Commit Graph

38764 Commits

Author SHA1 Message Date
Luis Henriques
2cf770f501 test/send-email: --[no-]xmailer tests
Add tests for the --[no-]xmailer option.

Signed-off-by: Luis Henriques <henrix@camandro.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 15:18:24 -08:00
Luis Henriques
ac1596a684 send-email: add --[no-]xmailer option
Add --[no-]xmailer that allows a user to disable adding the 'X-Mailer:'
header to the email being sent.

Signed-off-by: Luis Henriques <henrix@camandro.org>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 15:17:25 -08:00
Jeff King
a8bec7abcc add--interactive: leave main loop on read error
The main hunk loop for add--interactive will loop if it does
not get a known input. This is a good thing if the user
typed some invalid input. However, if we have an
uncorrectable read error, we'll end up looping infinitely.
We can fix this by noticing read errors (i.e., <STDIN>
returns undef) and breaking out of the loop.

One easy way to trigger this is if you have an editor that
does not take over the terminal (e.g., one that spawns a
window in an existing process and waits), start the editor
with the hunk-edit command, and hit ^C to send SIGINT. The
editor process dies due to SIGINT, but the perl
add--interactive process does not (perl suspends SIGINT for
the duration of our system() call).

We return to the main loop, but further reads from stdin
don't work. The SIGINT _also_ killed our parent git process,
which orphans our process group, meaning that further reads
from the terminal will always fail. We loop infinitely,
getting EIO on each read.

Note that there are several other spots where we read from
stdin, too. However, in each of those cases, we do something
sane when the read returns undef (breaking out of the loop,
taking the input as "no", etc). They don't need similar
treatment.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 10:12:20 -08:00
Peter van der Does
0e5ed7cca3 Update documentation occurrences of filename .sh
Documentation in the completion scripts for Bash and Zsh state the wrong filenames.

Signed-off-by: Peter van der Does <peter@avirtualhome.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 09:37:14 -08:00
Роман Донченко
ab47e2a583 send-email: handle adjacent RFC 2047-encoded words properly
The RFC says that they are to be concatenated after decoding (i.e. the
intervening whitespace is ignored).

Signed-off-by: Роман Донченко <dpb@corrigendum.ru>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 09:06:40 -08:00
Роман Донченко
11f70a7e29 send-email: align RFC 2047 decoding more closely with the spec
More specifically:

* Add "\" to the list of characters not allowed in a token (see RFC 2047
  errata).

* Share regexes between unquote_rfc2047 and is_rfc2047_quoted. Besides
  removing duplication, this also makes unquote_rfc2047 more stringent.

* Allow both "q" and "Q" to identify the encoding.

* Allow lowercase hexadecimal digits in the "Q" encoding.

And, more on the cosmetic side:

* Change the "encoded-text" regex to exclude rather than include characters,
  for clarity and consistency with "token".

Signed-off-by: Роман Донченко <dpb@corrigendum.ru>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 09:06:39 -08:00
Philip Oakley
1be976eeb4 doc: core.ignoreStat clarify the --assume-unchanged effect
The assume-unchanged bit can be misunderstood. Be assertive about
the expectation that file changes should update that flag.

Signed-off-by: Philip Oakley <philipoakley@iee.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 15:23:08 -08:00
Justin Guenther
9dd70e0a0d git-prompt.sh: make $f local to __git_eread()
This function uses (non-local) $f to store the value of its first parameter.
This can interfere with the user's environment.

Signed-off-by: Justin Guenther <jguenther@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 15:13:37 -08:00
Junio C Hamano
9abc44b681 Second batch for 2.3 cycle
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 14:37:33 -08:00
Junio C Hamano
3889e7a60c Merge branch 'jk/pack-bitmap'
* jk/pack-bitmap:
  pack-bitmap: do not use gcc packed attribute
2014-12-12 14:31:42 -08:00
Junio C Hamano
23c0956441 Merge branch 'jk/push-simple'
Git 2.0 was supposed to make the "simple" mode for the default of
"git push", but it didn't.

* jk/push-simple:
  push: truly use "simple" as default, not "upstream"
2014-12-12 14:31:40 -08:00
Junio C Hamano
0ddedd4d6b Merge branch 'da/difftool-mergetool-simplify-reporting-status'
Code simplification.

