Commit Graph

10886 Commits

Author SHA1 Message Date
Junio C Hamano
577bff3a81 Merge branch 'kn/attr-from-tree'
"git check-attr" learned to take an optional tree-ish to read the
.gitattributes file from.

* kn/attr-from-tree:
  attr: add flag `--source` to work with tree-ish
  t0003: move setup for `--all` into new block
2023-01-23 13:39:51 -08:00
Junio C Hamano
8a40af9cab Merge branch 'rs/ls-tree-path-expansion-fix'
"git ls-tree --format='%(path) %(path)' $tree $path" showed the
path three times, which has been corrected.

* rs/ls-tree-path-expansion-fix:
  ls-tree: remove dead store and strbuf for quote_c_style()
  ls-tree: fix expansion of repeated %(path)
2023-01-23 13:39:50 -08:00
Junio C Hamano
8844c1125e Merge branch 'ab/cache-api-cleanup'
Code clean-up to tighten the use of in-core index in the API.

* ab/cache-api-cleanup:
  cache API: add a "INDEX_STATE_INIT" macro/function, add release_index()
  read-cache.c: refactor set_new_index_sparsity() for subsequent commit
  sparse-index API: BUG() out on NULL ensure_full_index()
  sparse-index.c: expand_to_path() can assume non-NULL "istate"
  builtin/difftool.c: { 0 }-initialize rather than using memset()
2023-01-23 13:39:49 -08:00
Junio C Hamano
30b4e5c888 Merge branch 'ab/bisect-cleanup'
Code clean-up.

* ab/bisect-cleanup:
  bisect: no longer try to clean up left-over `.git/head-name` files
  bisect: remove Cogito-related code
  bisect run: fix the error message
  bisect: verify that a bogus option won't try to start a bisection
  bisect--helper: make the order consistently `argc, argv`
  bisect--helper: simplify exit code computation
2023-01-21 17:22:01 -08:00
Junio C Hamano
38a49aba90 Merge branch 'tl/ls-tree-code-clean-up'
Code clean-up.

* tl/ls-tree-code-clean-up:
  t3104: remove shift code in 'test_ls_tree_format'
  ls-tree: cleanup the redundant SPACE
  ls-tree: make "line_termination" less generic
  ls-tree: fold "show_tree_data" into "cb" struct
  ls-tree: use a "struct options"
  ls-tree: don't use "show_tree_data" for "fast" callbacks
2023-01-21 17:22:00 -08:00
Junio C Hamano
e28d5d2160 Merge branch 'pw/rebase-exec-cleanup'
Code clean-up.

* pw/rebase-exec-cleanup:
  rebase: cleanup "--exec" option handling
2023-01-21 17:22:00 -08:00
Junio C Hamano
df786f6efe Merge branch 'sk/merge-filtering-strategies-micro-optim'
Micro optimization.

* sk/merge-filtering-strategies-micro-optim:
  merge: break out of all_strategy loop when strategy is found
2023-01-21 17:21:59 -08:00
Junio C Hamano
60ce816cb6 Merge branch 'rs/dup-array'
Code cleaning.

* rs/dup-array:
  use DUP_ARRAY
  add DUP_ARRAY
  do full type check in BARF_UNLESS_COPYABLE
  factor out BARF_UNLESS_COPYABLE
  mingw: make argv2 in try_shell_exec() non-const
2023-01-21 17:21:58 -08:00
Junio C Hamano
eaebc89f88 Merge branch 'jk/strncmp-to-api-funcs'
Code clean-up.

* jk/strncmp-to-api-funcs:
  convert trivial uses of strncmp() to skip_prefix()
  convert trivial uses of strncmp() to starts_with()
2023-01-16 12:07:47 -08:00
Junio C Hamano
3ed618f28f Merge branch 'ar/dup-words-fixes'
Typofixes.

