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As the comment of `repo_has_object_file()` and its `_with_flags()`
variant tells us, these functions are considered to be deprecated in
favor of `has_object()`. There are a couple of slight benefits in favor
of the replacement:
- The new function has a short-and-sweet name.
- More explicit defaults: `has_object()` doesn't fetch missing objects
via promisor remotes, and neither does it reload packfiles if an
object wasn't found by default. This ensures that it becomes
immediately obvious when a simple object existence check may result
in expensive actions.
Most importantly though, it is confusing that we have two sets of
functions that ultimately do the same thing, but with different
defaults.
Start sunsetting `repo_has_object_file()` and its `_with_flags()`
sibling by replacing all callsites with `has_object()`:
- `repo_has_object_file(...)` is equivalent to
`has_object(..., HAS_OBJECT_RECHECK_PACKED | HAS_OBJECT_FETCH_PROMISOR)`.
- `repo_has_object_file_with_flags(..., OBJECT_INFO_QUICK | OBJECT_INFO_SKIP_FETCH_OBJECT)`
is equivalent to `has_object(..., 0)`.
- `repo_has_object_file_with_flags(..., OBJECT_INFO_SKIP_FETCH_OBJECT)`
is equivalent to `has_object(..., HAS_OBJECT_RECHECK_PACKED)`.
- `repo_has_object_file_with_flags(..., OBJECT_INFO_QUICK)`
is equivalent to `has_object(..., HAS_OBJECT_FETCH_PROMISOR)`.
The replacements should be functionally equivalent.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We carry declarations for a couple of functions in "object-store.h" that
are not defined in "object-store.c", but in a different subsystem. Move
these declarations to the respective headers whose matching code files
carry the corresponding definition.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `odb_pack_keep()` creates a file at the passed-in path. If
this fails, then the function re-tries by first creating any potentially
missing leading directories and then trying to create the file once
again. As such, this function doesn't host any kind of logic that is
specific to the object store, but is rather a generic helper function.
Rename the function to `safe_create_file_with_leading_directories()` and
move it into "path.c". While at it, refactor it so that it loses its
dependency on `the_repository`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As detailed in the previous changes to t5309-pack-delta-cycles.sh, the
logic within 'git index-pack' to analyze an incoming thin packfile with
REF_DELTAs is suspect. The algorithm is overly cautious around delta
cycles, and that leads in fact to failing even when there is no cycle.
This change adjusts the algorithm to no longer fail in these cases. In
fact, these cycle cases will no longer fail but more importantly the
valid cases will no longer fail, either. The resulting packfile from the
--fix-thin operation will not have cycles either since REF_DELTAs are
forbidden from the on-disk format and OFS_DELTAs are impossible to write
as a cycle.
The crux of the matter is how the algorithm works when the REF_DELTAs
point to base objects that exist in the local repository. When reading
the thin packfile, the object IDs for the delta objects are unknown so
we do not have the delta chain structure automatically. Instead, we need
to start somewhere by selecting a delta whose base is inside our current
object database.
Consider the case where the packfile has two REF_DELTA objects, A and B,
and the delta chain looks like "A depends on B" and "B depends on C" for
some third object C, where C is already in the current repository. The
algorithm _should_ start with all objects that depend on C, finding B,
and then moving on to all objects depending on B, finding A.
However, if the repository also already has object B, then the delta
chain can be analyzed in a different order. The deltas with base B can
be analyzed first, finding A, and then the deltas with base C are
analyzed, finding B. The algorithm currently continues to look for
objects that depend on B, finding A again. This fails due to A's
'real_type' member already being overwritten from OBJ_REF_DELTA to the
correct object type.
This scenario is possible in a typical 'git fetch' where the client does
not advertise B as a 'have' but requests A as a 'want' (and C is noticed
as a common object based on other 'have's). The reason this isn't
typically seen is that most Git servers use OFS_DELTAs to represent
deltas within a packfile. However, if a server uses only REF_DELTAs,
then this kind of issue can occur. There is nothing in the explicit
packfile format that states this use of inter-pack REF_DELTA is
incorrect, only that REF_DELTAs should not be used in the on-disk
representation to avoid cycles.
This die() was introduced in ab791dd138 (index-pack: fix race condition
with duplicate bases, 2014-08-29). Several refactors have adjusted the
error message and the surrounding logic, but this issue has existed for
a longer time as that was only a conversion from an assert().
