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"git replay" (experimental) learns, in addition to "pick" and
"replay", a new operating mode "revert".
* sa/replay-revert:
replay: add --revert mode to reverse commit changes
sequencer: extract revert message formatting into shared function
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The logic for formatting revert commit messages (handling "Revert" and
"Reapply" cases, appending "This reverts commit <ref>.", and handling
merge-parent references) currently lives inline in do_pick_commit().
The upcoming replay --revert mode needs to reuse this logic.
Extract all of this into a new sequencer_format_revert_message()
function. The function takes a repository, the subject line, commit,
parent, a use_commit_reference flag, and the output strbuf. It handles
both regular reverts ("Revert "<subject>"") and revert-of-revert cases
("Reapply "<subject>""), and uses refer_to_commit() internally to
format the commit reference.
Update refer_to_commit() to take a struct repository parameter instead
of relying on the_repository, and a bool instead of reading from
replay_opts directly. This makes it usable from the new shared function
without pulling in sequencer-specific state.
Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rebase" learns "--trailer" command to drive the
interpret-trailers machinery.
* lc/rebase-trailer:
rebase: support --trailer
commit, tag: parse --trailer with OPT_STRVEC
trailer: append trailers without fork/exec
trailer: libify a couple of functions
interpret-trailers: refactor create_in_place_tempfile()
interpret-trailers: factor trailer rewriting
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Use the hook API to replace ad-hoc invocation of hook scripts via
the run_command() API.
* ar/run-command-hook-take-2:
builtin/receive-pack: avoid spinning no-op sideband async threads
receive-pack: convert receive hooks to hook API
receive-pack: convert update hooks to new API
run-command: poll child input in addition to output
hook: add jobs option
reference-transaction: use hook API instead of run-command
transport: convert pre-push to hook API
hook: allow separate std[out|err] streams
hook: convert 'post-rewrite' hook in sequencer.c to hook API
hook: provide stdin via callback
run-command: add stdin callback for parallelization
run-command: add helper for pp child states
t1800: add hook output stream tests
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Add a new --trailer=<trailer> option to git rebase to append trailer
lines to each rewritten commit message (merge backend only).
Because the apply backend does not provide a commit-message filter,
reject --trailer when --apply is in effect and require the merge backend
instead.
This option implies --force-rebase so that fast-forwarded commits are
also rewritten. Validate trailer arguments early to avoid starting an
interactive rebase with invalid input.
Add integration tests covering error paths and trailer insertion across
non-interactive and interactive rebases.
Signed-off-by: Li Chen <me@linux.beauty>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename three functions around the commit_list data structure.
* ps/commit-list-functions-renamed:
commit: rename `free_commit_list()` to conform to coding guidelines
commit: rename `reverse_commit_list()` to conform to coding guidelines
commit: rename `copy_commit_list()` to conform to coding guidelines
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Replace the custom run-command calls used by post-rewrite with
the newer and simpler hook_run_opt(), which does not need to
create a custom 'struct child_process' or call find_hook().
Another benefit of using the hook API is that hook_run_opt()
handles the SIGPIPE toggle logic.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove implicit reliance on the_repository global in the APIs
around tree objects and make it explicit which repository to work
in.
* rs/tree-wo-the-repository:
cocci: remove obsolete the_repository rules
cocci: convert parse_tree functions to repo_ variants
tree: stop using the_repository
tree: use repo_parse_tree()
path-walk: use repo_parse_tree_gently()
pack-bitmap-write: use repo_parse_tree()
delta-islands: use repo_parse_tree()
bloom: use repo_parse_tree()
add-interactive: use repo_parse_tree_indirect()
tree: add repo_parse_tree*()
environment: move access to core.maxTreeDepth into repo settings
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This reverts commit f406b8955295d01089ba2baf35eceadff2d11cae,
reversing changes made to 1627809eeff75e6ec936fc609e7be46d5eb2fa9e.
It seems to have caused a few regressions, two of the three known
ones we have proposed solutions for. Let's give ourselves a bit
more room to maneuver during the pre-release freeze period and
restart once the 2.53 ships.