* ar/dup-words-fixes:
  *: fix typos which duplicate a word
2023-01-16 12:07:47 -08:00
Junio C Hamano
b242e89dff Merge branch 'tr/am--no-verify'
Conditionally skip the pre-applypatch and applypatch-msg hooks when
applying patches with 'git am'.

* tr/am--no-verify:
  am: allow passing --no-verify flag
2023-01-16 12:07:46 -08:00
Ævar Arnfjörð Bjarmason
2f6b1eb794 cache API: add a "INDEX_STATE_INIT" macro/function, add release_index()
Hopefully in some not so distant future, we'll get advantages from always
initializing the "repo" member of the "struct index_state". To make
that easier let's introduce an initialization macro & function.

The various ad-hoc initialization of the structure can then be changed
over to it, and we can remove the various "0" assignments in
discard_index() in favor of calling index_state_init() at the end.

While not strictly necessary, let's also change the CALLOC_ARRAY() of
various "struct index_state *" to use an ALLOC_ARRAY() followed by
index_state_init() instead.

We're then adding the release_index() function and converting some
callers (including some of these allocations) over to it if they
either won't need to use their "struct index_state" again, or are just
about to call index_state_init().

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-16 10:46:58 -08:00
René Scharfe
c388fcda99 ls-tree: remove dead store and strbuf for quote_c_style()
Stop initializing "name" because it is set again before use.

Let quote_c_style() write directly to "sb" instead of taking a detour
through "quoted".  This avoids an allocation and a string copy.  The
result is the same because the function only appends.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-14 19:22:26 -08:00
René Scharfe
16fb5c54bd ls-tree: fix expansion of repeated %(path)
expand_show_tree() borrows the base strbuf given to us by read_tree() to
build the full path of the current entry when handling %(path).  Only
its indirect caller, show_tree_fmt(), removes the added entry name.
That works fine as long as %(path) is only included once in the format
string, but accumulates duplicates if it's repeated:

   $ git ls-tree --format='%(path) %(path) %(path)' HEAD M*
   Makefile MakefileMakefile MakefileMakefileMakefile

Reset the length after each use to get the same expansion every time;
here's the behavior with this patch:

   $ ./git ls-tree --format='%(path) %(path) %(path)' HEAD M*
   Makefile Makefile Makefile

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-14 19:22:26 -08:00
Karthik Nayak
47cfc9bd7d attr: add flag --source to work with tree-ish
The contents of the .gitattributes files may evolve over time, but "git
check-attr" always checks attributes against them in the working tree
and/or in the index. It may be beneficial to optionally allow the users
to check attributes taken from a commit other than HEAD against paths.

Add a new flag `--source` which will allow users to check the
attributes against a commit (actually any tree-ish would do). When the
user uses this flag, we go through the stack of .gitattributes files but
instead of checking the current working tree and/or in the index, we
check the blobs from the provided tree-ish object. This allows the
command to also be used in bare repositories.

Since we use a tree-ish object, the user can pass "--source
HEAD:subdirectory" and all the attributes will be looked up as if
subdirectory was the root directory of the repository.

We cannot simply use the `<rev>:<path>` syntax without the `--source`
flag, similar to how it is used in `git show` because any non-flag
parameter before `--` is treated as an attribute and any parameter after
`--` is treated as a pathname.

The change involves creating a new function `read_attr_from_blob`, which
given the path reads the blob for the path against the provided source and
parses the attributes line by line. This function is plugged into
`read_attr()` function wherein we go through the stack of attributes
files.

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Toon Claes <toon@iotcl.com>
Co-authored-by: toon@iotcl.com
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-14 08:49:55 -08:00
Teng Long
925a7c6b6b ls-tree: cleanup the redundant SPACE
An redundant space was found in ls-tree.c, which is no doubt
a small change, but it might be OK to make a commit on its own.

Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 15:09:23 -08:00
Ævar Arnfjörð Bjarmason
e6c75d8dd7 ls-tree: make "line_termination" less generic
The "ls-tree" command isn't capable of ending "lines" with anything
except '\n' or '\0', and in the latter case we can avoid calling
write_name_quoted_relative() entirely. Let's do that, less for
optimization and more for clarity, the write_name_quoted_relative()
API itself does much the same thing.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 15:09:23 -08:00
Ævar Arnfjörð Bjarmason
65d1f6c9fa ls-tree: fold "show_tree_data" into "cb" struct
After the the preceding two commits the only user of the
"show_tree_data" struct needed it along with the "options" member,
let's instead fold all of that into a "show_tree_data" struct that
we'll use only for that callback.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 15:09:23 -08:00
Ævar Arnfjörð Bjarmason
030a3d5d9e ls-tree: use a "struct options"
As a first step towards being able to turn this code into an API some
day let's change the "static" options in builtin/ls-tree.c into a
"struct ls_tree_options" that can be constructed dynamically without
the help of parse_options().

Because we're now using non-static variables for this we'll need to
clear_pathspec() at the end of cmd_ls_tree(), least various tests
start failing under SANITIZE=leak. The memory leak was already there
before, now it's just being brought to the surface.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 15:09:22 -08:00
Ævar Arnfjörð Bjarmason
7677417b57 ls-tree: don't use "show_tree_data" for "fast" callbacks
As noted in [1] the code that made it in as part of
9c4d58ff2c (ls-tree: split up "fast path" callbacks, 2022-03-23) was
a "maybe a good idea, maybe not" RFC-quality patch. I hadn't looked
very carefully at the resulting patterns.

The implementation shared the "struct show_tree_data data", which was
introduced in e81517155e (ls-tree: introduce struct "show_tree_data",
2022-03-23) both for use in 455923e0a1 (ls-tree: introduce "--format"
option, 2022-03-23), and because the "fat" callback hadn't been split
up as 9c4d58ff2c did.

Now that that's been done we can see that most of what
show_tree_common() was doing could be done lazily by the callbacks
themselves, who in the pre-image were often using an odd mis-match of
their own arguments and those same arguments stuck into the "data"
structure. Let's also have the callers initialize the "type", rather
than grabbing it from the "data" structure afterwards.

1. https://lore.kernel.org/git/cover-0.7-00000000000-20220310T134811Z-avarab@gmail.com/

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyronteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 15:09:22 -08:00
Johannes Schindelin
70d3dbfea9 bisect: remove Cogito-related code
Once upon a time, there was this idea that Git would not actually be a
single coherent program, but rather a set of low-level programs that
users cobble together via shell scripts, or develop high-level user
interfaces for Git, or both.

Cogito was such a high-level user interface, incidentally implemented
via shell scripts that cobble together Git calls.

It did turn out relatively quickly that Git would much rather provide a
useful high-level user interface itself.

As of April 19th, 2007, Cogito was therefore discontinued (see
https://lore.kernel.org/git/20070419124648.GL4489@pasky.or.cz/).

Nevertheless, for almost 15 years after that announcement, Git carried
special code in `git bisect` to accommodate Cogito.

Since it is beyond doubt that there are no more Cogito users, let's
remove the last remnant of Cogito-accommodating code.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 14:17:14 -08:00
Johannes Schindelin
4de06fbd56 bisect run: fix the error message
In d1bbbe45df (bisect--helper: reimplement `bisect_run` shell function
in C, 2021-09-13), we ported the `bisect run` subcommand to C, including
the part that prints out an error message when the implicit `git bisect
bad` or `git bisect good` failed.

However, the error message was supposed to print out whether the state
was "good" or "bad", but used a bogus (because non-populated) `args`
variable for it. This was fixed in [1], but as of [2] (when
`bisect--helper` was changed to the present `bisect-state') the error
message still talks about implementation details that should not
concern end users.

Fix that, and add a regression test to ensure that the intended form of
the error message.

