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Random changes to parse-options implementation.
* ab/parse-options-cleanup:
parse-options: change OPT_{SHORT,UNSET} to an enum
parse-options tests: test optname() output
parse-options.[ch]: make opt{bug,name}() "static"
commit-graph: stop using optname()
parse-options.c: move optname() earlier in the file
parse-options.h: make the "flags" in "struct option" an enum
parse-options.c: use exhaustive "case" arms for "enum parse_opt_result"
parse-options.[ch]: consistently use "enum parse_opt_result"
parse-options.[ch]: consistently use "enum parse_opt_flags"
parse-options.h: move PARSE_OPT_SHELL_EVAL between enums
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Teach "git help -c" into helping the command line completion of
configuration variables.
* ab/help-config-vars:
help: move column config discovery to help.c library
help / completion: make "git help" do the hard work
help tests: test --config-for-completion option & output
help: simplify by moving to OPT_CMDMODE()
help: correct logic error in combining --all and --guides
help: correct logic error in combining --all and --config
help tests: add test for --config output
help: correct usage & behavior of "git help --guides"
help: correct the usage string in -h and documentation
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Change these two functions to "static", the last user of "optname()"
outside of parse-options.c itself went away in the preceding commit,
for the reasons noted in 9440b831ad5 (parse-options: replace
opterror() with optname(), 2018-11-10) we shouldn't be adding any more
users of it.
The "optbug()" function was never used outside of parse-options.c, but
was made non-static in 1f275b7c4ca (parse-options: export opterr,
optbug, 2011-08-11). I think the only external user of optname() was
the commit-graph.c caller added in 09e0327f57 (builtin/commit-graph.c:
introduce '--max-new-filters=<n>', 2020-09-18).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the "flags" members of "struct option" to refer to their
corresponding "enum" defined earlier in the file.
The benefit of changing this to an enum isn't as great as with some
"enum parse_opt_type" as we'll always check this as a bitfield, so we
can't rely on the compiler checking "case" arms for us. But let's do
it for consistency with the rest of the file.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use the "enum parse_opt_result" instead of an "int flags" as the
return value of the applicable functions in parse-options.c.
This will help catch future bugs, such as the missing "case" arms in
the two existing users of the API in "blame.c" and "shortlog.c". A
third caller in 309be813c9b (update-index: migrate to parse-options
API, 2010-12-01) was already checking for these.
As can be seen when trying to sort through the deluge of warnings
produced when compiling this with CC=g++ (mostly unrelated to this
change) we're not consistently using "enum parse_opt_result" even now,
i.e. we'll return error() and "return 0;". See f41179f16ba
(parse-options: avoid magic return codes, 2019-01-27) for a commit
which started changing some of that.
I'm not doing any more of that exhaustive migration here, and it's
probably not worthwhile past the point of being able to check "enum
parse_opt_result" in switch().
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use the "enum parse_opt_flags" instead of an "int flags" as arguments
to the various functions in parse-options.c.
Even though this is an enum bitfield there's there's a benefit to
doing this when it comes to the wider C ecosystem. E.g. the GNU
debugger (gdb) will helpfully detect and print out meaningful enum
labels in this case. Here's the output before and after when breaking
in "parse_options()" after invoking "git stash show":
Before:
(gdb) p flags
$1 = 9
After:
(gdb) p flags
$1 = (PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_UNKNOWN)
Of course as noted in[1] there's a limit to this smartness,
i.e. manually setting it with unrelated enum labels won't be
caught. There are some third-party extensions to do more exhaustive
checking[2], perhaps we'll be able to make use of them sooner than
later.
We've also got prior art using this pattern in the codebase. See
e.g. "enum bloom_filter_computed" added in 312cff52074 (bloom: split
'get_bloom_filter()' in two, 2020-09-16) and the "permitted" enum
added in ce910287e72 (add -p: fix checking of user input, 2020-08-17).
1. https://lore.kernel.org/git/87mtnvvj3c.fsf@evledraar.gmail.com/
2. https://github.com/sinelaw/elfs-clang-plugins/blob/master/enums_conversion/README.md
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a bad landmine of a bug which has been with us ever since
PARSE_OPT_SHELL_EVAL was added in 47e9cd28f8a (parseopt: wrap
rev-parse --parseopt usage for eval consumption, 2010-06-12).