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Our coding guidelines say that:
Functions that operate on `struct S` are named `S_<verb>()` and should
generally receive a pointer to `struct S` as first parameter.
While most of the functions related to `struct commit_list` already
follow that naming schema, `free_commit_list()` doesn't.
Rename the function to address this and adjust all of its callers. Add a
compatibility wrapper for the old function name to ease the transition
and avoid any semantic conflicts with in-flight patch series. This
wrapper will be removed once Git 2.53 has been released.
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 that:
Functions that operate on `struct S` are named `S_<verb>()` and should
generally receive a pointer to `struct S` as first parameter.
While most of the functions related to `struct commit_list` already
follow that naming schema, `reverse_commit_list()` doesn't.
Rename the function to address this and adjust all of its callers. Add a
compatibility wrapper for the old function name to ease the transition
and avoid any semantic conflicts with in-flight patch series. This
wrapper will be removed once Git 2.53 has been released.
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 that:
Functions that operate on `struct S` are named `S_<verb>()` and should
generally receive a pointer to `struct S` as first parameter.
While most of the functions related to `struct commit_list` already
follow that naming schema, `copy_commit_list()` doesn't.
Rename the function to address this and adjust all of its callers. Add a
compatibility wrapper for the old function name to ease the transition
and avoid any semantic conflicts with in-flight patch series. This
wrapper will be removed once Git 2.53 has been released.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add and apply a semantic patch to convert calls to parse_tree() and
friends to the corresponding variant that takes a repository argument,
to allow the functions that implicitly use the_repository to be retired
once all potential in-flight topics are settled and converted as well.
The changes in .c files were generated by Coccinelle, but I fixed a
whitespace bug it would have introduced to builtin/commit.c.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Replace the custom run-command calls used by post-rewrite with
the newer and simpler hook_run_opt(), which does not need to
create a custom 'struct child_process' or call find_hook().
Another benefit of using the hook API is that hook_run_opt()
handles the SIGPIPE toggle logic.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are double frees and leaks around setup_revisions() API used
in "git stash show", which has been fixed, and setup_revisions()
API gained a wrapper to make it more ergonomic when using it with
strvec-manged argc/argv pairs.
* jk/setup-revisions-freefix:
revision: retain argv NULL invariant in setup_revisions()
treewide: pass strvecs around for setup_revisions_from_strvec()
treewide: use setup_revisions_from_strvec() when we have a strvec
revision: add wrapper to setup_revisions() from a strvec
revision: manage memory ownership of argv in setup_revisions()
stash: tell setup_revisions() to free our allocated strings
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"git rebase -i" failed to clean-up the commit log message when the
command commits the final one in a chain of "fixup" commands, which
has been corrected.
* pw/rebase-i-cleanup-fix:
sequencer: remove VERBATIM_MSG flag
rebase -i: respect commit.cleanup when picking fixups
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The previous commit converted callers of setup_revisions() with a strvec
to use the safer and easier _from_strvec() variant.
Let's now convert spots that don't directly have a strvec, but receive
an argc/argv pair that eventually comes from one. We'll instead pass the
strvec down to the point where we call setup_revisions().
That makes these functions slightly less flexible if they were to grow
other callers that don't use strvecs, but this rigidity is buying us
some safety. It is only safe to pass the free_removed_argv_elements
option to setup_revisions() if we know the elements of argv/argc are
allocated on the heap. That isn't communicated in the type system when
we are passed the bare elements. But if we get a strvec, we know that
the elements are allocated strings.
