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The dependency on the global 'the_repository' variable in the
'refspec.c' API has been removed by passing the hash algorithm
explicitly to refspec-parsing functions and storing it in 'struct
refspec'.
* ps/refspec-wo-the-repository:
refspec: stop depending on `the_repository`
refspec: let callers pass in hash algorithm when parsing items
refspec: group related structures and functions
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An accidental use of the '%zu' format specifier in 'git
submodule--helper' has been corrected to use 'PRIuMAX' and cast the
value to 'uintmax_t' to avoid portability issues.
* jc/submodule-helper-avoid-zu:
submodule--helper: avoid use of %zu for now
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The '-i' shorthand for the '--init' option, which was accepted by the
'git submodule update' command until it was broken in a modernization
of the option-parsing code, has been restored.
* dm/submodule-update-i-shorthand:
submodule--helper: accept '-i' shorthand for update --init
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The only remaining user of `the_hash_algo` in "refspec.c" is
`refspec_append()`, which needs to know the hash algorithm so that it
can parse the appended refspec item. In contrast to the functions
adapted in the preceding commit, this function always operates on a
`struct refspec`. As that structure is expected to only ever contain
refspecs that all use the same hash function it doesn't make sense
though to adapt each caller.
Instead, adapt the structure itself so that it gets initialized with a
hash function and use that hash function to parse new refspec items.
Adapt callers accordingly.
This removes the final dependency on the global repository variable in
"refspec.c", so we can drop `USE_THE_REPOSITORY_VARIABLE`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since d7d850e2b9 (CodingGuidelines: mention C99 features we can't
use, 2022-10-10), our CodingGuidelines document has explicitly
forbidden the use of '%z' and '%zu' printf() format specifiers,
even though C99 does support them. However, a new instance crept
in via 82c36fa0a9 (submodule: hash the submodule name for the
gitdir path, 2026-01-12).
We could claim that this is an unintentional weather balloon that
nobody has complained about for the past six months since Git 2.54,
proving that it is now safe to use these format specifiers. But
(1) it is probably too early to make that claim, as distributions
often stick to a stale version for several releases, and (2) it is
unlikely that a failure in this code path would manifest as a
major user-visible breakage that would trigger a failure report to
percolate down to us.
Instead, let's stick to the established workaround recommended by
our CodingGuidelines, which is to cast the value to (uintmax_t) and
format it with PRIuMAX, at least for now. Even if we eventually
perform a bulk update using a Coccinelle script to transition to %z
and %zu in the future, adding one more instance to the pile that
will need such a conversion is hardly a tragedy.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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commit 3ad0ba722744 ("git-submodule.sh: improve variables readability")
made `git submodules update -i` pass `-i` as is to submodule--helper,
but it fails with `error: unknown switch `i'` because the helper does
not accept the short option.
All other short options supported by git-submodule.sh are properly
handle in the helper, so also add the alias for --init
Fixes: 3ad0ba722744 ("git-submodule.sh: improve variables readability")
Signed-off-by: Dominique Martinet <dominique.martinet@atmark-techno.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous patch added a coccinelle rule to make sure callers always
use git_hash_init() rather than direct function pointers from the algo
struct.
Let's do the same for the rest of the git_hash_*() wrappers. I split
these out because they're a bit different: they implicitly use the algop
pointer in the git_hash_ctx. So when we convert:
-algo->update_fn(&ctx, buf, len);
+git_hash_update(&ctx, buf, len);
we drop the reference to algo entirely! But this is always going to be
the right thing. If "algo" does not match what is in ctx.algop, then
we'd already be invoking undefined behavior.
So in addition to making it possible to add more logic to the
git_hash_*() functions, we're avoiding the need to pass around the extra
algo pointer and make sure that it matches what's in "ctx".