It's an argument to parse_options() and should therefore be in "enum
parse_opt_flags", but it was added to the per-option "enum
parse_opt_option_flags" by mistake.
Therefore as soon as we'd have an enum member in the former that
reached its value of "1 << 8" we'd run into a seemingly bizarre bug
where that new option would turn on the unrelated PARSE_OPT_SHELL_EVAL
in "git rev-parse --parseopt" by proxy.
I manually checked that no other enum members suffered from such
overlap, by setting the values to non-overlapping values, and making
the relevant codepaths BUG() out if the given value was above/below
the expected (excluding flags=0 in the case of "enum
parse_opt_flags").
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As preceding commits have incrementally established all of the --all,
--guides, --config and hidden --config-for-completion options are
mutually exclusive. So let's use OPT_CMDMODE() to parse the
command-line instead, and take advantage of its conflicting options
detection.
This is the first command with a hidden CMDMODE, so let's introduce a
OPT_CMDMODE_F() macro to go along with OPT_CMDMODE().
I think this makes the usage information that we emit slightly worse,
e.g. before we'd emit:
$ git help --all --config
fatal: --config and --all cannot be combined
usage: git help [-a|--all] [--[no-]verbose]]
[[-i|--info] [-m|--man] [-w|--web]] [<command>]
or: git help [-g|--guides]
or: git help [-c|--config]
[...]
$
And now:
$ git help --all --config
error: option `config' is incompatible with --all
$
But improving that is a general topic for parse-options.c improvement,
i.e. we should probably emit the full usage in that case.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As was noted in 1a85b49b87a (parse-options: make OPT_ARGUMENT() more
useful, 2019-03-14) there's only ever been one user of the
OPT_ARGUMENT(), that user was added in 20de316e334 (difftool: allow
running outside Git worktrees with --no-index, 2019-03-14).
The OPT_ARGUMENT() feature itself was added way back in
580d5bffdea (parse-options: new option type to treat an option-like
parameter as an argument., 2008-03-02), but as discussed in
1a85b49b87a wasn't used until 20de316e334 in 2019.
Now that the preceding commit has migrated this code over to using
"struct strvec" to manage the "args" member of a "struct
child_process", we can just use that directly instead of relying on
OPT_ARGUMENT.
This has a minor change in behavior in that if we'll pass --no-index
we'll now always pass it as the first argument, before we'd pass it in
whatever position the caller did. Preserving this was the real value
of OPT_ARGUMENT(), but as it turns out we didn't need that either. We
can always inject it as the first argument, the other end will parse
it just the same.
Note that we cannot remove the "out" and "cpidx" members of "struct
parse_opt_ctx_t" added in 580d5bffdea, while they were introduced with
OPT_ARGUMENT() we since used them for other things.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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preprocess_options() allocates new strings for help messages for
OPTION_ALIAS. Therefore we also need to clean those help messages up
when freeing the returned options.
First introduced in:
7c280589cf (parse-options: teach "git cmd -h" to show alias as alias, 2020-03-16)
The preprocessed options themselves no longer contain any indication
that a given option is/was an alias - therefore we add a new flag to
indicate former aliases. (An alternative approach would be to look back
at the original options to determine which options are aliases - but
that seems like a fragile approach. Or we could even look at the
alias_groups list - which might be less fragile, but would be slower
as it requires nested looping.)
As far as I can tell, parse_options() is only ever used once per
command, and the help messages are small - hence this leak has very
little impact.
