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"git tag --contains no-such-commit" gave a full list of options
after giving an error message.
* ps/contains-id-error-message:
parse-options: do not show usage upon invalid option value
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Usually, the usage should be shown only if the user does not know what
options are available. If the user specifies an invalid value, the user
is already aware of the available options. In this case, there is no
point in displaying the usage anymore.
This patch applies to "git tag --contains", "git branch --contains",
"git branch --points-at", "git for-each-ref --contains" and many more.
Signed-off-by: Paul-Sebastian Ungureanu <ungureanupaulsebastian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There is not a strong reason to hide this option, and git-merge already
completes this one. Let's allow to complete this for all commands (and
let git-completion.bash do the suppressing if needed).
This makes --rerere-autoupdate completable for am, cherry-pick and
revert. rebase completion is fixed manually because it's a shell
script and does not benefit from --git-completion-helper.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git remote --mirror" is a special case. Technically it is possible to
specify --mirror without any argument. But we will get a "dangerous,
deprecated!" warning in that case.
This new parse-opt flag allows --git-completion-helper to always
complete --mirror=, ignoring the dangerous use case.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The new completable options are:
--directory
--exclude
--gpg-sign
--include
--keep-cr
--keep-non-patch
--message-id
--no-keep-cr
--patch-format
--quiet
--reject
--resolvemsg=
In-progress options like --continue will be part of --git-completion-helper
then filtered out by _git_am() unless the operation is in progress. This
helps keep marking of these operations in just one place.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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--force option is most likely hidden from command line completion for
safety reasons. This is done by adding an extra flag
PARSE_OPT_NOCOMPLETE. Update OPT__FORCE() to accept additional
flags. Actual flag change comes later depending on individual
commands.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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These macros allow us to add extra parse-options flag, the main one in
my mind is PARSE_OPT_NOCOMPLETE to hide certain options from
--git-completion-helper.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This option is designed to be used by git-completion.bash. For many
simple cases, what we do in there is usually
__gitcomp "lots of completion options"
which has to be manually updated when a new user-visible option is
added. With support from parse-options, we can write
__gitcomp "$(git command --git-completion-helper)"
and get that list directly from the parser for free. Dangerous/Unpopular
options could be hidden with the new "NOCOMPLETE" flag.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the tag, branch & for-each-ref commands to have a --no-contains
option in addition to their longstanding --contains options.
This allows for finding the last-good rollout tag given a known-bad
<commit>. Given a hypothetically bad commit cf5c7253e0, the git
version to revert to can be found with this hacky two-liner:
(git tag -l 'v[0-9]*'; git tag -l --contains cf5c7253e0 'v[0-9]*') |
sort | uniq -c | grep -E '^ *1 ' | awk '{print $2}' | tail -n 10
With this new --no-contains option the same can be achieved with:
git tag -l --no-contains cf5c7253e0 'v[0-9]*' | sort | tail -n 10
As the filtering machinery is shared between the tag, branch &
for-each-ref commands, implement this for those commands too. A
practical use for this with "branch" is e.g. finding branches which
were branched off between v2.8.0 and v2.10.0:
git branch --contains v2.8.0 --no-contains v2.10.0
The "describe" command also has a --contains option, but its semantics
are unrelated to what tag/branch/for-each-ref use --contains for. A
--no-contains option for "describe" wouldn't make any sense, other
than being exactly equivalent to not supplying --contains at all,
which would be confusing at best.
Add a --without option to "tag" as an alias for --no-contains, for
consistency with --with and --contains. The --with option is
undocumented, and possibly the only user of it is
Junio (<xmqqefy71iej.fsf@gitster.mtv.corp.google.com>). But it's
trivial to support, so let's do that.
The additions to the the test suite are inverse copies of the
corresponding --contains tests. With this change --no-contains for
tag, branch & for-each-ref is just as well tested as the existing
--contains option.
In addition to those tests, add a test for "tag" which asserts that
--no-contains won't find tree/blob tags, which is slightly
unintuitive, but consistent with how --contains works & is documented.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the OPT_NONEG flag to the "contains" option and its hidden synonym
"with". Since this was added in commit 694a577519 ("git-branch
--contains=commit", 2007-11-07) giving --no-{contains,with} hasn't
been an error, but has emitted the help output since
filter.with_commit wouldn't get set.
Now git will emit "error: unknown option `no-{contains,with}'" at the
top of the help output.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Output from "git diff" can be made easier to read by selecting
which lines are common and which lines are added/deleted
intelligently when the lines before and after the changed section
are the same. A command line option is added to help with the
experiment to find a good heuristics.