The rest of the patch is the mechanical application of that coccinelle
patch, plus a minor cleanup in test-synthesize.c to drop a now-unused
function parameter (since we don't have to pass around the algo
separately anymore).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We'd like to add more logic to git_hash_init(), but many callers skip it
and call algop->init_fn() directly. Let's make sure we're consistently
using the wrapper by adding a coccinelle rule.
Besides the coccinelle file itself, this is a purely mechanical
conversion based on the patch it generates. There should be no bare
init_fn() calls left (except for the one in the wrapper).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Stop using `the_repository` in `setup_work_tree()` and instead accept
the repository as a parameter. The injection of `the_repository` is thus
bumped one level higher, where callers now pass it in explicitly.
Note that the function tracks two bits of information via global
variables. This of course doesn't make much sense anymore now that we
can set up worktrees for arbitrary repositories:
- We track whether the worktree has already been initialized and, if
so, we skip the call to `chdir_notify()` and setenv(3p). It does not
make much sense to store this info in the repository, as we _would_
want to update the environment when switching between worktrees back
and forth.
So instead of storing this info in the repository, we drop this
state entirely and live with the fact that we may execute the logic
twice. It should ultimately be idempotent though and thus not be
much of a problem.
- We track whether the worktree configuration is bogus. If so, and if
later on some caller tries to setup the worktree, then we'll die
instead. This is indeed information that we can move into the
repository itself.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The logic to count objects has been cleaned up.
* ps/object-counting:
odb: introduce generic object counting
odb/source: introduce generic object counting
object-file: generalize counting objects
object-file: extract logic to approximate object count
packfile: extract logic to count number of objects
odb: stop including "odb/source.h"
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Instead of hardcoded 'origin', use the configured default remote
when fetching from submodules.
* ng/submodule-default-remote:
submodule: fetch missing objects from default remote
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Code clean-up.
* ss/submodule--helper-use-xmalloc:
submodule--helper: replace malloc with xmalloc
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The "odb.h" header currently includes the "odb/source.h" file. This is
somewhat roundabout though: most callers shouldn't have to care about
the `struct odb_source`, but should rather use the ODB-level functions.
Furthermore, it means that a couple of definitions have to live on the
source level even though they should be part of the generic interface.
Reverse the relation between "odb/source.h" and "odb.h" and move the
enums and typedefs that relate to the generic interfaces back into
"odb.h". Add the necessary includes to all files that rely on the
transitive include.
Suggested-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The submodule_summary_callback() function currently uses a raw malloc()
which could lead to a NULL pointer dereference.
Standardize this by replacing malloc() with xmalloc() for error handling.
To improve maintainability, use sizeof(*temp) instead of the struct name,
and drop the typecast of void pointer assignment.
Signed-off-by: Siddharth Shrimali <r.siddharth.shrimali@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The core.attributesfile is intended to be set per repository, but
were kept track of by a single global variable in-core, which has
been corrected by moving it to per-repository data structure.
* ob/core-attributesfile-in-repository:
environment: move "branch.autoSetupMerge" into `struct repo_config_values`
environment: stop using core.sparseCheckout globally
environment: stop storing `core.attributesFile` globally
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When be76c21282 (fetch: ensure submodule objects fetched, 2018-12-06)
added support for fetching a missing submodule object by id, it
hardcoded the remote name as "origin" and deferred anything more
complicated for a later patch. Implement the NEEDSWORK item to remove
the hardcoded assumption by adding and using a submodule helper subcmd
'get-default-remote'. Fixing this lets 'git fetch --recurse-submodules'
succeed when the fetched commit(s) in the superproject trigger a
submodule fetch, and that submodule's default remote name is not
"origin".
Add non-"origin" remote tests to t5526-fetch-submodules.sh and
t5572-pull-submodule.sh demonstrating this works as expected and add
dedicated tests for get-default-remote.
Signed-off-by: Nasser Grainawi <nasser.grainawi@oss.qualcomm.com>
Reviewed-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The config value `branch.autoSetupMerge` is parsed in
`git_default_branch_config()` and stored in the global variable
`git_branch_track`. This global variable can be overwritten
by another repository when multiple Git repos run in the the same process.
