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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rev-parse" learned the "--end-of-options" to help scripts to
safely take a parameter that is supposed to be a revision, e.g.
"git rev-parse --verify -q --end-of-options $rev".
* jk/rev-parse-end-of-options:
rev-parse: handle --end-of-options
rev-parse: put all options under the "-" check
rev-parse: don't accept options after dashdash
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The maximum length of output filenames "git format-patch" creates
has become configurable (used to be capped at 64).
* jc/format-patch-name-max:
format-patch: make output filename configurable
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git blame -L :funcname -- path" did not work well for a path for
which a userdiff driver is defined.
* pb/blame-funcname-range-userdiff:
blame: simplify 'setup_blame_bloom_data' interface
blame: simplify 'setup_scoreboard' interface
blame: enable funcname blaming with userdiff driver
line-log: mention both modes in 'blame' and 'log' short help
doc: add more pointers to gitattributes(5) for userdiff
blame-options.txt: also mention 'funcname' in '-L' description
doc: line-range: improve formatting
doc: log, gitk: move '-L' description to 'line-range-options.txt'
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Parts of "git maintenance" to ease writing crontab entries (and
other scheduling system configuration) for it.
* ds/maintenance-part-3:
maintenance: add troubleshooting guide to docs
maintenance: use 'incremental' strategy by default
maintenance: create maintenance.strategy config
maintenance: add start/stop subcommands
maintenance: add [un]register subcommands
for-each-repo: run subcommands on configured repos
maintenance: add --schedule option and config
maintenance: optionally skip --auto process
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Docfix.
* mc/typofix:
doc: fixing two trivial typos in Documentation/
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The documentation on the "--abbrev=<n>" option did not say the
output may be longer than "<n>" hexdigits, which has been
clarified.
* jc/abbrev-doc:
doc: clarify that --abbrev=<n> is about the minimum length
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Docfix.
* so/format-patch-doc-on-default-diff-format:
doc/diff-options: fix out of place mentions of '--patch/-p'
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We taught rev-list a new way to separate options from revisions in
19e8789b23 (revision: allow --end-of-options to end option parsing,
2019-08-06), but rev-parse uses its own parser. It should know about
--end-of-options not only for consistency, but because it may be
presented with similarly ambiguous cases. E.g., if a caller does:
git rev-parse "$rev" -- "$path"
to parse an untrusted input, then it will get confused if $rev contains
an option-like string like "--local-env-vars". Or even "--not-real",
which we'd keep as an option to pass along to rev-list.
Or even more importantly:
git rev-parse --verify "$rev"
can be confused by options, even though its purpose is safely parsing
untrusted input. On the plus side, it will always fail the --verify
part, as it will not have parsed a revision, so the caller will
generally "fail closed" rather than continue to use the untrusted
string. But it will still trigger whatever option was in "$rev"; this
should be mostly harmless, since rev-parse options are all read-only,
but I didn't carefully audit all paths.
This patch lets callers write:
git rev-parse --end-of-options "$rev" -- "$path"
and:
git rev-parse --verify --end-of-options "$rev"
which will both treat "$rev" always as a revision parameter. The latter
is a bit clunky. It would be nicer if we had defined "--verify" to
require that its next argument be the revision. But we have not
historically done so, and:
git rev-parse --verify -q "$rev"
does currently work. I added a test here to confirm that we didn't break
that.
A few implementation notes:
- We don't document --end-of-options explicitly in commands, but rather
in gitcli(7). So I didn't give it its own section in git-rev-parse(1).
But I did call it out specifically in the --verify section, and
include it in the examples, which should show best practices.
- We don't have to re-indent the main option-parsing block, because we
can combine our "did we see end of options" check with "does it start
with a dash". The exception is the pre-setup options, which need
their own block.
- We do however have to pull the "--" parsing out of the "does it start
with dash" block, because we want to parse it even if we've seen
--end-of-options.
- We'll leave "--end-of-options" in the output. This is probably not
technically necessary, as a careful caller will do:
git rev-parse --end-of-options $revs -- $paths
and anything in $revs will be resolved to an object id. However, it
does help a slightly less careful caller like:
git rev-parse --end-of-options $revs_or_paths
where a path "--foo" will remain in the output as long as it also
exists on disk. In that case, it's helpful to retain --end-of-options
to get passed along to rev-list, s it would otherwise see just
"--foo".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For the past 15 years, we've used the hardcoded 64 as the length
limit of the filename of the output from the "git format-patch"
command. Since the value is shorter than the 80-column terminal, it
could grow without line wrapping a bit. At the same time, since the
value is longer than half of the 80-column terminal, we could fit
two or more of them in "ls" output on such a terminal if we allowed
to lower it.
Introduce a new command line option --filename-max-length=<n> and a
new configuration variable format.filenameMaxLength to override the
hardcoded default.
While we are at it, remove a check that the name of output directory
does not exceed PATH_MAX---this check is pointless in that by the
time control reaches the function, the caller would already have
done an equivalent of "mkdir -p", so if the system does not like an
overly long directory name, the control wouldn't have reached here,
and otherwise, we know that the system allowed the output directory
to exist. In the worst case, we will get an error when we try to
open the output file and handle the error correctly anyway.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Exit codes from "git remote add" etc. were not usable by scripted
callers.