* da/difftool-mergetool-simplify-reporting-status:
  mergetools: stop setting $status in merge_cmd()
  mergetool: simplify conditionals
  difftool--helper: add explicit exit statement
  mergetool--lib: remove use of $status global
  mergetool--lib: remove no-op assignment to $status from setup_user_tool
2014-12-12 14:31:39 -08:00
Junio C Hamano
e886efdb34 Merge branch 'jk/colors-fix'
* jk/colors-fix:
  t4026: test "normal" color
  config: fix parsing of "git config --get-color some.key -1"
  docs: describe ANSI 256-color mode
2014-12-12 14:31:39 -08:00
Junio C Hamano
bb87344a74 Merge branch 'rt/push-recurse-submodule-usage-string'
* rt/push-recurse-submodule-usage-string:
  builtin/push.c: fix description of --recurse-submodules option
2014-12-12 14:31:38 -08:00
Junio C Hamano
974df59986 Merge branch 'jk/rebuild-perl-scripts-with-no-perl-seting-change'
The build procedure did not bother fixing perl and python scripts
when NO_PERL and NO_PYTHON build-time configuration changed.

* jk/rebuild-perl-scripts-with-no-perl-seting-change:
  Makefile: have python scripts depend on NO_PYTHON setting
  Makefile: simplify by using SCRIPT_{PERL,SH}_GEN macros
  Makefile: have perl scripts depend on NO_PERL setting
2014-12-12 14:31:37 -08:00
Junio C Hamano
f54629e7b6 Merge branch 'jk/no-perl-tests'
Some tests that depend on perl lacked PERL prerequisite to protect
them, breaking build with NO_PERL configuration.

* jk/no-perl-tests:
  t960[34]: mark cvsimport tests as requiring perl
  t0090: mark add-interactive test with PERL prerequisite
2014-12-12 14:31:36 -08:00
Junio C Hamano
aa6bdbb62f Merge branch 'sv/typofix-apply-error-message'
* sv/typofix-apply-error-message:
  apply: fix typo in an error message
2014-12-12 14:31:35 -08:00
Junio C Hamano
b690b87ce3 Merge branch 'po/everyday-doc'
* po/everyday-doc:
  Documentation: change "gitlink" typo in git-push
2014-12-12 14:31:34 -08:00
Junio C Hamano
11078d66d9 Merge branch 'mh/config-copy-string-from-git-path'
* mh/config-copy-string-from-git-path:
  cmd_config(): make a copy of path obtained from git_path()
2014-12-12 14:31:33 -08:00
Junio C Hamano
c09988ad94 Merge branch 'jc/unpack-trees-plug-leak'
* jc/unpack-trees-plug-leak:
  unpack_trees: plug leakage of o->result
2014-12-12 14:31:33 -08:00
Junio C Hamano
4b0bf39dd5 tests: squelch noise from GPG machinery set-up
It is distracting to let the GPG message while setting up the test
gpghome leak into the test output, especially without running these
tests with "-v" option.

The splitting of RFC1991 prerequiste part is about future-proofing.
When we want to define other kinds of specific prerequisites in the
future, we'd prefer to see it done separately from the basic set-up
code.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 13:54:05 -08:00
Christian Hesse
1e3eefbc8d tests: replace binary GPG keyrings with ASCII-armored keys
Importing PGP key public and security ring works, but we do not have
all secret keys in one binary blob and all public keys in another.
Instead import public and secret keys for one key pair from a text
file that holds ASCII-armored export of them.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 13:51:54 -08:00
Michael Haggerty
b729effbdb expire_reflog(): treat the policy callback data as opaque
Now that expire_reflog() doesn't actually look in the
expire_reflog_policy_cb data structure, we can make it opaque:

* Change the callers of expire_reflog() to pass it a pointer to an
  entire "struct expire_reflog_policy_cb" rather than a pointer to a
  "struct cmd_reflog_expire_cb".

* Change expire_reflog() to accept the argument as a "void *" and
  simply pass it through to the policy functions.