Move this value into `struct repo_config_values` in the_repository to
retain current behaviours and move towards libifying Git.
Since the variable is no longer a global variable, it has been renamed to
`branch_track` in the struct `repo_config_values`.
Suggested-by: Phillip Wood <phillip.wood123@gmail.com>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Usman Akinyemi <usmanakinyemi202@gmail.com>
Signed-off-by: Olamide Caleb Bello <belkid98@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Avoid local submodule repository directory paths overlapping with
each other by encoding submodule names before using them as path
components.
* ar/submodule-gitdir-tweak:
submodule: detect conflicts with existing gitdir configs
submodule: hash the submodule name for the gitdir path
submodule: fix case-folding gitdir filesystem collisions
submodule--helper: fix filesystem collisions by encoding gitdir paths
builtin/credential-store: move is_rfc3986_unreserved to url.[ch]
submodule--helper: add gitdir migration command
submodule: allow runtime enabling extensions.submodulePathConfig
submodule: introduce extensions.submodulePathConfig
builtin/submodule--helper: add gitdir command
submodule: always validate gitdirs inside submodule_name_to_gitdir
submodule--helper: use submodule_name_to_gitdir in add_submodule
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If none of the previous plain-text / encoding / derivation steps work
and case 2.4 is reached, then try a hash of the submodule name to see
if that can be a valid gitdir before giving up and throwing an error.
This is a "last resort" type of measure to avoid conflicts since it
loses the human readability of the gitdir path. This logic will be
reached in rare cases, as can be seen in the test we added.
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new check when extension.submodulePathConfig is enabled, to
detect and prevent case-folding filesystem colisions. When this
new check is triggered, a stricter casefolding aware URI encoding
is used to percent-encode uppercase characters.
By using this check/retry mechanism the uppercase encoding is
only applied when necessary, so case-sensitive filesystems are
not affected.
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix nested filesystem collisions by url-encoding gitdir paths stored
in submodule.%s.gitdir, when extensions.submodulePathConfig is enabled.
Credit goes to Junio and Patrick for coming up with this design: the
encoding is only applied when necessary, to newly added submodules.
Existing modules don't need the encoding because git already errors
out when detecting nested gitdirs before this patch.
This commit adds the basic url-encoding and some tests. Next commits
extend the encode -> validate -> retry loop to fix more conflicts.
Suggested-by: Junio C Hamano <gitster@pobox.com>
Suggested-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Manually running
"git config submodule.<name>.gitdir .git/modules/<name>"
for each submodule can be impractical, so add a migration command to
submodule--helper to automatically create configs for all submodules
as required by extensions.submodulePathConfig.
The command calls create_default_gitdir_config() which validates the
gitdir paths before adding the configs.
Suggested-by: Junio C Hamano <gitster@pobox.com>
Suggested-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The idea of this extension is to abstract away the submodule gitdir
path implementation: everyone is expected to use the config and not
worry about how the path is computed internally, either in git or
other implementations.
With this extension enabled, the submodule.<name>.gitdir repo config
becomes the single source of truth for all submodule gitdir paths.
The submodule.<name>.gitdir config is added automatically for all new
submodules when this extension is enabled.
Git will throw an error if the extension is enabled and a config is
missing, advising users how to migrate. Migration is manual for now.
E.g. to add a missing config entry for an existing "foo" module:
git config submodule.foo.gitdir .git/modules/foo
Suggested-by: Junio C Hamano <gitster@pobox.com>
Suggested-by: Phillip Wood <phillip.wood123@gmail.com>
Suggested-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This exposes the gitdir name computed by submodule_name_to_gitdir()
internally, to make it easier for users and tests to interact with it.
Next commit will add a gitdir configuration, so this helper can also be
used to easily query that config or validate any gitdir path the user
sets (submodule_name_to_git_dir now runs the validation logic, since
our previous commit).