And at any rate, each of these modified functions has only a single
caller (that has a strvec), so the loss of flexibility is unlikely to
ever matter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As the last commit deleted the only user of VERBATIM_MSG remove
it. This reverts remaining parts of commit f7d42ceec52 (rebase -i:
do leave commit message intact in fixup! chains, 2021-01-28) that
were not deleted by the last commit.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If the user uses a prepare-commit-msg hook to add comments to the
commit message template and sets commit.cleanup to remove them when the
commit is created then the comments will not be removed when rebase
commits the final command in a chain of "fixup" commands[1]. This
happens because f7d42ceec52 (rebase -i: do leave commit message intact
in fixup! chains, 2021-01-28) started passing the VERBATIM_MSG flag
when committing the final command in a chain of "fixup" commands. That
change was added in response to a bug report[2] where the commit
message was being cleaned up when it should not be. The cause of that
bug was that before f7d42ceec52 the sequencer passed CLEANUP_MSG
when committing the final fixup. That commit should have simply
removed the CLEANUP_MSG flag, not changed it to VERBATIM_MSG. Using
VERBATIM_MSG ignores the user's commit.cleanup config when committing
the final fixup which means it behaves differently to an ordinary
"pick" command which respects commit.cleanup.
Fix this by not setting an explicit cleanup flag when committing the
final fixup which matches the way "pick" commands behave. The test
added in f7d42ceec52 is replaced with one that checks that "fixup"
and "pick" commands do not clean up the message when commit.cleanup
is not set and do clean up the message when it is set.
[1] https://lore.kernel.org/git/CA+itcS3DxbgpFy2aPRvHQvTAYE=dU0kfeDdidVwWLU=rBAWR4w@mail.gmail.com
[2] https://lore.kernel.org/git/CANVGpwZGbzYLMeMze64e_OU9p3bjyEgzC5thmNBr6LttBt+YGw@mail.gmail.com
Reported-by: Simon Cheng <cyqsimon@gmail.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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During interactive rebase, using 'drop' on a merge commit lead to
an error, which was incorrect.
* js/rebase-i-allow-drop-on-a-merge:
rebase -i: permit 'drop' of a merge commit
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4c063c82e9 (rebase -i: improve error message when picking merge,
2024-05-30) added advice texts for cases when a merge commit is
passed as argument of sequencer command that cannot operate with
a merge commit. However, it forgot about the 'drop' command, so
that in this case the BUG() in the default branch is reached.
Handle 'drop' like 'merge', i.e., permit it without a message.
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove
`git_config_set_multivar_in_file_gently()`. All callsites are adjusted
so that they use
`repo_config_set_multivar_in_file_gently(the_repository, ...)` instead.
While some callsites might already have a repository available, this
mechanical conversion is the exact same as the current situation and
thus cannot cause any regression. Those sites should eventually be
cleaned up in a later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove
`git_config_set_in_file_gently()`. All callsites are adjusted so that
they use `repo_config_set_in_file_gently(the_repository, ...)` instead.
While some callsites might already have a repository available, this
mechanical conversion is the exact same as the current situation and
thus cannot cause any regression. Those sites should eventually be
cleaned up in a later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove `git_config_get_int()`. All
callsites are adjusted so that they use
`repo_config_get_int(the_repository, ...)` instead. While some callsites
might already have a repository available, this mechanical conversion is
the exact same as the current situation and thus cannot cause any
regression. Those sites should eventually be cleaned up in a later patch
series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove `git_config_get_string()`.
All callsites are adjusted so that they use
`repo_config_get_string(the_repository, ...)` instead. While some
callsites might already have a repository available, this mechanical
conversion is the exact same as the current situation and thus cannot
cause any regression. Those sites should eventually be cleaned up in a
later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove `git_config()`. All callsites
are adjusted so that they use `repo_config(the_repository, ...)`
instead. While some callsites might already have a repository available,
this mechanical conversion is the exact same as the current situation
and thus cannot cause any regression. Those sites should eventually be
cleaned up in a later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up around object access API.
* ps/object-store:
odb: rename `read_object_with_reference()`
odb: rename `pretend_object_file()`
odb: rename `has_object()`
odb: rename `repo_read_object_file()`
odb: rename `oid_object_info()`
odb: trivial refactorings to get rid of `the_repository`
odb: get rid of `the_repository` when handling submodule sources
odb: get rid of `the_repository` when handling the primary source
odb: get rid of `the_repository` in `for_each()` functions
odb: get rid of `the_repository` when handling alternates
odb: get rid of `the_repository` in `odb_mkstemp()`
odb: get rid of `the_repository` in `assert_oid_type()`
odb: get rid of `the_repository` in `find_odb()`
odb: introduce parent pointers
object-store: rename files to "odb.{c,h}"
object-store: rename `object_directory` to `odb_source`
object-store: rename `raw_object_store` to `object_database`
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Rename `oid_object_info()` to `odb_read_object_info()` as well as their
`_extended()` variant to match other functions related to the object
database and our modern coding guidelines.
