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"git merge-tree --stdin" is a new way to request a series of merges
and report the merge results.
* en/merge-tree-sequence:
merge-tree: support multiple batched merges with --stdin
merge-tree: update documentation for differences in -z output
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Define the logical elements of a "bundle list", data structure to
store them in-core, format to transfer them, and code to parse
them.
* ds/bundle-uri-3:
bundle-uri: suppress stderr from remote-https
bundle-uri: quiet failed unbundlings
bundle: add flags to verify_bundle()
bundle-uri: fetch a list of bundles
bundle: properly clear all revision flags
bundle-uri: limit recursion depth for bundle lists
bundle-uri: parse bundle list in config format
bundle-uri: unit test "key=value" parsing
bundle-uri: create "key=value" line parsing
bundle-uri: create base key-value pair parsing
bundle-uri: create bundle_list struct and helpers
bundle-uri: use plain string in find_temp_filename()
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"git branch --edit-description" can exit with status -1 which is
not a good practice; it learned to use 1 as everybody else instead.
* rj/branch-do-not-exit-with-minus-one-status:
branch: error code with --edit-description
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Code simplification.
* rj/branch-copy-rename-error-codepath-cleanup:
branch: error copying or renaming a detached HEAD
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Fix some bugs in the reflog messages when rebasing and changes the
reflog messages of "rebase --apply" to match "rebase --merge" with
the aim of making the reflog easier to parse.
* pw/rebase-reflog-fixes:
rebase: cleanup action handling
rebase --abort: improve reflog message
rebase --apply: make reflog messages match rebase --merge
rebase --apply: respect GIT_REFLOG_ACTION
rebase --merge: fix reflog message after skipping
rebase --merge: fix reflog when continuing
t3406: rework rebase reflog tests
rebase --apply: remove duplicated code
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"git rebase --keep-base" used to discard the commits that are
already cherry-picked to the upstream, even when "keep-base" meant
that the base, on top of which the history is being rebuilt, does
not yet include these cherry-picked commits. The --keep-base
option now implies --reapply-cherry-picks and --no-fork-point
options.
* pw/rebase-keep-base-fixes:
rebase --keep-base: imply --no-fork-point
rebase --keep-base: imply --reapply-cherry-picks
rebase: factor out branch_base calculation
rebase: rename merge_base to branch_base
rebase: store orig_head as a commit
rebase: be stricter when reading state files containing oids
t3416: set $EDITOR in subshell
t3416: tighten two tests
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"git shortlog" learned to group by the "format" string.
* tb/shortlog-group:
shortlog: implement `--group=committer` in terms of `--group=<format>`
shortlog: implement `--group=author` in terms of `--group=<format>`
shortlog: extract `shortlog_finish_setup()`
shortlog: support arbitrary commit format `--group`s
shortlog: extract `--group` fragment for translation
shortlog: make trailer insertion a noop when appropriate
shortlog: accept `--date`-related options
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The way "git repack" creared temporary files when it received a
signal was prone to deadlocking, which has been corrected.
* jk/repack-tempfile-cleanup:
t7700: annotate cruft-pack failure with ok=sigpipe
repack: drop remove_temporary_files()
repack: use tempfiles for signal cleanup
repack: expand error message for missing pack files
repack: populate extension bits incrementally
repack: convert "names" util bitfield to array
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A new "--include-whitespace" option is added to "git patch-id", and
existing bugs in the internal patch-id logic that did not match
what "git patch-id" produces have been corrected.
* jz/patch-id:
builtin: patch-id: remove unused diff-tree prefix
builtin: patch-id: add --verbatim as a command mode
patch-id: fix patch-id for mode changes
builtin: patch-id: fix patch-id with binary diffs
patch-id: use stable patch-id for rebases
patch-id: fix stable patch id for binary / header-only
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When creating a multi-pack bitmap, remove per-pack bitmap files
unconditionally as they will never be consulted.
* tb/remove-unused-pack-bitmap:
builtin/repack.c: remove redundant pack-based bitmaps
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The short-help text shown by "git cmd -h" and the synopsis text
shown at the beginning of "git help cmd" have been made more
consistent.