Based-on-patch-by: Brandon Williams <bwilliams.eng@gmail.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move the ad-hoc validation checks sprinkled across the source tree,
after calling submodule_name_to_gitdir() into the function proper,
which now always validates the gitdir before returning it.
This simplifies the API and helps to:
1. Avoid redundant validation calls after submodule_name_to_gitdir().
2. Avoid the risk of callers forgetting to validate.
3. Ensure gitdir paths provided by users via configs are always valid
(config gitdir paths are added in a subsequent commit).
The validation function can still be called as many times as needed
outside submodule_name_to_gitdir(), for example we keep two calls
which are still required, to avoid parallel clone races by re-running
the validation in builtin/submodule-helper.c.
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While testing submodule gitdir path encoding, I noticed submodule--helper
is still using a hardcoded modules gitdir path leading to test failures.
Call the submodule_name_to_gitdir() helper instead, which was invented
exactly for this purpose and is already used by all the other locations
which work on gitdirs.
Also narrow the scope of the submod_gitdir_path variable which is not
used anymore in the updated "else" branch.
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git submodule add" to add a submodule under <name> segfaulted,
when a submodule.<name>.something is already in .gitmodules file
without defining where its submodule.<name>.path is, which has been
corrected.
* jc/submodule-add:
submodule add: sanity check existing .gitmodules
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"git submodule add" tries to find if a submodule with the same name
already exists at a different path, by looking up an entry in the
.gitmodules file. If the entry in the file is incomplete, e.g.,
when the submodule.<name>.something variable is defined but there is
no definition of submodule.<name>.path variable, it accesses the
missing .path member of the submodule structure and triggers a
segfault.
A brief audit was done to make sure that the code does not assume
members other than those that are absolutely certain to exist: a
submodule obtained by submodule_from_name() should have .name
member, while a submodule obtained by submodule_from_path() should
also have .path as well as .name member, and we cannot assume
anything else. Luckily, the module_add() codepath was the only
problematic one. It is fairly recent code that comes from 1fa06ced
(submodule: prevent overwriting .gitmodules on path reuse,
2025-07-24).
A helper used by update_submodule() seems to assume that its call to
submodule_from_path() always yields a submodule object without a
failure, which seems to rely on the caller making sure it is the
case. Leave an assert() with a NEEDSWORK comment there for future
developers to make sure the assumption actually holds.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `each_ref_fn` callback function type is used across our code base
for several different functions that iterate through reference. There's
a bunch of callbacks implementing this type, which makes any changes to
the callback signature extremely noisy. An example of the required churn
is e8207717f1 (refs: add referent to each_ref_fn, 2024-08-09): adding a
single argument required us to change 48 files.
It was already proposed back then [1] that we might want to introduce a
wrapper structure to alleviate the pain going forward. While this of
course requires the same kind of global refactoring as just introducing
a new parameter, it at least allows us to more change the callback type
afterwards by just extending the wrapper structure.
One counterargument to this refactoring is that it makes the structure
more opaque. While it is obvious which callsites need to be fixed up
when we change the function type, it's not obvious anymore once we use
a structure. That being said, we only have a handful of sites that
actually need to populate this wrapper structure: our ref backends,
"refs/iterator.c" as well as very few sites that invoke the iterator
callback functions directly.
Introduce this wrapper structure so that we can adapt the iterator
interfaces more readily.
[1]: <ZmarVcF5JjsZx0dl@tanuki>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The setup_revisions() function was designed to take the argc/argv pair
from the operating system. But we sometimes construct our own argv using
a strvec and pass that in. There are a few gotchas that callers need to
deal with here:
1. You should always pass the free_removed_argv_elements option via
setup_revision_opt. Otherwise, entries may be leaked if
setup_revisions() re-shuffles options.
