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Transactions are managed via the {begin,end}_odb_transaction() function
in the object-file subsystem and its implementation is specific to the
files object source. Introduce odb_transaction_{begin,commit}() in the
odb subsystem to provide an eventual object source agnostic means to
manage transactions.
Update call sites to instead manage transactions through the odb
subsystem. Also rename {begin,end}_odb_transaction() functions to
object_file_transaction_{begin,commit}() to clarify the object source it
supports.
Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The bulk-checkin subsystem provides various functions to manage ODB
transactions. Apart from {begin,end}_odb_transaction(), these functions
are only used by the object-file subsystem to manage aspects of a
transaction implementation specific to the files object source.
Relocate all the transaction code in bulk-checkin to object-file. This
simplifies the exposed transaction interface by reducing it to only
{begin,end}_odb_transaction(). Function and type names are adjusted in
the subsequent commit to better fit the new location.
Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With 23a3a303 (update-index: use the bulk-checkin infrastructure,
2022-04-04), object database transactions were added to
git-update-index(1) to facilitate writing objects in bulk. With
transactions, newly added objects are instead written to a temporary
object directory and migrated to the primary object database upon
transaction commit.
When the --verbose option is specified, the subsequent set of objects
written are explicitly flushed via flush_odb_transaction() prior to
reporting the update. Flushing the object database transaction migrates
pending objects to the primary object database without marking the
transaction as complete. This is done so objects are immediately visible
to git-update-index(1) callers using the --verbose option and that rely
on parsing verbose output to know when objects are written.
Due to how git-update-index(1) parses arguments, options that come after
a filename are not considered during the object update. Therefore, it
may not be known ahead of time whether the --verbose option is present
and thus object writes are considered transactional by default until a
--verbose option is parsed.
Flushing a transaction after individual object writes negates the
benefit of writing objects to a transaction in the first place.
Furthermore, the mechanism to flush a transaction without actually
committing is rather awkward. Drop the call to flush_odb_transaction()
in favor of ending the transaction altogether when the --verbose flag is
encountered. Subsequent object writes occur outside of a transaction and
are therefore immediately visible which matches the current behavior.
Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Object database transactions in the bulk-checkin subsystem rely on
global state to track transaction status. Stop relying on global state
and instead store the transaction in the `struct object_database`.
Functions that operate on transactions are updated to now wire
transaction state.
Signed-off-by: Justin Tobler <jltobler@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()`. 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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Similar to 09705696f7 (parse-options: introduce precision handling for
`OPTION_INTEGER`, 2025-04-17) support value variables of different sizes
for OPTION_SET_INT. Do that by requiring their "precision" to be set,
casting their "value" pointer accordingly and checking whether the value
fits.
Factor out the casting code from the part of do_get_value() that handles
OPTION_INTEGER to avoid code duplication. We're going to use it in the
next patches as well.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update parse-options API to catch mistakes to pass address of an
integral variable of a wrong type/size.
* ps/parse-options-integers:
parse-options: detect mismatches in integer signedness
parse-options: introduce precision handling for `OPTION_UNSIGNED`
parse-options: introduce precision handling for `OPTION_INTEGER`
parse-options: rename `OPT_MAGNITUDE()` to `OPT_UNSIGNED()`
parse-options: support unit factors in `OPT_INTEGER()`
global: use designated initializers for options
parse: fix off-by-one for minimum signed values
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While we expose macros for most of our different option types understood
by the "parse-options" subsystem, not every combination of fields that
has one as that would otherwise quickly lead to an explosion of macros.
Instead, we just initialize structures manually for those variants of
fields that don't have a macro.
Callsites that open-code these structure initialization don't use
designated initializers though and instead just provide values for each
of the fields that they want to initialize. This has three significant
downsides:
- Callsites need to specify all values up to the last field that they
care about. This often includes fields that should simply be left at
their default zero-initialized state, which adds distraction.
- Any reader not deeply familiar with the layout of the structure
has a hard time figuring out what the respective initializers mean.