Introduce compatibility wrappers so that any in-flight topics will
continue to compile.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the preceding commits we have renamed the structures contained in
"object-store.h" to `struct object_database` and `struct odb_backend`.
As such, the code files "object-store.{c,h}" are confusingly named now.
Rename them to "odb.{c,h}" accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In sequencer.c, caller only pass TODO_SQUASH or TODO_FIXUP to
update_squash_messages(), any other command passed in should be
considered as BUG. Replace `return error('unknown command')`
with `BUG('not a FIXUP or SQUASH')`.
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Prefix '#' to the commit title in the "rebase -i" todo file, just
like a merge commit being replayed.
* en/sequencer-comment-messages:
sequencer: make it clearer that commit descriptions are just comments
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Assorted fixes for issues found with CodeQL.
* js/misc-fixes:
sequencer: stop pretending that an assignment is a condition
bundle-uri: avoid using undefined output of `sscanf()`
commit-graph: avoid using stale stack addresses
trace2: avoid "futile conditional"
Avoid redundant conditions
fetch: avoid unnecessary work when there is no current branch
has_dir_name(): make code more obvious
upload-pack: rename `enum` to reflect the operation
commit-graph: avoid malloc'ing a local variable
fetch: carefully clear local variable's address after use
commit: simplify code
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Leakfix.
* ly/sequencer-rearrange-leakfix:
sequencer: fix memory leak if `todo_list_rearrange_squash()` failed
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Code cleanup.
* jk/oidmap-cleanup:
raw_object_store: drop extra pointer to replace_map
oidmap: add size function
oidmap: rename oidmap_free() to oidmap_clear()
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Use-after-free fix in the sequencer.
* pw/sequencer-reflog-use-after-free:
sequencer: rework reflog message handling
sequencer: move reflog message functions
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Every once in a while, users report that editing the commit summaries
in the todo list does not get reflected in the rebase operation,
suggesting that users are (a) only using one-line commit messages, and
(b) not understanding that the commit summaries are merely helpful
comments to help them find the right hashes.
It may be difficult to correct users' poor commit messages, but we can
at least try to make it clearer that the commit summaries are not
directives of some sort by inserting a comment character. Hopefully
that leads to them looking a little further and noticing the hints at
the bottom to use 'reword' or 'edit' directives.
Yes, this change may look funny at first since it hardcodes '#' rather
than using comment_line_str. However:
* comment_line_str exists to allow disambiguation between lines in
a commit message and lines that are instructions to users editing
the commit message. No such disambiguation is needed for these
comments that occur on the same line after existing directives
* the exact "comment" character(s) on regular pick lines used aren't
actually important; I could have used anything, including completely
random variable length text for each line and it'd work because we
ignore everything after 'pick' and the hash.
* The whole point of this change is to signal to users that they
should NOT be editing any part of the line after the hash (and if
they do so, their edits will be ignored), while the whole point of
comment_line_str is to allow highly flexible editing. So making
it more general by using comment_line_str actually feels
counterproductive.
* The character for merge directives absolutely must be '#'; that
has been deeply hardcoded for a long time (see below), and will
break if some other comment character is used instead. In a
desire to have pick and merge directives be similar, I use the
same comment character for both.
* Perhaps merge directives could be fixed to not be inflexible about
the comment character used, if someone feels highly motivated, but
I think that should be done in a separate follow-on patch.
Here are (some of?) the locations where '#' has already been hardcoded
for a long time for merges:
1) In check_label_or_ref_arg():
case TODO_LABEL:
/*
* '#' is not a valid label as the merge command uses it to
* separate merge parents from the commit subject.
*/
2) In do_merge():
/*
* For octopus merges, the arg starts with the list of revisions to be
* merged. The list is optionally followed by '#' and the oneline.