This leak was found while running t0001. LSAN output can be found below:
Direct leak of 65 byte(s) in 1 object(s) allocated from:
#0 0x49a859 in realloc /home/abuild/rpmbuild/BUILD/llvm-11.0.0.src/build/../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:164:3
#1 0x9aae36 in xrealloc /home/ahunt/oss-fuzz/git/wrapper.c:126:8
#2 0x939d8d in strbuf_grow /home/ahunt/oss-fuzz/git/strbuf.c:98:2
#3 0x93b936 in strbuf_vaddf /home/ahunt/oss-fuzz/git/strbuf.c:392:3
#4 0x93b7ff in strbuf_addf /home/ahunt/oss-fuzz/git/strbuf.c:333:2
#5 0x86747e in preprocess_options /home/ahunt/oss-fuzz/git/parse-options.c:666:3
#6 0x866ed2 in parse_options /home/ahunt/oss-fuzz/git/parse-options.c:847:17
#7 0x51c4a7 in cmd_clone /home/ahunt/oss-fuzz/git/builtin/clone.c:989:9
#8 0x4cd60d in run_builtin /home/ahunt/oss-fuzz/git/git.c:453:11
#9 0x4cb2da in handle_builtin /home/ahunt/oss-fuzz/git/git.c:704:3
#10 0x4ccc37 in run_argv /home/ahunt/oss-fuzz/git/git.c:771:4
#11 0x4cac29 in cmd_main /home/ahunt/oss-fuzz/git/git.c:902:19
#12 0x69c9fe in main /home/ahunt/oss-fuzz/git/common-main.c:52:11
#13 0x7fdac42d4349 in __libc_start_main (/lib64/libc.so.6+0x24349)
Signed-off-by: Andrzej Hunt <ajrhunt@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Because it's easier to read, but also likely to be easier to maintain.
I am making this change because I need to add a new flag in a later
commit.
Also add a trailing comma to the last enum entry to simplify addition of
new flags.
This change was originally suggested by Peff in:
https://public-inbox.org/git/YEZ%2FBWWbpfVwl6nO@coredump.intra.peff.net/
Signed-off-by: Andrzej Hunt <ajrhunt@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"Keep it homogeneous across the repository" is in general a
guideline that can be used to converge to a good practice, but
we can be a bit more prescriptive in this case. Just like the
messages we give die(_("...")) are formatted without the final
full stop and without the initial capitalization, most of the
argument help text are already formatted that way, and we want
to encourage that as the house style.
Noticed-by: ZheNing Hu <adlternative@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: ZheNing Hu <adlternative@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are still a handful mentions of SHA-1 when we meant the
(hexadecimal) object names in end-user facing messages. Rewrite
them.
I was hoping that this can mostly be s/SHA-1/object name/, but
a few messages needed rephrasing to keep the result readable.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In rebase, one can pass the `--autostash` option to cause the worktree
to be automatically stashed before continuing with the rebase. This
option is missing in merge, however.
Implement the `--autostash` option and corresponding `merge.autoStash`
option in merge which stashes before merging and then pops after.
This option is useful when a developer has some local changes on a topic
branch but they realize that their work depends on another branch.
Previously, they had to run something like
git fetch ...
git stash push
git merge FETCH_HEAD
git stash pop
but now, that is reduced to
git fetch ...
git merge --autostash FETCH_HEAD
When an autostash is generated, it is automatically reapplied to the
worktree only in three explicit situations:
1. An incomplete merge is commit using `git commit`.
2. A merge completes successfully.
3. A merge is aborted using `git merge --abort`.
In all other situations where the merge state is removed using
remove_merge_branch_state() such as aborting a merge via
`git reset --hard`, the autostash is saved into the stash reflog
instead keeping the worktree clean.
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Suggested-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git am --short-current-patch" is a way to show the piece of e-mail
for the stopped step, which is not suitable to directly feed "git
apply" (it is designed to be a good "git am" input). It learned a
new option to show only the patch part.
* pb/am-show-current-patch:
am: support --show-current-patch=diff to retrieve .git/rebase-apply/patch
am: support --show-current-patch=raw as a synonym for--show-current-patch
am: convert "resume" variable to a struct
parse-options: convert "command mode" to a flag
parse-options: add testcases for OPT_CMDMODE()
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OPTION_CMDMODE is essentially OPTION_SET_INT plus an extra check that
the variable had not set before. In order to allow custom processing
of the option, for example a "command mode" option that also has an
argument, it would be nice to use OPTION_CALLBACK and not have to rewrite
the extra check on incompatible options. In other words, making the
processing of the option orthogonal to the "only one of these" behavior
provided by OPTION_CMDMODE.