* ab/doc-synopsis-and-cmd-usage: (34 commits)
tests: assert consistent whitespace in -h output
tests: start asserting that *.txt SYNOPSIS matches -h output
doc txt & -h consistency: make "worktree" consistent
worktree: define subcommand -h in terms of command -h
reflog doc: list real subcommands up-front
doc txt & -h consistency: make "commit" consistent
doc txt & -h consistency: make "diff-tree" consistent
doc txt & -h consistency: use "[<label>...]" for "zero or more"
doc txt & -h consistency: make "annotate" consistent
doc txt & -h consistency: make "stash" consistent
doc txt & -h consistency: add missing options
doc txt & -h consistency: use "git foo" form, not "git-foo"
doc txt & -h consistency: make "bundle" consistent
doc txt & -h consistency: make "read-tree" consistent
doc txt & -h consistency: make "rerere" consistent
doc txt & -h consistency: add missing options and labels
doc txt & -h consistency: make output order consistent
doc txt & -h consistency: add or fix optional "--" syntax
doc txt & -h consistency: fix mismatching labels
doc SYNOPSIS & -h: use "-" to separate words in labels, not "_"
...
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Move a global variable added as a hack during regression fixes to
its proper place in the API.
* ab/run-hook-api-cleanup:
run-command.c: remove "max_processes", add "const" to signal() handler
run-command.c: pass "opts" further down, and use "opts->processes"
run-command.c: use "opts->processes", not "pp->max_processes"
run-command.c: don't copy "data" to "struct parallel_processes"
run-command.c: don't copy "ungroup" to "struct parallel_processes"
run-command.c: don't copy *_fn to "struct parallel_processes"
run-command.c: make "struct parallel_processes" const if possible
run-command API: move *_tr2() users to "run_processes_parallel()"
run-command API: have run_process_parallel() take an "opts" struct
run-command.c: use designated init for pp_init(), add "const"
run-command API: don't fall back on online_cpus()
run-command API: make "n" parameter a "size_t"
run-command tests: use "return", not "exit"
run-command API: have "run_processes_parallel{,_tr2}()" return void
run-command test helper: use "else if" pattern
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When geometric repacking feature is in use together with the
--pack-kept-objects option, we lost packs marked with .keep files.
* tb/save-keep-pack-during-geometric-repack:
repack: don't remove .keep packs with `--pack-kept-objects`
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More UNUSED annotation to help using -Wunused option with the
compiler.
* jk/unused-anno-more:
ll-merge: mark unused parameters in callbacks
diffcore-pickaxe: mark unused parameters in pickaxe functions
convert: mark unused parameter in null stream filter
apply: mark unused parameters in noop error/warning routine
apply: mark unused parameters in handlers
date: mark unused parameters in handler functions
string-list: mark unused callback parameters
object-file: mark unused parameters in hash_unknown functions
mark unused parameters in trivial compat functions
update-index: drop unused argc from do_reupdate()
submodule--helper: drop unused argc from module_list_compute()
diffstat_consume(): assert non-zero length
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Since c2d17ba3db0d (branch --edit-description: protect against mistyped
branch name, 2012-02-05) we return -1 on error editing the branch
description.
Let's change to 1, which follows the established convention and it is
better for portability reasons.
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In c847f53712 (Detached HEAD (experimental), 2007-01-01) an error
condition was introduced in rename_branch() to prevent renaming, later
also copying, a detached HEAD.
The condition used was checking for NULL in oldname, the source branch
to rename/copy. That condition cannot be satisfied because if no source
branch is specified, HEAD is going to be used in the call.
The error issued instead is:
fatal: Invalid branch name: 'HEAD'
Let's remove the condition in copy_or_rename_branch() (the current
function name) and check for HEAD before calling it, dying with the
original intended error if we're in a detached HEAD.
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git diff rev^!" did not show combined diff to go to the rev from
its parents.
* rs/diff-caret-bang-with-parents:
diff: support ^! for merges
revisions.txt: unspecify order of resolved parts of ^!
revision: use strtol_i() for exclude_parent
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The last git version that had "diff-tree" in the header text
of "git diff-tree" output was v1.3.0 from 2006. The header text
was changed from "diff-tree" to "commit" in 91539833
("Log message printout cleanups").