* mh/diff-indent-heuristic:
blame: honor the diff heuristic options and config
parse-options: add parse_opt_unknown_cb()
diff: improve positioning of add/delete blocks in diffs
xdl_change_compact(): introduce the concept of a change group
recs_match(): take two xrecord_t pointers as arguments
is_blank_line(): take a single xrecord_t as argument
xdl_change_compact(): only use heuristic if group can't be matched
xdl_change_compact(): fix compaction heuristic to adjust ixo
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Add a new callback function, parse_opt_unknown_cb(), which returns -2 to
indicate that the corresponding option is unknown. This can be used to
add "-h" documentation for an option that will be handled externally to
parse_options().
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In exactly one callers (builtin/revert.c), we build up the
options list dynamically from multiple arrays. We do so by
manually inserting "filler" entries into one array, and then
copying the other array into the allocated space.
This is tedious and error-prone, as you have to adjust the
filler any time the second array is modified (although we do
at least check and die() when the counts do not match up).
Instead, let's just allocate a new array.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Let callers provide their own handler for the short option -h even
without the flag PARSE_OPT_NO_INTERNAL_HELP, but call the internal
handler (showing usage information) if that is the only parameter.
Implement the first part by checking for -h only if parse_short_opt()
can't find it and returns -2.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Jeff King <peff@peff.net>
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Some features from "git tag -l" and "git branch -l" have been made
available to "git for-each-ref" so that eventually the unified
implementation can be shared across all three, in a follow-up
series or two.
* kn/for-each-tag-branch:
for-each-ref: add '--contains' option
ref-filter: implement '--contains' option
parse-options.h: add macros for '--contains' option
parse-option: rename parse_opt_with_commit()
for-each-ref: add '--merged' and '--no-merged' options
ref-filter: implement '--merged' and '--no-merged' options
ref-filter: add parse_opt_merge_filter()
for-each-ref: add '--points-at' option
ref-filter: implement '--points-at' option
tag: libify parse_opt_points_at()
t6302: for-each-ref tests for ref-filter APIs
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* sb/parse-options-codeformat:
parse-options: align curly braces for all options
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Reimplement 'git pull' in C.
* pt/pull-builtin:
pull: remove redirection to git-pull.sh
pull --rebase: error on no merge candidate cases
pull --rebase: exit early when the working directory is dirty
pull: configure --rebase via branch.<name>.rebase or pull.rebase
pull: teach git pull about --rebase
pull: set reflog message
pull: implement pulling into an unborn branch
pull: fast-forward working tree if head is updated
pull: check if in unresolved merge state
pull: support pull.ff config
pull: error on no merge candidates
pull: pass git-fetch's options to git-fetch
pull: pass git-merge's options to git-merge
pull: pass verbosity, --progress flags to fetch and merge
pull: implement fetch + merge
pull: implement skeletal builtin pull
argv-array: implement argv_array_pushv()
parse-options-cb: implement parse_opt_passthru_argv()
parse-options-cb: implement parse_opt_passthru()
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Add a macro for using the '--contains' option in parse-options.h
also include an optional '--with' option macro which performs the
same action as '--contains'.
Make tag.c and branch.c use this new macro.
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename parse_opt_with_commit() to parse_opt_commits() to show
that it can be used to obtain a list of commits and is not
constricted to usage of '--contains' option.
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename 'parse_opt_points_at()' to 'parse_opt_object_name()' and
move it from 'tag.c' to 'parse-options'. This now acts as a common
parse_opt function which accepts an objectname and stores it into
a sha1_array.
Based-on-patch-by: Jeff King <peff@peff.net>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The unsigned long option parsing (including 'k'/'m'/'g' suffix
parsing) is more widely applicable. Add support for OPT_MAGNITUDE
to parse-options.h and change pack-objects.c use this support.
The error behavior on parse errors follows that of OPT_INTEGER. The
name of the option that failed to parse is reported with a brief
message describing the expect format for the option argument and
then the full usage message for the command invoked.
This differs from the previous behavior for OPT_ULONG used in
pack-objects for --max-pack-size and --window-memory which used to
display the value supplied in the error message and did not display
the full usage message.
Signed-off-by: Charles Bailey <cbailey32@bloomberg.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Certain git commands, such as git-pull, are simply wrappers around other
git commands like git-fetch, git-merge and git-rebase. As such, these
wrapper commands will typically need to "pass through" command-line
options of the commands they wrap.
Implement the parse_opt_passthru_argv() parse-options callback, which
will reconstruct all the provided command-line options into an
argv_array, such that it can be passed to another git command. This is
useful for passing command-line options that can be specified multiple
times.
Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Paul Tan <pyokagan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Certain git commands, such as git-pull, are simply wrappers around other
git commands like git-fetch, git-merge and git-rebase. As such, these
wrapper commands will typically need to "pass through" command-line
options of the commands they wrap.
Implement the parse_opt_passthru() parse-options callback, which will
reconstruct the command-line option into an char* string, such that it
can be passed to another git command.