Add a new flag that takes care of the check, and modify OPT_CMDMODE to
use it together with OPTION_SET_INT. The new flag still requires that the
option value points to an int, but any OPTION_* value can be specified as
long as it does not require a non-int type for opt->value.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Document the fact that the function doesn't modify the two option arrays
passed to it by adding the keyword const to each parameter.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* hw/doc-in-header:
trace2: move doc to trace2.h
submodule-config: move doc to submodule-config.h
tree-walk: move doc to tree-walk.h
trace: move doc to trace.h
run-command: move doc to run-command.h
parse-options: add link to doc file in parse-options.h
credential: move doc to credential.h
argv-array: move doc to argv-array.h
cache: move doc to cache.h
sigchain: move doc to sigchain.h
pathspec: move doc to pathspec.h
revision: move doc to revision.h
attr: move doc to attr.h
refs: move doc to refs.h
remote: move doc to remote.h and refspec.h
sha1-array: move doc to sha1-array.h
merge: move doc to ll-merge.h
graph: move doc to graph.h and graph.c
dir: move doc to dir.h
diff: move doc to diff.h and diffcore.h
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Add a link to Documentation/technical/api-parse-options.txt in parse-options.h
So the developers would know where to find more info about the API.
Signed-off-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Support for various porcelain commands will arrive via additional
patches.
`--pathspec-from-file` solves the problem of commandline length limit
for UIs built on top of git. Plumbing commands are not always a good
fit, for two major reasons:
1) Some UIs show executed commands to user. In this case, porcelain
commands are expected. One reason for that is letting user learn git
commands by clicking UI buttons. The other reason is letting user
study the history of commands in case of any unexpected results. Both
of these will lose most of their value if UI uses combinations of
arcane plumbing commands.
2) Some UIs have started and grown with porcelain commands. Replacing
existing logic with plumbing commands could be cumbersome and prone
to various new problems.
`--pathspec-from-file` will behave very close to pathspec passed in
commandline args, so that switching from one to another is simple.
`--pathspec-from-file` will read either a specified file or `stdin`
(when file is exactly "-"). Reading from file is a good way to avoid
competing for `stdin`, and also gives some extra flexibility.
`--pathspec-file-nul` switch mirrors `-z` already used in various
places. Some porcelain commands, such as `git commit`, already use
`-z`, therefore it needed a new unambiguous name.
New options do not have shorthands to avoid shorthand conflicts. It is
not expected that they will be typed in console.
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Compilation fix.
* nd/diff-parseopt:
parseopt: move definition of enum parse_opt_result up
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Define enum parse_opt_result before using it in a typedef. This avoids
the following compiler warning:
./parse-options.h:53:14: error: ISO C forbids forward references to 'enum' types [-Werror,-Wpedantic]
typedef enum parse_opt_result parse_opt_ll_cb(struct parse_opt_ctx_t *ctx,
^
While GCC and Clang both accept such a forward reference by default,
other compilers might be less forgiving.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Two new commands "git switch" and "git restore" are introduced to
split "checking out a branch to work on advancing its history" and
"checking out paths out of the index and/or a tree-ish to work on
advancing the current history" out of the single "git checkout"
command.
* nd/switch-and-restore: (46 commits)
completion: disable dwim on "git switch -d"
switch: allow to switch in the middle of bisect
t2027: use test_must_be_empty
Declare both git-switch and git-restore experimental
help: move git-diff and git-reset to different groups
doc: promote "git restore"
user-manual.txt: prefer 'merge --abort' over 'reset --hard'
completion: support restore
t: add tests for restore
restore: support --patch
restore: replace --force with --ignore-unmerged
restore: default to --source=HEAD when only --staged is specified
restore: reject invalid combinations with --staged
restore: add --worktree and --staged
checkout: factor out worktree checkout code
restore: disable overlay mode by default
restore: make pathspec mandatory
restore: take tree-ish from --source option instead
checkout: split part of it to new command 'restore'
doc: promote "git switch"
...
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Code clean-up.
* js/parseopt-unknown-cb-returns-an-enum:
parse-options: adjust `parse_opt_unknown_cb()`s declared return type
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Attempt to use an abbreviated option in "git clone --recurs" is
responded by a request to disambiguate between --recursive and
--recurse-submodules, which is bad because these two are synonyms.
The parse-options API has been extended to define such synonyms
more easily and not produce an unnecessary failure.
* nd/parse-options-aliases:
parse-options: don't emit "ambiguous option" for aliases
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In f41179f16ba2 (parse-options: avoid magic return codes, 2019-01-27),
the signature of the low-level parse-opt callback function was changed
to return an `enum`.
And while the implementations were changed, one declaration was left
unchanged, still claiming to return `int`.