- Reordering or introducing new fields in the middle of the structure
is impossible without adapting all callsites.
Convert all sites to instead use designated initializers, which we have
started using in our codebase quite a while ago. This allows us to skip
any default-initialized fields, gives the reader context by specifying
the field names and allows us to reorder or introduce new fields where
we want to.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The functions `hash_object_file()`, `write_object_file()` and
`index_fd()` reuse the same set of flags to alter their behaviour. This
not only adds confusion, but given that every function only supports a
subset of the flags it becomes very hard to see which flags can be
passed to what function. Last but not least, this entangles the
implementation of all three function families.
Split up concerns by creating separate flags for each of the function
families.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using the show_usage_with_options_if_asked() helper we introduced
earlier, fix callers of usage_with_options() that want to show the
help text when explicitly asked by the end-user. The help text now
goes to the standard output stream for them.
The test in t7600 for "git merge -h" may want to be retired, as the
same is covered by t0012 already, but it is specifically testing that
the "-h" option gets a response even with a corrupt index file, so
for now let's leave it there.
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Mark code units that generate warnings with `-Wsign-compare`. This
allows for a structured approach to get rid of all such warnings over
time in a way that can be easily measured.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The convention to calling into built-in command implementation has
been updated to pass the repository, if known, together with the
prefix value.
* jc/pass-repo-to-builtins:
add: pass in repo variable instead of global the_repository
builtin: remove USE_THE_REPOSITORY for those without the_repository
builtin: remove USE_THE_REPOSITORY_VARIABLE from builtin.h
builtin: add a repository parameter for builtin functions
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Instead of including USE_THE_REPOSITORY_VARIABLE by default on every
builtin, remove it from builtin.h and add it to all the builtins that
include builtin.h (by definition, that means all builtins/*.c).
Also, remove the include statement for repository.h since it gets
brought in through builtin.h.
The next step will be to migrate each builtin
from having to use the_repository.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to reduce the usage of the global the_repository, add a
parameter to builtin functions that will get passed a repository
variable.
This commit uses UNUSED on most of the builtin functions, as subsequent
commits will modify the actual builtins to pass the repository parameter
down.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `get_git_work_tree()` function retrieves the path of the work tree
of `the_repository`. Make it accept a `struct repository` such that it
can work on arbitrary repositories and make it part of the repository
subsystem. This reduces our reliance on `the_repository` and clarifies
scope.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `get_index_file()` function retrieves the path to the index file
of `the_repository`. Make it accept a `struct repository` such that it
can work on arbitrary repositories and make it part of the repository
subsystem. This reduces our reliance on `the_repository` and clarifies
scope.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactor `git_config_get_split_index()` to accept a `struct repository`
such that we can get rid of the implicit dependency on `the_repository`.
Rename the function accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `resolve_gitlink_ref()` we implicitly rely on `the_repository` to
look up the submodule ref store. Now that we can look up submodule ref
stores for arbitrary repositories we can improve this function to
instead accept a repository as parameter for which we want to resolve
the gitlink.
Do so 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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ps/refs-without-the-repository-updates
* ps/refs-without-the-repository:
refs: remove functions without ref store
cocci: apply rules to rewrite callers of "refs" interfaces
cocci: introduce rules to transform "refs" to pass ref store
refs: add `exclude_patterns` parameter to `for_each_fullref_in()`
refs: introduce missing functions that accept a `struct ref_store`
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Apply the rules that rewrite callers of "refs" interfaces to explicitly
pass `struct ref_store`. The resulting patch has been applied with the
`--whitespace=fix` option.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert builtins to use `the_repository->index` instead of `the_index`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"checkout --merge -- path" and "update-index --unresolve path" did
not resurrect conflicted state that was resolved to remove path,
but now they do.