1. 80c2e9657f (bisect--helper: report actual bisect_state() argument
   on error, 2022-01-18
2. f37d0bdd42 (bisect: fix output regressions in v2.30.0, 2022-11-10)

Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 14:17:14 -08:00
Ævar Arnfjörð Bjarmason
6f97792285 bisect--helper: make the order consistently argc, argv
In C, the natural order is for `argc` to come before `argv` by virtue of
the `main()` function declaring the parameters in precisely that order.

It is confusing & distracting, then, when readers familiar with the C
language read code where that order is switched around.

Let's just change the order and avoid that type of developer friction.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 14:17:13 -08:00
Johannes Schindelin
7a8d7aaa47 bisect--helper: simplify exit code computation
We _already_ have a function to determine whether a given `enum
bisect_error` value is non-zero but still _actually_ indicates success.

Let's use it instead of duplicating the logic.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 14:17:13 -08:00
Phillip Wood
e57d2c5937 rebase: cleanup "--exec" option handling
When handling "--exec" rebase collects the commands into a struct
string_list, then prepends "exec " to each command creating a multi line
string and finally splits that string back into a list of commands. This
is an artifact of the scripted rebase and the need to support "rebase
--preserve-merges". Now that "--preserve-merges" no-longer exists we can
cleanup the way the argument is handled. There is no need to add the
"exec " prefix to the commands as that is added by todo_list_to_strbuf().

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 12:23:14 -08:00
Ævar Arnfjörð Bjarmason
0dda3ac925 builtin/difftool.c: { 0 }-initialize rather than using memset()
Refactor an initialization of a variable added in
03831ef7b5 (difftool: implement the functionality in the builtin,
2017-01-19). This refactoring makes a subsequent change smaller.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 10:36:57 -08:00
Seija Kijin
0c75692ebc merge: break out of all_strategy loop when strategy is found
Once we find a match, there is no point to try finding the second
match in the inner loop.  Break out of the loop once we find the
first match.

Signed-off-by: Seija Kijin <doremylover123@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-13 10:24:57 -08:00
René Scharfe
6e57841096 use DUP_ARRAY
Add a semantic patch for replace ALLOC_ARRAY+COPY_ARRAY with DUP_ARRAY
to reduce code duplication and apply its results.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-09 13:28:36 +09:00
Jeff King
d43b99322b convert trivial uses of strncmp() to skip_prefix()
As with the previous patch, using skip_prefix() is more readable and
less error-prone than a raw strncmp(), because it avoids a
manually-computed length. These cases differ from the previous patch
that uses starts_with() because they care about the value after the
matched prefix.

We can convert these to use skip_prefix() by introducing an extra
variable to hold the out-pointer.

Note in the case in ws.c that to get rid of the magic number "9"
completely, we also switch out "len" for recomputing the pointer
difference. These are equivalent because "len" is always "ep - string".

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-08 10:34:37 +09:00
Jeff King
20869d1a1d convert trivial uses of strncmp() to starts_with()
It's more readable to use starts_with() instead of strncmp() to match a
prefix, as the latter requires a manually-computed length, and has the
funny "matching is zero" return value common to cmp functions.  This
patch converts several cases which were found with:

  git grep 'strncmp(.*, [0-9]*)'

But note that it doesn't convert all such cases. There are several where
the magic length number is repeated elsewhere in the code, like:

  /* handle "buf" which isn't NUL-terminated and might be too small */
  if (len >= 3 && !strncmp(buf, "foo", 3))

or:

  /* exact match for "foo", but within a larger string */
  if (end - buf == 3 && !strncmp(buf, "foo", 3))

While it would not produce the wrong outcome to use starts_with() in
these cases, we'd still be left with one instance of "3". We're better
to leave them for now, as the repeated "3" makes it clear that the two
are linked (there may be other refactorings that handle both, but
they're out of scope for this patch).