* Change the policy functions, reflog_expiry_prepare(),
  reflog_expiry_cleanup(), and should_expire_reflog_ent(), to accept
  "void *cb_data" arguments and cast them back to "struct
  expire_reflog_policy_cb" internally.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:51 -08:00
Michael Haggerty
82a645a73f Move newlog and last_kept_sha1 to "struct expire_reflog_cb"
These members are not needed by the policy functions.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:50 -08:00
Michael Haggerty
553daf13ea expire_reflog(): move rewrite to flags argument
The policy objects don't care about "--rewrite". So move it to
expire_reflog()'s flags parameter.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:50 -08:00
Michael Haggerty
bc11155cea expire_reflog(): move verbose to flags argument
The policy objects don't care about "--verbose". So move it to
expire_reflog()'s flags parameter.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:50 -08:00
Michael Haggerty
8c22dd3254 expire_reflog(): pass flags through to expire_reflog_ent()
Add a flags field to "struct expire_reflog_cb", and pass the flags
argument through to expire_reflog_ent(). In a moment we will start
using it to pass through flags that expire_reflog_ent() needs.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:49 -08:00
Michael Haggerty
ddd64c566d struct expire_reflog_cb: a new callback data type
Add a new data type, "struct expire_reflog_cb", for holding the data
that expire_reflog() passes to expire_reflog_ent() via
for_each_reflog_ent(). For now it only holds a pointer to a "struct
expire_reflog_policy_cb", which still contains all of the actual data.
In future commits we will move some fields from the latter to the
former.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:49 -08:00
Michael Haggerty
ea7b4f6d33 Rename expire_reflog_cb to expire_reflog_policy_cb
This is the first step towards separating the data needed by the
policy code from the data needed by the reflog expiration machinery.

(In a moment we will add a *new* "struct expire_reflog_cb" for the use
of expire_reflog() itself, then move fields selectively from
expire_reflog_policy_cb to expire_reflog_cb.)

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:49 -08:00
Michael Haggerty
c4c4fbf86c expire_reflog(): move updateref to flags argument
The policy objects don't care about "--updateref". So move it to
expire_reflog()'s flags parameter.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:48 -08:00
Michael Haggerty
98f31d8589 expire_reflog(): move dry_run to flags argument
The policy objects don't care about "--dry-run". So move it to
expire_reflog()'s flags parameter.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:48 -08:00
Michael Haggerty
aba56c89b2 expire_reflog(): add a "flags" argument
We want to separate the options relevant to the expiry machinery from
the options affecting the expiration policy. So add a "flags" argument
to expire_reflog() to hold the former.

The argument doesn't yet do anything.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:48 -08:00
Michael Haggerty
c48a163535 expire_reflog(): extract two policy-related functions
Extract two functions, reflog_expiry_prepare() and
reflog_expiry_cleanup(), from expire_reflog(). This is a further step
towards separating the code for deciding on expiration policy from the
code that manages the physical deletion of reflog entries.

This change requires a couple of local variables from expire_reflog()
to be turned into fields of "struct expire_reflog_cb". More
reorganization of the callback data will follow in later commits.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:48 -08:00
Michael Haggerty
60cc3c4072 Extract function should_expire_reflog_ent()
Extract from expire_reflog_ent() a function that is solely responsible
for deciding whether a reflog entry should be expired. By separating
this "business logic" from the mechanics of actually expiring entries,
we are working towards the goal of encapsulating reflog expiry within
the refs API, with policy decided by a callback function passed to it
by its caller.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:47 -08:00
Michael Haggerty
f3b661f766 expire_reflog(): use a lock_file for rewriting the reflog file
We don't actually need the locking functionality, because we already
hold the lock on the reference itself, which is how the reflog file is
locked. But the lock_file code can do some of the bookkeeping for us,
and it is more careful than the old code here was. For example:

* It correctly handles the case that the reflog lock file already
  exists for some reason or cannot be opened.

* It correctly cleans up the lockfile if the program dies.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:47 -08:00
Michael Haggerty
2e376b3156 expire_reflog(): return early if the reference has no reflog
There is very little cleanup needed if the reference has no reflog. If
we move the initialization of log_file down a bit, there's even less.
So instead of jumping to the cleanup code at the end of the function,
just do the cleanup and return inline.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:47 -08:00
Michael Haggerty
524127afbf expire_reflog(): rename "ref" parameter to "refname"
This is our usual convention.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:43:40 -08:00
Michael Haggerty
55dfc8de18 expire_reflog(): it's not an each_ref_fn anymore
Prior to v1.5.4~14, expire_reflog() had to be an each_ref_fn because
it was passed to for_each_reflog(). Since then, there has been no
reason for it to implement the each_ref_fn interface. So...

