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We're manually parsing the HEAD reference in git-prompt to figure out
whether it is a symbolic or direct reference. This makes it intimately
tied to the on-disk format we use to store references and will stop
working once we gain additional reference backends in the Git project.
Ideally, we would refactor the code to exclusively use plumbing tools to
read refs such that we do not have to care about the on-disk format at
all. Unfortunately though, spawning processes can be quite expensive on
some systems like Windows. As the Git prompt logic may be executed quite
frequently we try very hard to spawn as few processes as possible. This
refactoring is thus out of question for now.
Instead, condition the logic on the repository's ref format: if the repo
uses the the "files" backend we can continue to use the old logic and
read the respective files from disk directly. If it's anything else,
then we use git-symbolic-ref(1) to read the value of HEAD.
This change makes the Git prompt compatible with the upcoming "reftable"
format.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Command line completion script (in contrib/) learned to work better
with the reftable backend.
* sh/completion-with-reftable:
completion: support pseudoref existence checks for reftables
completion: refactor existence checks for pseudorefs
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Command line completion (in contrib/) learned to complete path
arguments to the "add/set" subcommands of "git sparse-checkout"
better.
* en/complete-sparse-checkout:
completion: avoid user confusion in non-cone mode
completion: avoid misleading completions in cone mode
completion: fix logic for determining whether cone mode is active
completion: squelch stray errors in sparse-checkout completion
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In contrib/completion/git-completion.bash, there are a bunch of
instances where we read pseudorefs, such as HEAD, MERGE_HEAD,
REVERT_HEAD, and others via the filesystem. However, the upcoming
reftable refs backend won't use '.git/HEAD' at all but instead will
write an invalid refname as placeholder for backwards compatibility,
which will break the git-completion script.
Update the '__git_pseudoref_exists' function to:
1. Recognize the placeholder '.git/HEAD' written by the reftable
backend (its content is specified in the reftable specs).
2. If reftable is in use, use 'git rev-parse' to determine whether the
given ref exists.
3. Otherwise, continue to use 'test -f' to check for the ref's filename.
Signed-off-by: Stan Hu <stanhu@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for the reftable backend, this commit introduces a
'__git_pseudoref_exists' function that continues to use 'test -f' to
determine whether a given pseudoref exists in the local filesystem.
Signed-off-by: Stan Hu <stanhu@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Newer versions of Getopt::Long started giving warnings against our
(ab)use of it in "git send-email". Bump the minimum version
requirement for Perl to 5.8.1 (from September 2002) to allow
simplifying our implementation.
* tz/send-email-negatable-options:
send-email: avoid duplicate specification warnings
perl: bump the required Perl version to 5.8.1 from 5.8.0
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Test and shell scripts clean-up.
* ps/ban-a-or-o-operator-with-test:
Makefile: stop using `test -o` when unlinking duplicate executables
contrib/subtree: convert subtree type check to use case statement
contrib/subtree: stop using `-o` to test for number of args
global: convert trivial usages of `test <expr> -a/-o <expr>`
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Update the base topic to work with CMake builds.
* js/doc-unit-tests-with-cmake:
cmake: handle also unit tests
cmake: use test names instead of full paths
cmake: fix typo in variable name
artifacts-tar: when including `.dll` files, don't forget the unit-tests
unit-tests: do show relative file paths
unit-tests: do not mistake `.pdb` files for being executable
cmake: also build unit tests
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It is tempting to think of "files and directories" of the current
directory as valid inputs to the add and set subcommands of git
sparse-checkout. However, in non-cone mode, they often aren't and using
them as potential completions leads to *many* forms of confusion:
Issue #1. It provides the *wrong* files and directories.
For
git sparse-checkout add
we always want to add files and directories not currently in our sparse
checkout, which means we want file and directories not currently present
in the current working tree. Providing the files and directories
currently present is thus always wrong.
For
git sparse-checkout set
we have a similar problem except in the subset of cases where we are
trying to narrow our checkout to a strict subset of what we already
have. That is not a very common scenario, especially since it often
does not even happen to be true for the first use of the command; for
years we required users to create a sparse-checkout via
git sparse-checkout init
git sparse-checkout set <args...>
(or use a clone option that did the init step for you at clone time).