The tests in t5309 originated in 3b910d0c5e (add tests for indexing
packs with delta cycles, 2013-08-23) and b2ef3d9ebb (test index-pack on
packs with recoverable delta cycles, 2013-08-23). These changes make
note that the current behavior of handling "resolvable" cycles is mostly
a documentation-only test, not that this behavior is the best way for
Git to handle the situation.
The fix here is somewhat complicated due to the amount of state being
adjusted by the loop within threaded_second_pass(). Instead of trying to
resume the start of the loop while adjusting the necessary context, I
chose to scan the REF_DELTAs depending on the current 'parent' and skip
any that have already been processed. This necessarily leaves us in a
state where 'child' and 'child_obj' could be left as NULL and that must
be handled later. There is also some careful handling around skipping
REF_DELTAs when there are also OFS_DELTAs depending on that parent.
There may be value in extending 'test-tool pack-deltas' to allow writing
OFS_DELTAs in order to exercise this logic across the delta types.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Various build tweaks, including CSPRNG selection on some platforms.
* rj/build-tweaks:
config.mak.uname: set CSPRNG_METHOD to getrandom on Linux
config.mak.uname: add arc4random to the cygwin build
config.mak.uname: add sysinfo() configuration for cygwin
builtin/gc.c: correct RAM calculation when using sysinfo
config.mak.uname: add clock_gettime() to the cygwin build
config.mak.uname: add HAVE_GETDELIM to the cygwin section
config.mak.uname: only set NO_REGEX on cygwin for v1.7
config.mak.uname: add a note about NO_STRLCPY for Linux
Makefile: remove NEEDS_LIBRT build variable
meson.build: set default help format to html on windows
meson.build: only set build variables for non-default values
Makefile: only set some BASIC_CFLAGS when RUNTIME_PREFIX is set
meson.build: remove -DCURL_DISABLE_TYPECHECK
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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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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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* 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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Doc mark-up updates.
* ja/doc-reset-mv-rm-markup-updates:
doc: add markup for characters in Guidelines
doc: fix asciidoctor synopsis processing of triple-dots
doc: convert git-mv to new documentation format
doc: move synopsis git-mv commands in the synopsis section
doc: convert git-rm to new documentation format
doc: fix synopsis analysis logic
doc: convert git-reset to new documentation format
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When using the launchctl scheduler, the weekly job runs daily, and the
daily job runs on the first six days of each month. This appears to be
due to specifying "Day" in the calendar intervals, which according to
launchd.plist(5) is for specifying days of the month rather than days of
the week. The behaviour of running a job on the 0th day is undocumented,
but in my testing appears to be the same as not specifying "Day" in the
calendar interval, in which case the job will run daily.
Use "Weekday" in the calendar intervals, which is the correct way to
schedule jobs to run on specific days of the week.
Signed-off-by: Josh Heinrichs <joshiheinrichs@gmail.com>
Acked-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since we already teach the `repo_config()` in "f29f1990b5
(config: teach repo_config to allow `repo` to be NULL, 2025-03-08)"
to allow `repo` to be NULL, no need to check if `repo` is NULL
before calling `repo_config()`.
Suggested-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Usman Akinyemi <usmanakinyemi202@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since we already teach the `repo_config()` in "f29f1990b5
(config: teach repo_config to allow `repo` to be NULL, 2025-03-08)"
to allow `repo` to be NULL, no need to check if `repo` is NULL
before calling `repo_config()`.
Suggested-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Usman Akinyemi <usmanakinyemi202@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code simplification.
* ua/update-update-server-info:
builtin/update-server-info: remove unnecessary if statement
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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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"git blame --porcelain" mode now talks about unblamable lines and
lines that are blamed to an ignored commit.
* kn/blame-porcelain-unblamable:
blame: print unblamable and ignored commits in porcelain mode
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"git fetch [<remote>]" with only the configured fetch refspec
should be the only thing to update refs/remotes/<remote>/HEAD,
but the code was overly eager to do so in other cases.
* jk/fetch-follow-remote-head-fix:
fetch: make set_head() call easier to read
fetch: don't ask for remote HEAD if followRemoteHEAD is "never"
fetch: only respect followRemoteHEAD with configured refspecs
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It was reported that "t5620-backfill.sh" fails on s390x and sparc64 in a
test that exercises the "--min-batch-size" command line option. The
symptom was that the option didn't seem to have an effect: we didn't
fetch objects with a batch size of 20, but instead fetched all objects
at once.