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Paul Tan <pyokagan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* iu/fix-parse-options-h-comment:
parse-options.h: OPTION_{BIT,SET_INT} do not store pointer to defval
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When 20d1c652 (parse-options: remove unused OPT_SET_PTR, 2014-03-30)
removed OPT_SET_PTR, the comment in the header that describes what
the option did to defval field was left behind by mistake. Remove
it.
Signed-off-by: Ivan Ukhov <ivan.ukhov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/squelch-compiler-warning-from-funny-error-macro:
let clang use the constant-return error() macro
inline constant return from error() function
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Commit e208f9c converted error() into a macro to make its
constant return value more apparent to calling code. Commit
5ded807 prevents us using this macro with clang, since
clang's -Wunused-value is smart enough to realize that the
constant "-1" is useless in some contexts.
However, since the last commit puts the constant behind an
inline function call, this is enough to prevent the
-Wunused-value warning on both modern gcc and clang. So we
can now re-enable the macro when compiling with clang.
Tested with clang 3.3, 3.4, and 3.5.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit e208f9c introduced a macro to turn error() calls
into:
(error(), -1)
to make the constant return value more visible to the
calling code (and thus let the compiler make better
decisions about the code).
This works well for code like:
return error(...);
but the "-1" is superfluous in code that just calls error()
without caring about the return value. In older versions of
gcc, that was fine, but gcc 4.9 complains with -Wunused-value.
We can work around this by encapsulating the constant return
value in a static inline function, as gcc specifically
avoids complaining about unused function returns unless the
function has been specifically marked with the
warn_unused_result attribute.
We also use the same trick for config_error_nonbool and
opterror, which learned the same error technique in a469a10.
Reported-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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OPT_SET_PTR() implementation was broken on IL32P64 platforms;
it turns out that the macro is not used by any real user.
* mr/opt-set-ptr:
parse-options: remove unused OPT_SET_PTR
parse-options: add cast to correct pointer type to OPT_SET_PTR
MSVC: fix t0040-parse-options crash
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OPT_SET_PTR was never used since its creation at db7244bd
(parse-options new features., 2007-11-07).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Do not force users of OPT_SET_PTR to cast pointer to correct
underlying pointer type by integrating cast into OPT_SET_PTR macro.
Cast is required to prevent 'initialization makes integer from pointer
without a cast' compiler warning.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"When you need to use space, use dash" is a strange way to say that
you must not use a space. Because it is more common for the command
line descriptions to use dashed-multi-words, you do not even want to
use spaces in these places. Rephrase the documentation to avoid
this strangeness.
Fix a few existing multi-word argument help strings, i.e.
- GPG key-ids given to -S/--gpg-sign are "key-id";
- Refs used for storing notes are "notes-ref"; and
- Expiry timestamps given to --expire are "expiry-date".
and update the corresponding documentation pages.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After a86a8b9 (sb/parseopt-boolean-removal), the deprecated
OPT_BOOLEAN is not used anywhere except by OPT__* macros. Kill
OPT_BOOLEAN and make OPT__* use OPT_COUNTUP directly instead. This
should stop OPT_BOOLEAN from entering the tree again in new patches.
OPT__DRY_RUN() is converted to use OPT_BOOL though because it does not
make sense to increase the level of dryness. All OPT__DRY_RUN call
sites have been checked and they look safe for OPT_BOOL.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert most uses of OPT_BOOLEAN/OPTION_BOOLEAN that can use
OPT_BOOL/OPTION_BOOLEAN which have much saner semantics, and turn
remaining ones into OPT_SET_INT, OPT_COUNTUP, etc. as necessary.
* sb/parseopt-boolean-removal:
revert: use the OPT_CMDMODE for parsing, reducing code
checkout-index: fix negations of even numbers of -n
config parsing options: allow one flag multiple times
hash-object: replace stdin parsing OPT_BOOLEAN by OPT_COUNTUP
branch, commit, name-rev: ease up boolean conditions
checkout: remove superfluous local variable
log, format-patch: parsing uses OPT__QUIET
Replace deprecated OPT_BOOLEAN by OPT_BOOL
Remove deprecated OPTION_BOOLEAN for parsing arguments
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Many commands use --dashed-option as a operation mode selector
(e.g. "git tag --delete") that the user can use at most one
(e.g. "git tag --delete --verify" is a nonsense) and you cannot
negate (e.g. "git tag --no-delete" is a nonsense). Make it easier
for users of parse_options() to enforce these restrictions.
* jc/parseopt-command-modes:
tag: use OPT_CMDMODE
parse-options: add OPT_CMDMODE()
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* maint:
parse-options: fix clang opterror() -Wunused-value warning
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a469a1019352b8ef (silence some -Wuninitialized false positives;
2012-12-15) triggered "unused value" warnings when the return value of
opterror() and several other error-related functions was not used.