Given how long ago this change was made, it is highly unlikely that
anyone is still feeding in outputs from that git version.
Remove the handling of the "diff-tree" prefix and document the
source of the other prefixes so that the overall functionality
is more clear.
Signed-off-by: Jerry Zhang <Jerry@skydio.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are situations where the user might not want the default
setting where patch-id strips all whitespace. They might be working
in a language where white space is syntactically important, or they
might have CI testing that enforces strict whitespace linting. In
these cases, a whitespace change would result in the patch
fundamentally changing, and thus deserving of a different id.
Add a new mode that is exclusive of --stable and --unstable called
--verbatim. It also corresponds to the config
patchid.verbatim = true. In this mode, the stable algorithm is
used and whitespace is not stripped from the patch text.
Users of --unstable mainly care about compatibility with old git
versions, which unstripping the whitespace would break. Thus there
isn't a usecase for the combination of --verbatim and --unstable,
and we don't expose this so as to not add maintainence burden.
Signed-off-by: Jerry Zhang <jerry@skydio.com>
fixes https://github.com/Skydio/revup/issues/2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git patch-id" currently doesn't produce correct output if the
incoming diff has any binary files. Add logic to get_one_patchid
to handle the different possible styles of binary diff. This
attempts to keep resulting patch-ids identical to what would be
produced by the counterpart logic in diff.c, that is it produces
the id by hashing the a and b oids in succession.
In general we handle binary diffs by first caching the object ids from
the "index" line and using those if we then find an indication
that the diff is binary.
The input could contain patches generated with "git diff --binary". This
currently breaks the parse logic and results in multiple patch-ids
output for a single commit. Here we have to skip the contents of the
patch itself since those do not go into the patch id. --binary
implies --full-index so the object ids are always available.
When the diff is generated with --full-index there is no patch content
to skip over.
When a diff is generated without --full-index or --binary, it will
contain abbreviated object ids. This will still result in a sufficiently
unique patch-id when hashed, but does not match internal patch id
output. We'll call this ok for now as we already need specialized
arguments to diff in order to match internal patch id (namely -U3).
Signed-off-by: Jerry Zhang <Jerry@skydio.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git doesn't persist patch-ids during the rebase process, so there is
no need to specifically invoke the unstable variant. Use the stable
logic for all internal patch-id calculations to minimize the number of
code paths and improve test coverage.
Signed-off-by: Jerry Zhang <jerry@skydio.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the same spirit as the previous commit, reimplement
`--group=committer` as a special case of `--group=<format>`, too.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of handling SHORTLOG_GROUP_AUTHOR separately, reimplement it as
a special case of the new `--group=<format>` mode, where the author mode
is a shorthand for `--group='%aN <%aE>'.
Note that we still need to keep the SHORTLOG_GROUP_AUTHOR enum since it
has a different meaning in `read_from_stdin()`, where it is still used
for a different purpose.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Extract a function which finishes setting up the shortlog struct for
use. The caller in `make_cover_letter()` does not care about trailer
sorting, so it isn't strictly necessary to add a call there in this
patch.
But the next patch will add additional functionality to the new
`shortlog_finish_setup()` function, which the caller in
`make_cover_letter()` will care about.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In addition to generating a shortlog based on committer, author, or the
identity in one or more specified trailers, it can be useful to generate
a shortlog based on an arbitrary commit format.
This can be used, for example, to generate a distribution of commit
activity over time, like so:
$ git shortlog --group='%cd' --date='format:%Y-%m' -s v2.37.0..
117 2022-06
274 2022-07
324 2022-08
263 2022-09
7 2022-10
Arbitrary commit formats can be used. In fact, `git shortlog`'s default
behavior (to count by commit authors) can be emulated as follows:
$ git shortlog --group='%aN <%aE>' ...
and future patches will make the default behavior (as well as
`--committer`, and `--group=trailer:<trailer>`) special cases of the
more flexible `--group` option.