As it turns out, the root cause is that `--min-batch-size` uses
`OPT_INTEGER()` to parse the command line option. While this macro
expects the caller to pass a pointer to an integer, we instead pass a
pointer to a `size_t`. This coincidentally works on most platforms, but
it breaks apart on the mentioned platforms because they are big endian.
This issue isn't specific to git-backfill(1): there are a couple of
other places where we have the same type confusion going on. This
indicates that the issue really is the interface that the parse-options
subsystem provides -- it is simply too easy to get this wrong as there
isn't any kind of compiler warning, and things just work on the most
common systems.
Address the systemic issue by introducing two new build asserts
`BARF_UNLESS_SIGNED()` and `BARF_UNLESS_UNSIGNED()`. As the names
already hint at, those macros will cause a compiler error when passed a
value that is not signed or unsigned, respectively.
Adapt `OPT_INTEGER()`, `OPT_UNSIGNED()` as well as `OPT_MAGNITUDE()` to
use those asserts. This uncovers a small set of sites where we indeed
have the same bug as in git-backfill(1). Adapt all of them to use the
correct option.
Reported-by: Todd Zullinger <tmz@pobox.com>
Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Helped-by: SZEDER Gábor <szeder.dev@gmail.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `OPTION_INTEGER` option type accepts a signed integer. The type of
the underlying integer is a simple `int`, which restricts the range of
values accepted by such options. But there is a catch: because the
caller provides a pointer to the value via the `.value` field, which is
a simple void pointer. This has two consequences:
- There is no check whether the passed value is sufficiently long to
store the entire range of `int`. This can lead to integer wraparound
in the best case and out-of-bounds writes in the worst case.
- Even when a caller knows that they want to store a value larger than
`INT_MAX` they don't have a way to do so.
In practice this doesn't tend to be a huge issue because users typically
don't end up passing huge values to most commands. But the parsing logic
is demonstrably broken, and it is too easy to get the calling convention
wrong.
Improve the situation by introducing a new `precision` field into the
structure. This field gets assigned automatically by `OPT_INTEGER_F()`
and tracks the size of the passed value. Like this it becomes possible
for the caller to pass arbitrarily-sized integers and the underlying
logic knows to handle it correctly by doing range checks. Furthermore,
convert the code to use `strtoimax()` intstead of `strtol()` so that we
can also parse values larger than `LONG_MAX`.
Note that we do not yet assert signedness of the passed variable, which
is another source of bugs. This will be handled in a subsequent commit.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With the preceding commit, `OPT_INTEGER()` has learned to support unit
factors. Consequently, the major differencen between `OPT_INTEGER()` and
`OPT_MAGNITUDE()` isn't the support of unit factors anymore, as both of
them do support them now. Instead, the difference is that one handles
signed and the other handles unsigned integers.
Adapt the name of `OPT_MAGNITUDE()` accordingly by renaming it to
`OPT_UNSIGNED()`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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 man page for sysinfo(2) on Linux states that (from v2.3.48) the
sizes of the memory and swap fields, of the returned structure, are
given as multiples of 'mem_unit' bytes. In earlier versions (prior to
v2.3.23 on i386 in particular), the 'mem_unit' field was not part of
the structure, and all sizes were measured in bytes. The man page does
not discuss the motivation for this change, but it is possible that the
change was intended for the, relatively rare, 32-bit platform with more
than 4GB of memory.
The total_ram() function makes the assumption that the 'totalram' field
of the 'struct sysinfo' is measured in bytes, or alternatively that the
'mem_unit' field is always equal to one. Having writen a program to call
the sysinfo() function and print the structure fields, it seems that, on
Linux x84_64 and i686 anyway, the 'mem_unit' field is indeed set to one
(note that the 32-bit system had only 2GB ram). However, cygwin also has
an sysinfo() implementation, which gives the following values:
$ ./sysinfo
uptime: 21381
loads: 0, 0, 0
total ram: 2074637
free ram: 843237
shared ram: 0
buffer ram: 0
total swap: 327680
free swap: 306932
procs: 15
total high: 0
free high: 0
mem_unit: 4096
total ram: 8497713152
$
[This laptop has 8GB ram, so a little bit seems to be missing. ;) ]
Modify the total_ram() function to allow for the possibility that the
memory size is not specified in bytes (ie 'mem_unit' is greater than
one).