2. After setup_revisions() returns, the strvec state is odd. We get a
reduced argc from setup_revisions() telling us how many unknown
options were left in place. Entries after that in argv may be
retained, or may be NULL (depending on how the reshuffling
happened). But the strvec's "nr" field still represents the
original value, and some of the entries it thinks it is still
storing may be NULL. Callers must be careful with how they access
it.
Some callers deal with (1), but not all. In practice they are OK because
they do not pass any options that would cause setup_revisions() to
re-shuffle (namely unknown options which may be relayed from the user,
and the use of the "--" separator). But it's probably a good idea to
consistently pass this option anyway to future-proof ourselves against
the details of setup_revisions() changing.
No callers address (2), though I don't think there any visible bugs.
Most of them simply call strvec_clear() and never otherwise look at the
result. And in fact, if they naively set foo.nr to the argc returned by
setup_revisions(), that would cause leaks! Because setup_revisions()
does not free consumed options[1], we have to leave the "nr" field of
the strvec at its original value to find and free them during
strvec_clear().
So I don't think there are any bugs to fix here, but we can make things
safer and simpler for callers. Let's introduce a helper function that
sets the free_removed_argv_elements automatically and shrinks the strvec
to represent the retained options afterwards (taking care to free the
now-obsolete entries).
We'll start by converting all of the call-sites which use the
free_removed_argv_elements option. There should be no behavior change
for them, except that their "shrunken" entries are cleaned up
immediately, rather than waiting for a strvec_clear() call.
[1] Arguably setup_revisions() should be doing this step for us if we
told it to free removed options, but there are many existing callers
which will be broken if it did. Introducing this helper is a
possible first step towards that.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The case where a new submodule takes a path where used to be a
completely different subproject is now dealt a bit better than
before.
* kj/renamed-submodule:
fixup! submodule: skip redundant active entries when pattern covers path
fixup! submodule: prevent overwriting .gitmodules on path reuse
submodule: skip redundant active entries when pattern covers path
submodule: prevent overwriting .gitmodules on path reuse
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configure_added_submodule always writes an explicit
submodule.<name>.active entry, even when the new
path is already matched by submodule.active
patterns. This leads to unnecessary and cluttered configuration.
change the logic to centralize wildmatch-based pattern lookup,
in configure_added_submodule. Wrap the active-entry write in a conditional
that only fires when that helper reports no existing pattern covers the
submodule’s path.
Signed-off-by: K Jayatheerth <jayatheerthkulkarni2005@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adding a submodule at a path that previously hosted
another submodule (e.g., 'child') reuses the submodule
name derived from the path. If the original submodule
was only moved (e.g., to 'child_old') and not renamed,
this silently overwrites its configuration in .gitmodules.
This behavior loses user configuration and causes
confusion when the original submodule is expected
to remain intact. It assumes that the path-derived
name is always safe to reuse, even though the name
might still be in use elsewhere in the repository.
Teach module_add() to check if the computed submodule
name already exists in the repository's submodule config,
and if so, refuse the operation unless the user explicitly
renames the submodule or uses the --force option,
which will automatically generate a unique name by
appending a number (e.g., child1).
Signed-off-by: K Jayatheerth <jayatheerthkulkarni2005@gmail.com>
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_set_gently()`.
All callsites are adjusted so that they use
`repo_config_set_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()`.
All callsites are adjusted so that they use
`repo_config_set_in_file(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_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_get()`. All
callsites are adjusted so that they use `repo_config_get(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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Updating submodules from the upstream did not work well when
submodule's HEAD is detached, which has been improved.
* jk/submodule-remote-lookup-cleanup:
submodule: look up remotes by URL first
submodule: move get_default_remote_submodule()
submodule--helper: improve logic for fallback remote name
remote: remove the_repository from some functions
dir: move starts_with_dot(_dot)_slash to dir.h
remote: fix tear down of struct remote
remote: remove branch->merge_name and fix branch_release()
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There are a couple of iterator-style functions that execute a callback
for each instance of a given set, all of which currently depend on
`the_repository`. Refactor them to instead take an object database as
parameter so that we can get rid of this dependency.