* jc/unresolve-removal:
checkout: allow "checkout -m path" to unmerge removed paths
checkout/restore: add basic tests for --merge
checkout/restore: refuse unmerging paths unless checking out of the index
update-index: remove stale fallback code for "--unresolve"
update-index: use unmerge_index_entry() to support removal
resolve-undo: allow resurrecting conflicted state that resolved to deletion
update-index: do not read HEAD and MERGE_HEAD unconditionally
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"git update-index" learns "--show-index-version" to inspect
the index format version used by the on-disk index file.
* jc/update-index-show-index-version:
test-tool: retire "index-version"
update-index: add --show-index-version
update-index doc: v4 is OK with JGit and libgit2
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"git update-index --index-version N" is used to set the index format
version to a specific version, but there was no way to query the
current version used in the on-disk index file.
Teach the command a new "--show-index-version" option, and also
teach the "--index-version N" option to report what the version was
when run with the "--verbose" option.
Helped-by: Linus Arver <linusa@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous commit argued that parse-options callbacks should try to
use opt->value rather than touching globals directly. In some cases,
however, that's awkward to do. Some callbacks touch multiple variables,
or may even just call into an abstracted function that does so.
In some of these cases we _could_ convert them by stuffing the multiple
variables into a single struct and passing the struct pointer through
opt->value. But that may make other parts of the code less readable,
as the struct relationship has to be mentioned everywhere.
Let's just accept that these cases are special and leave them as-is. But
we do need to mark their "opt" parameters to satisfy -Wunused-parameter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git checkout -m -- path" uses the unmerge_marked_index() API, whose
implementation is incapable of unresolving a path that was resolved
as removed. Extend the unmerge_index() API function so that we can
mark the ce_flags member of the cache entries we add to the index as
unmerged, and replace use of unmerge_marked_index() with it.
Now, together with its unmerge_index_entry_at() helper function,
unmerge_marked_index() function is no longer called by anybody, and
can safely be removed.
This makes two known test failures in t2070 and t7201 to succeed.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "update-index --unresolve" is a relatively old feature that was
introduced in Git v1.4.1 (June 2006), which predates the
resolve-undo extension introduced in Git v1.7.0 (February 2010).
The original code that was limited only to work during a merge (and
not during a rebase or a cherry-pick) has been kept as the fallback
codepath to be used as a transition measure.
By now, for more than 10 years we have stored resolve-undo extension
in the index file, and the fallback code way outlived its usefulness.
Remove it, together with two file-scope static global variables.
One of these variables is still used by surviving function, but it
does not have to be a global at all, so move it to local to that
function.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"update-index --unresolve" uses the unmerge_index_entry_at() that
assumes that the path to be unresolved must be in the index, which
makes it impossible to unresolve a path that was resolved as removal.
Rewrite unresolve_one() to use the unmerge_index_entry() to support
unresolving such a path.
Existing tests for "update-index --unresolve" forgot to check one
thing that tests for "checkout --merge -- paths" tested, which is to
make sure that resolve-undo record that has already been used to
recreate higher-stage index entries is removed. Add new invocations
of "ls-files --resolve-undo" after running "update-index --unresolve"
to make sure that unresolving with update-index does remove the used
resolve-undo records.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "update-index --unresolve $path" cannot find the resolve-undo
record for the path the user requested to unresolve, it stuffs the
blobs from HEAD and MERGE_HEAD to stage #2 and stage #3 as a
fallback. For this reason, the operation does not even start unless
both "HEAD" and "MERGE_HEAD" exist.
This is suboptimal in a few ways:
* It does not recreate stage #1. Even though it is a correct
design decision not to do so (because it is impossible to
recreate in general cases, without knowing how we got there,
including what merge strategy was used), it is much less useful
not to have that information in the index.
* It limits the "unresolve" operation only during a conflicted "git
merge" and nothing else. Other operations like "rebase",
"cherry-pick", and "switch -m" may result in conflicts, and the
user may want to unresolve the conflict that they incorrectly
resolved in order to redo the resolution, but the fallback would
not kick in.
* Most importantly, the entire "unresolve" operation is disabled
after a conflicted merge is committed and MERGE_HEAD is removed,
even though the index has perfectly usable resolve-undo records.