* Remove the "unused" parameter (which took the place of "flags", but
  was really unused).

* Declare the last parameter to be (struct cmd_reflog_expire_cb *)
  rather than (void *).

Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:42:59 -08:00
Ronnie Sahlberg
2c6207abbd refs.c: add a function to append a reflog entry to a fd
Break out the code to create the string and writing it to the file
descriptor from log_ref_write and add it into a dedicated function
log_ref_write_fd. It is a nice unit of work.

For now this is only used from log_ref_write, but in the future it
might have other callers.

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:42:00 -08:00
René Scharfe
a0d4923ddf use strbuf_complete_line() for adding a newline if needed
Call strbuf_complete_line() instead of open-coding it.  Also remove
surrounding comments indicating the intent to complete a line since
this information is already included in the function name.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 11:23:45 -08:00
Christian Hesse
c0e0ed6efe tests: skip RFC1991 tests for gnupg 2.1
GnuPG >= 2.1.0 no longer supports RFC1991, so skip these tests.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 10:26:08 -08:00
Christian Hesse
b41a36e635 tests: create gpg homedir on the fly
GnuPG 2.1 homedir looks different, so just create it on the fly by
importing needed private and public keys and ownertrust.

This solves an issue with gnupg 2.1 running interactive pinentry
when old secret key is present.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 10:23:36 -08:00
Jeff King
c83a5099c8 commit: always populate GIT_AUTHOR_* variables
To figure out the author ident for a commit, we call
determine_author_info(). This function collects information
from the environment, other commits (in the case of
"--amend" or "-c/-C"), and the "--author" option. It then
uses fmt_ident to generate the final ident string that goes
into the commit object. fmt_ident is therefore responsible
for any quality or validation checks on what is allowed to
go into a commit.

Before returning, though, we call split_ident_line on the
result, and feed the individual components to hooks via the
GIT_AUTHOR_* variables. Furthermore, we do extra validation
by feeding the split to sane_ident_split(), which is pickier
than fmt_ident (in particular, it will complain about an empty
email field).  If this parsing or validation fails, we skip
updating the environment variables.

This is bad, because it means that hooks may silently see a
different ident than what we are putting into the commit. We
should drop the extra sane_ident_split checks entirely, and
take whatever fmt_ident has fed us (and what will go into
the commit object).

If parsing fails, we should actually abort here rather than
continuing (and feeding the hooks bogus data). However,
split_ident_line should never fail here. The ident was just
generated by fmt_ident, so we know that it's sane. We can
use assert_split_ident to double-check this.

Note that we also teach that assertion to check that we
found a date (it always should, but until now, no caller
cared whether we found a date or not). Checking the return
value of sane_ident_split is enough to ensure we have the
name/email pointers set, and checking date_begin is enough
to know that all of the date/tz variables are set.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 15:34:37 -08:00
Jeff King
fac908389d commit: loosen ident checks when generating template
When we generate the commit-message template, we try to
report an author or committer ident that will be of interest
to the user: an author that does not match the committer, or
a committer that was auto-configured.

When doing so, if we encounter what we consider to be a
bogus ident, we immediately die. This is a bad idea, because
our use of the idents here is purely informational.  Any
ident rules should be enforced elsewhere, because commits
that do not invoke the editor will not even hit this code
path (e.g., "git commit -mfoo" would work, but "git commit"
would not). So at best, we are redundant with other checks,
and at worse, we actively prevent commits that should
otherwise be allowed.

We should therefore do the minimal parsing we can to get a
value and not do any validation (i.e., drop the call to
sane_ident_split()).

In theory we could notice when even our minimal parsing
fails to work, and do the sane thing for each check (e.g.,
if we have an author but can't parse the committer, assume
they are different and print the author). But we can
actually simplify this even further.

We know that the author and committer strings we are parsing
have been generated by us earlier in the program, and
therefore they must be parseable. We could just call
split_ident_line without even checking its return value,
knowing that it will put _something_ in the name/mail
fields. Of course, to protect ourselves against future
changes to the code, it makes sense to turn this into an
assert, so we are not surprised if our assumption fails.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 15:34:35 -08:00
Nguyễn Thái Ngọc Duy
f2667a8330 index-format.txt: add a missing closing quote
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 14:24:37 -08:00
Jeff King
b0f4c9087e t: support clang/gcc AddressSanitizer
When git is compiled with "-fsanitize=address" (using clang
or gcc >= 4.8), all invocations of git will check for buffer
overflows. This is similar to running with valgrind, except
that it is more thorough (because of the compiler support,
function-local buffers can be checked, too) and runs much
faster (making it much less painful to run the whole test
suite with the checks turned on).