5ded807f7c0be10e (fix clang -Wunused-value warnings for error functions;
2013-01-16) applied a fix by adding #if !defined(__clang__) in cache.h
and git-compat-util.h, but misspelled it as #if !defined(clang) in
parse-options.h. Fix this.
This mistake went unnoticed because existing callers of opterror()
utilize its return value. 1158826394e162c5 (parse-options: add
OPT_CMDMODE(); 2013-07-30), however, adds a new invocation of opterror()
which ignores the return value, thus triggering the "unused value"
warning.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As of b04ba2bb4 OPTION_BOOLEAN was deprecated.
This commit removes all occurrences of OPTION_BOOLEAN.
In b04ba2bb4 Junio suggested to replace it with either
OPTION_SET_INT or OPTION_COUNTUP instead. However a pattern, which
occurred often with the OPTION_BOOLEAN was a hidden boolean parameter.
So I defined OPT_HIDDEN_BOOL as an additional possible parse option
in parse-options.h to make life easy.
The OPT_HIDDEN_BOOL was used in checkout, clone, commit, show-ref.
The only exception, where there was need to fiddle with OPTION_SET_INT
was log and notes. However in these two files there is also a pattern,
so we could think of introducing OPT_NONEG_BOOL.
Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This can be used to define a set of mutually exclusive "command
mode" options, and automatically catch use of more than one from
that set as an error.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We used the approxidate() parser for "--expire=<timestamp>" options
of various commands, but it is better to treat --expire=all and
--expire=now a bit more specially than using the current timestamp.
Update "git gc" and "git reflog" with a new parsing function for
expiry dates.
* jc/prune-all:
prune: introduce OPT_EXPIRY_DATE() and use it
api-parse-options.txt: document "no-" for non-boolean options
git-gc.txt, git-reflog.txt: document new expiry options
date.c: add parse_expiry_date()
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Earlier we added support for --expire=all (or --expire=now) that
considers all crufts, regardless of their age, as eligible for
garbage collection by turning command argument parsers that use
approxidate() to use parse_expiry_date(), but "git prune" used a
built-in parse-options facility OPT_DATE() and did not benefit from
the new function.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit a469a10 wraps some error calls in macros to give the
compiler a chance to do more static analysis on their
constant -1 return value. We limit the use of these macros
to __GNUC__, since gcc is the primary beneficiary of the new
information, and because we use GNU features for handling
variadic macros.
However, clang also defines __GNUC__, but generates warnings
with -Wunused-value when these macros are used in a void
context, because the constant "-1" ends up being useless.
Gcc does not complain about this case (though it is unclear
if it is because it is smart enough to see what we are
doing, or too dumb to realize that the -1 is unused). We
can squelch the warning by just disabling these macros when
clang is in use.
Signed-off-by: Max Horn <max@quendi.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are a few error functions that simply wrap error() and
provide a standardized message text. Like error(), they
always return -1; knowing that can help the compiler silence
some false positive -Wuninitialized warnings.
One strategy would be to just declare these as inline in the
header file so that the compiler can see that they always
return -1. However, gcc does not always inline them (e.g.,
it will not inline opterror, even with -O3), which renders
our change pointless.
Instead, let's follow the same route we did with error() in
the last patch, and define a macro that makes the constant
return value obvious to the compiler.
Signed-off-by: Jeff King <peff@peff.net>
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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A couple of commands learn --column option to produce columnar output.
By Nguyễn Thái Ngọc Duy (9) and Zbigniew Jędrzejewski-Szmek (1)
* nd/columns:
tag: add --column
column: support piping stdout to external git-column process
status: add --column
branch: add --column
help: reuse print_columns() for help -a
column: add dense layout support
t9002: work around shells that are unable to set COLUMNS to 1
column: add columnar layout
Stop starting pager recursively
Add column layout skeleton and git-column
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A column option string consists of many token separated by either
a space or a comma. A token belongs to one of three groups:
- enabling: always, never and auto
- layout mode: currently plain (which does not layout at all)
- other future tuning flags
git-column can be used to pipe output to from a command that wants
column layout, but not to mess with its own output code. Simpler output
code can be changed to use column layout code directly.
Thanks-to: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PARSE_OPT_NEGHELP is confusing because short options defined with that
flag do the opposite of what the helptext says. It is also not needed
anymore now that options starting with no- can be negated by removing
that prefix. Convert its only two users to OPT_NEGBIT() and OPT_BOOL()
and then remove support for PARSE_OPT_NEGHELP.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add OPT_NOOP_NOARG, a helper macro to define deprecated options in a
standard way. The help text is taken from the no-op option -r of
git revert.
The callback could be made to emit a (conditional?) warning later. And
we could also add OPT_NOOP (requiring an argument) etc. as needed.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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