A few things to note while reading the patch:

  - all cases but one are trying to match, and so lose the extra "!".
    The case in the first hunk of urlmatch.c is not-matching, and hence
    gains a "!".

  - the case in remote-fd.c is matching the beginning of "connect foo",
    but we never look at str+8 to parse the "foo" part (which would make
    this a candidate for skip_prefix(), not starts_with()). This seems
    at first glance like a bug, but is a limitation of how remote-fd
    works.

  - the second hunk in urlmatch.c shows some cases adjacent to other
    strncmp() calls that are left. These are of the "exact match within
    a larger string" type, as described above.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-08 10:34:35 +09:00
Andrei Rybak
b39a84185e *: fix typos which duplicate a word
Fix typos in code comments which repeat various words.  Most of the
cases are simple in that they repeat a word that usually cannot be
repeated in a grammatically correct sentence.  Just remove the
incorrectly duplicated word in these cases and rewrap text, if needed.

A tricky case is usage of "that that", which is sometimes grammatically
correct.  However, an instance of this in "t7527-builtin-fsmonitor.sh"
doesn't need two words "that", because there is only one daemon being
discussed, so replace the second "that" with "the".

Reword code comment "entries exist on on-disk index" in function
update_one in file cache-tree.c, by replacing incorrect preposition "on"
with "in".

Signed-off-by: Andrei Rybak <rybak.a.v@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-08 10:28:34 +09:00
Junio C Hamano
d4c5400865 Merge branch 'ab/no-more-git-global-super-prefix'
Stop using "git --super-prefix" and narrow the scope of its use to
the submodule--helper.

* ab/no-more-git-global-super-prefix:
  read-tree: add "--super-prefix" option, eliminate global
  submodule--helper: convert "{update,clone}" to their own "--super-prefix"
  submodule--helper: convert "status" to its own "--super-prefix"
  submodule--helper: convert "sync" to its own "--super-prefix"
  submodule--helper: convert "foreach" to its own "--super-prefix"
  submodule--helper: don't use global --super-prefix in "absorbgitdirs"
  submodule.c & submodule--helper: pass along "super_prefix" param
  read-tree + fetch tests: test failing "--super-prefix" interaction
  submodule absorbgitdirs tests: add missing "Migrating git..." tests
2023-01-05 15:07:23 +09:00
Junio C Hamano
bc58ebf84e Merge branch 'ab/bundle-wo-args'
Fix to a small regression in 2.38 days.

* ab/bundle-wo-args:
  bundle <cmd>: have usage_msg_opt() note the missing "<file>"
  builtin/bundle.c: remove superfluous "newargc" variable
  bundle: don't segfault on "git bundle <subcmd>"
2023-01-05 15:07:22 +09:00
Junio C Hamano
319c3abadb Merge branch 'sa/cat-file-mailmap--batch-check'
'cat-file' gains mailmap support for its '--batch-check' and '-s'
options.

* sa/cat-file-mailmap--batch-check:
  cat-file: add mailmap support to --batch-check option
  cat-file: add mailmap support to -s option
2023-01-05 15:07:17 +09:00
Thierry Reding
566902f2db am: allow passing --no-verify flag
The git-am --no-verify flag is analogous to the same flag passed to
git-commit. It bypasses the pre-applypatch and applypatch-msg hooks
if they are enabled.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-05 14:52:25 +09:00
Junio C Hamano
e83d57e34a Merge branch 'ew/format-patch-mboxrd'
"git format-patch" learned to honor format.mboxrd even when sending
patches to the standard output stream,

* ew/format-patch-mboxrd:
  format-patch: support format.mboxrd with --stdout
2023-01-02 21:37:19 +09:00
Junio C Hamano
0903d8bbde Merge branch 'ds/bundle-uri-4'
Bundle URIs part 4.