Note also that the SHORTLOG_GROUP_FORMAT enum value is used only to
designate that `--group:<format>` is in use when in stdin mode to
declare that the combination is invalid.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The subsequent commit will add another unhandled case in
`read_from_stdin()` which will want to use the same message as with
`--group=trailer`.
Extract the "--group=trailer" part from this message so the same
translation key can be used for both cases.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When there are no trailers to insert, it is natural that
insert_records_from_trailers() should return without having done any
work.
But instead we guard this call unnecessarily by first checking whether
`log->groups` has the `SHORTLOG_GROUP_TRAILER` bit set.
Prepare to match a similar pattern in the future where a function which
inserts records of a certain type does no work when no specifiers
matching that type are given.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Prepare for a future patch which will introduce arbitrary pretty formats
via the `--group` argument.
To allow additional customizability (for example, to support something
like `git shortlog -s --group='%aD' --date='format:%Y-%m' ...` (which
groups commits by the datestring 'YYYY-mm' according to author date), we
must store off the `--date` parsed from calling `parse_revision_opt()`.
Note that this also affects custom output `--format` strings in `git
shortlog`. Though this is a behavior change, this is arguably fixing a
long-standing bug (ie., that `--format` strings are not affected by
`--date` specifiers as they should be).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add an option, --stdin, to merge-tree which will accept lines of input
with two branches to merge per line, and which will perform all the
merges and give output for each in turn. This option implies -z, and
modifies the output to also include a merge status since the exit code
of the program can no longer convey that information now that multiple
merges are involved.
This could be useful, for example, by Git hosting providers. When one
branch is updated, one may want to check whether all code reviews
targetting that branch can still cleanly merge. Avoiding the overhead
of starting up a separate process for each of those code reviews might
provide significant savings in a repository with many code reviews.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After we've successfully finished the repack, we call
remove_temporary_files(), which looks for and removes any files matching
".tmp-$$-pack-*", where $$ is the pid of the current process. But this
is pointless. If we make it this far in the process, we've already
renamed these tempfiles into place, and there is nothing left to delete.
Nor is there a point in trying to call it to clean up when we _aren't_
successful. It's not safe for using in a signal handler, and the
previous commit already handed that job over to the tempfile API.
It might seem like it would be useful to clean up stray .tmp files left
by other invocations of git-repack. But it won't clean those files; it
only matches ones with its pid, and leaves the rest. Fortunately, those
are cleaned up naturally by successive calls to git-repack; we'll
consider .tmp-*.pack the same as normal packfiles, so "repack -ad", etc,
will roll up their contents and eventually delete them.
The one case that could matter is if pack-objects generates an extension
we don't know about, like ".tmp-pack-$$-$hash.some-new-ext". The current
code will quietly delete such a file, while after this patch we'd leave
it in place. In practice this doesn't happen, and would be indicative of
a bug. Leaving the file as cruft is arguably a better behavior, as it
means somebody is more likely to eventually notice and fix the bug. If
we really wanted to be paranoid, we could scan for and warn about such
files, but that seems like overkill.
There's nothing to test with regard to the removal of this function. It
was doing nothing, so the behavior should be the same. However, we can
verify (and protect) our assumption that "repack -ad" will eventually
remove stray files by adding a test for that.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When git-repack exits due to a signal, it tries to clean up by calling
its remove_temporary_files() function, which walks through the packs dir
looking for ".tmp-$$-pack-*" files to delete (where "$$" is the pid of
the current process).
The biggest problem here is that remove_temporary_files() is not safe to
call in a signal handler. It uses opendir(), which isn't on the POSIX
async-signal-safe list. The details will be platform-specific, but a
likely issue is that it needs to allocate memory; if we receive a signal
while inside malloc(), etc, we'll conflict on the allocator lock and
deadlock with ourselves.
We can fix this by just cleaning up the files directly, without walking
the directory. We already know the complete list of .tmp-* files that
were generated, because we recorded them via populate_pack_exts(). When
we find files there, we can use register_tempfile() to record the
filenames. If we receive a signal, then the tempfile API will clean them
up for us, and it's async-safe and pretty battle-tested.