*/
merge_arg_len = oneline_offset = arg_len;
for (p = arg; p - arg < arg_len; p += strspn(p, " \t\n")) {
if (!*p)
break;
if (*p == '#' && (!p[1] || isspace(p[1]))) {
3) In label_oid():
if ((buf->len == the_hash_algo->hexsz &&
!get_oid_hex(label, &dummy)) ||
(buf->len == 1 && *label == '#') ||
hashmap_get_from_hash(&state->labels,
strihash(label), label)) {
/*
* If the label already exists, or if the label is a
* valid full OID, or the label is a '#' (which we use
* as a separator between merge heads and oneline), we
* append a dash and a number to make it unique.
*/
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In sequencer.c:todo_list_rearrange_squash, if it fails, memory
allocated in `next`, `tail`, `subjects` and `subject2item` will leak.
Jump to cleanup label before return could fix this leak problem.
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 3e81bccdf3 (sequencer: factor out todo command name parsing,
2019-06-27), a `return` statement was introduced that basically was a
long sequence of conditions, combined with `&&`, except for the last
condition which is not really a condition but an assignment.
The point of this construct was to return 1 (i.e. `true`) from the
function if all of those conditions held true, and also assign the `bol`
pointer to the end of the parsed command.
Some static analyzers are really unhappy about such constructs. And
human readers are at least puzzled, if not confused, by seeing a single
`=` inside a chain of conditions where they would have expected to see
`==` instead and, based on experience, immediately suspect a typo.
Let's help all of this by turning this into the more verbose, more
readable form of an `if` construct that both assigns the pointer as well
as returns 1 if all of the conditions hold true.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function does not free the oidmap struct itself; it just drops all
items from the map (using hashmap_clear_() internally). It should be
called oidmap_clear(), per CodingGuidelines.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It has been reported that "git rebase --rebase-merges" can create
corrupted reflog entries like
e9c962f2ea0 HEAD@{8}: <binary>�: Merged in <branch> (pull request #4441)
This is due to a use-after-free bug that happens because
reflog_message() uses a static `struct strbuf` and is not called to
update the current reflog message stored in `ctx->reflog_message` when
creating the merge. This means `ctx->reflog_message` points to a stale
reflog message that has been freed by subsequent call to
reflog_message() by a command such as `reset` that used the return value
directly rather than storing the result in `ctx->reflog_message`.
Fix this by creating the reflog message nearer to where the commit is
created and storing it in a local variable which is passed as an
additional parameter to run_git_commit() rather than storing the message
in `struct replay_ctx`. This makes it harder to forget to call
`reflog_message()` before creating a commit and using a variable with a
narrower scope means that a stale value cannot carried across a from one
iteration of the loop to the next which should prevent any similar
use-after-free bugs in the future.
A existing test is modified to demonstrate that merges are now created
with the correct reflog message.
Reported-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the next commit these functions will be called from pick_one_commit()
so move them above that function to avoid a forward declaration.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up.
* ps/object-file-cleanup:
object-store: merge "object-store-ll.h" and "object-store.h"
object-store: remove global array of cached objects
object: split out functions relating to object store subsystem
object-file: drop `index_blob_stream()`
object-file: split up concerns of `HASH_*` flags
object-file: split out functions relating to object store subsystem
object-file: move `xmmap()` into "wrapper.c"
object-file: move `git_open_cloexec()` to "compat/open.c"
object-file: move `safe_create_leading_directories()` into "path.c"
object-file: move `mkdir_in_gitdir()` into "path.c"
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Remove remnants of the recursive merge strategy backend, which was
superseded by the ort merge strategy.
* en/merge-recursive-debug:
builtin/{merge,rebase,revert}: remove GIT_TEST_MERGE_ALGORITHM
tests: remove GIT_TEST_MERGE_ALGORITHM and test_expect_merge_algorithm
merge-recursive.[ch]: thoroughly debug these
merge, sequencer: switch recursive merges over to ort
sequencer: switch non-recursive merges over to ort
merge-ort: enable diff-algorithms other than histogram
builtin/merge-recursive: switch to using merge_ort_generic()
checkout: replace merge_trees() with merge_ort_nonrecursive()
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The object layer has been updated to take an explicit repository
instance as a parameter in more code paths.