* ab/git-remote-exit-code:
remote: add meaningful exit code on missing/existing
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More preliminary tests have been added to document desired outcome
of various "directory rename" situations.
* en/dir-rename-tests:
t6423: more involved rules for renaming directories into each other
t6423: update directory rename detection tests with new rule
t6423: more involved directory rename test
directory-rename-detection.txt: update references to regression tests
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Fix misspelled "specified" and "occurred" in documentation and
comments.
Signed-off-by: Marlon Rac Cambasis <marlonrc08@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Early text written in 2006 explains the "--abbrev=<n>" option to
"show only a partial prefix", without saying that the length of the
partial prefix is not necessarily the number given to the option to
ensure that the output names the object uniquely.
Update documentation for the diff family of commands, "blame",
"branch --verbose", "ls-files" and "ls-tree" to stress that the
short prefix must uniquely refer to an object, and <n> is merely
the mininum number of hexdigits used in the prefix.
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update developer doc.
* jc/doc-final-resend:
SubmittingPatches: clarify the purpose of the final resend
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Doc update.
* es/tutorial-mention-asciidoc-early:
MyFirstContribution: clarify asciidoc dependency
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The userdiff pattern learned to identify the function definition in
POSIX shells and bash.
* ve/userdiff-bash:
userdiff: support Bash
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"git diff" family of commands learned the "-I<regex>" option to
ignore hunks whose changed lines all match the given pattern.
* mk/diff-ignore-regex:
diff: add -I<regex> that ignores matching changes
merge-base, xdiff: zero out xpparam_t structures
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"git diff A...B" learned "git diff --merge-base A B", which is a
longer short-hand to say the same thing.
* dl/diff-merge-base:
contrib/completion: complete `git diff --merge-base`
builtin/diff-tree: learn --merge-base
builtin/diff-index: learn --merge-base
t4068: add --merge-base tests
diff-lib: define diff_get_merge_base()
diff-lib: accept option flags in run_diff_index()
contrib/completion: extract common diff/difftool options
git-diff.txt: backtick quote command text
git-diff-index.txt: make --cached description a proper sentence
t4068: remove unnecessary >tmp
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Document that the meaning of a Signed-off-by trailer can vary from
project to project in the end-user documentation, and clarify what
it means to this project.
* bk/sob-dco:
Documentation: stylistically normalize references to Signed-off-by:
SubmittingPatches: clarify DCO is our --signoff rule
Documentation: clarify and expand description of --signoff
doc: preparatory clean-up of description on the sign-off option
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When "git commit-graph" detects the same commit recorded more than
once while it is merging the layers, it used to die. The code now
ignores all but one of them and continues.
* ds/commit-graph-merging-fix:
commit-graph: don't write commit-graph when disabled
commit-graph: ignore duplicates when merging layers
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Several Git commands can make use of the builtin userdiff patterns, but
it's not obvious in the documentation. Add pointers to the 'Defining a
custom hunk header' part of gitattributes(5) in the description of the
following options:
- the '--function-context' option of `git diff` and friends
- the '--function-context' option of `git grep`
- the '-L :<funcname>' option of `git log`, `gitk` and `git blame`
In 'git-grep.txt', take the opportunity to use backticks in the
description of '--show-function', and improve the wording of the
desription of '--function-context'.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make it clearer that a function can be blamed by feeding `git blame`
'-L :<funcname>' by mentioning it at the beginnning of the description
of the '-L' option.
Also, in 'line-range-options.txt', which is used for git-log(1) and
gitk(1), do not parenthesize the mention of the ':<funcname>' mode, to
place it on equal footing with the '<start>,<end>' mode.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Improve the formatting of the description of the line-range option '-L'
for `git log`, `gitk` and `git blame`:
- Use bold for <start>, <end> and <funcname>
- Use backticks for literals
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The description of the '-L' option for `git log` and `gitk` is almost
the same, but is repeated in both 'git-log.txt' and 'gitk.txt' (the
difference being that 'git-log.txt' lists the option with a space
after '-L', while 'gitk.txt' lists it as stuck and notes that `gitk`
only understands the stuck form).
Reduce duplication by creating a new file, 'line-range-options.txt',
and include it in both files.
To simplify the presentation, only list the stuck form for both
commands, and remove the note about `gitk` only understanding the stuck
form.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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First, references to --patch and -p appeared in the description of
git-format-patch, where the options themselves are not included.
Next, the description of --unified option elsewhere had duplicate implied
statements: "Implies --patch. Implies -p."
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Docfix.
* cc/doc-filter-branch-typofix:
filter-branch doc: fix filter-repo typo
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git checkout" learned to use checkout.guess configuration variable
and enable/disable its "--[no-]guess" option accordingly.
* dl/checkout-guess:
checkout: learn to respect checkout.guess
Documentation/config/checkout: replace sq with backticks
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"git checkout -p A...B [-- <path>]" did not work, even though the
same command without "-p" correctly used the merge-base between
commits A and B.