The init command creates a minimal sparse-checkout with just the
top-level directory present, meaning the set command has to be used to
expand the checkout. Thus, only in a special and perhaps unusual cases
would any of the suggestions from normal file and directory completion
be appropriate.
Issue #2: Suggesting patterns that lead to warnings is unfriendly.
If the user specifies any regular file and omits the leading '/', then
the sparse-checkout command will warn the user that their command is
problematic and suggest they use a leading slash instead.
Issue #3: Completion gets confused by leading '/', and provides wrong paths.
Users often want to anchor their patterns to the toplevel of the
repository, especially when listing individual files. There are a
number of reasons for this, but notably even sparse-checkout encourages
them to do so (as noted above). However, if users do so (via adding a
leading '/' to their pattern), then bash completion will interpret the
leading slash not as a request for a path at the toplevel of the
repository, but as a request for a path at the root of the filesytem.
That means at best that completion cannot help with such paths, and if
it does find any completions, they are almost guaranteed to be wrong.
Issue #4: Suggesting invalid patterns from subdirectories is unfriendly.
There is no per-directory equivalent to .gitignore with
sparse-checkouts. There is only a single worktree-global
$GIT_DIR/info/sparse-checkout file. As such, paths to files must be
specified relative to the toplevel of a repository. Providing
suggestions of paths that are relative to the current working directory,
as bash completion defaults to, is wrong when the current working
directory is not the worktree toplevel directory.
Issue #5: Paths with special characters will be interpreted incorrectly
The entries in the sparse-checkout file are patterns, not paths. While
most paths also qualify as patterns (though even in such cases it would
be better for users to not use them directly but prefix them with a
leading '/'), there are a variety of special characters that would need
special escaping beyond the normal shell escaping: '*', '?', '\', '[',
']', and any leading '#' or '!'. If completion suggests any such paths,
users will likely expect them to be treated as an exact path rather than
as a pattern that might match some number of files other than 1.
However, despite the first four issues, we can note that _if_ users are
using tab completion, then they are probably trying to specify a path in
the index. As such, we transform their argument into a top-level-rooted
pattern that matches such a file. For example, if they type:
git sparse-checkout add Make<TAB>
we could "complete" to
git sparse-checkout add /Makefile
or, if they ran from the Documentation/technical/ subdirectory:
git sparse-checkout add m<TAB>
we could "complete" it to:
git sparse-checkout add /Documentation/technical/multi-pack-index.txt
Note in both cases I use "complete" in quotes, because we actually add
characters both before and after the argument in question, so we are
kind of abusing "bash completions" to be "bash completions AND
beginnings".
The fifth issue is a bit stickier, especially when you consider that we
not only need to deal with escaping issues because of special meanings
of patterns in sparse-checkout & gitignore files, but also that we need
to consider escaping issues due to ls-files needing to sometimes quote
or escape characters, and because the shell needs to escape some
characters. The multiple interacting forms of escaping could get ugly;
this patch makes no attempt to do so and simply documents that we
decided to not deal with those corner cases for now but at least get the
common cases right.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "set" and "add" subcommands of "sparse-checkout", when in cone mode,
should only complete on directories. For bash_completion in general,
when no completions are returned for any subcommands, it will often fall
back to standard completion of files and directories as a substitute.
That is not helpful here. Since we have already looked for all valid
completions, if none are found then falling back to standard bash file
and directory completion is at best actively misleading. In fact, there
are three different ways it can be actively misleading. Add a long
comment in the code about how that fallback behavior can deceive, and
disable the fallback by returning a fake result as the sole completion.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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_git_sparse_checkout() was checking whether we were in cone mode by
checking whether either:
A) core.sparseCheckoutCone was "true"
B) "--cone" was specified on the command line
This code has 2 bugs I didn't catch in my review at the time
1) core.sparseCheckout must be "true" for core.sparseCheckoutCone to
be relevant (which matters since "git sparse-checkout disable"
only unsets core.sparseCheckout, not core.sparseCheckoutCone)
2) The presence of "--no-cone" should override any config setting
Further, I forgot to update this logic as part of 2d95707a02
("sparse-checkout: make --cone the default", 2022-04-22) for the new
default.
