Commit Graph

68575 Commits

Author SHA1 Message Date
Phillip Wood
aa1df8146d rebase --keep-base: imply --no-fork-point
Given the name of the option it is confusing if --keep-base actually
changes the base of the branch without --fork-point being explicitly
given on the command line.

The combination of --keep-base with an explicit --fork-point is still
supported even though --fork-point means we do not keep the same base
if the upstream branch has been rewound.  We do this in case anyone is
relying on this behavior which is tested in t3431[1]

[1] https://lore.kernel.org/git/20200715032014.GA10818@generichostname/

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:53:03 -07:00
Phillip Wood
ce5238a690 rebase --keep-base: imply --reapply-cherry-picks
As --keep-base does not rebase the branch it is confusing if it
removes commits that have been cherry-picked to the upstream branch.
As --reapply-cherry-picks is not supported by the "apply" backend this
commit ensures that cherry-picks are reapplied by forcing the upstream
commit to match the onto commit unless --no-reapply-cherry-picks is
given.

Reported-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:53:03 -07:00
Phillip Wood
d42c9ffa0f rebase: factor out branch_base calculation
Separate out calculating the merge base between 'onto' and 'HEAD' from
the check for whether we can fast-forward or not. This means we can skip
the fast-forward checks when the rebase is forced and avoid calculating
the merge-base between 'HEAD' and 'onto' when --keep-base is given.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:53:03 -07:00
Phillip Wood
a77060218d rebase: rename merge_base to branch_base
merge_base is not a very descriptive name, the variable always holds
the merge-base of 'branch' and 'onto' which is commit at the base of
the branch being rebased so rename it to branch_base.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:53:03 -07:00
Phillip Wood
f21becdd94 rebase: store orig_head as a commit
Using a struct commit rather than a struct oid to hold orig_head means
that we error out straight away if the branch being rebased does not
point to a commit. It also simplifies the code that handles finding
the merge base and fork point as it no longer has to convert from an
oid to a commit.

To avoid changing the behavior of "git rebase <upstream> <branch>" we
keep the existing call to read_ref() and use lookup_commit_object()
on the oid returned by that rather than calling
lookup_commit_reference_by_name() which applies the ref dwim rules to
its argument.

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:53:03 -07:00
Phillip Wood
b8dbfd030c rebase: be stricter when reading state files containing oids
The state files for 'onto' and 'orig_head' should contain a full hex
oid, change the reading functions from get_oid() to get_oid_hex() to
reflect this. They should also name commits and not tags so add and use
a function that looks up a commit from an oid like
lookup_commit_reference() but without dereferencing tags.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:53:00 -07:00
Phillip Wood
05ec41855d t3416: set $EDITOR in subshell
As $EDITOR is exported, setting it in one test affects all subsequent
tests. Avoid this by always setting it in a subshell. Also remove a
couple of unnecessary call to set_fake_editor where the editor does
not change the todo list.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:45:09 -07:00
Phillip Wood
96601a26b4 t3416: tighten two tests
Add a check for the correct error message to the tests that check we
require a single merge base so we can be sure the rebase failed for
the correct reason. Also rename the tests to reflect what they are
testing.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-17 11:45:09 -07:00
Nsengiyumva Wilberforce
8d2863e4ed t1002: modernize outdated conditional
Tests in this script use an unusual and hard to reason about
conditional construct

    if expression; then false; else :; fi

Change them to use more idiomatic construct:

    ! expression

Cc: Christian Couder  <christian.couder@gmail.com>
Cc: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: Nsengiyumva  Wilberforce <nsengiyumvawilberforce@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-14 09:16:50 -07:00
Taylor Blau
e9c3839944 pack-bitmap-write.c: instrument number of reused bitmaps
When debugging bitmap generation performance, it is useful to know how
many bitmaps were generated from scratch, and how many were the result
of permuting the bit-order of an existing bitmap.

Keep track of the latter, and emit the count as a trace2_data line to
aid in debugging.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 13:35:08 -07:00
Taylor Blau
2dcff52524 midx.c: instrument MIDX and bitmap generation with trace2 regions
When debugging MIDX and MIDX-bitmap related issues, it is useful to
figure out where Git is spending its time.

GitHub has been using the below trace2 regions to instrument various
components of generating a MIDX itself, as well time spent preparing to
build a MIDX bitmap.

