Commit Graph

5179 Commits

Author SHA1 Message Date
Junio C Hamano
b7fb136bf6 Merge branch 'rs/rm-strbuf-optim' into maint
The use of strbuf in "git rm" to build filename to remove was a bit
suboptimal, which has been fixed.

* rs/rm-strbuf-optim:
  rm: reuse strbuf for all remove_dir_recursively() calls
2016-08-10 11:55:24 -07:00
Junio C Hamano
60b84ba26c Merge branch 'jk/parse-options-concat' into maint
Users of the parse_options_concat() API function need to allocate
extra slots in advance and fill them with OPT_END() when they want
to decide the set of supported options dynamically, which makes the
code error-prone and hard to read.  This has been corrected by tweaking
the API to allocate and return a new copy of "struct option" array.

* jk/parse-options-concat:
  parse_options: allocate a new array when concatenating
2016-08-10 11:55:24 -07:00
Stefan Beller
2201ee09b5 submodule--helper: use parallel processor correctly
When developing another patch series I had a temporary state in
which git-clone would segfault, when the call was prepared in
prepare_to_clone_next_submodule. This lead to the call failing,
i.e. in `update_clone_task_finished` the task was scheduled to be
tried again.  The second call to prepare_to_clone_next_submodule
would return 0, as the segfaulted clone did create the .git file
already, such that was not considered to need to be cloned again. I
was seeing the "BUG: ce was a submodule before?\n" message, which
was the correct behavior at the time as my local code was
buggy. When trying to debug this failure, I tried to use printing
messages into the strbuf that is passed around, but these messages
were never printed as the die(..) doesn't flush the `err` strbuf.

When implementing the die() in 665b35ecc (2016-06-09, "submodule--helper:
initial clone learns retry logic"), I considered this condition to be
a severe condition, which should lead to an immediate abort as we do not
trust ourselves any more. However the queued messages in `err` are valuable
so let's not toss them out by immediately dying, but a graceful return.

Another thing to note: The error message itself was misleading. A return
value of 0 doesn't indicate the passed in `ce` is not a submodule any more,
but just that we do not consider cloning it any more.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-09 14:54:16 -07:00
Johannes Sixt
dc29ddebb9 config.c: avoid duplicated global static variables
Repeating the definition of a static variable seems to be valid in C.
Nevertheless, it is bad style because it can cause confusion, definitely
when it becomes necessary to change the type.

d64ec16 (git config: reorganize to use parseopt, 2009-02-21) added two
static variables near the top of the file config.c without removing the
definitions of the two variables that occurs later in the file.

The two variables were needed earlier in the file in the newly
introduced parseopt structure. These references were removed later in
d0e08d6 (config: fix parsing of "git config --get-color some.key -1",
2014-11-20).

Remove the redundant, younger, definitions near the top of the file and
keep the original definitions that occur later.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-09 10:19:24 -07:00
Junio C Hamano
19492555ca Merge branch 'jk/parseopt-string-list'
A small memory leak in the command line parsing of "git blame"
has been plugged.

* jk/parseopt-string-list:
  blame: drop strdup of string literal
2016-08-08 14:48:44 -07:00
Junio C Hamano
940622bc8b Merge branch 'rs/use-strbuf-addstr'
* rs/use-strbuf-addstr:
  use strbuf_addstr() instead of strbuf_addf() with "%s"
  use strbuf_addstr() for adding constant strings to a strbuf
2016-08-08 14:48:41 -07:00
Junio C Hamano
78849622ec Merge branch 'jk/pack-objects-optim'
"git pack-objects" has a few options that tell it not to pack
objects found in certain packfiles, which require it to scan .idx
files of all available packs.  The codepaths involved in these
operations have been optimized for a common case of not having any
non-local pack and/or any .kept pack.

* jk/pack-objects-optim:
  pack-objects: compute local/ignore_pack_keep early
  pack-objects: break out of want_object loop early
  find_pack_entry: replace last_found_pack with MRU cache
  add generic most-recently-used list
  sha1_file: drop free_pack_by_name
  t/perf: add tests for many-pack scenarios
2016-08-08 14:48:39 -07:00
Junio C Hamano
768ededa9c Merge branch 'va/i18n'
More i18n marking.

* va/i18n:
  i18n: config: unfold error messages marked for translation
  i18n: notes: mark comment for translation
2016-08-08 14:48:38 -07:00
Junio C Hamano
0d3279962a Merge branch 'jk/reflog-date'
The reflog output format is documented better, and a new format
--date=unix to report the seconds-since-epoch (without timezone)
has been added.

* jk/reflog-date:
  date: clarify --date=raw description
  date: add "unix" format
  date: document and test "raw-local" mode
  doc/pretty-formats: explain shortening of %gd
  doc/pretty-formats: describe index/time formats for %gd
  doc/rev-list-options: explain "-g" output formats
  doc/rev-list-options: clarify "commit@{Nth}" for "-g" option
2016-08-08 14:48:37 -07:00
Junio C Hamano
a220e2bbbf Merge branch 'pb/commit-editmsg-path' into maint
Code clean-up.

* pb/commit-editmsg-path:
  builtin/commit.c: memoize git-path for COMMIT_EDITMSG
2016-08-08 14:21:38 -07:00
Junio C Hamano
aa9136a87e Merge branch 'nd/pack-ofs-4gb-limit' into maint
"git pack-objects" and "git index-pack" mostly operate with off_t
when talking about the offset of objects in a packfile, but there
were a handful of places that used "unsigned long" to hold that
value, leading to an unintended truncation.

* nd/pack-ofs-4gb-limit:
  fsck: use streaming interface for large blobs in pack
  pack-objects: do not truncate result in-pack object size on 32-bit systems
  index-pack: correct "offset" type in unpack_entry_data()
  index-pack: report correct bad object offsets even if they are large
  index-pack: correct "len" type in unpack_data()
  sha1_file.c: use type off_t* for object_info->disk_sizep
  pack-objects: pass length to check_pack_crc() without truncation
2016-08-08 14:21:36 -07:00
Junio C Hamano
327b3f8459 Merge branch 'mh/blame-worktree' into maint
"git blame file" allowed the lineage of lines in the uncommitted,
unadded contents of "file" to be inspected, but it refused when
"file" did not appear in the current commit.  When "file" was
created by renaming an existing file (but the change has not been
committed), this restriction was unnecessarily tight.

* mh/blame-worktree:
  t/t8003-blame-corner-cases.sh: Use here documents
  blame: allow to blame paths freshly added to the index
2016-08-08 14:21:32 -07:00
Johannes Schindelin
189d035e67 git mv: do not keep slash in git mv dir non-existing-dir/
When calling `rename("dir", "non-existing-dir/")` on Linux, it silently
succeeds, stripping the trailing slash of the second argument.

This is all good and dandy but this behavior disagrees with the specs at

http://pubs.opengroup.org/onlinepubs/9699919799/functions/rename.html

that state clearly regarding the 2nd parameter (called `new`):

	If the `new` argument does not resolve to an existing directory
	entry for a file of type directory and the `new` argument
	contains at least one non- <slash> character and ends with one
	or more trailing <slash> characters after all symbolic links
	have been processed, `rename()` shall fail.

Of course, we would like `git mv dir non-existing-dir/` to succeed (and
rename the directory "dir" to "non-existing-dir"). Let's be extra
careful to remove the trailing slash in that case.

This lets t7001-mv.sh pass in Bash on Windows.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-08 10:43:20 -07:00
René Scharfe
1eb47f167d use strbuf_add_unique_abbrev() for adding short hashes
Call strbuf_add_unique_abbrev() to add abbreviated hashes to strbufs
instead of taking detours through find_unique_abbrev() and its static
buffer.  This is shorter and a bit more efficient.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-06 10:33:57 -07:00
Jeff Hostetler
c4f596b98e status: support --porcelain[=<version>]
Update --porcelain argument to take optional version parameter
to allow multiple porcelain formats to be supported in the future.

The token "v1" is the default value and indicates the traditional
porcelain format.  (The token "1" is an alias for that.)

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-05 15:46:42 -07:00
Jeff Hostetler
be7e795efe status: cleanup API to wt_status_print
Refactor the API between builtin/commit.c and wt-status.[ch].

Hide the details of the various wt_*status_print() routines inside
wt-status.c behind a single (new) wt_status_print() routine.
Eliminate the switch statements from builtin/commit.c.
Allow details of new status formats to be isolated within wt-status.c

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-05 15:46:08 -07:00
Jeff Hostetler
957a0fe2e5 status: rename long-format print routines
Rename the various wt_status_print*() routines to be
wt_longstatus_print*() to make it clear that these
routines are only concerned with the normal/long
status output and reduce developer confusion as other
status formats are added in the future.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-05 15:45:47 -07:00
René Scharfe
02a8cfa478 merge: use string_list_split() in add_strategies()
Call string_list_split() for cutting a space separated list into pieces
instead of reimplementing it based on struct strategy.  The attr member
of struct strategy was not used split_merge_strategies(); it was a pure
string operation.  Also be nice and clean up once we're done splitting;
the old code didn't bother freeing any of the allocated memory.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-05 15:11:06 -07:00
René Scharfe
542aa25d97 use CHILD_PROCESS_INIT to initialize automatic variables
Initialize struct child_process variables already when they're defined.
That's shorter and saves a function call.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-05 15:10:05 -07:00
René Scharfe
bc57b9c0cc use strbuf_addstr() instead of strbuf_addf() with "%s"
Call strbuf_addstr() for adding a simple string to a strbuf instead of
using the heavier strbuf_addf().  This is shorter and documents the
intent more clearly.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-05 15:09:25 -07:00
Junio C Hamano
1e9a4856fb Merge branch 'sb/submodule-clone-retry'
An earlier tweak to make "submodule update" retry a failing clone
of submodules was buggy and caused segfault, which has been fixed.

* sb/submodule-clone-retry:
  submodule-helper: fix indexing in clone retry error reporting path
  git-submodule: forward exit code of git-submodule--helper more faithfully
2016-08-04 14:39:17 -07:00
Stefan Beller
4d7bc52b17 submodule update: allow '.' for branch value
Gerrit has a "superproject subscription" feature[1], that triggers a
commit in a superproject that is subscribed to its submodules.
Conceptually this Gerrit feature can be done on the client side with
Git via (except for raciness, error handling etc):

  while [ true ]; do
    git -C <superproject> submodule update --remote --force
    git -C <superproject> commit -a -m "Update submodules"
    git -C <superproject> push
  done

for each branch in the superproject. To ease the configuration in Gerrit
a special value of "." has been introduced for the submodule.<name>.branch
to mean the same branch as the superproject[2], such that you can create a
new branch on both superproject and the submodule and this feature
continues to work on that new branch.

Now we find projects in the wild with such a .gitmodules file.
The .gitmodules used in these Gerrit projects do not conform
to Gits understanding of how .gitmodules should look like.
This teaches Git to deal gracefully with this syntax as well.

The redefinition of "." does no harm to existing projects unaware of
this change, as "." is an invalid branch name in Git, so we do not
expect such projects to exist.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-03 16:13:22 -07:00
Stefan Beller
92bbe7ccf1 submodule--helper: add remote-branch helper
In a later patch we want to enhance the logic for the branch selection.
Rewrite the current logic to be in C, so we can directly use C when
we enhance the logic.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-03 16:11:35 -07:00
Junio C Hamano
a58a8e3f71 Merge branch 'jk/push-progress'
"git push" and "git clone" learned to give better progress meters
to the end user who is waiting on the terminal.

* jk/push-progress:
  receive-pack: send keepalives during quiet periods
  receive-pack: turn on connectivity progress
  receive-pack: relay connectivity errors to sideband
  receive-pack: turn on index-pack resolving progress
  index-pack: add flag for showing delta-resolution progress
  clone: use a real progress meter for connectivity check
  check_connected: add progress flag
  check_connected: relay errors to alternate descriptor
  check_everything_connected: use a struct with named options
  check_everything_connected: convert to argv_array
  rev-list: add optional progress reporting
  check_everything_connected: always pass --quiet to rev-list
2016-08-03 15:10:28 -07:00
Junio C Hamano
d083d420b7 Merge branch 'jk/parse-options-concat'
Users of the parse_options_concat() API function need to allocate
extra slots in advance and fill them with OPT_END() when they want
to decide the set of supported options dynamically, which makes the
code error-prone and hard to read.  This has been corrected by tweaking
the API to allocate and return a new copy of "struct option" array.

* jk/parse-options-concat:
  parse_options: allocate a new array when concatenating
2016-08-03 15:10:25 -07:00
Junio C Hamano
cf27c7996e Merge branch 'sb/push-options'
"git push" learned to accept and pass extra options to the
receiving end so that hooks can read and react to them.

* sb/push-options:
  add a test for push options
  push: accept push options
  receive-pack: implement advertising and receiving push options
  push options: {pre,post}-receive hook learns about push options
2016-08-03 15:10:24 -07:00
Junio C Hamano
a35031240b Merge branch 'os/no-verify-skips-commit-msg-too'
"git commit --help" said "--no-verify" is only about skipping the
pre-commit hook, and failed to say that it also skipped the
commit-msg hook.

* os/no-verify-skips-commit-msg-too:
  commit: describe that --no-verify skips the commit-msg hook in the help text
2016-08-03 15:10:22 -07:00
Eric Sunshine
aa59e14b23 blame: drop strdup of string literal
This strdup was added as part of 58dbfa2 (blame: accept
multiple -L ranges, 2013-08-06) to be consistent with
parse_opt_string_list(), which appends to the same list.

But as of 7a7a517 (parse_opt_string_list: stop allocating
new strings, 2016-06-13), we should stop using strdup (to
match parse_opt_string_list, and for all the reasons
described in that commit; namely that it does nothing useful
and causes us to leak the memory).

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-03 08:52:46 -07:00
Jeff King
4d9c7e6f45 am: reset cached ident date for each patch
When we compute the date to go in author/committer lines of
commits, or tagger lines of tags, we get the current date
once and then cache it for the rest of the program.  This is
a good thing in some cases, like "git commit", because it
means we do not racily assign different times to the
author/committer fields of a single commit object.

But as more programs start to make many commits in a single
process (e.g., the recently builtin "git am"), it means that
you'll get long strings of commits with identical committer
timestamps (whereas before, we invoked "git commit" many
times and got true timestamps).

This patch addresses it by letting callers reset the cached
time, which means they'll get a fresh time on their next
call to git_committer_info() or git_author_info(). The first
caller to do so is "git am", which resets the time for each
patch it applies.

It would be nice if we could just do this automatically
before filling in the ident fields of commit and tag
objects. Unfortunately, it's hard to know where a particular
logical operation begins and ends.

For instance, if commit_tree_extended() were to call
reset_ident_date() before getting the committer/author
ident, that doesn't quite work; sometimes the author info is
passed in to us as a parameter, and it may or may not have
come from a previous call to ident_default_date(). So in
those cases, we lose the property that the committer and the
author timestamp always match.

You could similarly put a date-reset at the end of
commit_tree_extended(). That actually works in the current
code base, but it's fragile. It makes the assumption that
after commit_tree_extended() finishes, the caller has no
other operations that would logically want to fall into the
same timestamp.

So instead we provide the tool to easily do the reset, and
let the high-level callers use it to annotate their own
logical operations.

There's no automated test, because it would be inherently
racy (it depends on whether the program takes multiple
seconds to run). But you can see the effect with something
like:

  # make a fake 100-patch series
  top=$(git rev-parse HEAD)
  bottom=$(git rev-list --first-parent -100 HEAD | tail -n 1)
  git log --format=email --reverse --first-parent \
          --binary -m -p $bottom..$top >patch

  # now apply it; this presumably takes multiple seconds
  git checkout --detach $bottom
  git am <patch

  # now count the number of distinct committer times;
  # prior to this patch, there would only be one, but
  # now we'd typically see several.
  git log --format=%ct $bottom.. | sort -u

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Helped-by: Paul Tan <pyokagan@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-01 14:49:41 -07:00
Stefan Beller
2de26ae1dc submodule--helper: fix usage string for relative-path
Internally we call the underscore version of relative_path, but externally
we present an API with no underscores.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-01 14:41:53 -07:00
René Scharfe
02962d3684 use strbuf_addstr() for adding constant strings to a strbuf
Replace uses of strbuf_addf() for adding strings with more lightweight
strbuf_addstr() calls.

In http-push.c it becomes easier to see what's going on without having
to verfiy that the definition of PROPFIND_ALL_REQUEST doesn't contain
any format specifiers.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-01 13:42:10 -07:00
Josh Triplett
6bc6b6c0dc format-patch: format.from gives the default for --from
This helps users who would prefer format-patch to default to --from,
and makes it easier to change the default in the future.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-01 13:13:02 -07:00
Johannes Schindelin
548009c0d5 merge_trees(): ensure that the callers release output buffer
The recursive merge machinery accumulates its output in an output
buffer, to be flushed at the end of merge_recursive(). At this point,
we forgot to release the output buffer.

When calling merge_trees() (i.e. the non-recursive part of the recursive
merge) directly, the output buffer is never flushed because the caller
may be merge_recursive() which wants to flush the output itself.

For the same reason, merge_trees() cannot release the output buffer: it
may still be needed.

Forgetting to release the output buffer did not matter much when running
git-checkout, or git-merge-recursive, because we exited after the
operation anyway. Ever since cherry-pick learned to pick a commit range,
however, this memory leak had the potential of becoming a problem.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-01 11:45:30 -07:00
Jeff King
56dfeb6263 pack-objects: compute local/ignore_pack_keep early
In want_object_in_pack(), we can exit early from our loop if
neither "local" nor "ignore_pack_keep" are set. If they are,
however, we must examine each pack to see if it has the
object and is non-local or has a ".keep".