Note that this is slightly racier than the existing scheme. We don't
record the filenames until pack-objects tells us the hash over stdout.
So during the period between it generating the file and reporting the
hash, we'd fail to clean up. However, that period is very small. During
most of the pack generation process pack-objects is using its own
internal tempfiles. It's only at the very end that it moves them into
the names git-repack expects, and then it immediately reports the name
to us. Given that cleanup like this is best effort (after all, we may
get SIGKILL), this level of race is acceptable.
When we register the tempfiles, we'll record them locally and use the
result to call rename_tempfile(), rather than renaming by hand. This
isn't strictly necessary, as once we've renamed the files they're gone,
and the tempfile API's cleanup unlink() would simply become a pointless
noop. But managing the lifetimes of the tempfile objects is the cleanest
thing to do, and the tempfile pointers naturally fill the same role as
the old booleans.
This patch also fixes another small problem. We only hook signals, and
don't set up an atexit handler. So if we see an error that causes us to
die(), we'll leave the .tmp-* files in place. But since the tempfile API
handles this for us, this is now fixed for free. The new test covers
this by stimulating a failure of pack-objects when generating a cruft
pack. Before this patch, the .tmp-* file for the main pack would have
been left, but now we correctly clean it up.
Two small subtleties on the implementation:
- in the renaming loop, we can stop re-constructing fname_old; we only
use it when we have a tempfile to rename, so we can just ask the
tempfile for its path (which, barring bugs, should be identical)
- when renaming fails, our error message mentions fname_old. But since
a failed rename_tempfile() invalidates the tempfile struct, we'll
lose access to that string. Instead, let's mention the destination
filename, which is what most other callers do.
Reported-by: Jan Pokorný <poki@fnusa.cz>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If pack-objects tells us it generated pack $hash, we expect to find
.tmp-$$-pack-$hash.pack, .idx, .rev, and so on. Some of these files are
optional, but others are not. For the required ones, we'll bail with an
error if any of them is missing.
The error message is just "missing required file", which is a bit vague.
We should be more clear that it is not the user's fault, but rather that
the sub-pgoram we called is not operating as expected. In practice,
nobody should ever see this message, as it would generally only be
caused by a bug in Git.
It probably doesn't make sense to convert this to a BUG(), though, as
there are other (unlikely) possibilities, such as somebody else racily
deleting the files, filesystem errors causing stat() to fail, and so on.
A nice side effect here is that we stop relying on fname_old in this
code path, which will let us deal with it only in the first part of the
conditional.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After generating the main pack and then any additional cruft packs, we
iterate over the "names" list (which contains hashes of packs generated
by pack-objects), and call populate_pack_exts() for each.
There's one small problem with this. In repack_promisor_objects(), we
may add entries to "names" and call populate_pack_exts() for them.
Calling it again is mostly just wasteful, as we'll stat() the filename
with each possible extension, get the same result, and just overwrite
our bits.
So we could drop the call there, and leave the final loop to populate
all of the bits. But instead, this patch does the reverse: drops the
final loop, and teaches the other two sites to populate the bits as they
add entries.
This makes the code easier to reason about, as you never have to worry
about when the util field is valid; it is always valid for each entry.
It also serves my ulterior purpose: recording the generated filenames as
soon as possible will make it easier for a future patch to use them for
cleaning up from a failed operation.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We keep a string_list "names" containing the hashes of packs generated
on our behalf by pack-objects. The util field of each item is treated as
a bitfield that tells us which extensions (.pack, .idx, .rev, etc) are
present for each name.
Let's switch this to allocating a real array. That will give us room in
a future patch to store more data than just a single bit per extension.
And it makes the code a little easier to read, as we avoid casting back
and forth between uintptr_t and a void pointer.
Since the only thing we're storing is an array, we could just allocate
it directly. But instead I've put it into a named struct here. That
further increases readability around the casts, and in particular helps
differentiate us from other string_lists in the same file which use
their util field differently. E.g., the existing_*_packs lists still do
bit-twiddling, but their bits have different meaning than the ones in
"names". This makes it hard to grep around the code to see how the util
fields are used; now you can look for "generated_pack_data".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git branch --edit-description @{-1}" is now a way to edit branch
description of the branch you were on before switching to the
current branch.