These are limited to instrumenting the following functions:

  - midx.c::find_commits_for_midx_bitmap()
  - midx.c::midx_pack_order()
  - midx.c::prepare_midx_packing_data()
  - midx.c::write_midx_bitmap()
  - midx.c::write_midx_internal()
  - midx.c::write_midx_reverse_index()

to start and end with a trace2_region_enter() and trace2_region_leave(),
respectively.

The category for all of these is "midx", which matches the existing
convention. The region description matches the name of the function.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 13:35:07 -07:00
Taylor Blau
1dc4f1ef0d midx.c: consider annotated tags during bitmap selection
When generating a multi-pack bitmap without a `--refs-snapshot` (e.g.,
by running `git multi-pack-index write --bitmap` directly), we determine
the set of bitmap-able commits by enumerating each reference, and adding
the referrent as the tip of a reachability traversal when it appears
somewhere in the MIDX. (Any commit we encounter during the reachability
traversal then becomes a candidate for bitmap selection).

But we incorrectly avoid peeling the object at the tip of each
reference. So if we see some reference that points at an annotated tag
(which in turn points through zero or more additional annotated tags at
a commit), that we will not add it as a tip for the reachability
traversal. This means that if some commit C is only referenced through
one or more annotated tag(s), then C won't become a bitmap candidate.

Correct this by peeling the reference tips as we enumerate them to
ensure that we consider commits which are the targets of annotated tags,
in addition to commits which are referenced directly.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 13:35:05 -07:00
Taylor Blau
a8437f3cb1 midx.c: fix whitespace typo
This was unintentionally introduced via 893b563505 (midx: inline
nth_midxed_pack_entry(), 2021-09-11) where "struct repository *r"
became "struct repository * r".

The latter does not adhere to our usual style conventions, so fix that
up to look more like our usual declarations.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 13:35:03 -07:00
Glen Choo
ecec57b3c9 config: respect includes in protected config
Protected config is implemented by reading a fixed set of paths,
which ignores config [include]-s. Replace this implementation with a
call to config_with_options(), which handles [include]-s and saves us
from duplicating the logic of 1) identifying which paths to read and 2)
reading command line config.

As a result, git_configset_add_parameters() is unused, so remove it. It
was introduced alongside protected config in 5b3c650777 (config: learn
`git_protected_config()`, 2022-07-14) as a way to handle command line
config.

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 11:39:46 -07:00
Ævar Arnfjörð Bjarmason
a0343f3002 tests: assert consistent whitespace in -h output
Add a test for the *.txt and *.c output assertions which asserts that
for "-h" lines that aren't the "usage: " or " or: " lines they start
with the same amount of whitespace. This ensures that we won't have
buggy output like:

   [...]
   or: git tag [-n[<num>]]
               [...]
       [--create-reflog] [...]

Which should instead be like this, i.e. the options lines should be
aligned:

   [...]
   or: git tag [-n[<num>]]
               [...]
               [--create-reflog] [...]

It would be better to be able to use "test_cmp" here, i.e. to
construct the output we expect, and compare it against the actual
output.

For most built-in commands this would be rather straightforward. In
"t0450-txt-doc-vs-help.sh" we already compute the whitespace that a
"git-$builtin" needs, and strip away "usage: " or " or: " from the
start of lines. The problem is:

 * For commands that implement subcommands, such as "git bundle", we
   don't know whether e.g. "git bundle create" is the subcommand
   "create", or the argument "create" to "bundle" for the purposes of
   alignment.

   We *do* have that information from the *.txt version, since the
   part within the ''-quotes should be the command & subcommand, but
   that isn't consistent (e.g. see "git bundle" and "git
   commit-graph", only the latter is correct), and parsing that out
   would be non-trivial.

 * If we were to make this stricter we have various
   non-parse_options() users (e.g. "git diff-tree") that don't have the
   nicely aligned output which we've had since
   4631cfc20b (parse-options: properly align continued usage output,
   2021-09-21).

So rather than make perfect the enemy of the good let's assert that
for those lines that are indented they should all use the same
indentation.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:58 -07:00
Ævar Arnfjörð Bjarmason
c39fffc1c9 tests: start asserting that *.txt SYNOPSIS matches -h output
There's been a lot of incremental effort to make the SYNOPSIS output
in our documentation consistent with the -h output,
e.g. cbe485298b (git reflog [expire|delete]: make -h output
consistent with SYNOPSIS, 2022-03-17) is one recent example, but that
effort has been an uphill battle due to the lack of regression
testing.