* ds/bundle-uri-4:
  clone: unbundle the advertised bundles
  bundle-uri: download bundles from an advertised list
  bundle-uri: allow relative URLs in bundle lists
  strbuf: introduce strbuf_strip_file_from_path()
  bundle-uri: serve bundle.* keys from config
  bundle-uri client: add helper for testing server
  transport: rename got_remote_heads
  bundle-uri client: add boolean transfer.bundleURI setting
  clone: request the 'bundle-uri' command when available
  t: create test harness for 'bundle-uri' command
  protocol v2: add server-side "bundle-uri" skeleton
2023-01-02 21:37:18 +09:00
Junio C Hamano
48475f43a0 Merge branch 'sa/git-var-sequence-editor'
Just like "git var GIT_EDITOR" abstracts the complex logic to
choose which editor gets used behind it, "git var" now give support
to GIT_SEQUENCE_EDITOR.

* sa/git-var-sequence-editor:
  var: add GIT_SEQUENCE_EDITOR variable
2022-12-28 12:06:17 +09:00
Ævar Arnfjörð Bjarmason
6d5e9e53aa bundle <cmd>: have usage_msg_opt() note the missing "<file>"
Improve the usage we emit on e.g. "git bundle create" to note why
we're showing the usage, it's because the "<file>" argument is
missing.

We know that'll be the case for all parse_options_cmd_bundle() users,
as they're passing the "char **bundle_file" parameter, which as the
context shows we're expected to populate.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-28 08:30:52 +09:00
Ævar Arnfjörð Bjarmason
e778ecbcee builtin/bundle.c: remove superfluous "newargc" variable
As noted in 891cb09db6 (bundle: don't segfault on "git bundle
<subcmd>", 2022-12-20) the "newargc" in this function is redundant to
using our own "argc". Let's refactor the function to avoid needlessly
introducing another variable.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-28 08:30:01 +09:00
Junio C Hamano
d8e406449a Merge branch 'rs/am-parse-options-cleanup'
Code clean-up.

* rs/am-parse-options-cleanup:
  am: don't pass strvec to apply_parse_options()
2022-12-26 11:42:05 +09:00
Junio C Hamano
179547932f Merge branch 'jk/unused-post-2.39'
Code clean-up around unused function parameters.

* jk/unused-post-2.39:
  userdiff: mark unused parameter in internal callback
  list-objects-filter: mark unused parameters in virtual functions
  diff: mark unused parameters in callbacks
  xdiff: mark unused parameter in xdl_call_hunk_func()
  xdiff: drop unused parameter in def_ff()
  ws: drop unused parameter from ws_blank_line()
  list-objects: drop process_gitlink() function
  blob: drop unused parts of parse_blob_buffer()
  ls-refs: use repository parameter to iterate refs
2022-12-26 11:42:05 +09:00
Ævar Arnfjörð Bjarmason
4002ec3dcf read-tree: add "--super-prefix" option, eliminate global
The "--super-prefix" option to "git" was initially added in [1] for
use with "ls-files"[2], and shortly thereafter "submodule--helper"[3]
and "grep"[4]. It wasn't until [5] that "read-tree" made use of it.

At the time [5] made sense, but since then we've made "ls-files"
recurse in-process in [6], "grep" in [7], and finally
"submodule--helper" in the preceding commits.

Let's also remove it from "read-tree", which allows us to remove the
option to "git" itself.

We can do this because the only remaining user of it is the submodule
API, which will now invoke "read-tree" with its new "--super-prefix"
option. It will only do so when the "submodule_move_head()" function
is called.

That "submodule_move_head()" function was then only invoked by
"read-tree" itself, but now rather than setting an environment
variable to pass "--super-prefix" between cmd_read_tree() we:

- Set a new "super_prefix" in "struct unpack_trees_options". The
  "super_prefixed()" function in "unpack-trees.c" added in [5] will now
  use this, rather than get_super_prefix() looking up the environment
  variable we set earlier in the same process.