* rj/branch-edit-description-with-nth-checkout:
branch: support for shortcuts like @{-1}, completed
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After checking out a "branch" that is a symbolic-ref that points at
another branch, "git symbolic-ref HEAD" reports the underlying
branch, not the symbolic-ref the user gave checkout as argument.
The command learned the "--no-recurse" option to stop after
dereferencing a symbolic-ref only once.
* jc/symbolic-ref-no-recurse:
symbolic-ref: teach "--[no-]recurse" option
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`git repack` supports a `--pack-kept-objects` flag which more or less
translates to whether or not we pass `--honor-pack-keep` down to `git
pack-objects` when assembling a new pack.
This behavior has existed since ee34a2bead (repack: add
`repack.packKeptObjects` config var, 2014-03-03). In that commit, the
documentation was extended to say:
[...] Note that we still do not delete `.keep` packs after
`pack-objects` finishes.
Unfortunately, this is not the case when `--pack-kept-objects` is
combined with a `--geometric` repack. When doing a geometric repack, we
include `.keep` packs when enumerating available packs only when
`pack_kept_objects` is set.
So this all works fine when `--no-pack-kept-objects` (or similar) is
given. Kept packs are excluded from the geometric roll-up, so when we go
to delete redundant packs (with `-d`), no `.keep` packs appear "below
the split" in our geometric progression.
But when `--pack-kept-objects` is given, things can go awry. Namely,
when a kept pack is included in the list of packs tracked by the
`pack_geometry` struct *and* part of the pack roll-up, we will delete
the `.keep` pack when we shouldn't.
Note that this *doesn't* result in object corruption, since the `.keep`
pack's objects are still present in the new pack. But the `.keep` pack
itself is removed, which violates our promise from back in ee34a2bead.
But there's more. Because `repack` computes the geometric roll-up
independently from selecting which packs belong in a MIDX (with
`--write-midx`), this can lead to odd behavior. Consider when a `.keep`
pack appears below the geometric split (ie., its objects will be part of
the new pack we generate).
We'll write a MIDX containing the new pack along with the existing
`.keep` pack. But because the `.keep` pack appears below the geometric
split line, we'll (incorrectly) try to remove it. While this doesn't
corrupt the repository, it does cause us to remove the MIDX we just
wrote, since removing that pack would invalidate the new MIDX.
Funny enough, this behavior became far less noticeable after e4d0c11c04
(repack: respect kept objects with '--write-midx -b', 2021-12-20), which
made `pack_kept_objects` be enabled by default only when we were writing
a non-MIDX bitmap.
But e4d0c11c04 didn't resolve this bug, it just made it harder to notice
unless callers explicitly passed `--pack-kept-objects`.
The solution is to avoid trying to remove `.keep` packs during
`--geometric` repacks, even when they appear below the geometric split
line, which is the approach this patch implements.
Co-authored-by: Victoria Dye <vdye@github.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we write a MIDX bitmap after repacking, it is possible that the
repository would be left in a state with both pack- and multi-pack
reachability bitmaps.
This can occur, for instance, if a pack that was kept (either by having
a .keep file, or during a geometric repack in which it is not rolled up)
has a bitmap file, and the repack wrote a multi-pack index and bitmap.
When loading a reachability bitmap for the repository, the multi-pack
one is always preferred, so the pack-based one is redundant. Let's
remove it unconditionally, even if '-d' isn't passed, since there is no
practical reason to keep both around. The patch below does just that.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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String-lists may be used with callbacks for clearing or iteration. These
callbacks need to conform to a particular interface, even though not
every callback needs all of its parameters. Mark the unused ones to make
-Wunused-parameter happy.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The parse-options callback for --again soaks up all remaining options by
manipulating the parse_opt_ctx's argc and argv fields. Even though it
has to look at both, the actual parsing happens via the do_reupdate()
helper, which only looks at the argv half (by passing it along to
parse_pathspec). So that helper doesn't need to see argc at all.