This adds such regression testing, we can parse out the SYNOPSIS
output with "sed", and it turns out it's relatively easy to normalize
it and the "-h" output to match on another.

We now ensure that we won't have regressions when it comes to the list
of commands in "expect_help_to_match_txt" below, and in subsequent
commits we'll make more of them consistent.

The naïve parser here gets quite a few things wrong, but it doesn't
need to be perfect, just good enough that we can compare /some/ of
this help output. There's no cases where the output would match except
for the parser's stupidity, it's all cases of e.g. comparing the *.txt
to non-parse_options() output.

Since that output is wildly different than the *.txt anyway let's
leave this for now, we can fix the parser some other time, or it won't
become necessary as we'll e.g. convert more things to using
parse_options().

Having a special-case for "merge-tree"'s 1f0c3a29da (merge-tree:
implement real merges, 2022-06-18) is a bit ugly, but preferred to
blessing that " (deprecated)" pattern for other commands. We'd
probably want to add some other way of marking deprecated commands in
the SYNOPSIS syntax. Syntactically 1f0c3a29da3's way of doing it is
indistinguishable from the command taking an optional literal
"deprecated" string as an argument.

Some of the issues that are left:

 * "git show -h", "git whatchanged -h" and "git reflog --oneline -h"
   all showing "git log" and "git show" usage output. I.e. the
   "builtin_log_usage" in builtin/log.c doesn't take into account what
   command we're running.

 * Commands which implement subcommands such as like
   "multi-pack-index", "notes", "remote" etc. having their subcommands
   in a very different order in the *.txt and *.c. Fixing it would
   require some verbose diffs, so it's been left alone for now.

 * Commands such as "format-patch" have a very long argument list in
   the *.txt, but just "[<options>]" in the *.c.

   What to do about these has been left out of this series, except to
   the extent that preceding commits changed "[<options>]" (or
   equivalent) to the list of options in cases where that list of
   options was tiny, or we clearly meant to exhaustively list the
   options in both *.txt and *.c.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:58 -07:00
Ævar Arnfjörð Bjarmason
97f03a5628 doc txt & -h consistency: make "worktree" consistent
Make the "worktree" -h output consistent with the *.txt version.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:58 -07:00
Ævar Arnfjörð Bjarmason
0afd556b2e worktree: define subcommand -h in terms of command -h
Avoid repeating the "-h" output for the "git worktree" command, and
instead define the usage of each subcommand with macros, so that the
"-h" output for the command itself can re-use those definitions. See
[1], [2] and [3] for prior art using the same pattern.

1. b25b727494 (builtin/multi-pack-index.c: define common usage with a
   macro, 2021-03-30)
2. 8757b35d44 (commit-graph: define common usage with a macro,
   2021-08-23)
3. 1e91d3faf6 (reflog: move "usage" variables and use macros,
   2022-03-17)

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:58 -07:00
Ævar Arnfjörð Bjarmason
4618d2ca82 reflog doc: list real subcommands up-front
Change the "git reflog" documentation to exhaustively list the
subcommands it accepts in the SYNOPSIS, as opposed to leaving that for
a "[verse]" in the DESCRIPTION section. This documentation style was
added in cf39f54efc (git reflog show, 2007-02-08), but isn't how
other commands which take subcommands are documented.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:58 -07:00
Ævar Arnfjörð Bjarmason
423be1f83c doc txt & -h consistency: make "commit" consistent
Make the "-h" output of "git commit" consistent with the *.txt version
by exhaustively listing the options that it takes.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:58 -07:00
Ævar Arnfjörð Bjarmason
320ee66de8 doc txt & -h consistency: make "diff-tree" consistent
Make the "diff-tree -h" output consistent with the *.txt version.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:57 -07:00
Ævar Arnfjörð Bjarmason
463ea0cfae doc txt & -h consistency: use "[<label>...]" for "zero or more"
Correct uses of "<label>..." where we really meant to say
"[<label>...]", i.e. the command in question taken an optional set of
"<label>". As the CodingGuidelines notes "[o]ptional parts [should be]
enclosed in square brackets".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:57 -07:00
Ævar Arnfjörð Bjarmason
df8738116f doc txt & -h consistency: make "annotate" consistent
The cmd_blame() already detected whether it was processing "blame" or
"annotate", but it didn't adjust its usage output accordingly. Let's
do that.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:57 -07:00
Ævar Arnfjörð Bjarmason
951ec747d4 doc txt & -h consistency: make "stash" consistent
Amend both the -h output and *.txt to match one another. In this case
the *.txt didn't list the "save" subcommand, and the "-h" was
similarly missing some commands.