This can potentially lead to problems, as compilers are free to choose
any integral type for an `enum` as long as it can represent all declared
values.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The internal implementation of "git rebase -i" has been updated to
avoid forking a separate "rebase--interactive" process.
* pw/rebase-i-internal:
rebase -i: run without forking rebase--interactive
rebase: use a common action enum
rebase -i: use struct rebase_options in do_interactive_rebase()
rebase -i: use struct rebase_options to parse args
rebase -i: use struct object_id for squash_onto
rebase -i: use struct commit when parsing options
rebase -i: remove duplication
rebase -i: combine rebase--interactive.c with rebase.c
rebase: use OPT_RERERE_AUTOUPDATE()
rebase: rename write_basic_state()
rebase: don't translate trace strings
sequencer: always discard index after checkout
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The list of conflicted paths shown in the editor while concluding a
conflicted merge was shown above the scissors line when the
clean-up mode is set to "scissors", even though it was commented
out just like the list of updated paths and other information to
help the user explain the merge better.
* dl/merge-cleanup-scissors-fix:
cherry-pick/revert: add scissors line on merge conflict
sequencer.c: save and restore cleanup mode
merge: add scissors line on merge conflict
merge: cleanup messages like commit
parse-options.h: extract common --cleanup option
commit: extract cleanup_mode functions to sequencer
t7502: clean up style
t7604: clean up style
t3507: clean up style
t7600: clean up style
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Change the option parsing machinery so that e.g. "clone --recurs ..."
doesn't error out because "clone" understands both "--recursive" and
"--recurse-submodules" to mean the same thing.
Initially "clone" just understood --recursive until the
--recurses-submodules alias was added in ccdd3da652 ("clone: Add the
--recurse-submodules option as alias for --recursive",
2010-11-04). Since bb62e0a99f ("clone: teach --recurse-submodules to
optionally take a pathspec", 2017-03-17) the longer form has been
promoted to the default.
But due to the way the options parsing machinery works this resulted
in the rather absurd situation of:
$ git clone --recurs [...]
error: ambiguous option: recurs (could be --recursive or --recurse-submodules)
Add OPT_ALIAS() to express this link between two or more options and use
it in git-clone. Multiple aliases of an option could be written as
OPT_ALIAS(0, "alias1", "original-name"),
OPT_ALIAS(0, "alias2", "original-name"),
...
The current implementation is not exactly optimal in this case. But we
can optimize it when it becomes a problem. So far we don't even have two
aliases of any option.
A big chunk of code is actually from Junio C Hamano.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git difftool" can now run outside a repository.
* js/difftool-no-index:
difftool: allow running outside Git worktrees with --no-index
parse-options: make OPT_ARGUMENT() more useful
difftool: remove obsolete (and misleading) comment
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Fourth batch to teach the diff machinery to use the parse-options
API.
* nd/diff-parseopt-4:
am: avoid diff_opt_parse()
diff --no-index: use parse_options() instead of diff_opt_parse()
range-diff: use parse_options() instead of diff_opt_parse()
diff.c: allow --no-color-moved-ws
diff-parseopt: convert --color-moved-ws
diff-parseopt: convert --[no-]color-moved
diff-parseopt: convert --inter-hunk-context
diff-parseopt: convert --no-prefix
diff-parseopt: convert --line-prefix
diff-parseopt: convert --[src|dst]-prefix
diff-parseopt: convert --[no-]abbrev
diff-parseopt: convert --diff-filter
diff-parseopt: convert --find-object
diff-parseopt: convert -O
diff-parseopt: convert --pickaxe-all|--pickaxe-regex
diff-parseopt: convert -S|-G
diff-parseopt: convert -l
diff-parseopt: convert -z
diff-parseopt: convert --ita-[in]visible-in-index
diff-parseopt: convert --ws-error-highlight
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More preparation for using `struct rebase_options` in
cmd_rebase__interactive(). Using a string was a hangover from the
scripted version of rebase, update the functions that use `squash_onto`
to take a `sturct object_id`.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is in preparation for using `struct rebase_options` when parsing
options in cmd_rebase__interactive(). Using a string for onto,
restrict_revision and upstream, was a hangover from the scripted version
of rebase. The functions that use these variables are updated to take a
`struct commit`.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --cleanup option is commonly used. Extract it so that its definition
is not repeated.