Update the code for the new default and make it be more careful in
determining whether to complete based on cone mode or non-cone mode.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If, in the root of a project, one types
git sparse-checkout set --cone ../<TAB>
then an error message of the form
fatal: ../: '../' is outside repository at '/home/newren/floss/git'
is written to stderr, which munges the users view of their own command.
Squelch such messages by using the __git() wrapper, designed for this
purpose; see commit e15098a314 (completion: consolidate silencing errors
from git commands, 2017-02-03) for more on the wrapper.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The following commit will make use of a Getopt::Long feature which is
only present in Perl >= 5.8.1. Document that as the minimum version we
support.
Many of our Perl scripts will continue to run with 5.8.0 but this change
allows us to adjust them as needed without breaking any promises to our
users.
The Perl requirement was last changed in d48b284183 (perl: bump the
required Perl version to 5.8 from 5.6.[21], 2010-09-24). At that time,
5.8.0 was 8 years old. It is now over 21 years old.
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `subtree_for_commit ()` helper function asserts that the subtree
identified by its parameters are either a commit or tree. This is done
via the `-o` parameter of test, which is discouraged.
Refactor the code to instead use a switch statement over the type.
Despite being aligned with our coding guidelines, the resulting code is
arguably also easier to read.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Functions in git-subtree.sh all assert that they are being passed the
correct number of arguments. In cases where we accept a variable number
of arguments we assert this via a single call to `test` with `-o`, which
is discouraged by our coding guidelines.
Convert these cases to stop doing so. This requires us to decompose
assertions of the style `assert test $# = 2 -o $# = 3` into two calls
because we have no easy way to logically chain statements passed to the
assert function.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our coding guidelines say to not use `test` with `-a` and `-o` because
it can easily lead to bugs. Convert trivial cases where we still use
these to instead instead concatenate multiple invocations of `test` via
`&&` and `||`, respectively.
While not all of the converted instances can cause ambiguity, it is
worth getting rid of all of them regardless:
- It becomes easier to reason about the code as we do not have to
argue why one use of `-a`/`-o` is okay while another one isn't.
- We don't encourage people to use these expressions.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The unit tests should also be available e.g. in Visual Studio's Test
Explorer when configuring Git's source code via CMake.
Suggested-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The primary purpose of Git's CMake definition is to allow developing Git
in Visual Studio. As part of that, the CTest feature allows running
individual test scripts conveniently in Visual Studio's Test Explorer.
However, this Test Explorer's design targets object-oriented languages
and therefore expects the test names in the form
`<namespace>.<class>.<testname>`. And since we specify the full path
of the test scripts instead, including the ugly `/.././t/` part, these
dots confuse the Test Explorer and it uses a large part of the path as
"namespace".
Let's just use `t.suite.<name>` instead. This presents the tests in
Visual Studio's Test Explorer in the following form by default (i.e.
unless the user changes the view via the "Group by" menu):
◢ ◈ git
◢ ◈ t
◢ ◈ suite
◈ t0000-basic
◈ t0001-init
◈ t0002-gitfile
[...]
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A new, better way to run unit tests was just added to Git. This adds
support for building those unit tests via CMake.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Another step to deprecate test_i18ngrep.
* jc/test-i18ngrep:
tests: teach callers of test_i18ngrep to use test_grep
test framework: further deprecate test_i18ngrep
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They are equivalents and the former still exists, so as long as the
only change this commit makes are to rewrite test_i18ngrep to
test_grep, there won't be any new bug, even if there still are
callers of test_i18ngrep remaining in the tree, or when merged to
other topics that add new uses of test_i18ngrep.
This patch was produced more or less with
git grep -l -e 'test_i18ngrep ' 't/t[0-9][0-9][0-9][0-9]-*.sh' |
xargs perl -p -i -e 's/test_i18ngrep /test_grep /'
and a good way to sanity check the result yourself is to run the
above in a checkout of c4603c1c (test framework: further deprecate
test_i18ngrep, 2023-10-31) and compare the resulting working tree
contents with the result of applying this patch to the same commit.