Rename the functions accordingly.
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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The `object_directory` structure is used as an access point for a single
object directory like ".git/objects". While the structure isn't yet
fully self-contained, the intent is for it to eventually contain all
information required to access objects in one specific location.
While the name "object directory" is a good fit for now, this will
change over time as we continue with the agenda to make pluggable object
databases a thing. Eventually, objects may not be accessed via any kind
of directory at all anymore, but they could instead be backed by any
kind of durable storage mechanism. While it seems quite far-fetched for
now, it is thinkable that eventually this might even be some form of a
database, for example.
As such, the current name of this structure will become worse over time
as we evolve into the direction of pluggable ODBs. Immediate next steps
will start to carve out proper self-contained object directories, which
requires us to pass in these object directories as parameters. Based on
our modern naming schema this means that those functions should then be
named after their subsystem, which means that we would start to bake the
current name into the codebase more and more.
Let's preempt this by renaming the structure. There have been a couple
alternatives that were discussed:
- `odb_backend` was discarded because it led to the association that
one object database has a single backend, but the model is that one
alternate has one backend. Furthermore, "backend" is more about the
actual backing implementation and less about the high-level concept.
- `odb_alternate` was discarded because it is a bit of a stretch to
also call the main object directory an "alternate".
Instead, pick `odb_source` as the new name. It makes it sufficiently
clear that there can be multiple sources and does not cause confusion
when mixed with the already-existing "alternate" terminology.
In the future, this change allows us to easily introduce for example a
`odb_files_source` and other format-specific implementations.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git maintenance" lacked the care "git gc" had to avoid holding
onto the repository lock for too long during packing refs, which
has been remedied.
* ps/maintenance-ref-lock:
builtin/maintenance: fix locking race when handling "gc" task
builtin/gc: avoid global state in `gc_before_repack()`
usage: allow dying without writing an error message
builtin/maintenance: fix locking race with refs and reflogs tasks
builtin/maintenance: split into foreground and background tasks
builtin/maintenance: fix typedef for function pointers
builtin/maintenance: extract function to run tasks
builtin/maintenance: stop modifying global array of tasks
builtin/maintenance: mark "--task=" and "--schedule=" as incompatible
builtin/maintenance: centralize configuration of explicit tasks
builtin/gc: drop redundant local variable
builtin/gc: use designated field initializers for maintenance tasks
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The get_default_remote_submodule() function performs a lookup to find
the appropriate remote to use within a submodule. The function first
checks to see if it can find the remote for the current branch. If this
fails, it then checks to see if there is exactly one remote. It will use
this, before finally falling back to "origin" as the default.
If a user happens to rename their default remote from origin, either
manually or by setting something like clone.defaultRemoteName, this
fallback will not work.
In such cases, the submodule logic will try to use a non-existent
remote. This usually manifests as a failure to trigger the submodule
update.
The parent project already knows and stores the submodule URL in either
.gitmodules or its .git/config.
Add a new repo_remote_from_url() helper which will iterate over all the
remotes in a repository and return the first remote which has a matching
URL.
Refactor get_default_remote_submodule to find the submodule and get its
URL. If a valid URL exists, first try to obtain a remote using the new
repo_remote_from_url(). Fall back to the repo_default_remote()
otherwise.
The fallback logic is kept in case for some reason the user has manually
changed the URL within the submodule. Additionally, we still try to use
a remote rather than directly passing the URL in the
fetch_in_submodule() logic. This ensures that an update will properly
update the remote refs within the submodule as expected, rather than
just fetching into FETCH_HEAD.
Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A future refactor got get_default_remote_submodule() is going to depend on
resolve_relative_url(). That function depends on get_default_remote().
Move get_default_remote_submodule() after resolve_relative_url() first
to make the additional functionality easier to review.
Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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