It's quite common for there to be no non-local or .keep
packs at all, in which case we know ahead of time that
looking further will be pointless. We can pre-compute this
by simply iterating over the list of packs ahead of time,
and dropping the flags if there are no packs that could
match.

Another similar strategy would be to modify the loop in
want_object_in_pack() to notice that we have already found
the object once, and that we are looping only to check for
"local" and "keep" attributes. If a pack has neither of
those, we can skip the call to find_pack_entry_one(), which
is the expensive part of the loop.

This has two advantages:

  - it isn't all-or-nothing; we still get some improvement
    when there's a small number of kept or non-local packs,
    and a large number of non-kept local packs

  - it eliminates any possible race where we add new
    non-local or kept packs after our initial scan. In
    practice, I don't think this race matters; we already
    cache the packed_git information, so somebody who adds a
    new pack or .keep file after we've started will not be
    noticed at all, unless we happen to need to call
    reprepare_packed_git() because a lookup fails.

    In other words, we're already racy, and the race is not
    a big deal (losing the race means we might include an
    object in the pack that would not otherwise be, which is
    an acceptable outcome).

However, it also has a disadvantage: we still loop over the
rest of the packs for each object to check their flags. This
is much less expensive than doing the object lookup, but
still not free. So if we wanted to implement that strategy
to cover the non-all-or-nothing cases, we could do so in
addition to this one (so you get the most speedup in the
all-or-nothing case, and the best we can do in the other
cases). But given that the all-or-nothing case is likely the
most common, it is probably not worth the trouble, and we
can revisit this later if evidence points otherwise.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-29 11:05:08 -07:00
Jeff King
cd37996795 pack-objects: break out of want_object loop early
When pack-objects collects the list of objects to pack
(either from stdin, or via its internal rev-list), it
filters each one through want_object_in_pack().

This function loops through each existing packfile, looking
for the object. When we find it, we mark the pack/offset
combo for later use. However, we can't just return "yes, we
want it" at that point. If --honor-pack-keep is in effect,
we must keep looking to find it in _all_ packs, to make sure
none of them has a .keep. Likewise, if --local is in effect,
we must make sure it is not present in any non-local pack.

As a result, the sum effort of these calls is effectively
O(nr_objects * nr_packs). In an ordinary repository, we have
only a handful of packs, and this doesn't make a big
difference. But in pathological cases, it can slow the
counting phase to a crawl.

This patch notices the case that we have neither "--local"
nor "--honor-pack-keep" in effect and breaks out of the loop
early, after finding the first instance. Note that our worst
case is still "objects * packs" (i.e., we might find each
object in the last pack we look in), but in practice we will
often break out early. On an "average" repo, my git.git with
8 packs, this shows a modest 2% (a few dozen milliseconds)
improvement in the counting-objects phase of "git
pack-objects --all <foo" (hackily instrumented by sticking
exit(0) right after list_objects).

But in a much more pathological case, it makes a bigger
difference. I ran the same command on a real-world example
with ~9 million objects across 1300 packs. The counting time
dropped from 413s to 45s, an improvement of about 89%.

Note that this patch won't do anything by itself for a
normal "git gc", as it uses both --honor-pack-keep and
--local.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-29 11:05:07 -07:00
Junio C Hamano
c81d283675 Merge branch 'dk/blame-move-no-reason-for-1-line-context' into maint
"git blame -M" missed a single line that was moved within the file.

* dk/blame-move-no-reason-for-1-line-context:
  blame: require 0 context lines while finding moved lines with -M
2016-07-28 11:26:01 -07:00
Junio C Hamano
174f9e622f Merge branch 'js/am-call-theirs-theirs-in-fallback-3way' into maint
One part of "git am" had an oddball helper function that called
stuff from outside "his" as opposed to calling what we have "ours",
which was not gender-neutral and also inconsistent with the rest of
the system where outside stuff is usuall called "theirs" in
contrast to "ours".

* js/am-call-theirs-theirs-in-fallback-3way:
  am: counteract gender bias
2016-07-28 11:25:59 -07:00
Junio C Hamano
87be95b6f9 Merge branch 'ew/gc-auto-pack-limit-fix' into maint
"gc.autoPackLimit" when set to 1 should not trigger a repacking
when there is only one pack, but the code counted poorly and did
so.

* ew/gc-auto-pack-limit-fix:
  gc: fix off-by-one error with gc.autoPackLimit
2016-07-28 11:25:56 -07:00
Junio C Hamano
c12c71fabb Merge branch 'nd/ita-cleanup' into maint
Git does not know what the contents in the index should be for a
path added with "git add -N" yet, so "git grep --cached" should not
show hits (or show lack of hits, with -L) in such a path, but that
logic does not apply to "git grep", i.e. searching in the working
tree files.  But we did so by mistake, which has been corrected.

* nd/ita-cleanup:
  grep: fix grepping for "intent to add" files
  t7810-grep.sh: fix a whitespace inconsistency
  t7810-grep.sh: fix duplicated test name
2016-07-28 11:25:51 -07:00
Junio C Hamano
4966b58f3e Merge branch 'js/find-commit-subject-ignore-leading-blanks' into maint
A helper function that takes the contents of a commit object and
finds its subject line did not ignore leading blank lines, as is
commonly done by other codepaths.  Make it ignore leading blank
lines to match.

* js/find-commit-subject-ignore-leading-blanks:
  reset --hard: skip blank lines when reporting the commit subject
  sequencer: use skip_blank_lines() to find the commit subject
  commit -C: skip blank lines at the beginning of the message
  commit.c: make find_commit_subject() more robust
  pretty: make the skip_blank_lines() function public
2016-07-28 11:25:50 -07:00
Junio C Hamano
ad2d777604 Merge branch 'nd/pack-ofs-4gb-limit'
"git pack-objects" and "git index-pack" mostly operate with off_t
when talking about the offset of objects in a packfile, but there
were a handful of places that used "unsigned long" to hold that
value, leading to an unintended truncation.

* nd/pack-ofs-4gb-limit:
  fsck: use streaming interface for large blobs in pack
  pack-objects: do not truncate result in-pack object size on 32-bit systems
  index-pack: correct "offset" type in unpack_entry_data()
  index-pack: report correct bad object offsets even if they are large
  index-pack: correct "len" type in unpack_data()
  sha1_file.c: use type off_t* for object_info->disk_sizep
  pack-objects: pass length to check_pack_crc() without truncation
2016-07-28 10:34:42 -07:00
Junio C Hamano
2c608e0f7c Merge branch 'nd/worktree-lock'
"git worktree prune" protected worktrees that are marked as
"locked" by creating a file in a known location.  "git worktree"
command learned a dedicated command pair to create and remove such
a file, so that the users do not have to do this with editor.

* nd/worktree-lock:
  worktree.c: find_worktree() search by path suffix
  worktree: add "unlock" command
  worktree: add "lock" command
  worktree.c: add is_worktree_locked()
  worktree.c: add is_main_worktree()
  worktree.c: add find_worktree()
2016-07-28 10:34:42 -07:00
Vasco Almeida
996ee6d27a i18n: notes: mark comment for translation
Mark comment displayed when editing a note for translation.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-28 09:09:18 -07:00
Jeff King
642833db78 date: add "unix" format
We already have "--date=raw", which is a Unix epoch
timestamp plus a contextual timezone (either the author's or
the local). But one may not care about the timezone and just
want the epoch timestamp by itself. It's not hard to parse
the two apart, but if you are using a pretty-print format,
you may want git to show the "finished" form that the user
will see.

We can accomodate this by adding a new date format, "unix",
which is basically "raw" without the timezone.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-27 14:15:51 -07:00
Orgad Shaneh
def480fe99 commit: describe that --no-verify skips the commit-msg hook in the help text
This brings the short help in line with the documentation.

Signed-off-by: Orgad Shaneh <orgads@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-26 13:44:55 -07:00
Johannes Schindelin
3f338f43b0 am -3: use merge_recursive() directly again
Last October, we had to change this code to run `git merge-recursive`
in a child process: git-am wants to print some helpful advice when the
merge failed, but the code in question was not prepared to return, it
die()d instead.

We are finally at a point when the code *is* prepared to return errors,
and can avoid the child process again.

This reverts commit c63d4b2 (am -3: do not let failed merge from
completing the error codepath, 2015-10-09), with the necessary changes
to adjust for the fact that Git's source code changed in the meantime
(such as: using OIDs instead of hashes in the recursive merge, and a
removed gender bias).

Note: the code now calls merge_recursive_generic() again. Unlike
merge_trees() and merge_recursive(), this function returns 0 upon success,
as most of Git's functions. Therefore, the error value -1 naturally is
handled correctly, and we do not have to take care of it specifically.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-26 11:13:44 -07:00
Johannes Schindelin
f241ff0d0a prepare the builtins for a libified merge_recursive()
Previously, callers of merge_trees() or merge_recursive() expected that
code to die() with an error message. This used to be okay because we
called those commands from scripts, and had a chance to print out a
message in case the command failed fatally (read: with exit code 128).

As scripting incurs its own set of problems (portability, speed,
idiosyncrasies of different shells, limited data structures leading to
inefficient code), we are converting more and more of these scripts into
builtins, using library functions directly.

We already tried to use merge_recursive() directly in the builtin
git-am, for example. Unfortunately, we had to roll it back temporarily
because some of the code in merge-recursive.c still deemed it okay to
call die(), when the builtin am code really wanted to print out a useful
advice after the merge failed fatally. In the next commits, we want to
fix that.

The code touched by this commit expected merge_trees() to die() with
some useful message when there is an error condition, but merge_trees()
is going to be improved by converting all die() calls to return error()
instead (i.e. return value -1 after printing out the message as before),
so that the caller can react more flexibly.

This is a step to prepare for the version of merge_trees() that no
longer dies,  even if we just imitate the previous behavior by calling
exit(128): this is what callers of e.g. `git merge` have come to expect.

Note that the callers of the sequencer (revert and cherry-pick) already
fail fast even for the return value -1; The only difference is that they
now get a chance to say "<command> failed".

A caller of merge_trees() might want handle error messages themselves
(or even suppress them). As this patch is already complex enough, we
leave that change for a later patch.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-26 11:13:44 -07:00
Johannes Schindelin
ef1177d18e die("bug"): report bugs consistently
The vast majority of error messages in Git's source code which report a
bug use the convention to prefix the message with "BUG:".

As part of cleaning up merge-recursive to stop die()ing except in case of
detected bugs, let's just make the remainder of the bug reports consistent
with the de facto rule.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-26 11:13:44 -07:00
Junio C Hamano
37e9c7f5e1 Merge branch 'mh/blame-worktree'
"git blame file" allowed the lineage of lines in the uncommitted,
unadded contents of "file" to be inspected, but it refused when
"file" did not appear in the current commit.  When "file" was
created by renaming an existing file (but the change has not been
committed), this restriction was unnecessarily tight.

* mh/blame-worktree:
  t/t8003-blame-corner-cases.sh: Use here documents
  blame: allow to blame paths freshly added to the index
2016-07-25 14:13:45 -07:00
Junio C Hamano
9db3979784 Merge branch 'js/fsck-name-object'
When "git fsck" reports a broken link (e.g. a tree object contains
a blob that does not exist), both containing object and the object
that is referred to were reported with their 40-hex object names.
The command learned the "--name-objects" option to show the path to
the containing object from existing refs (e.g. "HEAD~24^2:file.txt").

* js/fsck-name-object:
  fsck: optionally show more helpful info for broken links
  fsck: give the error function a chance to see the fsck_options
  fsck_walk(): optionally name objects on the go
  fsck: refactor how to describe objects
2016-07-25 14:13:44 -07:00
Junio C Hamano
03f25e85d9 Merge branch 'rs/rm-strbuf-optim'
The use of strbuf in "git rm" to build filename to remove was a bit
suboptimal, which has been fixed.

* rs/rm-strbuf-optim:
  rm: reuse strbuf for all remove_dir_recursively() calls
2016-07-25 14:13:36 -07:00
Junio C Hamano
87492cb24d Merge branch 'mh/ref-iterators'
The API to iterate over all the refs (i.e. for_each_ref(), etc.)
has been revamped.

* mh/ref-iterators:
  for_each_reflog(): reimplement using iterators
  dir_iterator: new API for iterating over a directory tree
  for_each_reflog(): don't abort for bad references
  do_for_each_ref(): reimplement using reference iteration
  refs: introduce an iterator interface
  ref_resolves_to_object(): new function
  entry_resolves_to_object(): rename function from ref_resolves_to_object()
  get_ref_cache(): only create an instance if there is a submodule
  remote rm: handle symbolic refs correctly
  delete_refs(): add a flags argument
  refs: use name "prefix" consistently
  do_for_each_ref(): move docstring to the header file
  refs: remove unnecessary "extern" keywords
2016-07-25 14:13:33 -07:00
Junio C Hamano
6b34ce90a7 Merge branch 'mh/split-under-lock'
Further preparatory work on the refs API before the pluggable
backend series can land.

* mh/split-under-lock: (33 commits)
  lock_ref_sha1_basic(): only handle REF_NODEREF mode
  commit_ref_update(): remove the flags parameter
  lock_ref_for_update(): don't resolve symrefs
  lock_ref_for_update(): don't re-read non-symbolic references
  refs: resolve symbolic refs first
  ref_transaction_update(): check refname_is_safe() at a minimum
  unlock_ref(): move definition higher in the file
  lock_ref_for_update(): new function
  add_update(): initialize the whole ref_update
  verify_refname_available(): adjust constness in declaration
  refs: don't dereference on rename
  refs: allow log-only updates
  delete_branches(): use resolve_refdup()
  ref_transaction_commit(): correctly report close_ref() failure
  ref_transaction_create(): disallow recursive pruning
  refs: make error messages more consistent
  lock_ref_sha1_basic(): remove unneeded local variable
  read_raw_ref(): move docstring to header file
  read_raw_ref(): improve docstring
  read_raw_ref(): rename symref argument to referent
  ...
2016-07-25 14:13:32 -07:00
Johannes Sixt
eb09121b74 submodule-helper: fix indexing in clone retry error reporting path
'git submodule--helper update-clone' has logic to retry failed clones
a second time. For this purpose, there is a list of submodules to clone,
and a second list that is filled with the submodules to retry. Within
these lists, the submodules are identified by an index as if both lists
were just appended.

This works nicely except when the second clone attempt fails as well. To
report an error, the identifying index must be adjusted by an offset so
that it can be used as an index into the second list. However, the
calculation uses the logical total length of the lists so that the result
always points one past the end of the second list.

Pick the correct index.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Acked-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-22 13:43:53 -07:00
Jeff King
83558686ce receive-pack: send keepalives during quiet periods
After a client has sent us the complete pack, we may spend
some time processing the data and running hooks. If the
client asked us to be quiet, receive-pack won't send any
progress data during the index-pack or connectivity-check
steps. And hooks may or may not produce their own progress
output. In these cases, the network connection is totally
silent from both ends.

Git itself doesn't care about this (it will wait forever),
but other parts of the system (e.g., firewalls,
load-balancers, etc) might hang up the connection. So we'd
like to send some sort of keepalive to let the network and
the client side know that we're still alive and processing.

We can use the same trick we did in 05e9515 (upload-pack:
send keepalive packets during pack computation, 2013-09-08).
Namely, we will send an empty sideband data packet every `N`
seconds that we do not relay any stderr data over the
sideband channel. As with 05e9515, this means that we won't
bother sending keepalives when there's actual progress data,
but will kick in when it has been disabled (or if there is a
lull in the progress data).

The concept is simple, but the details are subtle enough
that they need discussing here.

Before the client sends us the pack, we don't want to do any
keepalives. We'll have sent our ref advertisement, and we're
waiting for them to send us the pack (and tell us that they
support sidebands at all).

While we're receiving the pack from the client (or waiting
for it to start), there's no need for keepalives; it's up to
them to keep the connection active by sending data.
Moreover, it would be wrong for us to do so. When we are the
server in the smart-http protocol, we must treat our
connection as half-duplex. So any keepalives we send while
receiving the pack would potentially be buffered by the
webserver. Not only does this make them useless (since they
would not be delivered in a timely manner), but it could
actually cause a deadlock if we fill up the buffer with
keepalives. (It wouldn't be wrong to send keepalives in this
phase for a full-duplex connection like ssh; it's simply
pointless, as it is the client's responsibility to speak).

As soon as we've gotten all of the pack data, then the
client is waiting for us to speak, and we should start
keepalives immediately. From here until the end of the
connection, we send one any time we are not otherwise
sending data.

But there's a catch. Receive-pack doesn't know the moment
we've gotten all the data. It passes the descriptor to
index-pack, who reads all of the data, and then starts
resolving the deltas. We have to communicate that back.

To make this work, we instruct the sideband muxer to enable
keepalives in three phases:

  1. In the beginning, not at all.

  2. While reading from index-pack, wait for a signal
     indicating end-of-input, and then start them.

  3. Afterwards, always.

The signal from index-pack in phase 2 has to come over the
stderr channel which the muxer is reading. We can't use an
extra pipe because the portable run-command interface only
gives us stderr and stdout.

Stdout is already used to pass the .keep filename back to
receive-pack. We could also send a signal there, but then we
would find out about it in the main thread. And the
keepalive needs to be done by the async muxer thread (since
it's the one writing sideband data back to the client). And
we can't reliably signal the async thread from the main
thread, because the async code sometimes uses threads and
sometimes uses forked processes.

Therefore the signal must come over the stderr channel,
where it may be interspersed with other random
human-readable messages from index-pack. This patch makes
the signal a single NUL byte.  This is easy to parse, should
not appear in any normal stderr output, and we don't have to
worry about any timing issues (like seeing half the signal
bytes in one read(), and half in a subsequent one).

This is a bit ugly, but it's simple to code and should work
reliably.