You'll see that test_i18ngrep in a few t/lib-*.sh files corrected,
in addition to the manual reproduction.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many typos, ungrammatical sentences and wrong phrasing have been
fixed.
* sn/typo-grammo-phraso-fixes:
t/README: fix multi-prerequisite example
doc/gitk: s/sticked/stuck/
git-jump: admit to passing merge mode args to ls-files
doc/diff-options: improve wording of the log.diffMerges mention
doc: fix some typos, grammar and wording issues
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'--dd' only makes sense for 'git log' and 'git show', so add it to
__git_log_show_options which is referenced in the completion for these
two commands.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's even an example of such usage in the README.
Fixes: 67ba13e5a4b2 ("git-jump: pass "merge" arguments to ls-files")
Signed-off-by: Štěpán Němec <stepnem@smrk.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Štěpán Němec <stepnem@smrk.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Recently we started to tell users to spell ": git foo ;" with
space(s) around 'foo' for an alias to be completed similarly
to the 'git foo' command. It however is easy to also allow users to
spell it in a more natural way with the semicolon attached to 'foo',
i.e. ": git foo;". Also, add a comment to note that 'git' is optional
and writing ": foo;" would complete the alias just fine.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Clarify how "alias.foo = : git cmd ; aliased-command-string" should
be spelled with necessary whitespaces around punctuation marks to
work.
* pb/completion-aliases-doc:
completion: improve doc for complex aliases
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The command-line complation support (in contrib/) learned to
complete "git commit --trailer=" for possible trailer keys.
* pb/complete-commit-trailers:
completion: commit: complete trailers tokens more robustly
completion: commit: complete configured trailer tokens
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The completion script (in contrib/) has been taught to treat the
"-t" option to "git checkout" and "git switch" just like the
"--track" option, to complete remote-tracking branches.
* js/complete-checkout-t:
completion(switch/checkout): treat --track and -t the same
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The completion code can be told to use a particular completion for
aliases that shell out by using ': git <cmd> ;' as the first command of
the alias. This only works if <cmd> and the semicolon are separated by a
space, since if the space is missing __git_aliased_command returns (for
example) 'checkout;' instead of just 'checkout', and then
__git_complete_command fails to find a completion for 'checkout;'.
The examples have that space but it's not clear if it's just for
style or if it's mandatory. Explicitly mention it.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the previous commit, we added support for completing configured
trailer tokens in 'git commit --trailer'.
Make the implementation more robust by:
- using '__git' instead of plain 'git', as the rest of the completion
script does
- using a stricter pattern for --get-regexp to avoid false hits
- using 'cut' and 'rev' instead of 'awk' to account for tokens including
dots.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When `git switch --track ` is to be completed, only remote refs are
eligible because that is what the `--track` option targets.
And when the short-hand `-t` is used instead, the same _should_ happen.
Let's make it so.
Note that the bug exists both in the completions of `switch` and
`completion`, even if it manifests in slightly different ways: While
the completion of `git switch -t ` will not even look at remote refs,
the completion of `git checkout -t ` will look at both remote _and_
local refs. Both should look only at remote refs.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 2daae3d1d1 (commit: add --trailer option, 2021-03-23), 'git
commit' can add trailers to commit messages. To make that feature more
pleasant to use at the command line, update the Bash completion code to
offer configured trailer tokens.
Add a __git_trailer_tokens function to list the configured trailers
tokens, and use it in _git_commit to suggest the configured tokens,
suffixing the completion words with ':' so that the user only has to add
the trailer value.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update two credential helpers to correctly match which credential
to erase; they dropped not the ones with stale password.
* mh/credential-erase-improvements-more:
credential/wincred: erase matching creds only
credential/libsecret: erase matching creds only
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The way authentication related data other than passwords (e.g.
oath token and password expiration data) are stored in libsecret
keyrings has been rethought.
* mh/credential-libsecret-attrs:
credential/libsecret: store new attributes
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"git cmd -h" learned to signal which options can be negated by
listing such options like "--[no-]opt".