By lazily reading the HEAD and MERGE_HEAD only when we need to go to
the fallback codepath, we will allow cases where resolve-undo
records are available (which is 100% of the time, unless the user is
reading from an index file created by Git more than 10 years ago) to
proceed even after a conflicted merge was committed, during other
mergy operations that do not use MERGE_HEAD, or after the result of
such mergy operations has been committed.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since this header showed up in some places besides just #include
statements, update/clean-up/remove those other places as well.
Note that compat/fsmonitor/fsm-path-utils-darwin.c previously got
away with violating the rule that all files must start with an include
of git-compat-util.h (or a short-list of alternate headers that happen
to include it first). This change exposed the violation and caused it
to stop building correctly; fix it by having it include
git-compat-util.h first, as per policy.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For the functions defined in read-cache.c, move their declarations from
cache.h to a new header, read-cache-ll.h. Also move some related inline
functions from cache.h to read-cache.h. The purpose of the
read-cache-ll.h/read-cache.h split is that about 70% of the sites don't
need the inline functions and the extra headers they include.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Note in particular that this reverses the decision made in 118a2e8bde0
("cache: move ensure_full_index() to cache.h", 2021-04-01).
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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hash.h depends upon and includes repository.h, due to the definition and
use of the_hash_algo (defined as the_repository->hash_algo). However,
most headers trying to include hash.h are only interested in the layout
of the structs like object_id. Move the parts of hash.h that do not
depend upon repository.h into a new file hash-ll.h (the "low level"
parts of hash.h), and adjust other files to use this new header where
the convenience inline functions aren't needed.
This allows hash.h and object.h to be fairly small, minimal headers. It
also exposes a lot of hidden dependencies on both path.h (which was
brought in by repository.h) and repository.h (which was previously
implicitly brought in by object.h), so also adjust other files to be
more explicit about what they depend upon.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Dozens of files made use of gettext functions, without explicitly
including gettext.h. This made it more difficult to find which files
could remove a dependence on cache.h. Make C files explicitly include
gettext.h if they are using it.
However, while compat/fsmonitor/fsm-ipc-darwin.c should also gain an
include of gettext.h, it was left out to avoid conflicting with an
in-flight topic.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Apply the rule added in [1] to change "cache_name_pos" to
"index_name_pos", which allows us to get rid of another
"USE_THE_INDEX_COMPATIBILITY_MACROS" macro.
The replacement of "USE_THE_INDEX_COMPATIBILITY_MACROS" here with
"USE_THE_INDEX_VARIABLE" is a manual change on top, now that these
files only use "&the_index", and don't need any compatibility
macros (or functions).
1. 0e6550a2c63 (cocci: add a index-compatibility.pending.cocci,
2022-11-19)
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Apply "index-compatibility.pending.cocci" rule to "builtin/*", but
exclude those where we conflict with in-flight changes.
As a result some of them end up using only "the_index", so let's have
them use the more narrow "USE_THE_INDEX_VARIABLE" rather than
"USE_THE_INDEX_COMPATIBILITY_MACROS".
Manual changes not made by coccinelle, that were squashed in:
* Whitespace-wrap argument lists for repo_hold_locked_index(),
repo_read_index_preload() and repo_refresh_and_write_index(), in cases
where the line became too long after the transformation.
* Change "refresh_cache()" to "refresh_index()" in a comment in
"builtin/update-index.c".
* For those whose call was followed by perror("<macro-name>"), change
it to perror("<function-name>"), referring to the new function.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Mostly apply the part of "index-compatibility.pending.cocci" that
renames the global variables like "active_nr", which are a shorthand
to referencing (in that case) a struct member as "the_index.cache_nr".
In doing so move more of "index-compatibility.pending.cocci" to
"index-compatibility.cocci".
In the case of "active_nr" we'd have a textual conflict with
"ab/various-leak-fixes" in "next"[1]. Let's exclude that specific case
while moving the rule over from "pending".