Another option would be to stop using an async thread for
muxing entirely, and just poll() both stderr and stdout of
index-pack from the main thread. This would work for
index-pack (because we aren't doing anything useful in the
main thread while it runs anyway). But it would make the
connectivity check and the hook muxers much more
complicated, as they need to simultaneously feed the
sub-programs while reading their stderr.

The index-pack phase is the only one that needs this
signaling, so it could simply behave differently than the
other two. That would mean having two separate
implementations of copy_to_sideband (and the keepalive
code), though. And it still doesn't get rid of the
signaling; it just means we can write a nicer message like
"END_OF_INPUT" or something on stdout, since we don't have
to worry about separating it from the stderr cruft.

One final note: this signaling trick is only done with
index-pack, not with unpack-objects. There's no point in
doing it for the latter, because by definition it only kicks
in for a small number of objects, where keepalives are not
as useful (and this conveniently lets us avoid duplicating
the implementation).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:11:11 -07:00
Jeff King
6b4cd2f827 receive-pack: turn on connectivity progress
When we receive a large push, the server side of the
connection may spend a lot of time (30s or more for a full
push of linux.git) walking the object graph without
producing any output. Let's give the user some indication
that we're actually working.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:11:11 -07:00
Jeff King
d415092ac4 receive-pack: relay connectivity errors to sideband
If the connectivity check encounters a problem when
receiving a push, the error output goes to receive-pack's
stderr, whose destination depends on the protocol used
(ssh tends to send it to the user, though without a "remote"
prefix; http will generally eat it in the server's error
log).

The information should consistently go back to the user, as
there is a reasonable chance their client is buggy and
generating a bad pack.

We can do so by muxing it over the sideband as we do with
other sub-process stderr.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:11:10 -07:00
Jeff King
d06303bb9a receive-pack: turn on index-pack resolving progress
When we receive a large push, the server side may have to
spend a lot of CPU processing the incoming packfile.

During the "receiving" phase, we are typically network
bound, and the client is writing its own progress to the
user. But during the delta resolution phase, we may spend
minutes (e.g., for a full push of linux.git) without
making any indication to the user that the connection has
not hung.

Let's ask index-pack to produce progress output for this
phase (unless the client asked us to be quiet, of course).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:11:10 -07:00
Jeff King
e376f17fd1 index-pack: add flag for showing delta-resolution progress
The index-pack command has two progress meters: one for
"receiving objects", and one for "resolving deltas". You get
neither by default, or both with "-v".

But for a push through receive-pack, we would want only the
"resolving deltas" phase, _not_ the "receiving objects"
progress. There are two reasons for this.

One is simply that existing clients are already printing
"writing objects" progress at the same time.  Arguably
"receiving" from the far end is more useful, because it
tells you what has actually gotten there, as opposed to what
might be stuck in a buffer somewhere between the client and
server. But that would require a protocol extension to tell
clients not to print their progress. Possible, but
complexity for little gain.

The second reason is much more important. In a full-duplex
connection like git-over-ssh, we can print progress while
the pack is incoming, and it will immediately get to the
client. But for a half-duplex connection like git-over-http,
we should not say anything until we have received the full
request.  Anything we write is subject to being stuck in a
buffer by the webserver.  Worse, we can end up in a deadlock
if that buffer fills up.

So our best bet is to avoid writing anything that isn't a
small fixed size until we've received the full pack.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:11:10 -07:00
Jeff King
38e590ea12 clone: use a real progress meter for connectivity check
Because the initial connectivity check for a cloned
repository can be slow, 0781aa4 (clone: let the user know
when check_everything_connected is run, 2013-05-03) added a
"fake" progress meter; we simply say "Checking connectivity"
when it starts, and "done" at the end, with nothing between.

Since check_connected() now knows how to do a real progress
meter, we can drop our fake one and use that one instead.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:11:09 -07:00
Jeff King
7043c7071c check_everything_connected: use a struct with named options
The number of variants of check_everything_connected has
grown over the years, so that the "real" function takes
several possibly-zero, possibly-NULL arguments. We hid the
complexity behind some wrapper functions, but this doesn't
scale well when we want to add new options.

If we add more wrapper variants to handle the new options,
then we can get a combinatorial explosion when those options
might be used together (right now nobody wants to use both
"shallow" and "transport" together, so we get by with just a
few wrappers).

If instead we add new parameters to each function, each of
which can have a default value, then callers who want the
defaults end up with confusing invocations like:

  check_everything_connected(fn, 0, data, -1, 0, NULL);

where it is unclear which parameter is which (and every
caller needs updated when we add new options).

Instead, let's add a struct to hold all of the optional
parameters. This is a little more verbose for the callers
(who have to declare the struct and fill it in), but it
makes their code much easier to follow, because every option
is named as it is set (and unused options do not have to be
mentioned at all).

Note that we could also stick the iteration function and its
callback data into the option struct, too. But since those
are required for each call, by avoiding doing so, we can let
very simple callers just pass "NULL" for the options and not
worry about the struct at all.

While we're touching each site, let's also rename the
function to check_connected(). The existing name was quite
long, and not all of the wrappers even used the full name.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:10:53 -07:00
Jeff King
434ea3cdad rev-list: add optional progress reporting
It's easy to ask rev-list to do a traversal that may takes
many seconds (e.g., by calling "--objects --all"). In theory
you can monitor its progress by the output you get to
stdout, but this isn't always easy.

Some operations, like "--count", don't make any output until
the end.

And some callers, like check_everything_connected(), are
using it just for the error-checking of the traversal, and
throw away stdout entirely.

This patch adds a "--progress" option which can be used to
give some eye-candy for a user waiting for a long traversal.
This is just a rev-list option and not a regular traversal
option, because it needs cooperation from the callbacks in
builtin/rev-list.c to do the actual count.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-20 12:10:44 -07:00
Junio C Hamano
3d55eea805 Merge branch 'js/am-call-theirs-theirs-in-fallback-3way'
One part of "git am" had an oddball helper function that called
stuff from outside "his" as opposed to calling what we have "ours",
which was not gender-neutral and also inconsistent with the rest of
the system where outside stuff is usuall called "theirs" in
contrast to "ours".

* js/am-call-theirs-theirs-in-fallback-3way:
  am: counteract gender bias
2016-07-19 13:22:23 -07:00
Junio C Hamano
2b6456b808 Merge branch 'jk/write-file'
General code clean-up around a helper function to write a
single-liner to a file.

* jk/write-file:
  branch: use write_file_buf instead of write_file
  use write_file_buf where applicable
  write_file: add format attribute
  write_file: add pointer+len variant
  write_file: use xopen
  write_file: drop "gently" form
  branch: use non-gentle write_file for branch description
  am: ignore return value of write_file()
  config: fix bogus fd check when setting up default config
2016-07-19 13:22:23 -07:00
Junio C Hamano
96e08010ee Merge branch 'jk/printf-format'
Code clean-up to avoid using a variable string that compilers may
feel untrustable as printf-style format given to write_file()
helper function.

* jk/printf-format:
  commit.c: remove print_commit_list()
  avoid using sha1_to_hex output as printf format
  walker: let walker_say take arbitrary formats
2016-07-19 13:22:22 -07:00
Junio C Hamano
566fdaf611 Merge branch 'nd/fetch-ref-summary'
Improve the look of the way "git fetch" reports what happened to
each ref that was fetched.

* nd/fetch-ref-summary:
  fetch: reduce duplicate in ref update status lines with placeholder
  fetch: align all "remote -> local" output
  fetch: change flag code for displaying tag update and deleted ref
  fetch: refactor ref update status formatting code
  git-fetch.txt: document fetch output
2016-07-19 13:22:21 -07:00
Junio C Hamano
a63d31b4d3 Merge branch 'bc/cocci'
Conversion from unsigned char sha1[20] to struct object_id
continues.

* bc/cocci:
  diff: convert prep_temp_blob() to struct object_id
  merge-recursive: convert merge_recursive_generic() to object_id
  merge-recursive: convert leaf functions to use struct object_id
  merge-recursive: convert struct merge_file_info to object_id
  merge-recursive: convert struct stage_data to use object_id
  diff: rename struct diff_filespec's sha1_valid member
  diff: convert struct diff_filespec to struct object_id
  coccinelle: apply object_id Coccinelle transformations
  coccinelle: convert hashcpy() with null_sha1 to hashclr()
  contrib/coccinelle: add basic Coccinelle transforms
  hex: add oid_to_hex_r()
2016-07-19 13:22:16 -07:00
Junio C Hamano
63641fb071 Merge branch 'js/log-to-diffopt-file'
The commands in the "log/diff" family have had an FILE* pointer in the
data structure they pass around for a long time, but some codepaths
used to always write to the standard output.  As a preparatory step
to make "git format-patch" available to the internal callers, these
codepaths have been updated to consistently write into that FILE*
instead.

* js/log-to-diffopt-file:
  mingw: fix the shortlog --output=<file> test
  diff: do not color output when --color=auto and --output=<file> is given
  t4211: ensure that log respects --output=<file>
  shortlog: respect the --output=<file> setting
  format-patch: use stdout directly
  format-patch: avoid freopen()
  format-patch: explicitly switch off color when writing to files
  shortlog: support outputting to streams other than stdout
  graph: respect the diffopt.file setting
  line-log: respect diffopt's configured output file stream
  log-tree: respect diffopt's configured output file stream
  log: prepare log/log-tree to reuse the diffopt.close_file attribute
2016-07-19 13:22:15 -07:00
Junio C Hamano
7418a6b1a0 Merge branch 'dk/blame-move-no-reason-for-1-line-context'
"git blame -M" missed a single line that was moved within the file.

* dk/blame-move-no-reason-for-1-line-context:
  blame: require 0 context lines while finding moved lines with -M
2016-07-19 13:22:13 -07:00
Johannes Schindelin
90cf590f53 fsck: optionally show more helpful info for broken links
When reporting broken links between commits/trees/blobs, it would be
quite helpful at times if the user would be told how the object is
supposed to be reachable.

With the new --name-objects option, git-fsck will try to do exactly
that: name the objects in a way that shows how they are reachable.

For example, when some reflog got corrupted and a blob is missing that
should not be, the user might want to remove the corresponding reflog
entry. This option helps them find that entry: `git fsck` will now
report something like this:

	broken link from    tree b5eb6ff...  (refs/stash@{<date>}~37:)
	              to    blob ec5cf80...

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-18 15:15:59 -07:00
Mike Hommey
3b75ee9327 blame: allow to blame paths freshly added to the index
When blaming files, changes in the work tree are taken into account
and displayed as being "Not Committed Yet".

However, when blaming a file that is not known to the current HEAD,
git blame fails with `no such path 'foo' in HEAD`, even when the file
was git add'ed.

Allowing such a blame is useful when the new file added to the index
(not yet committed) was created by renaming an existing file.  It
also is useful when the new file was created from pieces already in
HEAD, moved or copied from other files and blaming with copy
detection (i.e. "-C").

Signed-off-by: Mike Hommey <mh@glandium.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-18 14:33:38 -07:00
Johannes Schindelin
1cd772cc41 fsck: give the error function a chance to see the fsck_options
We will need this in the next commit, where fsck will be taught to
optionally name the objects when reporting issues about them.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-18 11:35:00 -07:00
Johannes Schindelin
993a21b0a0 fsck: refactor how to describe objects
In many places, we refer to objects via their SHA-1s. Let's abstract
that into a function.

For the moment, it does nothing else than what we did previously: print
out the 40-digit hex string. But that will change over the course of the
next patches.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-18 11:35:00 -07:00
Stefan Beller
f6a4e61fbb push: accept push options
This implements everything that is required on the client side to make use
of push options from the porcelain push command.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-14 15:50:41 -07:00
Stefan Beller
c714e45f87 receive-pack: implement advertising and receiving push options
The pre/post receive hook may be interested in more information from the
user. This information can be transmitted when both client and server
support the "push-options" capability, which when used is a phase directly
after update commands ended by a flush pkt.

Similar to the atomic option, the server capability can be disabled via
the `receive.advertisePushOptions` config variable. While documenting
this, fix a nit in the `receive.advertiseAtomic` wording.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-14 15:50:40 -07:00
Stefan Beller
77a9745d19 push options: {pre,post}-receive hook learns about push options
The environment variable GIT_PUSH_OPTION_COUNT is set to the number of
push options sent, and GIT_PUSH_OPTION_{0,1,..} is set to the transmitted
option.

The code is not executed as the push options are set to NULL, nor is the
new capability advertised.

There was some discussion back and forth how to present these push options
to the user as there are some ways to do it:

Keep all options in one environment variable
============================================
+ easiest way to implement in Git
- This would make things hard to parse correctly in the hook.

Put the options in files instead,
filenames are in GIT_PUSH_OPTION_FILES
======================================
+ After a discussion about environment variables and shells, we may not
  want to put user data into an environment variable (see [1] for example).
+ We could transmit binaries, i.e. we're not bound to C strings as
  we are when using environment variables to the user.
+ Maybe easier to parse than constructing environment variable names
  GIT_PUSH_OPTION_{0,1,..} yourself
- cleanup of the temporary files is hard to do reliably
- we have race conditions with multiple clients pushing, hence we'd need
  to use mkstemp. That's not too bad, but still.

Use environment variables, but restrict to key/value pairs
==========================================================
(When the user pushes a push option `foo=bar`, we'd
GIT_PUSH_OPTION_foo=bar)
+ very easy to parse for a simple model of push options
- it's not sufficient for more elaborate models, e.g.
  it doesn't allow doubles (e.g. cc=reviewer@email)

Present the options in different environment variables
======================================================
(This is implemented)
* harder to parse as a user, but we have a sample hook for that.
- doesn't allow binary files
+ allows the same option twice, i.e. is not restrictive about
  options, except for binary files.
+ doesn't clutter a remote directory with (possibly stale)
  temporary files

As we first want to focus on getting simple strings to work
reliably, we go with the last option for now. If we want to
do transmission of binaries later, we can just attach a
'side-channel', e.g. "any push option that contains a '\0' is
put into a file instead of the environment variable and we'd
have new GIT_PUSH_OPTION_FILES, GIT_PUSH_OPTION_FILENAME_{0,1,..}
environment variables".

[1] 'Shellshock' https://lwn.net/Articles/614218/

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-14 15:50:17 -07:00
Junio C Hamano
42bd66816b Merge branch 'nd/ita-cleanup'
Git does not know what the contents in the index should be for a
path added with "git add -N" yet, so "git grep --cached" should not
show hits (or show lack of hits, with -L) in such a path, but that
logic does not apply to "git grep", i.e. searching in the working
tree files.  But we did so by mistake, which has been corrected.

* nd/ita-cleanup:
  grep: fix grepping for "intent to add" files
  t7810-grep.sh: fix a whitespace inconsistency
  t7810-grep.sh: fix duplicated test name
2016-07-13 11:24:18 -07:00
Junio C Hamano
97865e83c7 Merge branch 'ew/gc-auto-pack-limit-fix'
"gc.autoPackLimit" when set to 1 should not trigger a repacking
when there is only one pack, but the code counted poorly and did
so.

* ew/gc-auto-pack-limit-fix:
  gc: fix off-by-one error with gc.autoPackLimit
2016-07-13 11:24:12 -07:00
Junio C Hamano
2703572b3a Merge branch 'va/i18n-even-more'
More markings of messages for i18n, with updates to various tests
to pass GETTEXT_POISON tests.

One patch from the original submission dropped due to conflicts
with jk/upload-pack-hook, which is still in flux.

* va/i18n-even-more: (38 commits)
  t5541: become resilient to GETTEXT_POISON
  i18n: branch: mark comment when editing branch description for translation
  i18n: unmark die messages for translation
  i18n: submodule: escape shell variables inside eval_gettext
  i18n: submodule: join strings marked for translation
  i18n: init-db: join message pieces
  i18n: remote: allow translations to reorder message
  i18n: remote: mark URL fallback text for translation
  i18n: standardise messages
  i18n: sequencer: add period to error message
  i18n: merge: change command option help to lowercase
  i18n: merge: mark messages for translation
  i18n: notes: mark options for translation
  i18n: notes: mark strings for translation
  i18n: transport-helper.c: change N_() call to _()
  i18n: bisect: mark strings for translation
  t5523: use test_i18ngrep for negation
  t4153: fix negated test_i18ngrep call
  t9003: become resilient to GETTEXT_POISON
  tests: unpack-trees: update to use test_i18n* functions
  ...
2016-07-13 11:24:10 -07:00
Nguyễn Thái Ngọc Duy
ec9d224903 fsck: use streaming interface for large blobs in pack
For blobs, we want to make sure the on-disk data is not corrupted
(i.e. can be inflated and produce the expected SHA-1). Blob content is
opaque, there's nothing else inside to check for.

For really large blobs, we may want to avoid unpacking the entire blob
in memory, just to check whether it produces the same SHA-1. On 32-bit
systems, we may not have enough virtual address space for such memory
allocation. And even on 64-bit where it's not a problem, allocating a
lot more memory could result in kicking other parts of systems to swap
file, generating lots of I/O and slowing everything down.

For this particular operation, not unpacking the blob and letting
check_sha1_signature, which supports streaming interface, do the job
is sufficient. check_sha1_signature() is not shown in the diff,
unfortunately. But if will be called when "data_valid && !data" is
false.

We will call the callback function "fn" with NULL as "data". The only
callback of this function is fsck_obj_buffer(), which does not touch
"data" at all if it's a blob.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-13 09:15:29 -07:00
Nguyễn Thái Ngọc Duy
af92a645d3 pack-objects: do not truncate result in-pack object size on 32-bit systems
A typical diff will not show what's going on and you need to see full
functions. The core code is like this, at the end of of write_one()

	e->idx.offset = *offset;
	size = write_object(f, e, *offset);
	if (!size) {
		e->idx.offset = recursing;
		return WRITE_ONE_BREAK;
	}
	written_list[nr_written++] = &e->idx;

	/* make sure off_t is sufficiently large not to wrap */
	if (signed_add_overflows(*offset, size))
		die("pack too large for current definition of off_t");
	*offset += size;

Here we can see that the in-pack object size is returned by
write_object (or indirectly by write_reuse_object). And it's used to
calculate object offsets, which end up in the pack index file,
generated at the end.