* ps/object-wo-the-repository:
hash: stop depending on `the_repository` in `null_oid()`
hash: fix "-Wsign-compare" warnings
object-file: split out logic regarding hash algorithms
delta-islands: stop depending on `the_repository`
object-file-convert: stop depending on `the_repository`
pack-bitmap-write: stop depending on `the_repository`
pack-revindex: stop depending on `the_repository`
pack-check: stop depending on `the_repository`
environment: move access to "core.bigFileThreshold" into repo settings
pack-write: stop depending on `the_repository` and `the_hash_algo`
object: stop depending on `the_repository`
csum-file: stop depending on `the_repository`
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The "object-store-ll.h" header has been introduced to keep transitive
header dependendcies and compile times at bay. Now that we have created
a new "object-store.c" file though we can easily move the last remaining
additional bit of "object-store.h", the `odb_path_map`, out of the
header.
Do so. As the "object-store.h" header is now equivalent to its low-level
alternative we drop the latter and inline it into the former.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `safe_create_leading_directories()` function and its relatives are
located in "object-file.c", which is not a good fit as they provide
generic functionality not related to objects at all. Move them into
"path.c", which already hosts `safe_create_dir()` and its relative
`safe_create_dir_in_gitdir()`.
"path.c" is free of `the_repository`, but the moved functions depend on
`the_repository` to read the "core.sharedRepository" config. Adapt the
function signature to accept a repository as argument to fix the issue
and adjust callers accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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More precisely, replace calls to merge_recursive() with
merge_ort_recursive().
Also change t7615 to quit calling out recursive; it is not needed
anymore, and we are in fact using ort now.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The do_recursive_merge() function, which is somewhat misleadingly named
since its purpose in life is to do a *non*-recursive merge, had code to
allow either using the recursive or ort backends. The default has been
ort for a very long time, let's just remove the code path for allowing
the recursive backend to be selected.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the compiler/linker cannot verify that an assert() invocation is
free of side effects for us (e.g. because the assertion includes some
kind of function call), replace the use of assert() with ASSERT().
Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `null_oid()` function returns the object ID that only consists of
zeroes. Naturally, this ID also depends on the hash algorithm used, as
the number of zeroes is different between SHA1 and SHA256. Consequently,
the function returns the hash-algorithm-specific null object ID.
This is currently done by depending on `the_hash_algo`, which implicitly
makes us depend on `the_repository`. Refactor the function to instead
pass in the hash algorithm for which we want to retrieve the null object
ID. Adapt callsites accordingly by passing in `the_repository`, thus
bubbling up the dependency on that global variable by one layer.
There are a couple of trivial exceptions for subsystems that already got
rid of `the_repository`. These subsystems instead use the repository
that is available via the calling context:
- "builtin/grep.c"
- "grep.c"
- "refs/debug.c"
There are also two non-trivial exceptions:
- "diff-no-index.c": Here we know that we may not have a repository
initialized at all, so we cannot rely on `the_repository`. Instead,
we adapt `diff_no_index()` to get a `struct git_hash_algo` as
parameter. The only caller is located in "builtin/diff.c", where we
know to call `repo_set_hash_algo()` in case we're running outside of
a Git repository. Consequently, it is fine to continue passing
`the_repository->hash_algo` even in this case.
- "builtin/ls-files.c": There is an in-flight patch series that drops
`USE_THE_REPOSITORY_VARIABLE` in this file, which causes a semantic
conflict because we use `null_oid()` in `show_submodule()`. The
value is passed to `repo_submodule_init()`, which may use the object
ID to resolve a tree-ish in the superproject from which we want to
read the submodule config. As such, the object ID should refer to an
object in the superproject, and consequently we need to use its hash
algorithm.
This means that we could in theory just not bother about this edge
case at all and just use `the_repository` in "diff-no-index.c". But
doing so would feel misdesigned.
Remove the `USE_THE_REPOSITORY_VARIABLE` preprocessor define in
"hash.c".
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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