- Add the same field to the "struct checkout", which is only needed to
  ferry the "super_prefix" in the "struct unpack_trees_options" all the
  way down to the "entry.c" callers of "submodule_move_head()".

  Those calls which used the super prefix all originated in
  "cmd_read_tree()". The only other caller is the "unlink_entry()"
  caller in "builtin/checkout.c", which now passes a "NULL".

1. 74866d7579 (git: make super-prefix option, 2016-10-07)
2. e77aa336f1 (ls-files: optionally recurse into submodules, 2016-10-07)
3. 89c8626557 (submodule helper: support super prefix, 2016-12-08)
4. 0281e487fd (grep: optionally recurse into submodules, 2016-12-16)
5. 3d415425c7 (unpack-trees: support super-prefix option, 2017-01-17)
6. 188dce131f (ls-files: use repository object, 2017-06-22)
7. f9ee2fcdfa (grep: recurse in-process using 'struct repository', 2017-08-02)

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-26 10:21:44 +09:00
Ævar Arnfjörð Bjarmason
f5a6be9d54 submodule--helper: convert "{update,clone}" to their own "--super-prefix"
As with a preceding commit to convert "absorbgitdirs", we can convert
"submodule--helper status" to use its own "--super-prefix", instead of
relying on the global "--super-prefix" argument to "git".

We need to convert both of these away from the global "--super-prefix"
at the same time, because "update" will call "clone", but "clone"
itself didn't make use of the global "--super-prefix" for displaying
paths. It was only on the list of sub-commands that accepted it
because "update"'s use of it would set it in its environment.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-26 10:21:44 +09:00
Ævar Arnfjörð Bjarmason
04f1fab4a1 submodule--helper: convert "status" to its own "--super-prefix"
As with a preceding commit to convert "absorbgitdirs", we can convert
"submodule--helper status" to use its own "--super-prefix", instead of
relying on the global "--super-prefix" argument to "git" itself. See
that earlier commit for the rationale and background.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-26 10:21:44 +09:00
Ævar Arnfjörð Bjarmason
99a32d87f8 submodule--helper: convert "sync" to its own "--super-prefix"
As with a preceding commit to convert "absorbgitdirs", we can convert
"submodule--helper sync" to use its own "--super-prefix", instead of
relying on the global "--super-prefix" argument to "git" itself. See
that earlier commit for the rationale and background.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-26 10:21:44 +09:00
Ævar Arnfjörð Bjarmason
677c981260 submodule--helper: convert "foreach" to its own "--super-prefix"
As with a preceding commit to convert "absorbgitdirs", we can convert
"submodule--helper foreach" to use its own "--super-prefix", instead
of relying on the global "--super-prefix" argument to "git"
itself. See that earlier commit for the rationale and background.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-26 10:21:44 +09:00
Ævar Arnfjörð Bjarmason
bb61a962d2 submodule--helper: don't use global --super-prefix in "absorbgitdirs"
The "--super-prefix" facility was introduced in [1] has always been a
transitory hack, which is why we've made it an error to supply it as
an option to "git" to commands that don't know about it.

That's been a good goal, as it has a global effect we haven't wanted
calls to get_super_prefix() from built-ins we didn't expect.

But it has meant that when we've had chains of different built-ins
using it all of the processes in that "chain" have needed to support
it, and worse processes that don't need it have needed to ask for
"SUPPORT_SUPER_PREFIX" because their parent process needs it.

That's how "fsmonitor--daemon" ended up with it, per [2] it's called
from (among other things) "submodule--helper absorbgitdirs", but as we
declared "submodule--helper" as "SUPPORT_SUPER_PREFIX" we needed to
declare "fsmonitor--daemon" as accepting it too, even though it
doesn't care about it.

But in the case of "absorbgitdirs" it only needed "--super-prefix" to
invoke itself recursively, and we'd never have another "in-between"
process in the chain. So we didn't need the bigger hammer of "git
--super-prefix", and the "setenv(GIT_SUPER_PREFIX_ENVIRONMENT, ...)"
that it entails.