Let's also convert the *.c code to use a macro definition, similar to
that used in preceding commits. This avoids duplication.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:57 -07:00
Ævar Arnfjörð Bjarmason
d9054a19ed doc txt & -h consistency: add missing options
Change those built-in commands that were attempting to exhaustively
list the options in the "-h" output to actually do so, and always
have *.txt documentation know about the exhaustive list of options.

Let's also fix the documentation and -h output for those built-in
commands where the *.txt and -h output was a mismatch of missing
options on both sides.

In the case of "interpret-trailers" fixing the missing options reveals
that the *.txt version was implicitly claiming that the command had
two operating modes, which a look at the -h version (and studying the
documentation) will show is not the case.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:57 -07:00
Ævar Arnfjörð Bjarmason
3e4ebe3a40 doc txt & -h consistency: use "git foo" form, not "git-foo"
Use the "git cmd" form instead of "git-cmd" for both "git
receive-pack" and "git credential-cache--daemon".

For "git-receive-pack" we do have a binary with that name, even when
installed with SKIP_DASHED_BUILT_INS=YesPlease, but for the purposes
of the SYNOPSIS let's use the "git cmd" form like everywhere else. It
can be invoked like that (and our tests do so), the parts of our
documentation that explain when you need to use the dashed form do so,
and use it.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:57 -07:00
Ævar Arnfjörð Bjarmason
a5748670e3 doc txt & -h consistency: make "bundle" consistent
Amend the -h output to match that of the *.txt output, the differences
were fairly small. In the case of "[<options>]" we only have a few of
them, so let's exhaustively list them as in the *.txt.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:57 -07:00
Ævar Arnfjörð Bjarmason
e8eeda1f9e doc txt & -h consistency: make "read-tree" consistent
The C version was right to use "()" in place of "[]" around the option
listing, let's update the *.txt version accordingly, and furthermore
list the *.c options in the same order as the *.txt.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason
d7756184c9 doc txt & -h consistency: make "rerere" consistent
For "rerere" say "pathspec" consistently, and list the subcommands in
the order that they're discussed in the "COMMANDS" section of the
documentation.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason
8c9e292dc0 doc txt & -h consistency: add missing options and labels
Fix various issues of SYNOPSIS and -h output syntax where:

 * Options such as --force were missing entirely
 * ...or the short option, such as -f

 * We said "opts" or "options", but could instead enumerate
   the (small) set of supported options

 * Options that were missing entirely (ls-remote's --sort=<key>)

   As we can specify "--sort" multiple times (it's backed by a
   string-list" it should really be "[(--sort=<key>)...]", which is
   what "git for-each-ref" lists it as, but let's leave that issue for
   a subsequent cleanup, and stop at making these consistent. Other
   "ref-filter.h" users share the same issue, e.g. "git-branch.txt".

 * For "verify-tag" and "verify-commit" we were missing the "--raw"
   option.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason
8f5f2f646a doc txt & -h consistency: make output order consistent
Fix cases where the SYNOPSIS and -h output was presented in a
different order.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason
c08cfc395f doc txt & -h consistency: add or fix optional "--" syntax
Add the "[--]" for those cases where the *.txt and -h were
inconsistent, or where we incorrectly stated in one but not the other
that the "--" was mandatory.

In the case of "rev-list" both sides were wrong, as we we don't
require one or more paths if "--" is used, e.g. this is OK:

	git rev-list HEAD --

That part of this change is not a "doc txt & -h consistency" change,
as we're changing both versions, doing so here makes both sides
consistent.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason
f6a8ef0700 doc txt & -h consistency: fix mismatching labels
Fix various inconsistencies between command SYNOPSIS and the
corresponding -h output where our translatable labels didn't match
up.

In some cases we need to adjust the prose that follows the SYNOPSIS
accordingly, as it refers back to the changed label.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason
a0c3244796 doc SYNOPSIS & -h: use "-" to separate words in labels, not "_"
Change "builtin/credential-cache--daemon.c" to use "<socket-path>" not
"<socket_path>" in a placeholder label, almost all of our
documentation uses this form.