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is a preparation step for introducing new commands that do parts
of what checkout does. There will be two new commands, one is about
switching branches, detaching HEAD... one about checking out
paths. These share the a subset of command line options. The rest of
command line options are separate.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The command line parser of "git commit-tree" has been rewritten to
use the parse-options API.
* br/commit-tree-parseopt:
commit-tree: utilize parse-options api
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`OPT_ARGUMENT()` is intended to keep the specified long option in `argv`
and not to do anything else.
However, it would make a lot of sense for the caller to know whether
this option was seen at all or not. For example, we want to teach `git
difftool` to work outside of any Git worktree, but only when
`--no-index` was specified.
Note: nothing in Git uses OPT_ARGUMENT(). Even worse, looking through
the commit history, one can easily see that nothing even
ever used it, apart from the regression test.
So not only do we make `OPT_ARGUMENT()` more useful, we are also about
to introduce its first real user!
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rather than parse options manually, which is both difficult to
read and error prone, parse options supplied to commit-tree
using the parse-options api.
It was discovered that the --no-gpg-sign option was documented
but not implemented in commit 70ddbd7767 (commit-tree: add missing
--gpg-sign flag, 2019-01-19), and the existing implementation
would attempt to translate the option as a tree oid. It was also
suggested earlier in commit 55ca3f99ae (commit-tree: add and document
--no-gpg-sign, 2013-12-13) that commit-tree should be migrated to
utilize the parse-options api, which could help prevent mistakes
like this in the future. Hence this change.
Also update the documentation to better describe that mixing
`-m` and `-F` options will correctly compose commit log messages in the
order in which the options are given.
In the process, mark various strings for translation.
Signed-off-by: Brandon Richardson <brandon1024.br@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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OPTION_CALLBACK is much simpler/safer to use, but parse_opt_cb does
not allow access to parse_opt_ctx_t, which sometimes is useful
(e.g. to obtain the prefix).
Extending parse_opt_cb to take parse_opt_cb could result in a lot of
changes. Instead let's just allow ll_callback to be used with
OPTION_CALLBACK. The user will have to be careful, not to change
anything in ctx, or return wrong result code. But that's the price for
ll_callback.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Give names to these magic negative numbers. Make parse_opt_ll_cb
return an enum to make clear it can actually control parse_options()
with different return values (parse_opt_cb can too, but nobody needs
it).
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Lowlevel callbacks have different function signatures. Add a new field
in 'struct option' with the right type for lowlevel callbacks.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is needed for diff_opt_parse() where we do
value = (value & ~mask) | some_more;
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is to help reimplement diff_opt_parse() using parse_options().
The behavior of parse_options() is changed to be the same as the
other:
- no argv0 in argv[], everything can be processed
- argv[] must not be updated, it's the caller's job to do that
- return the number of arguments processed
- leave all unknown options / non-options alone (this one can already
be achieved with PARSE_OPT_KEEP_UNKNOWN and
PARSE_OPT_STOP_AT_NON_OPTION)
This mode is NOT supposed to stay here for long. It's to help
converting diff/rev option parsing. Once that work is over and we can
just use parse_options() throughout the code base, this will be
deleted.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code cleanup.
* nd/indentation-fix:
Indent code with TABs
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More _("i18n") markings.
* nd/i18n:
fsck: mark strings for translation
fsck: reduce word legos to help i18n
parse-options.c: mark more strings for translation
parse-options.c: turn some die() to BUG()
parse-options: replace opterror() with optname()
repack: mark more strings for translation
remote.c: mark messages for translation
remote.c: turn some error() or die() to BUG()
reflog: mark strings for translation
read-cache.c: add missing colon separators
read-cache.c: mark more strings for translation
read-cache.c: turn die("internal error") to BUG()
attr.c: mark more string for translation
archive.c: mark more strings for translation
alias.c: mark split_cmdline_strerror() strings for translation
git.c: mark more strings for translation
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Portability fix for a recent update to parse-options API.
* nd/show-gitcomp-compilation-fix:
parse-options: fix SunCC compiler warning
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Junio C Hamano
Ævar Arnfjörð Bjarmason
Andrzej Hunt
Denton Liu
Paolo Bonzini
René Scharfe
Heba Waly
Alexandr Miloslavskiy
Johannes Schindelin
Nguyễn Thái Ngọc Duy
Phillip Wood
Brandon Richardson