Let's instead accept a hidden "--super-prefix" option to
"submodule--helper absorbgitdirs" itself.

Eventually (as with all other "--super-prefix" users) we'll want to
clean this code up so that this all happens in-process. I.e. needing
any variant of "--super-prefix" is itself a hack around our various
global state, and implicit reliance on "the_repository". This stepping
stone makes such an eventual change easier, as we'll need to deal with
less global state at that point.

The "fsmonitor--daemon" test adjusted here was added in [3]. To assert
that it didn't run into the "--super-prefix" message it was asserting
the output it didn't have. Let's instead assert the full output that
we *do* have, using the same pattern as a preceding change to
"t/t7412-submodule-absorbgitdirs.sh" used.

We could also remove the test entirely (as [4] did), but even though
the initial reason for having it is gone we're still getting some
marginal benefit from testing the "fsmonitor" and "submodule
absorbgitdirs" interaction, so let's keep it.

The change here to have either a NULL or non-"" string as a
"super_prefix" instead of the previous arrangement of "" or non-"" is
somewhat arbitrary. We could also decide to never have to check for
NULL.

As we'll be changing the rest of the "git --super-prefix" users to the
same pattern, leaving them all consistent makes sense. Why not pick ""
over NULL? Because that's how the "prefix" works[5], and having
"prefix" and "super_prefix" work the same way will be less
confusing. That "prefix" picked NULL instead of "" is itself
arbitrary, but as it's easy to make this small bit of our overall API
consistent, let's go with that.

1. 74866d7579 (git: make super-prefix option, 2016-10-07)
2. 53fcfbc84f (fsmonitor--daemon: allow --super-prefix argument,
   2022-05-26)
3. 53fcfbc84f (fsmonitor--daemon: allow --super-prefix argument,
   2022-05-26)
4. https://lore.kernel.org/git/20221109004708.97668-5-chooglen@google.com/
5. 9725c8dda2 (built-ins: trust the "prefix" from run_builtin(),
   2022-02-16)

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-26 10:21:43 +09:00
Ævar Arnfjörð Bjarmason
f0a5e5ad57 submodule.c & submodule--helper: pass along "super_prefix" param
Start passing the "super_prefix" along as a parameter to
get_submodule_displaypath() and absorb_git_dir_into_superproject(),
rather than get the value directly as a global.

This is in preparation for subsequent commits, where we'll gradually
phase out get_super_prefix() for an alternative way of getting the
"super_prefix".

Most of the users of this get a get_super_prefix() value, either
directly or by indirection. The exceptions are:

- builtin/rm.c: Doesn't declare SUPPORT_SUPER_PREFIX, so we'd have
  died if this was provided, so it's safe to pass "NULL".

- deinit_submodule(): The "deinit_submodule()" function has never been
  able to use the "git -super-prefix". It will call
  "absorb_git_dir_into_superproject()", but it will only do so from the
  top-level project.

  If "absorbgitdirs" recurses will use the "path" passed to
  "absorb_git_dir_into_superproject()" in "deinit_submodule()" as its
  starting "--super-prefix". So we can safely remove the
  get_super_prefix() call here, and pass NULL instead.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-26 10:21:43 +09:00
Eric Wong
4810946f60 format-patch: support format.mboxrd with --stdout
mboxrd is a more robust output format when used with --stdout
and needs more exposure.  Introducing this config knob lets
users choose the more robust format for all their --stdout
uses.

Relying on --pretty=mboxrd and including all of pretty-formats.txt
in the `git format-patch' documentation would likely be
confusing to users.  Furthermore, this setting is useful across
multiple invocations.  So introduce `format.mboxrd' as a boolean
configuration knob that changes the default --pretty=email format
to --pretty=mboxrd when (and only when) --stdout is in use.

Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-25 16:32:45 +09:00