This is now consistent with the "If a placeholder has multiple words,
they are separated by dashes" guideline added in
9c9b4f2f8b (standardize usage info string format, 2015-01-13), let's
add a now-passing test to assert that that's the case.

To do this we need to introduce a very sed-powered parser to extract
the SYNOPSIS from the *.txt, and handle not all commands with "-h"
having a corresponding *.txt (e.g. "bisect--helper"). We'll still want
to handle syntax edge cases in the *.txt in subsequent commits for
other checks, but let's do that then.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason
23a9235d52 doc txt & -h consistency: use "<options>", not "<options>..."
It's arguably more correct to say "[<option>...]" than either of these
forms, but the vast majority of our documentation uses the
"[<options>]" form to indicate an arbitrary number of options, let's
do the same in these cases, which were the odd ones out.

In the case of "mv" and "sparse-checkout" let's add the missing "[]"
to indicate that these are optional.

In the case of "t/helper/test-proc-receive.c" there is no *.txt
version, making it the only hunk in this commit that's not a "doc txt
& -h consistency" change.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason
007512152e stash doc SYNOPSIS & -h: correct padding around "[]()"
The whitespace padding of alternatives should be of the form "[-f |
--force]" not "[-f|--force]". Likewise we should not have padding
before the first option, so "(--all | <pack-filename>...)" is correct,
not "( --all | <pack-filename>... )".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason
e2f4e7e8c0 doc txt & -h consistency: correct padding around "[]()"
The whitespace padding of alternatives should be of the form "[-f |
--force]" not "[-f|--force]". Likewise we should not have padding
before the first option, so "(--all | <pack-filename>...)" is correct,
not "( --all | <pack-filename>... )".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason
8bc6f92486 doc txt & -h consistency: balance unbalanced "[" and "]"
Fix a "-h" output syntax issue introduced when "--diagnose" was added
in aac0e8ffee (builtin/bugreport.c: create '--diagnose' option,
2022-08-12): We need to close the "[" we opened. The
corresponding *.txt change did not have the same issue.

The "help -h" output then had one "]" too many, which is an issue
introduced in b40845293b (help: correct the usage string in -h and
documentation, 2021-09-10).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason
dfc833332a doc txt & -h consistency: add "-z" to cat-file "-h"
Fix a bug in db9d67f2e9 (builtin/cat-file.c: support NUL-delimited
input with `-z`, 2022-07-22), before that change the SYNOPSIS and "-h"
output were the same, but not afterwards.

That change followed a similar earlier divergence in
473fa2df08 (Documentation: add --batch-command to cat-file synopsis,
2022-04-07). Subsequent commits will fix this sort of thing more
systematically, but let's fix this one as a one-off.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason
d4056dba1f doc txt & -h consistency: fix incorrect alternates syntax
Fix the incorrect "[-o | --option <argument>]" syntax, which should be
"[(-o | --option) <argument>]", we were previously claiming that only
the long option accepted the "<argument>", which isn't what we meant.

This syntax issue for "bugreport" originated in
238b439d69 (bugreport: add tool to generate debugging info,
2020-04-16), and for "diagnose" in 6783fd3cef (builtin/diagnose.c:
create 'git diagnose' builtin, 2022-08-12), which copied and adjusted
"bugreport" documentation and code.

In the case of "Documentation/git-stash.txt" and "builtin/stash.c"
this is not a "doc txt & -h consistency" change, as we're changing
both versions, doing so here makes a subsequent change smaller.

In that case fix the incorrect "[-o | --option <argument>]" syntax,
which should be "[(-o | --option) <argument>]", we were previously
claiming that only the long option accepted the "<argument>", which
isn't what we meant.

The "stash" issue has been with us in both the "-h" and *.txt versions
since bd514cada4 (stash: introduce 'git stash store', 2013-06-15).

We could claim that this isn't a syntax issue if a "vertical bar binds
tighter than option and its argument", but such a rule would change
e.g. this "cat-file" SYNOPSIS example to mean something we don't:

	... [<rev>:<path|tree-ish> | --path=<path|tree-ish> <rev>]

We have various other examples where the post-image here is already
used, e.g. for "format-patch" ("-o"), "grep" ("-m"),
"submodule" ("set-branch -b") etc.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason
5af8b61cc3 doc txt & -h consistency: word-wrap
Change the documentation and -h output for those built-in commands
where both the -h output and *.txt were lacking in word-wrapping.