Unlike valgrind, the magic happens at compile-time, so we
don't need the same infrastructure in the test suite that we
did to support --valgrind. But there are two things we can
help with:

  1. On some platforms, the leak-detector is on by default,
     and causes every invocation of "git init" (and thus
     every test script) to fail. Since running git with
     the leak detector is pointless, let's shut it off
     automatically in the tests, unless the user has already
     configured it.

  2. When apache runs a CGI, it clears the environment of
     unknown variables. This means that the $ASAN_OPTIONS
     config doesn't make it to git-http-backend, and it
     dies due to the leak detector. Let's mark the variable
     as OK for apache to pass.

With these two changes, running

    make CC=clang CFLAGS=-fsanitize=address test

works out of the box.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 14:13:17 -08:00
Michael Haggerty
0e729c7ed5 update-ref: fix "verify" command with missing <oldvalue>
If "git update-ref --stdin" was given a "verify" command with no
"<newvalue>" at all (not even zeros), the code was mistakenly setting
have_old=0 (and leaving old_sha1 uninitialized). But this is
incorrect: this command is supposed to verify that the reference
doesn't exist. So in this case we really need old_sha1 to be set to
null_sha1 and have_old to be set to 1.

Moreover, since have_old was being set to zero, *no* check of the old
value was being done, so the new value of the reference was being set
unconditionally to the value in new_sha1. new_sha1, in turn, was set
to null_sha1 in the expectation that that was the old value and it
shouldn't be changed. But because the precondition was not being
checked, the result was that the reference was being deleted
unconditionally.

So, if <oldvalue> is missing, set have_old unconditionally and set
old_sha1 to null_sha1.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Acked-by: Brad King <brad.king@kitware.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 11:56:53 -08:00
Michael Haggerty
a46e41fca3 t1400: add some more tests of "update-ref --stdin"'s verify command
Two of the tests fail because

    verify refs/heads/foo

with no argument (not even zeros) actually *deletes* refs/heads/foo.
This problem will be fixed in the next commit.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 11:56:26 -08:00
Onno Kortmann
97f05f43dc Show number of TODO items for interactive rebase
During 'rebase -i', one wrong edit in a long rebase session
might inadvertently drop commits/items. This change shows
the total number of TODO items in the comments after the
list. After performing the rebase edit, total item counts
can be compared to make sure that no changes have been lost
in the edit.

Signed-off-by: Onno Kortmann <onno@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-10 13:17:38 -08:00
Jeff King
8e9faf27c1 pkt-line: allow writing of LARGE_PACKET_MAX buffers
When we send out pkt-lines with refnames, we use a static
1000-byte buffer. This means that the maximum size of a ref
over the git protocol is around 950 bytes (the exact size
depends on the protocol line being written, but figure on a sha1
plus some boilerplate).

This is enough for any sane workflow, but occasionally odd
things happen (e.g., a bug may create a ref "foo/foo/foo/..."
accidentally).  With the current code, you cannot even use
"push" to delete such a ref from a remote.

Let's switch to using a strbuf, with a hard-limit of
LARGE_PACKET_MAX (which is specified by the protocol).  This
matches the size of the readers, as of 74543a0 (pkt-line:
provide a LARGE_PACKET_MAX static buffer, 2013-02-20).
Versions of git older than that will complain about our
large packets, but it's really no worse than the current
behavior. Right now the sender barfs with "impossibly long
line" trying to send the packet, and afterwards the reader
will barf with "protocol error: bad line length %d", which
is arguably better anyway.

Note that we're not really _solving_ the problem here, but
just bumping the limits. In theory, the length of a ref is
unbounded, and pkt-line can only represent sizes up to
65531 bytes. So we are just bumping the limit, not removing
it.  But hopefully 64K should be enough for anyone.

As a bonus, by using a strbuf for the formatting we can
eliminate an unnecessary copy in format_buf_write.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-10 13:09:21 -08:00