* rs/parse-options-negation-help:
parse-options: simplify usage_padding()
parse-options: no --[no-]no-...
parse-options: factor out usage_indent() and usage_padding()
parse-options: show negatability of options in short help
t1502: test option negation
t1502: move optionspec help output to a file
t1502, docs: disallow --no-help
subtree: disallow --no-{help,quiet,debug,branch,message}
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Windows updates.
* ds/maintenance-on-windows-fix:
git maintenance: avoid console window in scheduled tasks on Windows
win32: add a helper to run `git.exe` without a foreground window
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On Windows, there are two kinds of executables, console ones and
non-console ones. Git's executables are all console ones.
When launching the former e.g. in a scheduled task, a CMD window pops
up. This is not what we want for the tasks installed via the `git
maintenance` command.
To work around this, let's introduce `headless-git.exe`, which is a
non-console program that does _not_ pop up any window. All it does is to
re-launch `git.exe`, suppressing that console window, passing through
all command-line arguments as-are.
Helped-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Helped-by: Yuyi Wang <Strawberry_Str@hotmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a "[no-]" prefix to options without the flag PARSE_OPT_NONEG to
document the fact that you can negate them.
This looks a bit strange for options that already start with "no-", e.g.
for the option --no-name of git show-branch:
--[no-]no-name suppress naming strings
You can actually use --no-no-name as an alias of --name, so the short
help is not wrong. If we strip off any of the "no-"s, we lose either
the ability to see if the remaining one belongs to the documented
variant or to see if it can be negated.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git subtree" only handles the negated variant of the options annotate,
prefix, onto, rejoin, ignore-joins and squash explicitly. help is
handled by "git rev-parse --parseopt" implicitly, but not its negated
form. Disable negation for it and the for the rest of the options to
get a helpful error message when trying them.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The credential erase request typically includes protocol, host, username
and password.
credential-wincred erases stored credentials that match protocol,
host and username, regardless of password.
This is confusing in the case the stored password differs from that
in the request. This case can occur when multiple credential helpers are
configured.
Only erase credential if stored password matches request (or request
omits password).
This fixes test "helper (wincred) does not erase a password distinct
from input" when t0303 is run with GIT_TEST_CREDENTIAL_HELPER set to
"wincred". This test was added in aeb21ce22e (credential: avoid
erasing distinct password, 2023-06-13).
Signed-off-by: M Hickford <mirth.hickford@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The credential erase request typically includes protocol, host, username
and password.
credential-libsecret erases a stored credential if it matches protocol,
host and username, regardless of password.
This is confusing in the case the stored password differs from that
in the request. This case can occur when multiple credential helpers are
configured.
Only erase credential if stored password matches request (or request
omits password).
This fixes test "helper (libsecret) does not erase a password distinct
from input" when t0303 is run with GIT_TEST_CREDENTIAL_HELPER set to
"libsecret". This test was added in aeb21ce22e (credential: avoid
erasing distinct password, 2023-06-13).
Signed-off-by: M Hickford <mirth.hickford@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reduce reliance on a global state in the config reading API.
* gc/config-context:
config: pass source to config_parser_event_fn_t
config: add kvi.path, use it to evaluate includes
config.c: remove config_reader from configsets
config: pass kvi to die_bad_number()
trace2: plumb config kvi
config.c: pass ctx with CLI config
config: pass ctx with config files
config.c: pass ctx in configsets
config: add ctx arg to config_fn_t
urlmatch.h: use config_fn_t type
config: inline git_color_default_config
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Completion updates.
* pb/complete-diff-options: (24 commits)
diff.c: mention completion above add_diff_options
completion: complete --remerge-diff
completion: complete --diff-merges, its options and --no-diff-merges
completion: move --pickaxe-{all,regex} to __git_diff_common_options
completion: complete --ws-error-highlight
completion: complete --unified
completion: complete --output-indicator-{context,new,old}
completion: complete --output
completion: complete --no-stat
completion: complete --no-relative
completion: complete --line-prefix
completion: complete --ita-invisible-in-index and --ita-visible-in-index
completion: complete --irreversible-delete
completion: complete --ignore-matching-lines
completion: complete --function-context
completion: complete --find-renames
completion: complete --find-object
completion: complete --find-copies
completion: complete --default-prefix
completion: complete --compact-summary
...