If "size" overflows (on 32-bit sytems, unsigned long is 32-bit while
off_t can be 64-bit), we got wrong offsets and produce incorrect .idx
file, which may make it look like the .pack file is corrupted.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-13 09:15:17 -07:00
Nguyễn Thái Ngọc Duy
da49a7da3a index-pack: correct "offset" type in unpack_entry_data()
unpack_entry_data() receives an off_t value from unpack_raw_entry(),
which could be larger than unsigned long on 32-bit systems with large
file support. Correct the type so truncation does not happen. This
only affects bad object reporting though.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-13 09:15:08 -07:00
Nguyễn Thái Ngọc Duy
fd3e67474c index-pack: report correct bad object offsets even if they are large
Use the right type for offsets in this case, off_t, which makes a
difference on 32-bit systems with large file support, and change
formatting code accordingly.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-13 09:14:47 -07:00
Nguyễn Thái Ngọc Duy
7171a0b0cf index-pack: correct "len" type in unpack_data()
On 32-bit systems with large file support, one entry could be larger
than 4GB and overflow "len". Correct it so we can unpack a full entry.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-13 09:14:38 -07:00
Nguyễn Thái Ngọc Duy
166df26f28 sha1_file.c: use type off_t* for object_info->disk_sizep
This field, filled by sha1_object_info() contains the on-disk size of
an object, which could go over 4GB limit of unsigned long on 32-bit
systems. Use off_t for it instead and update all callers.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-13 09:14:20 -07:00
René Scharfe
deb8e15a19 rm: reuse strbuf for all remove_dir_recursively() calls
Don't throw the memory allocated for remove_dir_recursively() away after
a single call, use it for the other entries as well instead.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-12 15:09:21 -07:00
Nguyễn Thái Ngọc Duy
211c61c6cf pack-objects: pass length to check_pack_crc() without truncation
On 32 bit systems with large file support, unsigned long is 32-bit
while the two offsets in the subtraction expression (pack-objects has
the exact same expression as in sha1_file.c but not shown in diff) are
in 64-bit. If an in-pack object is larger than 2^32 len/datalen is
truncated and we get a misleading "error: bad packed object CRC for
..." as a result.

Use off_t for len and datalen. check_pack_crc() already accepts this
argument as off_t and can deal with 4+ GB.

Noticed-by: Christoph Michelbach <michelbach94@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-12 10:14:29 -07:00
Junio C Hamano
1a88ca99db Merge branch 'sb/clone-shallow-passthru' into maint
Fix an unintended regression in v2.9 that breaks "clone --depth"
that recurses down to submodules by forcing the submodules to also
be cloned shallowly, which many server instances that host upstream
of the submodules are not prepared for.

* sb/clone-shallow-passthru:
  clone: do not let --depth imply --shallow-submodules
2016-07-11 10:44:12 -07:00
Junio C Hamano
1401236842 Merge branch 'km/fetch-do-not-free-remote-name' into maint
The ownership rule for the piece of memory that hold references to
be fetched in "git fetch" was screwy, which has been cleaned up.

* km/fetch-do-not-free-remote-name:
  builtin/fetch.c: don't free remote->name after fetch
2016-07-11 10:44:10 -07:00
Junio C Hamano
369dc4081c Merge branch 'mj/log-show-signature-conf'
"git log" learns log.showSignature configuration variable, and a
command line option "--no-show-signature" to countermand it.

* mj/log-show-signature-conf:
  log: add log.showSignature configuration variable
  log: add "--no-show-signature" command line option
  t4202: refactor test
2016-07-11 10:31:08 -07:00
Junio C Hamano
62e5e83f8d Merge branch 'js/find-commit-subject-ignore-leading-blanks'
A helper function that takes the contents of a commit object and
finds its subject line did not ignore leading blank lines, as is
commonly done by other codepaths.  Make it ignore leading blank
lines to match.

* js/find-commit-subject-ignore-leading-blanks:
  reset --hard: skip blank lines when reporting the commit subject
  sequencer: use skip_blank_lines() to find the commit subject
  commit -C: skip blank lines at the beginning of the message
  commit.c: make find_commit_subject() more robust
  pretty: make the skip_blank_lines() function public
2016-07-11 10:31:08 -07:00
Junio C Hamano
bb2d8a817d Merge branch 'sb/submodule-clone-retry'
"git submodule update" that drives many "git clone" could
eventually hit flaky servers/network conditions on one of the
submodules; the command learned to retry the attempt.

* sb/submodule-clone-retry:
  submodule update: continue when a clone fails
  submodule--helper: initial clone learns retry logic
2016-07-11 10:31:04 -07:00
Nguyễn Thái Ngọc Duy
6d308627ca worktree: add "unlock" command
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 15:31:04 -07:00
Nguyễn Thái Ngọc Duy
58142c09a4 worktree: add "lock" command
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 15:31:04 -07:00
Johannes Schindelin
715a51bcaf am: counteract gender bias
Since 47f0b6d5 (Fall back to three-way merge when applying a patch.,
2005-10-06), i.e. for almost 11 years already, we used a male form
to describe "the other tree".

While it was unintended, this gave the erroneous impression as if
the Git developers thought of users as male, and were unaware of the
important role in software development played by female actors such
as Ada Lovelace, Grace Hopper and Margaret Hamilton. In fact, the
first professional software developers were all female.

Let's change those unfortunate references to the gender neutral
"their tree".  Doing so also makes the fallback_merge_recursive(),
which is an oddball, more in line with the other parts of the system
where we contrast what we have vs what we obtain from others by
saying "ours" vs "theirs".  This inconsistency was also unintended.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 14:39:48 -07:00
Jeff King
dabd35f4cd avoid using sha1_to_hex output as printf format
We know that it should not contain any percent-signs, but
it's a good habit not to feed non-literals to printf
formatters.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 10:11:27 -07:00
Jeff King
7eb6e10c9d branch: use write_file_buf instead of write_file
If we already have a strbuf, then using write_file_buf is a
little nicer to read (no wondering whether "%s" will eat
your NULs), and it's more efficient (no extra formatting
step).

We don't care about the newline magic of write_file(), as we
have our own multi-line content.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 09:47:29 -07:00
Jeff King
e78d5d4993 use write_file_buf where applicable
There are several places where we open a file, write some
content from a strbuf, and close it. These can be simplified
with write_file_buf(). As a bonus, many of these did not
catch write problems at close() time.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 09:47:29 -07:00
Jeff King
3d75bba28d branch: use non-gentle write_file for branch description
We use write_file_gently() to do this job currently.
However, if we see an error, we simply complain via
error_errno() and then end up exiting with an error code.

By switching to the non-gentle form, the function will die
for us, with a better error. It is more specific about which
syscall caused the error, and that mentions the
actual filename we're trying to write.

Our exit code for the error case does switch from "1" to
"128", but that's OK; it wasn't a meaningful documented code
(and in fact it was odd that it was a different exit code
than most other error conditions).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 09:47:28 -07:00
René Scharfe
1dad879a7b am: ignore return value of write_file()
write_file() either returns 0 or dies, so there is no point in checking
its return value.  The callers of the wrappers write_state_text(),
write_state_count() and write_state_bool() consequently already ignore
their return values.  Stop pretending we care and make them void.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 09:47:28 -07:00
Jeff King
aabbd3f3c9 config: fix bogus fd check when setting up default config
Since 9830534 (config --global --edit: create a template
file if needed, 2014-07-25), an edit of the global config
file will try to open() it with O_EXCL, and wants to handle
three cases:

  1. We succeeded; the user has no config file, and we
     should fill in the default template.

  2. We got EEXIST; they have a file already, proceed as usual.

  3. We got another error; we should complain.

However, the check for case 1 does "if (fd)", which will
generally _always_ be true (except for the oddball case that
somehow our stdin got closed and opening really did give us
a new descriptor 0).

So in the EEXIST case, we tried to write the default config
anyway! Fortunately, this turns out to be a noop, since we
just end up writing to and closing "-1", which does nothing.

But in case 3, we would fail to notice any other errors, and
just silently continue (given that we don't actually notice
write errors for the template either, it's probably not that
big a deal; we're about to spawn the editor, so it would
notice any problems. But the code is clearly _trying_ to hit
cover this case and failing).

We can fix it easily by using "fd >= 0" for case 1.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-08 09:47:28 -07:00
Junio C Hamano
9f1027d18a Merge branch 'sb/clone-shallow-passthru'
Fix an unintended regression in v2.9 that breaks "clone --depth"
that recurses down to submodules by forcing the submodules to also
be cloned shallowly, which many server instances that host upstream
of the submodules are not prepared for.

* sb/clone-shallow-passthru:
  clone: do not let --depth imply --shallow-submodules
2016-07-06 13:38:13 -07:00
Junio C Hamano
979f030359 Merge branch 'jk/repack-keep-unreachable'
"git repack" learned the "--keep-unreachable" option, which sends
loose unreachable objects to a pack instead of leaving them loose.
This helps heuristics based on the number of loose objects
(e.g. "gc --auto").

* jk/repack-keep-unreachable:
  repack: extend --keep-unreachable to loose objects
  repack: add --keep-unreachable option
  repack: document --unpack-unreachable option
2016-07-06 13:38:11 -07:00
Junio C Hamano
e25a4ded8a Merge branch 'ew/mboxrd-format-am'
Teach format-patch and mailsplit (hence "am") how a line that
happens to begin with "From " in the e-mail message is quoted with
">", so that these lines can be restored to their original shape.

* ew/mboxrd-format-am:
  am: support --patch-format=mboxrd
  mailsplit: support unescaping mboxrd messages
  pretty: support "mboxrd" output format
2016-07-06 13:38:11 -07:00
Junio C Hamano
7a738b40f6 Merge branch 'nd/worktree-cleanup-post-head-protection'
Further preparatory clean-up for "worktree" feature continues.

* nd/worktree-cleanup-post-head-protection:
  worktree: simplify prefixing paths
  worktree: avoid 0{40}, too many zeroes, hard to read
  worktree.c: use is_dot_or_dotdot()
  git-worktree.txt: keep subcommand listing in alphabetical order
  worktree.c: rewrite mark_current_worktree() to avoid strbuf
  completion: support git-worktree
2016-07-06 13:38:11 -07:00
Junio C Hamano
845351c99b Merge branch 'km/fetch-do-not-free-remote-name'
The ownership rule for the piece of memory that hold references to
be fetched in "git fetch" was screwy, which has been cleaned up.

* km/fetch-do-not-free-remote-name:
  builtin/fetch.c: don't free remote->name after fetch
2016-07-06 13:38:08 -07:00
Junio C Hamano
b8b6365a8a Merge branch 'jk/string-list-static-init'
Instead of taking advantage of a struct string_list that is
allocated with all NULs happens to be STRING_LIST_INIT_NODUP kind,
initialize them explicitly as such, to document their behaviour
better.

* jk/string-list-static-init:
  use string_list initializer consistently
  blame,shortlog: don't make local option variables static
  interpret-trailers: don't duplicate option strings
  parse_opt_string_list: stop allocating new strings
2016-07-06 13:38:08 -07:00
Junio C Hamano
7758b02b44 Merge branch 'pb/commit-editmsg-path'
Code clean-up.

* pb/commit-editmsg-path:
  builtin/commit.c: memoize git-path for COMMIT_EDITMSG
2016-07-06 13:38:06 -07:00
Junio C Hamano
f838198357 Merge branch 'jc/deref-tag' into maint
Code clean-up.

* jc/deref-tag:
  blame, line-log: do not loop around deref_tag()
2016-07-06 13:06:46 -07:00
Junio C Hamano
c8b080af71 Merge branch 'et/add-chmod-x' into maint
"git update-index --add --chmod=+x file" may be usable as an escape
hatch, but not a friendly thing to force for people who do need to
use it regularly.  "git add --chmod=+x file" can be used instead.

* et/add-chmod-x:
  add: add --chmod=+x / --chmod=-x options
2016-07-06 13:06:39 -07:00
Nguyễn Thái Ngọc Duy
bc437d1020 fetch: reduce duplicate in ref update status lines with placeholder
In the "remote -> local" line, if either ref is a substring of the
other, the common part in the other string is replaced with "*". For
example

    abc                -> origin/abc
    refs/pull/123/head -> pull/123

become

    abc         -> origin/*
    refs/*/head -> pull/123

Activated with fetch.output=compact.

For the record, this output is not perfect. A single giant ref can
push all refs very far to the right and likely be wrapped around. We
may have a few options:

 - exclude these long lines smarter

 - break the line after "->", exclude it from column width calculation

 - implement a new format, { -> origin/}foo, which makes the problem
   go away at the cost of a bit harder to read

 - reverse all the arrows so we have "* <- looong-ref", again still
   hard to read.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-06 11:48:25 -07:00
Nguyễn Thái Ngọc Duy
6bc91f23a6 fetch: align all "remote -> local" output
We do align "remote -> local" output by allocating 10 columns to
"remote". That produces aligned output only for short refs. An extra
pass is performed to find the longest remote ref name (that does not
produce a line longer than terminal width) to produce better aligned
output.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-06 11:48:25 -07:00
Jeff King
023ff39b29 parse_options: allocate a new array when concatenating
In exactly one callers (builtin/revert.c), we build up the
options list dynamically from multiple arrays. We do so by
manually inserting "filler" entries into one array, and then
copying the other array into the allocated space.

This is tedious and error-prone, as you have to adjust the
filler any time the second array is modified (although we do
at least check and die() when the counts do not match up).

Instead, let's just allocate a new array.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-06 10:11:08 -07:00
Charles Bailey
b8e47d1acf grep: fix grepping for "intent to add" files
This reverts commit 4d5520053 (grep: make it clear i-t-a entries are
ignored, 2015-12-27) and adds an alternative fix to maintain the -L
--cached behavior.

4d5520053 caused 'git grep' to no longer find matches in new files in
the working tree where the corresponding index entry had the "intent to
add" bit set, despite the fact that these files are tracked.

The content in the index of a file for which the "intent to add" bit is
set is considered indeterminate and not empty. For most grep queries we
want these to behave the same, however for -L --cached (files without a
match) we don't want to respond positively for "intent to add" files as
their contents are indeterminate. This is in contrast to files with
empty contents in the index (no lines implies no matches for any grep
query expression) which should be reported in the output of a grep -L
--cached invocation.

Add tests to cover this case and a few related cases which previously
lacked coverage.

Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Charles Bailey <cbailey32@bloomberg.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-01 13:27:41 -07:00
Johannes Schindelin
054a5aee6f reset --hard: skip blank lines when reporting the commit subject
When there are blank lines at the beginning of a commit message, the
pretty printing machinery already skips them when showing a commit
subject (or the complete commit message). We shall henceforth do the
same when reporting the commit subject after the user called

	git reset --hard <commit>

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-29 15:03:36 -07:00
Johannes Schindelin
84e213a30a commit -C: skip blank lines at the beginning of the message
Consistent with the pretty-printing machinery, we skip leading blank
lines (if any) of existing commit messages.

While Git itself only produces commit objects with a single empty line
between commit header and commit message, it is legal to have more than
one blank line (i.e. lines containing only white space, or no
characters) at the beginning of the commit message, and the
pretty-printing code already handles that.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-29 14:56:37 -07:00
brian m. carlson
4e8161a82e merge-recursive: convert merge_recursive_generic() to object_id
Convert this function and the git merge-recursive subcommand to use
struct object_id.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-28 11:39:02 -07:00
brian m. carlson
a0d12c4433 diff: convert struct diff_filespec to struct object_id
Convert struct diff_filespec's sha1 member to use a struct object_id
called "oid" instead.  The following Coccinelle semantic patch was used
to implement this, followed by the transformations in object_id.cocci:

@@
struct diff_filespec o;
@@
- o.sha1
+ o.oid.hash

@@
struct diff_filespec *p;
@@
- p->sha1
+ p->oid.hash

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-28 11:39:02 -07:00
brian m. carlson
c368dde924 coccinelle: apply object_id Coccinelle transformations
Apply the set of semantic patches from contrib/coccinelle to convert
some leftover places using struct object_id's hash member to instead
use the wrapper functions that take struct object_id natively.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-28 11:39:02 -07:00
brian m. carlson
f449198e58 coccinelle: convert hashcpy() with null_sha1 to hashclr()
hashcpy with null_sha1 as the source is equivalent to hashclr.  In
addition to being simpler, using hashclr may give the compiler a chance
to optimize better.  Convert instances of hashcpy with the source
argument of null_sha1 to hashclr.

This transformation was implemented using the following semantic patch:

@@
expression E1;
@@
-hashcpy(E1, null_sha1);
+hashclr(E1);

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-28 11:39:02 -07:00
Nguyễn Thái Ngọc Duy
2cb040baa6 fetch: change flag code for displaying tag update and deleted ref
This makes the fetch flag code consistent with push, where '-' means
deleted ref.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-27 10:58:02 -07:00
Nguyễn Thái Ngọc Duy
d0b39a03cd fetch: refactor ref update status formatting code
This makes it easier to change the formatting later. And it makes sure
translators cannot mess up format specifiers and break Git.

There are a couple call sites where the length of the second column is
TRANSPORT_SUMMARY_WIDTH instead of calculated by TRANSPORT_SUMMARY(),
which is enforced now. The result should be the same because these call
sites do not contain characters outside ASCII range.