* dl/checkout-p-merge-base:
t2016: add a NEEDSWORK about the PERL prerequisite
add-patch: add NEEDSWORK about comparing commits
Doc: document "A...B" form for <tree-ish> in checkout and switch
builtin/checkout: fix `git checkout -p HEAD...` bug
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"git clone" learned clone.defaultremotename configuration variable
to customize what nickname to use to call the remote the repository
was cloned from.
* sb/clone-origin:
clone: allow configurable default for `-o`/`--origin`
clone: read new remote name from remote_name instead of option_origin
clone: validate --origin option before use
refs: consolidate remote name validation
remote: add tests for add and rename with invalid names
clone: use more conventional config/option layering
clone: add tests for --template and some disallowed option pairs
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"git push --force-with-lease[=<ref>]" can easily be misused to lose
commits unless the user takes good care of their own "git fetch".
A new option "--force-if-includes" attempts to ensure that what is
being force-pushed was created after examining the commit at the
tip of the remote ref that is about to be force-replaced.
* sk/force-if-includes:
t, doc: update tests, reference for "--force-if-includes"
push: parse and set flag for "--force-if-includes"
push: add reflog check for "--force-if-includes"
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"git maintenance", an extended big brother of "git gc", continues
to evolve.
* ds/maintenance-part-2:
maintenance: add incremental-repack auto condition
maintenance: auto-size incremental-repack batch
maintenance: add incremental-repack task
midx: use start_delayed_progress()
midx: enable core.multiPackIndex by default
maintenance: create auto condition for loose-objects
maintenance: add loose-objects task
maintenance: add prefetch task
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"git worktree list" now shows if each worktree is locked. This
possibly may open us to show other kinds of states in the future.
* rs/worktree-list-show-locked:
worktree: teach `list` to annotate locked worktree
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Change the exit code for the likes of "git remote add/rename" to exit
with 2 if the remote in question doesn't exist, and 3 if it
does. Before we'd just die() and exit with the general 128 exit code.
This changes the output message from e.g.:
fatal: remote origin already exists.
To:
error: remote origin already exists.
Which I believe is a feature, since we generally use "fatal" for the
generic errors, and "error" for the more specific ones with a custom
exit code, but this part of the change may break code that already
relies on stderr parsing (not that we ever supported that...).
The motivation for this is a discussion around some code in GitLab's
gitaly which wanted to check this, and had to parse stderr to do so:
https://gitlab.com/gitlab-org/gitaly/-/merge_requests/2695
It's worth noting as an aside that a method of checking this that
doesn't rely on that is to check with "git config" whether the value
in question does or doesn't exist. That introduces a TOCTOU race
condition, but on the other hand this code (e.g. "git remote add")
already has a TOCTOU race.
We go through the config.lock for the actual setting of the config,
but the pseudocode logic is:
read_config();
check_config_and_arg_sanity();
save_config();
So e.g. if a sleep() is added right after the remote_is_configured()
check in add() we'll clobber remote.NAME.url, and add another (usually
duplicate) remote.NAME.fetch entry (and other values, depending on
invocation).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Docfix.
* cc/doc-filter-branch-typofix:
filter-branch doc: fix filter-repo typo
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Support POSIX, bashism and mixed function declarations, all four
compound command types, trailing comments and mixed whitespace.
Even though Bash allows locale-dependent characters in function names
<https://unix.stackexchange.com/a/245336/3645>, only detect function
names with characters allowed by POSIX.1-2017
<https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_235>
for simplicity. This should cover the vast majority of use cases, and
produces system-agnostic results.
Since a word pattern has to be specified, but there is no easy way to
know the default word pattern, use the default `IFS` characters for a
starter. A later patch can improve this.
Signed-off-by: Victor Engmark <victor@engmark.name>
Acked-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new diff option that enables ignoring changes whose all lines
(changed, removed, and added) match a given regular expression. This is
similar to the -I/--ignore-matching-lines option in standalone diff
utilities and can be used e.g. to ignore changes which only affect code
comments or to look for unrelated changes in commits containing a large
number of automatically applied modifications (e.g. a tree-wide string
replacement). The difference between -G/-S and the new -I option is
that the latter filters output on a per-change basis.
Use the 'ignore' field of xdchange_t for marking a change as ignored or
not. Since the same field is used by --ignore-blank-lines, identical
hunk emitting rules apply for --ignore-blank-lines and -I. These two
options can also be used together in the same git invocation (they are
complementary to each other).
Rename xdl_mark_ignorable() to xdl_mark_ignorable_lines(), to indicate
that it is logically a "sibling" of xdl_mark_ignorable_regex() rather
than its "parent".
Signed-off-by: Michał Kępień <michal@isc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The name of the tool is 'git-filter-repo' not
'git-repo-filter'.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Jeff King
Marlon Rac Cambasis
Philippe Blain
Sergey Organov
Ævar Arnfjörð Bjarmason
Victor Engmark
Michał Kępień
Christian Couder