Note that the helper does look at "argv + 1" without confirming that
argc is greater than 0. We know this is correct because it is skipping
past the actual "--again" string, which will always be present. However,
to make what's going on more obvious, let's move that "+1" into the
caller, which has the matching "-1" when fixing up the ctx's argc/argv.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The module_list_compute() function takes an argc/argv pair, but never
looks at argc. This is OK, as the NULL terminator in argv is sufficient
for our purposes (we feed it to parse_pathspec(), which takes only the
array, not a count).
Note that one of the callers _looks_ like it would be buggy, but isn't:
we pass 0/NULL for argc/argv from module_foreach(), so finding the
terminating NULL in that argv naively would segfault. However,
parse_pathspec() is smart enough to interpret a bare NULL as an empty
argv.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git branch --edit-description" on an unborh branch misleadingly
said that no such branch exists, which has been corrected.
* rj/branch-edit-desc-unborn:
branch: description for non-existent branch errors
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"GIT_EDITOR=: git branch --edit-description" resulted in failure,
which has been corrected.
* jc/branch-description-unset:
branch: do not fail a no-op --edit-desc
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Code clean-up.
* jk/cleanup-callback-parameters:
attr: drop DEBUG_ATTR code
commit: avoid writing to global in option callback
multi-pack-index: avoid writing to global in option callback
test-submodule: inline resolve_relative_url() function
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Code clean-up that results in plugging a leak.
* rs/bisect-start-leakfix:
bisect--helper: plug strvec leak
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By default, use of fsmonitor on a repository on networked
filesystem is disabled. Add knobs to make it workable on macOS.
* ed/fsmonitor-on-networked-macos:
fsmonitor: fix leak of warning message
fsmonitor: add documentation for allowRemote and socketDir options
fsmonitor: check for compatability before communicating with fsmonitor
fsmonitor: deal with synthetic firmlinks on macOS
fsmonitor: avoid socket location check if using hook
fsmonitor: relocate socket file if .git directory is remote
fsmonitor: refactor filesystem checks to common interface
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Treating the action as a string is a hang over from the scripted
rebase. The last commit removed the only remaining use of the action
that required a string so lets convert the other action users to use
the existing action enum instead. If we ever need the action name as a
string in the future the action_names array exists exactly for that
purpose.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When aborting a rebase the reflog message looks like
rebase (abort): updating HEAD
which is not very informative. Improve the message by mentioning the
branch that we are returning to as we do at the end of a successful
rebase so it looks like.
rebase (abort): returning to refs/heads/topic
If GIT_REFLOG_ACTION is set in the environment we no longer omit
"(abort)" from the reflog message. We don't omit "(start)" and
"(finish)" when starting and finishing a rebase in that case so we
shouldn't omit "(abort)".
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The apply backend creates slightly different reflog messages to the
merge backend when starting or finishing a rebase and when picking
commits. These differences make it harder than it needs to be to parse
the reflog (I have a script that reads the finishing messages from
rebase and it is a pain to have to accommodate two different message
formats). While it is possible to determine the backend used for a
rebase from the reflog messages, the differences are not designed for
that purpose. c2417d3af7 (rebase: drop '-i' from the reflog for
interactive-based rebases, 2020-02-15) removed the clear distinction
between the reflog messages of the two backends without complaint.
As the merge backend is the default it is likely to be the format most
common in existing reflogs. For that reason the apply backend is changed
to format its reflog messages to match the merge backend as closely as
possible. Note that there is still a difference as when committing a
conflict resolution the apply backend will use "(pick)" rather than
"(continue)" because it is not currently possible to change the message
for a single commit.
In addition to c2417d3af7 we also changed the reflog messages in
68aa495b59 (rebase: implement --merge via the interactive machinery,
2018-12-11) and 2ac0d6273f (rebase: change the default backend from "am"
to "merge", 2020-02-15). This commit makes the same change to "git
rebase --apply" that 2ac0d6273f made to "git rebase" without any backend
specific options. As the messages are changed to use an existing format
any scripts that can parse the reflog messages of the default rebase
backend should be unaffected by this change.
There are existing tests for the messages from both backends which are
adjusted to ensure that they do not get out of sync in the future.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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