The two strbuf_addf() calls instead of one is mostly to reduce
diff-noise in a future patch where "ref -> ref" is reformatted
differently.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-27 10:58:02 -07:00
Junio C Hamano
8579c4ebee Merge branch 'lf/receive-pack-auto-gc-to-client'
Allow messages that are generated by auto gc during "git push" on
the receiving end to be explicitly passed back to the sending end
over sideband, so that they are shown with "remote: " prefix to
avoid confusing the users.

* lf/receive-pack-auto-gc-to-client:
  receive-pack: send auto-gc output over sideband 2
2016-06-27 09:56:52 -07:00
Junio C Hamano
2a5618ec78 Merge branch 'jc/deref-tag'
Code clean-up.

* jc/deref-tag:
  blame, line-log: do not loop around deref_tag()
2016-06-27 09:56:50 -07:00
Junio C Hamano
c49fd57bf4 Merge branch 'et/add-chmod-x'
"git update-index --add --chmod=+x file" may be usable as an escape
hatch, but not a friendly thing to force for people who do need to
use it regularly.  "git add --chmod=+x file" can be used instead.

* et/add-chmod-x:
  add: add --chmod=+x / --chmod=-x options
2016-06-27 09:56:49 -07:00
Junio C Hamano
0bbda4bac7 Merge branch 'cc/apply-introduce-state'
The "git apply" standalone program is being libified; this is the
first step to move many state variables into a structure that can
be explicitly (re)initialized to make the machinery callable more
than once.

The next step that moves some remaining state variables into the
structure and turns die()s into an error return that propagates up
to the caller is not queued yet but in flight.  It would be good to
review the above first and give the remainder of the series a solid
base to build on.

* cc/apply-introduce-state: (50 commits)
  builtin/apply: remove misleading comment on lock_file field
  builtin/apply: move 'newfd' global into 'struct apply_state'
  builtin/apply: add 'lock_file' pointer into 'struct apply_state'
  builtin/apply: move applying patches into apply_all_patches()
  builtin/apply: move 'state' check into check_apply_state()
  builtin/apply: move 'symlink_changes' global into 'struct apply_state'
  builtin/apply: move 'fn_table' global into 'struct apply_state'
  builtin/apply: move 'state_linenr' global into 'struct apply_state'
  builtin/apply: move 'max_change' and 'max_len' into 'struct apply_state'
  builtin/apply: move 'ws_ignore_action' into 'struct apply_state'
  builtin/apply: move 'ws_error_action' into 'struct apply_state'
  builtin/apply: move 'applied_after_fixing_ws' into 'struct apply_state'
  builtin/apply: move 'squelch_whitespace_errors' into 'struct apply_state'
  builtin/apply: remove whitespace_option arg from set_default_whitespace_mode()
  builtin/apply: move 'whitespace_option' into 'struct apply_state'
  builtin/apply: move 'whitespace_error' global into 'struct apply_state'
  builtin/apply: move 'root' global into 'struct apply_state'
  builtin/apply: move 'p_value_known' global into 'struct apply_state'
  builtin/apply: move 'p_value' global into 'struct apply_state'
  builtin/apply: move 'has_include' global into 'struct apply_state'
  ...
2016-06-27 09:56:42 -07:00
Junio C Hamano
df5a925523 Merge branch 'jk/rev-list-count-with-bitmap' into maint
"git rev-list --count" whose walk-length is limited with "-n"
option did not work well with the counting optimized to look at the
bitmap index.

* jk/rev-list-count-with-bitmap:
  rev-list: disable bitmaps when "-n" is used with listing objects
  rev-list: "adjust" results of "--count --use-bitmap-index -n"
2016-06-27 09:56:24 -07:00
Eric Wong
5f4e3bf536 gc: fix off-by-one error with gc.autoPackLimit
This matches the documentation and allows gc.autoPackLimit=1
to maintain a single pack without attempting a repack on every
"git gc --auto" invocation.

Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-27 08:28:47 -07:00
Johannes Schindelin
7f7d712bcf shortlog: respect the --output=<file> setting
Thanks to the diff option parsing, we already know about this option.
We just have to make use of it.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 15:20:47 -07:00
Johannes Schindelin
36a4d905c3 format-patch: use stdout directly
Earlier, we freopen()ed stdout in order to write patches to files.
That forced us to duplicate stdout (naming it "realstdout") because we
*still* wanted to be able to report the file names.

As we do not abuse stdout that way anymore, we no longer need to
duplicate stdout, either.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 15:20:47 -07:00
Johannes Schindelin
95235f5ba1 format-patch: avoid freopen()
We just taught the relevant functions to respect the diffopt.file field,
to allow writing somewhere else than stdout. Let's make use of it.

Technically, we do not need to avoid that call in a builtin: we assume
that builtins (as opposed to library functions) are stand-alone programs
that may do with their (global) state. Yet, we want to be able to reuse
that code in properly lib-ified code, e.g. when converting scripts into
builtins.

Further, while we did not *have* to touch the cmd_show() and cmd_cherry()
code paths (because they do not want to write anywhere but stdout as of
yet), it just makes sense to be consistent, making it easier and safer to
move the code later.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 15:20:47 -07:00
Johannes Schindelin
11f4eb1984 format-patch: explicitly switch off color when writing to files
The --color=auto handling is done by seeing if file descriptor 1
(the standard output) is connected to a terminal.  format-patch
used freopen() to reuse the standard output stream even when sending
its output to an on-disk file, and this check is appropriate.

In the next step, however, we will stop reusing "FILE *stdout", and
instead start using arbitrary file descriptor obtained by doing an
fopen(3) ourselves.  The check --color=auto does will become useless,
as we no longer are writing to the standard output stream.

But then, we do not need to guess to begin with. As argued in the commit
message of 7787570c (format-patch: ignore ui.color, 2011-09-13), we do not
allow the ui.color setting to affect format-patch's output. The only time,
therefore, that we allow color sequences to be written to the output files
is when the user specified the --color=always command-line option explicitly.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 15:15:55 -07:00
Johannes Schindelin
0a7b357737 shortlog: support outputting to streams other than stdout
This will be needed to avoid freopen() in `git format-patch`.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 14:25:49 -07:00
Johannes Schindelin
6ea57703f6 log: prepare log/log-tree to reuse the diffopt.close_file attribute
We are about to teach the log-tree machinery to reuse the diffopt.file
field to output to a file stream other than stdout, in line with the
diff machinery already writing to diffopt.file.

However, we might want to write something after the diff in
log_tree_commit() (e.g. with the --show-linear-break option), therefore
we must not let the diff machinery close the file (as per
diffopt.close_file.

This means that log_tree_commit() itself must override the
diffopt.close_file flag and close the file, and if log_tree_commit() is
called in a loop, the caller is responsible to do the same.

Note: format-patch has an `--output-directory` option. Due to the fact
that format-patch's options are parsed first, and that the parse-options
machinery accepts uniquely abbreviated options, the diff options
`--output` (and `-o`) are shadowed. Therefore close_file is not set to 1
so that cmd_format_patch() does *not* need to handle the close_file flag
differently, even if it calls log_tree_commit() in a loop.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 13:50:45 -07:00
Mehul Jain
fce04c3ca6 log: add log.showSignature configuration variable
Users may want to always use "--show-signature" while using git-log and
related commands.

When log.showSignature is set to true, git-log and related commands will
behave as if "--show-signature" was given to them.

Note that this config variable is meant to affect git-log, git-show,
git-whatchanged and git-reflog. Other commands like git-format-patch,
git-rev-list are not to be affected by this config variable.

Signed-off-by: Mehul Jain <mehul.jain2029@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 13:01:13 -07:00
Michael Haggerty
29a7cf9644 remote rm: handle symbolic refs correctly
In the modern world of reference backends, it is not OK to delete a
symref by unlink()ing the file directly. This must be done via the refs
API.

We do so by adding the symref to the list of references to delete along
with the non-symbolic references, then calling delete_refs() with the
new flags option set to REF_NODEREF.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-20 11:38:18 -07:00
Michael Haggerty
c5f04dddb6 delete_refs(): add a flags argument
This will be useful for passing REF_NODEREF through.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-20 11:38:18 -07:00
Junio C Hamano
18a74a092b clone: do not let --depth imply --shallow-submodules
In v2.9.0, we prematurely flipped the default to force cloning
submodules shallowly, when the superproject is getting cloned
shallowly.  This is likely to fail when the upstream repositories
submodules are cloned from a repository that is not prepared to
serve histories that ends at a commit that is not at the tip of a
branch, and we know the world is not yet ready.

Use a safer default to clone the submodules fully, unless the user
tells us that she knows that the upstream repository of the
submodules are willing to cooperate with "--shallow-submodules"
option.

Noticed-by: Vadim Eisenberg <VADIME@il.ibm.com>
Helped-by: Jeff King <peff@peff.net>
Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-20 11:35:28 -07:00
Junio C Hamano
6d8c5454b6 Merge branch 'jk/rev-list-count-with-bitmap'
"git rev-list --count" whose walk-length is limited with "-n"
option did not work well with the counting optimized to look at the
bitmap index.

* jk/rev-list-count-with-bitmap:
  rev-list: disable bitmaps when "-n" is used with listing objects
  rev-list: "adjust" results of "--count --use-bitmap-index -n"
2016-06-20 11:01:03 -07:00
Junio C Hamano
1958a17fe4 Merge branch 'jc/clear-pathspec'
We usually call a function that clears the contents a data
structure X without freeing the structure itself clear_X(), and
call a function that does clear_X() and also frees it free_X().
free_pathspec() function has been renamed to clear_pathspec()
to avoid confusion.

* jc/clear-pathspec:
  pathspec: rename free_pathspec() to clear_pathspec()
2016-06-20 11:01:02 -07:00
Junio C Hamano
6d41eb685a Merge branch 'jg/dash-is-last-branch-in-worktree-add'
"git worktree add" learned that '-' can be used as a short-hand for
"@{-1}", the previous branch.

* jg/dash-is-last-branch-in-worktree-add:
  worktree: allow "-" short-hand for @{-1} in add command
2016-06-20 11:01:02 -07:00
Junio C Hamano
3807098cd6 Merge branch 'sb/submodule-recommend-shallowness'
An upstream project can make a recommendation to shallowly clone
some submodules in the .gitmodules file it ships.

* sb/submodule-recommend-shallowness:
  submodule update: learn `--[no-]recommend-shallow` option
  submodule-config: keep shallow recommendation around
2016-06-20 11:01:01 -07:00
Junio C Hamano
73bc4b4928 Merge branch 'ah/no-verify-signature-with-pull-rebase'
"git pull --rebase --verify-signature" learned to warn the user
that "--verify-signature" is a no-op when rebasing.

* ah/no-verify-signature-with-pull-rebase:
  pull: warn on --verify-signatures with --rebase
2016-06-20 11:01:00 -07:00
Vasco Almeida
b18237f4e3 i18n: branch: mark comment when editing branch description for translation
When one issues git branch --edit-description branch_name, a edit with
that message commented out is opened. Mark that message for translation
in to order to be localized.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:46:10 -07:00
Vasco Almeida
c30364d080 i18n: init-db: join message pieces
Join message displayed during repository initialization in one entire
sentence.  That would improve translations since it's easier translate
an entire sentence than translating each piece.

Update Icelandic translation to reflect the changes.  The Icelandic
translation of these messages is used with test
t0204-gettext-reencode-sanity.sh and not updating the translation would
fail the test.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:46:10 -07:00
Vasco Almeida
a1b467a4ee i18n: remote: allow translations to reorder message
Before this patch, translations couldn't place the branch name
where it was better fit in the message "and with remote <branch_name>".
Allow translations that, instead of forcing the branch name to display
right of the message.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:46:10 -07:00
Vasco Almeida
7ba7b9abcc i18n: remote: mark URL fallback text for translation
Marks fallback text for translation that may be displayed in git remote
show output.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:46:10 -07:00
Vasco Almeida
e923a8abe9 i18n: standardise messages
Standardise messages in order to save translators some work.

Nuances fixed in this commit:
"failed to read %s"
"read of %s failed"

"detach the HEAD at named commit"
"detach HEAD at named commit"

"removing '%s' failed"
"failed to remove '%s'"

"index file corrupt"
"corrupt index file"

"failed to read %s"
"read of %s failed"

"detach the HEAD at named commit"
"detach HEAD at named commit"

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:46:10 -07:00
Vasco Almeida
c8bb9d2e5a i18n: merge: change command option help to lowercase
Change command option description to lowercase, matching pull
counterpart option. Translators would have to translate such message
only once.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:46:10 -07:00
Vasco Almeida
bef4830e88 i18n: merge: mark messages for translation
Mark messages shown to the user for translation.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:46:10 -07:00
Vasco Almeida
b34c77e33e i18n: notes: mark options for translation
Mark options description of git prune for translation.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:45:49 -07:00
Vasco Almeida
5313827f7e i18n: notes: mark strings for translation
Mark strings of messages for the user as translatable.

Update tests t3310-notes-merge-manual-resolve.sh and
t3320-notes-merge-worktrees.sh to reflect new translatable messages.

Tests that grep for .git/NOTES_MERGE_WORKTREE reflect the translatable
string "Automatic notes merge failed. Fix conflicts in %s and [...]".

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:45:49 -07:00
Vasco Almeida
8785c42532 i18n: advice: internationalize message for conflicts
Mark message for translation telling the user she has conflicts to
resolve. Expose each particular use case, in order to enable translating
entire sentences which would facilitate translating into other
languages.

Change "Pull" to lowercase to match other instances. Update test
t5520-pull.sh, that relied on the old error message, to use the new one.

Although we loose in source code conciseness, we would gain better
translations because translators can 1) translate the entire sentence,
including those terms concerning Git (committing, merging, etc) 2) have
leeway to adapt to their languages.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:45:48 -07:00
Vasco Almeida
070b7e4416 i18n: builtin/remote.c: fix mark for translation
The second string inside _() was not being extracted for translation by
xgettext, meaning that, although the string was passed to gettext, there
was no translation available.

Mark each individual string instead of marking the result of ternary if.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17 15:45:47 -07:00
Jeff King
e26a8c4721 repack: extend --keep-unreachable to loose objects
If you use "repack -adk" currently, we will pack all objects
that are already packed into the new pack, and then drop the
old packs. However, loose unreachable objects will be left
as-is. In theory these are meant to expire eventually with
"git prune". But if you are using "repack -k", you probably
want to keep things forever and therefore do not run "git
prune" at all. Meaning those loose objects may build up over
time and end up fooling any object-count heuristics (such as
the one done by "gc --auto", though since git-gc does not
support "repack -k", this really applies to whatever custom
scripts people might have driving "repack -k").

With this patch, we instead stuff any loose unreachable
objects into the pack along with the already-packed
unreachable objects. This may seem wasteful, but it is
really no more so than using "repack -k" in the first place.
We are at a slight disadvantage, in that we have no useful
ordering for the result, or names to hand to the delta code.
However, this is again no worse than what "repack -k" is
already doing for the packed objects. The packing of these
objects doesn't matter much because they should not be
accessed frequently (unless they actually _do_ become
referenced, but then they would get moved to a different
part of the packfile during the next repack).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-14 13:57:45 -07:00
Jeff King
905f27b86a repack: add --keep-unreachable option
The usual way to do a full repack (and what is done by
git-gc) is to run "repack -Ad --unpack-unreachable=<when>",
which will loosen any unreachable objects newer than
"<when>", and drop any older ones.

This is a safer alternative to "repack -ad", because
"<when>" becomes a grace period during which we will not
drop any new objects that are about to be referenced.
However, it isn't perfectly safe. It's always possible that
a process is about to reference an old object. Even if that
process were to take care to update the timestamp on the
object, there is no atomicity with a simultaneously running
"repack" process.

So while unlikely, there is a small race wherein we may drop
an object that is in the process of being referenced. If you
do automated repacking on a large number of active
repositories, you may hit it eventually, and the result is a
corrupted repository.

It would be nice to fix that race in the long run, but it's
complicated.  In the meantime, there is a much simpler
strategy for automated repository maintenance: do not drop
objects at all. We already have a "--keep-unreachable"
option in pack-objects; we just need to plumb it through
from git-repack.

Note that this _isn't_ plumbed through from git-gc, so at
this point it's strictly a tool for people doing their own
advanced repository maintenance strategy.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-14 13:57:42 -07:00
Junio C Hamano
31da121f2d blame, line-log: do not loop around deref_tag()
These callers appear to expect that deref_tag() is to peel one layer
of a tag, but the function does not work that way; it has its own
loop to unwrap tags until an object that is not a tag appears.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-14 13:38:14 -07:00
Junio C Hamano
e1d09701a4 blame: dwim "blame --reverse OLD" as "blame --reverse OLD.."
Instead of always requiring both ends of a range, we could DWIM
"OLD", which could be a misspelt "OLD..", to be a range that ends at
the current commit.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-14 12:13:07 -07:00
Junio C Hamano
d993ce1ed2 blame: improve diagnosis for "--reverse NEW"
"git blame --reverse OLD..NEW -- PATH" tells us to start from the
contents in PATH at OLD and observe how each line is changed while
the history develops up to NEW, and report for each line the latest
commit up to which the line survives in the original form.

If you say "git blame --reverse NEW -- PATH" by mistake, we complain
about the missing OLD, but we phrased it as "No commit to dig down
to?"  In this case, however, we are digging up from OLD, so say so.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-14 12:12:15 -07:00
Keith McGuigan
b7410f616e builtin/fetch.c: don't free remote->name after fetch
Make fetch's string_list of remote names own all of its string items
(strdup'ing when necessary) so that it can deallocate them safely
when clearing.