There are many more built-ins that could use this treatment, this
change is narrowed to those where this whitespace change is needed to
make the -h and *.txt consistent in the end.

In the case of "Documentation/git-hash-object.txt" and
"builtin/hash-object.c" this is not a "doc txt & -h consistency"
change, as we're changing both versions, doing so here makes a
subsequent change smaller.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason
acf7828e38 built-ins: consistently add "\n" between "usage" and options
Change commands in the "diff" family and "rev-list" to separate the
usage information and option listing with an empty line.

In the case of "git diff -h" we did this already (but let's use a
consistent "\n" pattern there), for the rest these are now consistent
with how the parse_options() API would emit usage.

As we'll see in a subsequent commit this also helps to make the "git
<cmd> -h" output more easily machine-readable, as we can assume that
the usage information is separated from the options by an empty line.

Note that "COMMON_DIFF_OPTIONS_HELP" starts with a "\n", so the
seeming omission of a "\n" here is correct, the second one is provided
by the macro.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason
6df5494f73 doc SYNOPSIS: consistently use ' for commands
Most of our commands use ''-quotation only for the name of the command
itself, and not its (optional) arguments. Let's do the same for these.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason
b2ca7e417e doc SYNOPSIS: don't use ' for subcommands
Almost all of our documentation doesn't use "'" syntax for
subcommands, but these did, let's make them consistent with the
rest.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason
f587d16471 bundle: define subcommand -h in terms of command -h
Avoid repeating the "-h" output for the "git bundle" command, and
instead define the usage of each subcommand with macros, so that the
"-h" output for the command itself can re-use those definitions. See
[1], [2] and [3] for prior art using the same pattern.

1. b25b727494 (builtin/multi-pack-index.c: define common usage with a
   macro, 2021-03-30)
2. 8757b35d44 (commit-graph: define common usage with a macro,
   2021-08-23)
3. 1e91d3faf6 (reflog: move "usage" variables and use macros,
   2022-03-17)

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason
968a04e447 builtin/bundle.c: indent with tabs
Fix indentation issues introduced with 73c3253d75 (bundle: framework
for options before bundle file, 2019-11-10), and carried forward in
some subsequent commits.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason
6584fcc5c8 CodingGuidelines: update and clarify command-line conventions
Edit the section which explains how to create a good SYNOPSIS section
for clarity and accuracy, it was mostly introduced in
c455bd8950 (CodingGuidelines: Add a section on writing documentation,
2010-11-04):

 * Change "extra" example to "file", which now naturally follows from
   previous "<file>..." example (one or more) to "[<file>...]" (zero or
   more).

 * Explain how we prefer spacing around "[]()" tokens and "|"
   alternatives, this is not a new policy, but just codifies what's
   already the pattern in the most wide use in the documentation.

Having a space around " | " for flags, but not for flag values is
inconsistent, but this style guide codifies existing
patterns. Grepping shows that we don't have any instance matching the
second "Don't" example:

	git grep -E -h -o '=\([^)]+\)' -- builtin Documentation/

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason
e5e6667b48 tests: assert *.txt SYNOPSIS and -h output
Add a test to assert basic compliance with the CodingGuidelines in the
SYNOPSIS and builtin -h output. For now we only assert that the "-h"
output doesn't have "\t" characters, as a very basic syntax check.

Subsequent commits will expand on the checks here as various issues
are fixed, but let's first add the test scaffolding.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason
0b0ab95f17 run-command.c: remove "max_processes", add "const" to signal() handler
As with the *_fn members removed in a preceding commit, let's not copy
the "processes" member of the "struct run_process_parallel_opts" over
to the "struct parallel_processes".

In this case we need the number of processes for the kill_children()
function, which will be called from a signal handler. To do that
adjust this code added in c553c72eed (run-command: add an
asynchronous parallel child processor, 2015-12-15) so that we use a
dedicated "struct parallel_processes_for_signal" for passing data to
the signal handler, in addition to the "struct parallel_process" it'll
now have access to our "opts" variable.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-12 14:12:42 -07:00
Ævar Arnfjörð Bjarmason
d1610eef3f run-command.c: pass "opts" further down, and use "opts->processes"
Continue the migration away from the "max_processes" member of "struct
parallel_processes" to the "processes" member of the "struct
run_process_parallel_opts", in this case we needed to pass the "opts"
further down into pp_cleanup() and pp_buffer_stderr().

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-12 14:12:42 -07:00