1. 407b94280f8 (commit: discard partial cache before (re-)reading it,
2022-11-08)
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Apply a selection of rules in "index-compatibility.pending.cocci"
tree-wide, and in doing so migrate them to
"index-compatibility.cocci".
As in preceding commits the only manual changes here are the macro
removals in "cache.h", and the update to the '*.cocci" rules. The rest
of the C code changes are the result of applying those updated rules.
Move rules for some rarely used cache compatibility macros from
"index-compatibility.pending.cocci" to "index-compatibility.cocci" and
apply them.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 4aab5b46f44 (Make read-cache.c "the_index" free., 2007-04-01)
we've been undergoing a slow migration away from these macros, but
haven't made much progress since f8adbec9fea (cache.h: flip
NO_THE_INDEX_COMPATIBILITY_MACROS switch, 2019-01-24).
Let's move forward a bit by changing the users of those macros that
are rare enough that we can convert them in one go, and then remove
the compatibility shim.
The only manual change to the C code here is to "cache.h", the rest is
all the result of applying the new "index-compatibility.cocci".
Even though it's a one-off, let's keep the coccinelle rules for
now. We'll extend them in subsequent commits, and this will help
anything that's in-flight or out-of-tree to migrate.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
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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More fsmonitor--daemon.
* jh/builtin-fsmonitor-part3: (30 commits)
t7527: improve implicit shutdown testing in fsmonitor--daemon
fsmonitor--daemon: allow --super-prefix argument
t7527: test Unicode NFC/NFD handling on MacOS
t/lib-unicode-nfc-nfd: helper prereqs for testing unicode nfc/nfd
t/helper/hexdump: add helper to print hexdump of stdin
fsmonitor: on macOS also emit NFC spelling for NFD pathname
t7527: test FSMonitor on case insensitive+preserving file system
fsmonitor: never set CE_FSMONITOR_VALID on submodules
t/perf/p7527: add perf test for builtin FSMonitor
t7527: FSMonitor tests for directory moves
fsmonitor: optimize processing of directory events
fsm-listen-darwin: shutdown daemon if worktree root is moved/renamed
fsm-health-win32: force shutdown daemon if worktree root moves
fsm-health-win32: add polling framework to monitor daemon health
fsmonitor--daemon: stub in health thread
fsmonitor--daemon: rename listener thread related variables
fsmonitor--daemon: prepare for adding health thread
fsmonitor--daemon: cd out of worktree root
fsm-listen-darwin: ignore FSEvents caused by xattr changes on macOS
unpack-trees: initialize fsmonitor_has_run_once in o->result
...
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Introduce a filesystem-dependent mechanism to optimize the way the
bits for many loose object files are ensured to hit the disk
platter.
* ns/batch-fsync:
core.fsyncmethod: performance tests for batch mode
t/perf: add iteration setup mechanism to perf-lib
core.fsyncmethod: tests for batch mode
test-lib-functions: add parsing helpers for ls-files and ls-tree
core.fsync: use batch mode and sync loose objects by default on Windows
unpack-objects: use the bulk-checkin infrastructure
update-index: use the bulk-checkin infrastructure
builtin/add: add ODB transaction around add_files_to_cache
cache-tree: use ODB transaction around writing a tree
core.fsyncmethod: batched disk flushes for loose-objects
bulk-checkin: rebrand plug/unplug APIs as 'odb transactions'
bulk-checkin: rename 'state' variable and separate 'plugged' boolean
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Bare repos do not have a worktree, so there is nothing for the
daemon watch.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The update-index functionality is used internally by 'git stash push' to
setup the internal stashed commit.
This change enables odb-transactions for update-index infrastructure to
speed up adding new objects to the object database by leveraging the
batch fsync functionality.
There is some risk with this change, since under batch fsync, the object
files will be in a tmp-objdir until update-index is complete, so callers
using the --stdin option will not see them until update-index is done.
This risk is mitigated by flushing the ODB transaction prior to
reporting any verbose output so that objects will be visible to callers
that are synchronizing with update-index by snooping its output.
Signed-off-by: Neeraj Singh <neerajsi@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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