Signed-off-by: Keith McGuigan <kmcguigan@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-14 11:58:05 -07:00
Nguyễn Thái Ngọc Duy
cccf74e2da fetch, upload-pack: --deepen=N extends shallow boundary by N commits
In git-fetch, --depth argument is always relative with the latest
remote refs. This makes it a bit difficult to cover this use case,
where the user wants to make the shallow history, say 3 levels
deeper. It would work if remote refs have not moved yet, but nobody
can guarantee that, especially when that use case is performed a
couple months after the last clone or "git fetch --depth". Also,
modifying shallow boundary using --depth does not work well with
clones created by --since or --not.

This patch fixes that. A new argument --deepen=<N> will add <N> more (*)
parent commits to the current history regardless of where remote refs
are.

Have/Want negotiation is still respected. So if remote refs move, the
server will send two chunks: one between "have" and "want" and another
to extend shallow history. In theory, the client could send no "want"s
in order to get the second chunk only. But the protocol does not allow
that. Either you send no want lines, which means ls-remote; or you
have to send at least one want line that carries deep-relative to the
server..

The main work was done by Dongcan Jiang. I fixed it up here and there.
And of course all the bugs belong to me.

(*) We could even support --deepen=<N> where <N> is negative. In that
case we can cut some history from the shallow clone. This operation
(and --depth=<shorter depth>) does not require interaction with remote
side (and more complicated to implement as a result).

Helped-by: Duy Nguyen <pclouds@gmail.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Dongcan Jiang <dongcan.jiang@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 14:38:16 -07:00
Nguyễn Thái Ngọc Duy
859e5df916 clone: define shallow clone boundary with --shallow-exclude
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 14:38:16 -07:00
Nguyễn Thái Ngọc Duy
a45a260086 fetch: define shallow boundary with --shallow-exclude
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 14:38:16 -07:00
Nguyễn Thái Ngọc Duy
994c2aaf31 clone: define shallow clone boundary based on time with --shallow-since
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 14:38:16 -07:00
Nguyễn Thái Ngọc Duy
508ea88226 fetch: define shallow boundary with --shallow-since
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 14:38:16 -07:00
Nguyễn Thái Ngọc Duy
45a3e52641 fetch-pack: use skip_prefix() instead of starts_with()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 14:38:16 -07:00
Jeff King
2721ce21e4 use string_list initializer consistently
There are two types of string_lists: those that own the
string memory, and those that don't. You can tell the
difference by the strdup_strings flag, and one should use
either STRING_LIST_INIT_DUP, or STRING_LIST_INIT_NODUP as an
initializer.

Historically, the normal all-zeros initialization has
corresponded to the NODUP case. Many sites use no
initializer at all, and that works as a shorthand for that
case. But for a reader of the code, it can be hard to
remember which is which. Let's be more explicit and actually
have each site declare which type it means to use.

This is a fairly mechanical conversion; I assumed each site
was correct as-is, and just switched them all to NODUP.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 10:37:51 -07:00
Junio C Hamano
7013220d2b Merge branch 'jk/parseopt-string-list' into jk/string-list-static-init
* jk/parseopt-string-list:
  blame,shortlog: don't make local option variables static
  interpret-trailers: don't duplicate option strings
  parse_opt_string_list: stop allocating new strings
2016-06-13 10:37:48 -07:00
Jeff King
64093fc06a blame,shortlog: don't make local option variables static
There's no need for these option variables to be static,
except that they are referenced by the options array itself,
which is static. But having all of this static is simply
unnecessary and confusing (and inconsistent with most other
commands, which either use a static global option list or a
true function-local one).

Note that in some cases we may need to actually initialize
the variables (since we cannot rely on BSS to do so). This
is a net improvement to readability, though, as we can use
the more verbose initializers for our string_lists.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 10:33:33 -07:00
Jeff King
7c4b169585 interpret-trailers: don't duplicate option strings
There's no need to do so; the argv strings will last until
the end of the program.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 10:33:14 -07:00
Stefan Beller
665b35eccd submodule--helper: initial clone learns retry logic
Each submodule that is attempted to be cloned, will be retried once in
case of failure after all other submodules were cloned. This helps to
mitigate ephemeral server failures and increases chances of a reliable
clone of a repo with hundreds of submodules immensely.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13 10:28:38 -07:00
Michael Haggerty
8bb0455367 delete_branches(): use resolve_refdup()
The return value of resolve_ref_unsafe() is not guaranteed to stay
around as long as we need it, so use resolve_refdup() instead.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
2016-06-13 11:23:49 +02:00
Pranit Bauva
e51b0dfc97 builtin/commit.c: memoize git-path for COMMIT_EDITMSG
This is a follow up commit for f932729c (memoize common git-path
"constant" files, 10-Aug-2015).

The many function calls to git_path() are replaced by
git_path_commit_editmsg() and which thus eliminates the need to repeatedly
compute the location of "COMMIT_EDITMSG".

Mentored-by: Lars Schneider <larsxschneider@gmail.com>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-09 10:03:10 -07:00
Edward Thomson
4e55ed32db add: add --chmod=+x / --chmod=-x options
The executable bit will not be detected (and therefore will not be
set) for paths in a repository with `core.filemode` set to false,
though the users may still wish to add files as executable for
compatibility with other users who _do_ have `core.filemode`
functionality.  For example, Windows users adding shell scripts may
wish to add them as executable for compatibility with users on
non-Windows.

Although this can be done with a plumbing command
(`git update-index --add --chmod=+x foo`), teaching the `git-add`
command allows users to set a file executable with a command that
they're already familiar with.

Signed-off-by: Edward Thomson <ethomson@edwardthomson.com>
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-07 17:43:39 -07:00
Junio C Hamano
05781d37fa Merge branch 'ar/diff-args-osx-precompose' into maint
Many commands normalize command line arguments from NFD to NFC
variant of UTF-8 on OSX, but commands in the "diff" family did
not, causing "git diff $path" to complain that no such path is
known to Git.  They have been taught to do the normalization.

* ar/diff-args-osx-precompose:
  diff: run arguments through precompose_argv
2016-06-06 14:27:35 -07:00
Junio C Hamano
283badc38e Merge branch 'sb/submodule-helper-relative-path'
A bash-ism "local" has been removed from "git submodule" scripted
Porcelain.

* sb/submodule-helper-relative-path:
  submodule: remove bashism from shell script
2016-06-06 14:18:55 -07:00
Junio C Hamano
f6136f3c39 Merge branch 'sb/submodule-helper-list-signal-unmatch-via-exit-status'
The way how "submodule--helper list" signals unmatch error to its
callers has been updated.

* sb/submodule-helper-list-signal-unmatch-via-exit-status:
  submodule--helper: offer a consistent API
2016-06-06 14:18:55 -07:00
Junio C Hamano
a7d4c49a82 builtin/apply: remove misleading comment on lock_file field
Just like pointer field like prefix, the piece of memory pointed at
by lock_file field is not owned by the apply_state structure.  It is
true that the caller needs to be careful about the lifetime rule for
lockfile instances, but that is none of this API's business.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-06 13:11:02 -07:00
Eric Wong
d9925d1a71 am: support --patch-format=mboxrd
Combined with "git format-patch --pretty=mboxrd", this should
allow us to round-trip commit messages with embedded mbox
"From " lines without corruption.

Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-06 11:40:15 -07:00
Eric Wong
c88098d7f1 mailsplit: support unescaping mboxrd messages
This will allow us to parse the output of --pretty=mboxrd
and the output of other mboxrd generators.

Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-06 11:14:43 -07:00
Eric Wong
9f23e04061 pretty: support "mboxrd" output format
This output format prevents format-patch output from breaking
readers if somebody copy+pasted an mbox into a commit message.

Unlike the traditional "mboxo" format, "mboxrd" is designed to
be fully-reversible.  "mboxrd" also gracefully degrades to
showing extra ">" in existing "mboxo" readers.

This degradation is preferable to breaking message splitting
completely, a problem I've seen in "mboxcl" due to having
multiple, non-existent, or inaccurate Content-Length headers.

"mboxcl2" is a non-starter since it's inherits the problems
of "mboxcl" while being completely incompatible with existing
tooling based around mailsplit.

ref: http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/mail-mbox-formats.html

Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-06 11:14:14 -07:00
Lukas Fleischer
860a2ebecd receive-pack: send auto-gc output over sideband 2
Redirect auto-gc output to the sideband such that it is visible to all
clients. As a side effect, all auto-gc error messages are now prefixed
with "remote: " before being printed to stderr on the client-side which
makes it easier to understand that those error messages originate from
the server.

Signed-off-by: Lukas Fleischer <lfleischer@lfos.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-06 10:58:55 -07:00
Junio C Hamano
bf523da2a2 Merge branch 'rs/apply-name-terminate'
Code clean-up.

* rs/apply-name-terminate:
  apply: remove unused parameters from name_terminate()
2016-06-03 14:38:04 -07:00
Junio C Hamano
29e54b019f Merge branch 'rs/patch-id-use-skip-prefix'
Code clean-up.

* rs/patch-id-use-skip-prefix:
  patch-id: use starts_with() and skip_prefix()
2016-06-03 14:38:03 -07:00
Christian Couder
a1bc3dd464 builtin/apply: move 'newfd' global into 'struct apply_state'
To libify the apply functionality the 'newfd' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-03 10:31:56 -07:00
Christian Couder
8f31fac365 builtin/apply: add 'lock_file' pointer into 'struct apply_state'
We cannot have a 'struct lock_file' allocated on the stack, as lockfile.c
keeps a linked list of all created lock_file structures.

Also 'struct apply_state' users might later want the same 'struct lock_file'
instance to be reused by different series of calls to the apply api.

So let's add a 'struct lock_file *lock_file' pointer into 'struct apply_state'
and have the user of 'struct apply_state' allocate memory for the actual
'struct lock_file' instance.

Let's also add an argument to init_apply_state(), so that the caller can
easily supply a pointer to the allocated instance.

Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-03 10:30:16 -07:00
Jeff King
fb85db84dc rev-list: disable bitmaps when "-n" is used with listing objects
You can ask rev-list to use bitmaps to speed up an --objects
traversal, which should generally give you your answers much
faster.

Likewise, you can ask rev-list to limit such a traversal
with `-n`, in which case we'll show only a limited set of
commits (and only the tree and commit objects directly
reachable from those commits).

But if you do both together, the results are nonsensical. We
end up limiting any fallback traversal we do to _find_ the
bitmaps, but the actual set of objects we output will be
picked arbitrarily from the union of any bitmaps we do find,
and will involve the objects of many more commits.

It's possible that somebody might want this as a "show me
what you can, but limit the amount of work you do" flag.
But as with the prior commit clamping "--count", the results
are basically non-deterministic; you'll get the values from
some commits between `n` and the total number, and you can't
tell which.

And unlike the `--count` case, we can't easily generate the
"real" value from the bitmap values (you can't just walk
back `-n` commits and subtract out the reachable objects
from the boundary commits; the bitmaps for `X` record its
total reachability, so you don't know which objects are
directly from `X` itself, which from `X^`, and so on).

So let's just fallback to the non-bitmap code path in this
case, so we always give a sane answer.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-03 09:01:02 -07:00
Jeff King
5c9f9bf313 rev-list: "adjust" results of "--count --use-bitmap-index -n"
If you ask rev-list for:

    git rev-list --count --use-bitmap-index HEAD

we optimize out the actual traversal and just give you the
number of bits set in the commit bitmap. This is faster,
which is good.

But if you ask to limit the size of the traversal, like:

    git rev-list --count --use-bitmap-index -n 100 HEAD

we'll still output the full bitmapped number we found. On
the surface, that might even seem OK. You explicitly asked
to use the bitmap index, and it was cheap to compute the
real answer, so we gave it to you.

But there's something much more complicated going on under
the hood. If we don't have a bitmap directly for HEAD, then
we have to actually traverse backwards, looking for a
bitmapped commit. And _that_ traversal is bounded by our
`-n` count.

This is a good thing, because it bounds the work we have to
do, which is probably what the user wanted by asking for
`-n`. But now it makes the output quite confusing. You might
get many values:

  - your `-n` value, if we walked back and never found a
    bitmap (or fewer if there weren't that many commits)

  - the actual full count, if we found a bitmap root for
    every path of our traversal with in the `-n` limit

  - any number in between! We might have walked back and
    found _some_ bitmaps, but then cut off the traversal
    early with some commits not accounted for in the result.

So you cannot even see a value higher than your `-n` and say
"OK, bitmaps kicked in, this must be the real full count".
The only sane thing is for git to just clamp the value to a
maximum of the `-n` value, which means we should output the
exact same results whether bitmaps are in use or not.

The test in t5310 demonstrates this by using `-n 1`.
Without this patch we fail in the full-bitmap case (where we
do not have to traverse at all) but _not_ in the
partial-bitmap case (where we have to walk down to find an
actual bitmap). With this patch, both cases just work.

I didn't implement the crazy in-between case, just because
it's complicated to set up, and is really a subset of the
full-count case, which we do cover.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-03 09:00:59 -07:00
Junio C Hamano
ed6e8038f9 pathspec: rename free_pathspec() to clear_pathspec()
The function takes a pointer to a pathspec structure, and releases
the resources held by it, but does not free() the structure itself.
Such a function should be called "clear", not "free".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-02 14:09:22 -07:00
Stefan Beller
44431df024 submodule: remove bashism from shell script
Junio pointed out `relative_path` was using bashisms via the
local variables. As the longer term goal is to rewrite most of the
submodule code in C, do it now.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 11:32:53 -07:00
Stefan Beller
b0f4b40846 submodule--helper: offer a consistent API
In 48308681 (2016-02-29, git submodule update: have a dedicated helper
for cloning), the helper communicated errors back only via exit code,
and dance with printing '#unmatched' in case of error was left to
git-submodule.sh as it uses the output of the helper and pipes it into
shell commands. This change makes the helper consistent by never
printing '#unmatched' in the helper but always handling these piping
issues in the actual shell script.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 11:31:49 -07:00
Christian Couder
91b769c48f builtin/apply: move applying patches into apply_all_patches()
To libify the apply functionality we should provide a function to
apply many patches. Let's move the code to do that into a new
apply_all_patches() function.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
c84a86c995 builtin/apply: move 'state' check into check_apply_state()
To libify the apply functionality we should provide a function
to check that the values in a 'struct apply_state' instance are
coherent. Let's move the code to do that into a new
check_apply_state() function.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
2f63cea963 builtin/apply: move 'symlink_changes' global into 'struct apply_state'
To libify the apply functionality the 'symlink_changes' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
71dac5cef5 builtin/apply: move 'fn_table' global into 'struct apply_state'
To libify the apply functionality the 'fn_table' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

As fn_table is cleared at the end of apply_patch(), it is not
necessary to clear it in clear_apply_state().

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
d7263d097c builtin/apply: move 'state_linenr' global into 'struct apply_state'
To libify the apply functionality the 'state_linenr' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
1ffec303ab builtin/apply: move 'max_change' and 'max_len' into 'struct apply_state'
To libify the apply functionality the 'max_change' and 'max_len'
variables should not be static and global to the file. Let's move
them into 'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
10a9ddba2c builtin/apply: move 'ws_ignore_action' into 'struct apply_state'
To libify the apply functionality the 'ws_ignore_action' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
e9c6b279b8 builtin/apply: move 'ws_error_action' into 'struct apply_state'
To libify the apply functionality the 'ws_error_action' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
7243f5f350 builtin/apply: move 'applied_after_fixing_ws' into 'struct apply_state'
To libify the apply functionality the 'applied_after_fixing_ws' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
70e1d53df1 builtin/apply: move 'squelch_whitespace_errors' into 'struct apply_state'
To libify the apply functionality the 'squelch_whitespace_errors' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
8bcba3d0d6 builtin/apply: remove whitespace_option arg from set_default_whitespace_mode()
A previous change has move the whitespace_option variable from cmd_apply
into 'struct apply_state', so that we can now avoid passing it separately
to set_default_whitespace_mode().

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
161fcbe988 builtin/apply: move 'whitespace_option' into 'struct apply_state'
This will enable further refactoring, and it is more coherent and
simpler if all the option_parse_*() functions are passed a
'struct apply_state' instance in opt->value.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
5460cd0b10 builtin/apply: move 'whitespace_error' global into 'struct apply_state'
To libify the apply functionality the 'whitespace_error' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
36371e4c7e builtin/apply: move 'root' global into 'struct apply_state'
To libify the apply functionality the 'root' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
b76184e410 builtin/apply: move 'p_value_known' global into 'struct apply_state'
To libify the apply functionality the 'p_value_known' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
dbd23433e7 builtin/apply: move 'p_value' global into 'struct apply_state'
To libify the apply functionality the 'p_value' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
0c1138cbdb builtin/apply: move 'has_include' global into 'struct apply_state'
To libify the apply functionality the 'has_include' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
82f0dfca54 builtin/apply: move 'limit_by_name' global into 'struct apply_state'
To libify the apply functionality the 'limit_by_name' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
b802355863 builtin/apply: move 'patch_input_file' global into 'struct apply_state'
To libify the apply functionality the 'patch_input_file' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
574f5a59d8 builtin/apply: move 'apply' global into 'struct apply_state'
To libify the apply functionality the 'apply' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
a48f9bb1b3 builtin/apply: move 'p_context' global into 'struct apply_state'
To libify the apply functionality the 'p_context' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
a0bfaf0796 builtin/apply: move 'fake_ancestor' global into 'struct apply_state'
To libify the apply functionality the 'fake_ancestor' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

By the way remove a comment about '--index-info' that was renamed
'--build-fake-ancestor' in commit 26b2800768
(apply: get rid of --index-info in favor of --build-fake-ancestor,
Sep 17 2007).