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Plumb "struct key_value_info" through all code paths that end in
die_bad_number(), which lets us remove the helper functions that read
analogous values from "struct config_reader". As a result, nothing reads
config_reader.config_kvi any more, so remove that too.
In config.c, this requires changing the signature of
git_configset_get_value() to 'return' "kvi" in an out parameter so that
git_configset_get_<type>() can pass it to git_config_<type>(). Only
numeric types will use "kvi", so for non-numeric types (e.g.
git_configset_get_string()), pass NULL to indicate that the out
parameter isn't needed.
Outside of config.c, config callbacks now need to pass "ctx->kvi" to any
of the git_config_<type>() functions that parse a config string into a
number type. Included is a .cocci patch to make that refactor.
The only exceptional case is builtin/config.c, where git_config_<type>()
is called outside of a config callback (namely, on user-provided input),
so config source information has never been available. In this case,
die_bad_number() defaults to a generic, but perfectly descriptive
message. Let's provide a safe, non-NULL for "kvi" anyway, but make sure
not to change the message.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new "const struct config_context *ctx" arg to config_fn_t to hold
additional information about the config iteration operation.
config_context has a "struct key_value_info kvi" member that holds
metadata about the config source being read (e.g. what kind of config
source it is, the filename, etc). In this series, we're only interested
in .kvi, so we could have just used "struct key_value_info" as an arg,
but config_context makes it possible to add/adjust members in the future
without changing the config_fn_t signature. We could also consider other
ways of organizing the args (e.g. moving the config name and value into
config_context or key_value_info), but in my experiments, the
incremental benefit doesn't justify the added complexity (e.g. a
config_fn_t will sometimes invoke another config_fn_t but with a
different config value).
In subsequent commits, the .kvi member will replace the global "struct
config_reader" in config.c, making config iteration a global-free
operation. It requires much more work for the machinery to provide
meaningful values of .kvi, so for now, merely change the signature and
call sites, pass NULL as a placeholder value, and don't rely on the arg
in any meaningful way.
Most of the changes are performed by
contrib/coccinelle/config_fn_ctx.pending.cocci, which, for every
config_fn_t:
- Modifies the signature to accept "const struct config_context *ctx"
- Passes "ctx" to any inner config_fn_t, if needed
- Adds UNUSED attributes to "ctx", if needed
Most config_fn_t instances are easily identified by seeing if they are
called by the various config functions. Most of the remaining ones are
manually named in the .cocci patch. Manual cleanups are still needed,
but the majority of it is trivial; it's either adjusting config_fn_t
that the .cocci patch didn't catch, or adding forward declarations of
"struct config_context ctx" to make the signatures make sense.
The non-trivial changes are in cases where we are invoking a config_fn_t
outside of config machinery, and we now need to decide what value of
"ctx" to pass. These cases are:
- trace2/tr2_cfg.c:tr2_cfg_set_fl()
This is indirectly called by git_config_set() so that the trace2
machinery can notice the new config values and update its settings
using the tr2 config parsing function, i.e. tr2_cfg_cb().
- builtin/checkout.c:checkout_main()
This calls git_xmerge_config() as a shorthand for parsing a CLI arg.
This might be worth refactoring away in the future, since
git_xmerge_config() can call git_default_config(), which can do much
more than just parsing.
Handle them by creating a KVI_INIT macro that initializes "struct
key_value_info" to a reasonable default, and use that to construct the
"ctx" arg.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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--remerge-diff only makes sense for 'git log' and 'git show', so add it
to __git_log_show_options which is referenced in the completion for
these two commands.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The flags --[no-]diff-merges only make sense for 'git log' and 'git
show', so add a new variable __git_log_show_options for options only
relevant to these two commands, and add them there. Also add
__git_diff_merges_opts and list the accepted values for --diff-merges,
and use it in _git_log and _git_show.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The options --pickaxe-all and --pickaxe-regex are listed in
__git_diff_difftool_options and repeated in _git_log. Move them to
__git_diff_common_options instead, which makes them available
automatically in the completion of other commands referencing this
variable.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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