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
f4c9eaa49c builtin/apply: move 'line_termination' global into 'struct apply_state'
To libify the apply functionality the 'line_termination' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
6c0c2bf56c builtin/apply: move 'unsafe_paths' global into 'struct apply_state'
To libify the apply functionality the 'unsafe_paths' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
1ff36a107f builtin/apply: move 'no_add' global into 'struct apply_state'
To libify the apply functionality the 'no_add' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
b12e888f7a builtin/apply: move 'threeway' global into 'struct apply_state'
To libify the apply functionality the 'threeway' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
79a3efda79 builtin/apply: move 'summary' global into 'struct apply_state'
To libify the apply functionality the 'summary' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
179070b91c builtin/apply: move 'numstat' global into 'struct apply_state'
To libify the apply functionality the 'numstat' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
c4f5c39862 builtin/apply: move 'diffstat' global into 'struct apply_state'
To libify the apply functionality the 'diffstat' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
885eefb12d builtin/apply: move 'cached' global into 'struct apply_state'
To libify the apply functionality the 'cached' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
6ca4c39093 builtin/apply: move 'allow_overlap' global into 'struct apply_state'
To libify the apply functionality the 'allow_overlap' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
901f9c6d42 builtin/apply: move 'update_index' global into 'struct apply_state'
To libify the apply functionality the 'update_index' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
5cae882d27 builtin/apply: move 'apply_verbosely' global into 'struct apply_state'
To libify the apply functionality the 'apply_verbosely' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
30b5ae4d41 builtin/apply: move 'apply_with_reject' global into 'struct apply_state'
To libify the apply functionality the 'apply_with_reject' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
2595a8b146 builtin/apply: move 'apply_in_reverse' global into 'struct apply_state'
To libify the apply functionality the 'apply_in_reverse' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
ee87a6e740 builtin/apply: move 'check_index' global into 'struct apply_state'
To libify the apply functionality the 'check_index' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
22a7233584 builtin/apply: move 'check' global into 'struct apply_state'
To libify the apply functionality the 'check' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
1da16e1ed8 builtin/apply: move 'unidiff_zero' global into 'struct apply_state'
To libify the apply functionality the 'unidiff_zero' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Christian Couder
6f27b941f2 builtin/apply: move 'state' init into init_apply_state()
When the apply functionality will be libified, the 'struct apply_state'
will be used by different pieces of code.

To properly initialize a 'struct apply_state', let's provide a nice
and easy to use init_apply_state() function.

Let's also provide clear_apply_state() to release memory used by
'struct apply_state' members, so that a 'struct apply_state' instance
can be easily reused without leaking memory.

Note that clear_apply_state() does nothing for now, but it will later.

While at it, let's rename 'prefix_' parameter to 'prefix'.

Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 10:10:16 -07:00
Junio C Hamano
9ee8f9409c Merge branch 'js/name-rev-use-oldest-ref' into maint
"git describe --contains" often made a hard-to-justify choice of
tag to give name to a given commit, because it tried to come up
with a name with smallest number of hops from a tag, causing an old
commit whose close descendant that is recently tagged were not
described with respect to an old tag but with a newer tag.  It did
not help that its computation of "hop" count was further tweaked to
penalize being on a side branch of a merge.  The logic has been
updated to favor using the tag with the oldest tagger date, which
is a lot easier to explain to the end users: "We describe a commit
in terms of the (chronologically) oldest tag that contains the
commit."

* js/name-rev-use-oldest-ref:
  name-rev: include taggerdate in considering the best name
2016-05-31 14:08:26 -07:00
Junio C Hamano
628991391d Merge branch 'jk/cat-file-buffered-batch-all'
"git cat-file --batch-all" has been sped up, by taking advantage
of the fact that it does not have to read a list of objects, in two
ways.

* jk/cat-file-buffered-batch-all:
  cat-file: default to --buffer when --batch-all-objects is used
  cat-file: avoid noop calls to sha1_object_info_extended
2016-05-31 12:40:54 -07:00
Jordan DE GEA
1a450e2fd1 worktree: allow "-" short-hand for @{-1} in add command
Since `git worktree add` uses `git checkout` when `[<branch>]` is used,
and `git checkout -` is already supported, it makes sense to allow the
same shortcut in `git worktree add`.

Signed-off-by: Jordan DE GEA <jordan.de-gea@grenoble-inp.org>
Signed-off-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-31 12:28:25 -07:00
René Scharfe
2bb73ae803 patch-id: use starts_with() and skip_prefix()
Get rid of magic numbers and avoid running over the end of a NUL
terminated string by using starts_with() and skip_prefix() instead
of memcmp().

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-29 17:10:05 -07:00
René Scharfe
aa20cbc2e6 apply: remove unused parameters from name_terminate()
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-29 17:05:38 -07:00
David Kastrup
17a07e2ae2 blame: require 0 context lines while finding moved lines with -M
The core part of git blame -M required 1 context line, but
there is no rationale to be found in the code; it causes artifacts
like discussed in the thread:

  <http://thread.gmane.org/gmane.comp.version-control.git/255289/>.

<http://permalink.gmane.org/gmane.comp.version-control.git/295795>
sheds some more light on the history of the previous choice.

Signed-off-by: David Kastrup <dak@gnu.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-29 17:04:23 -07:00
Stefan Beller
abed000aca submodule update: learn --[no-]recommend-shallow option
Sometimes the history of a submodule is not considered important by
the projects upstream. To make it easier for downstream users, allow
a boolean field 'submodule.<name>.shallow' in .gitmodules, which can
be used to recommend whether upstream considers the history important.

This field is honored in the initial clone by default, it can be
ignored by giving the `--no-recommend-shallow` option.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-27 10:40:46 -07:00
Junio C Hamano
d07211b5fa Merge branch 'lp/typofixes' into maint
Typofixes.

* lp/typofixes:
  typofix: assorted typofixes in comments, documentation and messages
2016-05-26 13:17:21 -07:00
Junio C Hamano
b262b8f889 Merge branch 'va/i18n-misc-updates' into maint
Mark several messages for translation.

* va/i18n-misc-updates:
  i18n: unpack-trees: avoid substituting only a verb in sentences
  i18n: builtin/pull.c: split strings marked for translation
  i18n: builtin/pull.c: mark placeholders for translation
  i18n: git-parse-remote.sh: mark strings for translation
  i18n: branch: move comment for translators
  i18n: branch: unmark string for translation
  i18n: builtin/rm.c: remove a comma ',' from string
  i18n: unpack-trees: mark strings for translation
  i18n: builtin/branch.c: mark option for translation
  i18n: index-pack: use plural string instead of normal one
2016-05-26 13:17:20 -07:00
Junio C Hamano
6db5205148 Merge branch 'va/i18n-remote-comment-to-align' into maint
Message fix.

* va/i18n-remote-comment-to-align:
  i18n: remote: add comment for translators
2016-05-26 13:17:14 -07:00
Nguyễn Thái Ngọc Duy
0409e0b6dc worktree: simplify prefixing paths
This also makes slash conversion always happen on Windows (a side effect
of prefix_filename). Which is a good thing.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-24 13:19:23 -07:00
Nguyễn Thái Ngọc Duy
ef23c347cf worktree: avoid 0{40}, too many zeroes, hard to read
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-24 13:19:22 -07:00
Nguyễn Thái Ngọc Duy
afb9e30b2c worktree.c: use is_dot_or_dotdot()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-24 13:19:22 -07:00
Nguyễn Thái Ngọc Duy
7b722d906b git-worktree.txt: keep subcommand listing in alphabetical order
This is probably not the best order. But it makes it no-brainer to know
where to insert new commands. At some point we might want to reorder at
least the synopsis part again, grouping commonly use subcommands together.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-24 13:19:22 -07:00
Junio C Hamano
53c4b3ed0e Merge branch 'ar/diff-args-osx-precompose'
Many commands normalize command line arguments from NFD to NFC
variant of UTF-8 on OSX, but commands in the "diff" family did
not, causing "git diff $path" to complain that no such path is
known to Git.  They have been taught to do the normalization.

* ar/diff-args-osx-precompose:
  diff: run arguments through precompose_argv
2016-05-23 14:54:35 -07:00
Junio C Hamano
5d5f1c236b Merge branch 'pb/commit-verbose-config'
"git commit" learned to pay attention to "commit.verbose"
configuration variable and act as if "--verbose" option was
given from the command line.

* pb/commit-verbose-config:
  commit: add a commit.verbose config variable
  t7507-commit-verbose: improve test coverage by testing number of diffs
  parse-options.c: make OPTION_COUNTUP respect "unspecified" values
  t/t7507: improve test coverage
  t0040-parse-options: improve test coverage
  test-parse-options: print quiet as integer
  t0040-test-parse-options.sh: fix style issues
2016-05-23 14:54:32 -07:00
Junio C Hamano
72ce3ff7b5 Merge branch 'xy/format-patch-base'
"git format-patch" learned a new "--base" option to record what
(public, well-known) commit the original series was built on in
its output.

* xy/format-patch-base:
  format-patch: introduce format.useAutoBase configuration
  format-patch: introduce --base=auto option
  format-patch: add '--base' option to record base tree info
  patch-ids: make commit_patch_id() a public helper function
2016-05-23 14:54:31 -07:00
Junio C Hamano
352d72a30e Merge branch 'nd/worktree-various-heads'
The experimental "multiple worktree" feature gains more safety to
forbid operations on a branch that is checked out or being actively
worked on elsewhere, by noticing that e.g. it is being rebased.

* nd/worktree-various-heads:
  branch: do not rename a branch under bisect or rebase
  worktree.c: check whether branch is bisected in another worktree
  wt-status.c: split bisect detection out of wt_status_get_state()
  worktree.c: check whether branch is rebased in another worktree
  worktree.c: avoid referencing to worktrees[i] multiple times
  wt-status.c: make wt_status_check_rebase() work on any worktree
  wt-status.c: split rebase detection out of wt_status_get_state()
  path.c: refactor and add worktree_git_path()
  worktree.c: mark current worktree
  worktree.c: make find_shared_symref() return struct worktree *
  worktree.c: store "id" instead of "git_dir"
  path.c: add git_common_path() and strbuf_git_common_path()
  dir.c: rename str(n)cmp_icase to fspath(n)cmp
2016-05-23 14:54:29 -07:00
Alexander Hirsch
c57e501c51 pull: warn on --verify-signatures with --rebase
git-pull silently ignores the --verify-signatures option when
running --rebase, potentially leaving users in the belief that
the rebase operation would check for valid GPG signatures.

Implementing --verify-signatures for git-rebase was talked about,
but doubts for a valid workflow rose up.  Since you usually merge
other's branches into your branch you might have an interest that
their side has a valid GPG signature.

Rebasing, on the other hand, is to rebuild your branch on top of
other's work, in order to push the result back, and it is too late
to reject their work even if you find their commits lack acceptable
signature.

Let's warn users that the --verify-signatures option is ignored
during "pull --rebase"; users do not wonder what would happen if
their commits lack acceptable signature that way.

Signed-off-by: Alexander Hirsch <1zeeky@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-20 15:01:00 -07:00
Junio C Hamano
66106691a1 Merge branch 'sb/misc-cleanups' into HEAD
* sb/misc-cleanups:
  submodule-config: don't shadow `cache`
  config.c: drop local variable
  credential-cache, send_request: close fd when done
  bundle: don't leak an fd in case of early return
  abbrev_sha1_in_line: don't leak memory
  notes: don't leak memory in git_config_get_notes_strategy
2016-05-18 14:40:15 -07:00
Junio C Hamano
989cbd4556 Merge branch 'ew/doc-split-pack-disables-bitmap' into HEAD
Doc update.

* ew/doc-split-pack-disables-bitmap:
  pack-objects: warn on split packs disabling bitmaps
2016-05-18 14:40:15 -07:00
Junio C Hamano
920f2ea33b Merge branch 'sb/mv-submodule-fix' into HEAD
"git mv old new" did not adjust the path for a submodule that lives
as a subdirectory inside old/ directory correctly.

* sb/mv-submodule-fix:
  mv: allow moving nested submodules
2016-05-18 14:40:05 -07:00
Jeff King
6a36e1e7bb cat-file: default to --buffer when --batch-all-objects is used
Traditionally cat-file's batch-mode does not do any output
buffering. The reason is that a caller may have pipes
connected to its input and output, and would want to use
cat-file interactively, getting output immediately for each
input it sends.

This may involve a lot of small write() calls, which can be
slow. So we introduced --buffer to improve this, but we
can't turn it on by default, as it would break the
interactive case above.

However, when --batch-all-objects is used, we do not read
stdin at all. We generate the output ourselves as quickly as
possible, and then exit. In this case buffering is a strict
win, and it is simply a hassle for the user to have to
remember to specify --buffer.

This patch makes --buffer the default when --batch-all-objects
is used. Specifying "--buffer" manually is still OK, and you
can even override it with "--no-buffer" if you're a
masochist (or debugging).

For some real numbers, running:

  git cat-file --batch-all-objects --batch-check='%(objectname)'

on torvalds/linux goes from:

  real    0m1.464s
  user    0m1.208s
  sys     0m0.252s

to:

  real    0m1.230s
  user    0m1.172s
  sys     0m0.056s

for a 16% speedup.

Suggested-by: Charles Bailey <charles@hashpling.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-18 14:17:39 -07:00
Jeff King
845de33a5b cat-file: avoid noop calls to sha1_object_info_extended
It is not unreasonable to ask cat-file for a batch-check
format of simply "%(objectname)". At first glance this seems
like a noop (you are generally already feeding the object
names on stdin!), but it has a few uses:

  1. With --batch-all-objects, you can generate a listing of
     the sha1s present in the repository, without any input.

  2. You do not have to feed sha1s; you can feed arbitrary
     sha1 expressions and have git resolve them en masse.

  3. You can even feed a raw sha1, with the result that git
     will tell you whether we actually have the object or
     not.

In case 3, the call to sha1_object_info is useful; it tells
us whether the object exists or not (technically we could
swap this out for has_sha1_file, but the cost is roughly the
same).

In case 2, the existence check is of debatable value. A
mass-resolution might prefer performance to safety (against
outputting a value for a corrupted ref, for example).
However, the object lookup cost is likely not as noticeable
compared to the resolution cost. And since we have provided
that safety in the past, the conservative choice is to keep
it.

In case 1, though, the object lookup is a definite noop; we
know about the object because we found it in the object
database. There is no new information gained by making the
call.

This patch detects that case and optimizes out the call.
Here are best-of-five timings for linux.git:

  [before]
  $ time git cat-file --buffer \
                      --batch-all-objects \
                      --batch-check='%(objectname)'
  real    0m2.117s
  user    0m2.044s
  sys     0m0.072s

  [after]
  $ time git cat-file --buffer \
                      --batch-all-objects \
                      --batch-check='%(objectname)'
  real    0m1.230s
  user    0m1.176s
  sys     0m0.052s

There are two implementation details to note here.

One is that we detect the noop case by seeing that "struct
object_info" does not request any information. But besides
object existence, there is one other piece of information
which sha1_object_info may fill in: whether the object is
cached, loose, or packed. We don't currently provide that
information in the output, but if we were to do so later,
we'd need to take note and disable the optimization in that
case.

And that leads to the second note. If we were to output
that information, a better implementation would be to
remember where we saw the object in --batch-all-objects in
the first place, and avoid looking it up again by sha1.

In fact, we could probably squeeze out some extra
performance for less-trivial cases, too, by remembering the
pack location where we saw the object, and going directly
there to find its information (like type, size, etc). That
would in theory make this optimization unnecessary.

I didn't pursue that path here for two reasons:

  1. It's non-trivial to implement, and has memory
     implications. Because we sort and de-dup the list of
     output sha1s, we'd have to record the pack information
     for each object, too.

  2. It doesn't save as much as you might hope. It saves the
     find_pack_entry() call, but getting the size and type
     for deltified objects requires walking down the delta
     chain (for the real type) or reading the delta data
     header (for the size). These costs tend to dominate the
     non-trivial cases.

By contrast, this optimization is easy and self-contained,
and speeds up a real-world case I've used.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-18 14:17:38 -07:00
Junio C Hamano
b7f6142667 Merge branch 'va/i18n-remote-comment-to-align'
Message fix.

* va/i18n-remote-comment-to-align:
  i18n: remote: add comment for translators
2016-05-17 14:38:30 -07:00
Junio C Hamano
40cfc95856 Merge branch 'nd/error-errno'
The code for warning_errno/die_errno has been refactored and a new
error_errno() reporting helper is introduced.

* nd/error-errno: (41 commits)
  wrapper.c: use warning_errno()
  vcs-svn: use error_errno()
  upload-pack.c: use error_errno()
  unpack-trees.c: use error_errno()
  transport-helper.c: use error_errno()
  sha1_file.c: use {error,die,warning}_errno()
  server-info.c: use error_errno()
  sequencer.c: use error_errno()
  run-command.c: use error_errno()
  rerere.c: use error_errno() and warning_errno()
  reachable.c: use error_errno()
  mailmap.c: use error_errno()
  ident.c: use warning_errno()
  http.c: use error_errno() and warning_errno()
  grep.c: use error_errno()
  gpg-interface.c: use error_errno()
  fast-import.c: use error_errno()
  entry.c: use error_errno()
  editor.c: use error_errno()
  diff-no-index.c: use error_errno()
  ...
2016-05-17 14:38:28 -07:00
Junio C Hamano
e059388fb2 Merge branch 'jk/submodule-c-credential'
An earlier addition of "sanitize_submodule_env" with 14111fc4 (git:
submodule honor -c credential.* from command line, 2016-02-29)
turned out to be a convoluted no-op; implement what it wanted to do
correctly, and stop filtering settings given via "git -c var=val".

* jk/submodule-c-credential:
  submodule: stop sanitizing config options
  submodule: use prepare_submodule_repo_env consistently
  submodule--helper: move config-sanitizing to submodule.c
  submodule: export sanitized GIT_CONFIG_PARAMETERS
  t5550: break submodule config test into multiple sub-tests
  t5550: fix typo in $HTTPD_URL
2016-05-17 14:38:25 -07:00
Junio C Hamano
e5e7a9115d Merge branch 'va/i18n-misc-updates'
Mark several messages for translation.

* va/i18n-misc-updates:
  i18n: unpack-trees: avoid substituting only a verb in sentences
  i18n: builtin/pull.c: split strings marked for translation
  i18n: builtin/pull.c: mark placeholders for translation
  i18n: git-parse-remote.sh: mark strings for translation
  i18n: branch: move comment for translators
  i18n: branch: unmark string for translation
  i18n: builtin/rm.c: remove a comma ',' from string
  i18n: unpack-trees: mark strings for translation
  i18n: builtin/branch.c: mark option for translation
  i18n: index-pack: use plural string instead of normal one
2016-05-17 14:38:23 -07:00
Junio C Hamano
3241d4f6fb Merge branch 'lp/typofixes'
* lp/typofixes:
  typofix: assorted typofixes in comments, documentation and messages
2016-05-17 14:38:20 -07:00
Junio C Hamano
f2c96ceb57 Merge branch 'sb/submodule-init'
Update of "git submodule" to move pieces of logic to C continues.

* sb/submodule-init:
  submodule init: redirect stdout to stderr
  submodule--helper update-clone: abort gracefully on missing .gitmodules
  submodule init: fail gracefully with a missing .gitmodules file
  submodule: port init from shell to C
  submodule: port resolve_relative_url from shell to C
2016-05-17 14:38:17 -07:00
Alexander Rinass
90a78b83e0 diff: run arguments through precompose_argv
When running diff commands, a pathspec containing decomposed
unicode code points is not converted to precomposed unicode form
under Mac OS X, but we normalize the paths in the index and the
history to precomposed form on that platform.  As a result, the
pathspec would not match and no diff is shown.

Unlike many builtin commands, the "diff" family of commands do
not use parse_options(), which is how other builtin commands
indirectly call precompose_argv() to normalize argv[] into
precomposed form on Mac OSX.  Teach these commands to call
precompose_argv() themselves.

Note that precomopose_argv() normalizes not just paths but all
command line arguments, so things like "git diff -G $string"
when $string has the decomposed form would first be normalized
into the precomposed form and would stop hitting the same string
in the decomposed form in the diff output with this change.

It is not a problem per-se, as "log" family of commands already use
parse_options() and call precompose_argv()--we can think of this
change as making the "diff" family of commands behave in a similar
way as the commands in the "log" family.

Signed-off-by: Alexander Rinass <alex@fournova.com>
Helped-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-13 14:35:49 -07:00
Junio C Hamano
50b26f5612 Merge branch 'jc/commit-tree-ignore-commit-gpgsign'
"git commit-tree" plumbing command required the user to always sign
its result when the user sets the commit.gpgsign configuration
variable, which was an ancient mistake.  Rework "git rebase" that
relied on this mistake so that it reads commit.gpgsign and pass (or
not pass) the -S option to "git commit-tree" to keep the end-user
expectation the same, while teaching "git commit-tree" to ignore
the configuration variable.  This will stop requiring the users to
sign commit objects used internally as an implementation detail of
"git stash".

* jc/commit-tree-ignore-commit-gpgsign:
  commit-tree: do not pay attention to commit.gpgsign
2016-05-13 13:18:27 -07:00
Christian Couder
2fc0f1849b builtin/apply: introduce 'struct apply_state' to start libifying
Currently commands that want to use the apply functionality have to launch
a "git apply" process which can be bad for performance.

Let's start libifying the apply functionality and to do that we first need
to get rid of the global variables in "builtin/apply.c".

This patch introduces "struct apply_state" into which all the previously
global variables will be moved. A new parameter called "state" that is a
pointer to the "apply_state" structure will come at the beginning of the
helper functions that need it and will be passed around the call chain.

To start let's move the "prefix" and "prefix_length" global variables into
"struct apply_state".

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:21:25 -07:00
Christian Couder
dcde8b3dcd builtin/apply: move 'read_stdin' global into cmd_apply()
The 'read_stdin' variable doesn't need to be static and global to the
file. It can be local to cmd_apply(), so let's move it there.

This will make it easier to libify the apply functionality.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:21:24 -07:00
Christian Couder
d1b27ced9a builtin/apply: move 'options' variable into cmd_apply()
The 'options' variable doesn't need to be static and global to the
file. It can be local to cmd_apply(), so let's move it there.

This will make it easier to libify the apply functionality.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:21:19 -07:00
Christian Couder
7a3eb9e222 builtin/apply: extract line_by_line_fuzzy_match() from match_fragment()
The match_fragment() function is very big and contains a big special case
algorithm that does line by line fuzzy matching. So let's extract this
algorithm in a separate line_by_line_fuzzy_match() function.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:12:48 -07:00
Christian Couder
bb0ba99743 builtin/apply: avoid local variable shadowing 'len' parameter
This is just a cleanup to avoid errors when compiling with -Wshadow and
to make it safer to later move global variables into a "state" struct.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:11:14 -07:00
Christian Couder
eb8fdbff3c builtin/apply: avoid parameter shadowing 'linenr' global
Let's just rename the global 'state_linenr' as it will become
'state->linenr' in a following patch.

This also avoid errors when compiling with -Wshadow and makes
it safer to later move global variables into a "state" struct.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:09:43 -07:00
Christian Couder
560e35468f builtin/apply: avoid parameter shadowing 'p_value' global
Let's just rename the global 'state_p_value' as it will become
'state->p_value' in a following patch.

This also avoid errors when compiling with -Wshadow and makes
it safer to later move global variables into a "state" struct.

Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:07:15 -07:00
Christian Couder
12913a78ce builtin/apply: make gitdiff_verify_name() return void
As the value returned by gitdiff_verify_name() is put into the
same variable that is passed as a parameter to this function,
it is simpler to pass the address of the variable and have
gitdiff_verify_name() change the variable itself.

This also makes it possible to later have this function return
-1 instead of die()ing in case of error.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-12 12:07:11 -07:00
Junio C Hamano
54c2af5aa3 Merge branch 'ew/doc-split-pack-disables-bitmap'
Doc update.

* ew/doc-split-pack-disables-bitmap:
  pack-objects: warn on split packs disabling bitmaps
2016-05-10 13:40:28 -07:00
Pranit Bauva
aaab84203b commit: add a commit.verbose config variable
Add commit.verbose configuration variable as a convenience for those
who always prefer --verbose.

Add tests to check the behavior introduced by this commit and also to
verify that behavior of status doesn't break because of this commit.

Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-10 10:25:52 -07:00
Nguyễn Thái Ngọc Duy
8d19e93094 builtin/worktree.c: use error_errno()
While at there, improve the error message to say _what_ failed to
remove.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
17bef17ef8 builtin/upload-archive.c: use error_errno()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
23d05364fc builtin/update-index.c: prefer "err" to "errno" in process_lstat_error
"errno" is already passed in as "err". Here we should use err instead of
errno. errno is probably a copy/paste mistake in e011054 (Teach
git-update-index about gitlinks - 2007-04-12)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
7dcf3d97fa builtin/rm.c: use warning_errno()
While at there, improve the message a bit (what operation failed?) and
mark it for translation since the format string is now a sentence.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
54d47394b4 builtin/pack-objects.c: use die_errno() and warning_errno()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
62f94d54a9 builtin/merge-file.c: use error_errno()
All these error() calls do not print error message previously, but
because when they are called, errno should be set. Use error_errno()
instead to give more information.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
880c0aef0f builtin/mailsplit.c: use error_errno()
There's one change, in split_mbox(), where an error() without strerror()
as argument is converted to error_errno(). This is correct because the
previous call is fopen (not shown in the context lines), which should
set errno if it returns NULL.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
574774980c builtin/help.c: use warning_errno()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
6da31d7f75 builtin/fetch.c: use error_errno()
A couple of newlines are also removed, because both error() and
error_errno() automatically append a newline.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
896ba1d112 builtin/branch.c: use error_errno()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Nguyễn Thái Ngọc Duy
6e59e9c0a6 builtin/am.c: use error_errno()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:29:08 -07:00
Vasco Almeida
6c1fbe1e41 i18n: remote: add comment for translators
Add comment drawing translator attention in order to align "Push
URL:" and "Fetch URL:" fields translation of git remote show output.

Aligning both fields makes the output more appealing and easier to
grasp.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09 12:20:40 -07:00
Junio C Hamano
8854ded7af Merge branch 'js/replace-edit-use-editor-configuration' into maint
"git replace -e" did not honour "core.editor" configuration.

* js/replace-edit-use-editor-configuration:
  replace --edit: respect core.editor
2016-05-06 14:53:24 -07:00
Junio C Hamano
b450a39bea Merge branch 'cc/apply' into maint
Minor code clean-up.

* cc/apply:
  builtin/apply: free patch when parse_chunk() fails
  builtin/apply: handle parse_binary() failure
  apply: remove unused call to free() in gitdiff_{old,new}name()
  builtin/apply: get rid of useless 'name' variable
2016-05-06 14:53:23 -07:00
Junio C Hamano
8429f2b42d Merge branch 'bc/object-id'
Move from unsigned char[20] to struct object_id continues.

* bc/object-id:
  match-trees: convert several leaf functions to use struct object_id
  tree-walk: convert tree_entry_extract() to use struct object_id
  struct name_entry: use struct object_id instead of unsigned char sha1[20]
  match-trees: convert shift_tree() and shift_tree_by() to use object_id
  test-match-trees: convert to use struct object_id
  sha1-name: introduce a get_oid() function
2016-05-06 14:45:44 -07:00
Junio C Hamano
5f3b21c111 Merge branch 'sb/clone-shallow-passthru'
"git clone" learned "--shallow-submodules" option.

* sb/clone-shallow-passthru:
  clone: add `--shallow-submodules` flag
2016-05-06 14:45:43 -07:00
Li Peng
832c0e5e63 typofix: assorted typofixes in comments, documentation and messages
Many instances of duplicate words (e.g. "the the path") and
a few typoes are fixed, originally in multiple patches.

    wildmatch: fix duplicate words of "the"
    t: fix duplicate words of "output"
    transport-helper: fix duplicate words of "read"
    Git.pm: fix duplicate words of "return"
    path: fix duplicate words of "look"
    pack-protocol.txt: fix duplicate words of "the"
    precompose-utf8: fix typo of "sequences"
    split-index: fix typo
    worktree.c: fix typo
    remote-ext: fix typo
    utf8: fix duplicate words of "the"
    git-cvsserver: fix duplicate words

Signed-off-by: Li Peng <lip@dtdream.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-06 13:16:37 -07:00
Jeff King
89044baa8b submodule: stop sanitizing config options
The point of having a whitelist of command-line config
options to pass to submodules was two-fold:

  1. It prevented obvious nonsense like using core.worktree
     for multiple repos.

  2. It could prevent surprise when the user did not mean
     for the options to leak to the submodules (e.g.,
     http.sslverify=false).

For case 1, the answer is mostly "if it hurts, don't do
that". For case 2, we can note that any such example has a
matching inverted surprise (e.g., a user who meant
http.sslverify=true to apply everywhere, but it didn't).

So this whitelist is probably not giving us any benefit, and
is already creating a hassle as people propose things to put
on it. Let's just drop it entirely.

Note that we still need to keep a special code path for
"prepare the submodule environment", because we still have
to take care to pass through $GIT_CONFIG_PARAMETERS (and
block the rest of the repo-specific environment variables).

We can do this easily from within the submodule shell
script, which lets us drop the submodule--helper option
entirely (and it's OK to do so because as a "--" program, it
is entirely a private implementation detail).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-06 12:54:27 -07:00
Junio C Hamano
309ca68e5a Merge branch 'js/name-rev-use-oldest-ref'
"git describe --contains" often made a hard-to-justify choice of
tag to give name to a given commit, because it tried to come up
with a name with smallest number of hops from a tag, causing an old
commit whose close descendant that is recently tagged were not
described with respect to an old tag but with a newer tag.  It did
not help that its computation of "hop" count was further tweaked to
penalize being on a side branch of a merge.  The logic has been
updated to favor using the tag with the oldest tagger date, which
is a lot easier to explain to the end users: "We describe a commit
in terms of the (chronologically) oldest tag that contains the
commit."

* js/name-rev-use-oldest-ref:
  name-rev: include taggerdate in considering the best name
2016-05-03 14:08:13 -07:00
Junio C Hamano
6694856153 commit-tree: do not pay attention to commit.gpgsign
ba3c69a9 (commit: teach --gpg-sign option, 2011-10-05) introduced a
"signed commit" by teaching the --[no]-gpg-sign option and the
commit.gpgsign configuration variable to various commands that
create commits.

Teaching these to "git commit" and "git merge", both of which are
end-user facing Porcelain commands, was perfectly fine.  Allowing
the plumbing "git commit-tree" to suddenly change the behaviour to
surprise the scripts by paying attention to commit.gpgsign was not.

Among the in-tree scripts, filter-branch, quiltimport, rebase and
stash are the commands that run "commit-tree".  If any of these
wants to allow users to always sign every single commit, they should
offer their own configuration (e.g. "filterBranch.gpgsign") with an
option to disable signing (e.g. "git filter-branch --no-gpgsign").

Ignoring commit.gpgsign option _obviously_ breaks the backward
compatibility, but it is easy to follow the standard pattern in
scripts to honor whatever configuration variable they choose to
follow.  E.g.

	case $(git config --bool commit.gpgsign) in
	true) sign=-S ;;
	*) sign= ;;
	esac &&
	git commit-tree $sign ...whatever other args...

Do so to make sure that "git rebase" keeps paying attention to the
configuration variable, which unfortunately is a documented mistake.

Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-03 10:59:25 -07:00
Stefan Beller
c66410ed32 submodule init: redirect stdout to stderr
Reroute the output of stdout to stderr as it is just informative
messages, not to be consumed by machines.

This should not regress any scripts that try to parse the
current output, as the output is already internationalized
and therefore unstable.

We want to init submodules from the helper for `submodule update`
in a later patch and the stdout output of said helper is consumed
by the parts of `submodule update` which are still written in shell.
So we have to be careful which messages are on stdout.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-03 09:39:45 -07:00
Junio C Hamano
12c5cd774e Merge branch 'ad/commit-have-m-option' into maint
"git commit" misbehaved in a few minor ways when an empty message
is given via -m '', all of which has been corrected.

* ad/commit-have-m-option:
  commit: do not ignore an empty message given by -m ''
  commit: --amend -m '' silently fails to wipe message
2016-05-02 14:24:09 -07:00
Junio C Hamano
f5e16b2a7b Merge branch 'sb/submodule-helper-clone-regression-fix' into maint
A partial rewrite of "git submodule" in the 2.7 timeframe changed
the way the gitdir: pointer in the submodules point at the real
repository location to use absolute paths by accident.  This has
been corrected.

* sb/submodule-helper-clone-regression-fix:
  submodule--helper, module_clone: catch fprintf failure
  submodule--helper: do not borrow absolute_path() result for too long
  submodule--helper, module_clone: always operate on absolute paths
  submodule--helper clone: create the submodule path just once
  submodule--helper: fix potential NULL-dereference
  recursive submodules: test for relative paths
2016-05-02 14:24:08 -07:00
Junio C Hamano
75375ea337 Merge branch 'jk/branch-shortening-funny-symrefs' into maint
A change back in version 2.7 to "git branch" broke display of a
symbolic ref in a non-standard place in the refs/ hierarchy (we
expect symbolic refs to appear in refs/remotes/*/HEAD to point at
the primary branch the remote has, and as .git/HEAD to point at the
branch we locally checked out).

* jk/branch-shortening-funny-symrefs:
  branch: fix shortening of non-remote symrefs
2016-05-02 14:24:07 -07:00
Junio C Hamano
3c383a30c8 Merge branch 'ky/branch-m-worktree' into maint
When "git worktree" feature is in use, "git branch -m" renamed a
branch that is checked out in another worktree without adjusting
the HEAD symbolic ref for the worktree.

* ky/branch-m-worktree:
  set_worktree_head_symref(): fix error message
  branch -m: update all per-worktree HEADs
  refs: add a new function set_worktree_head_symref
2016-05-02 14:24:05 -07:00
Junio C Hamano
a4127142c6 Merge branch 'ky/branch-d-worktree' into maint
When "git worktree" feature is in use, "git branch -d" allowed
deletion of a branch that is checked out in another worktree

* ky/branch-d-worktree:
  branch -d: refuse deleting a branch which is currently checked out
2016-05-02 14:24:05 -07:00
Junio C Hamano
8591654998 Merge branch 'jk/check-repository-format' into maint
The repository set-up sequence has been streamlined (the biggest
change is that there is no longer git_config_early()), so that we
do not attempt to look into refs/* when we know we do not have a
Git repository.

* jk/check-repository-format:
  verify_repository_format: mark messages for translation
  setup: drop repository_format_version global
  setup: unify repository version callbacks
  init: use setup.c's repo version verification
  setup: refactor repo format reading and verification
  config: drop git_config_early
  check_repository_format_gently: stop using git_config_early
  lazily load core.sharedrepository
  wrap shared_repository global in get/set accessors
  setup: document check_repository_format()
2016-05-02 14:24:04 -07:00
Junio C Hamano
002dd773b0 Merge branch 'tb/blame-force-read-cache-to-workaround-safe-crlf' into maint
When running "git blame $path" with unnormalized data in the index
for the path, the data in the working tree was blamed, even though
"git add" would not have changed what is already in the index, due
to "safe crlf" that disables the line-end conversion.  It has been
corrected.

* tb/blame-force-read-cache-to-workaround-safe-crlf:
  correct blame for files commited with CRLF
2016-04-29 14:15:58 -07:00