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git cat-file --batch" and friends learned to allow "--filter=" to
omit certain objects, just like the transport layer does.
* ps/cat-file-filter-batch:
builtin/cat-file: use bitmaps to efficiently filter by object type
builtin/cat-file: deduplicate logic to iterate over all objects
pack-bitmap: introduce function to check whether a pack is bitmapped
pack-bitmap: add function to iterate over filtered bitmapped objects
pack-bitmap: allow passing payloads to `show_reachable_fn()`
builtin/cat-file: support "object:type=" objects filter
builtin/cat-file: support "blob:limit=" objects filter
builtin/cat-file: support "blob:none" objects filter
builtin/cat-file: wire up an option to filter objects
builtin/cat-file: introduce function to report object status
builtin/cat-file: rename variable that tracks usage
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Updating multiple references have only been possible in all-or-none
fashion with transactions, but it can be more efficient to batch
multiple updates even when some of them are allowed to fail in a
best-effort manner. A new "best effort batches of updates" mode
has been introduced.
* kn/non-transactional-batch-updates:
update-ref: add --batch-updates flag for stdin mode
refs: support rejection in batch updates during F/D checks
refs: implement batch reference update support
refs: introduce enum-based transaction error types
refs/reftable: extract code from the transaction preparation
refs/files: remove duplicate duplicates check
refs: move duplicate refname update check to generic layer
refs/files: remove redundant check in split_symref_update()
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"git maintenance" learns a new task to expire reflog entries.
* ps/maintenance-reflog-expire:
builtin/maintenance: introduce "reflog-expire" task
builtin/gc: split out function to expire reflog entries
builtin/reflog: make functions regarding `reflog_expire_options` public
builtin/reflog: stop storing per-reflog expiry dates globally
builtin/reflog: stop storing default reflog expiry dates globally
reflog: rename `cmd_reflog_expire_cb` to `reflog_expire_options`
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"git rev-list" learns machine-parsable output format that delimits
each field with NUL.
* jt/rev-list-z:
rev-list: support NUL-delimited --missing option
rev-list: support NUL-delimited --boundary option
rev-list: support delimiting objects with NUL bytes
rev-list: refactor early option parsing
rev-list: inline `show_object_with_name()` in `show_object()`
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Some warnings from "-Wsign-compare" for builtin/rm.c have been
squelched.
* ab/rm-sign-compare:
rm: fix sign comparison warnings
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A ref transaction corner case fix.
* jt/ref-transaction-abort-fix:
builtin/fetch: avoid aborting closed reference transaction
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Code clean-up.
* js/comma-semicolon-confusion:
detect-compiler: detect clang even if it found CUDA
clang: warn when the comma operator is used
compat/regex: explicitly mark intentional use of the comma operator
wildmatch: avoid using of the comma operator
diff-delta: avoid using the comma operator
xdiff: avoid using the comma operator unnecessarily
clar: avoid using the comma operator unnecessarily
kwset: avoid using the comma operator unnecessarily
rebase: avoid using the comma operator unnecessarily
remote-curl: avoid using the comma operator unnecessarily
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"git clone" still gave the message about the default branch name;
this message has been turned into an advice message that can be
turned off.
* jt/clone-guess-remote-head-fix:
advice: allow disabling default branch name advice
builtin/clone: suppress unexpected default branch advice
remote: allow `guess_remote_head()` to suppress advice
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The job to coalesce loose objects into packfiles in "git
maintenance" now has configurable batch size.
* ds/maintenance-loose-objects-batchsize:
maintenance: add loose-objects.batchSize config
maintenance: force progress/no-quiet to children
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"git reflog" learns "drop" subcommand, that discards the entire
reflog data for a ref.
* kn/reflog-drop:
reflog: implement subcommand to drop reflogs
reflog: improve error for when reflog is not found
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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 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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While we have the "object-store.h" header, most of the functionality for
object stores is actually hosted in "object-file.c". This makes it hard
to find relevant functions and causes us to mix up concerns.
Split out functions relating to the object store subsystem into a new
"object-store.c" file.
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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The `mkdir_in_gitdir()` function is similar to `safe_create_dir()`, but
the former is hosted in "object-file.c" whereas the latter is hosted in
"path.c". The latter code unit makes way more sense though as the logic
has nothing to do with object files in particular.
Move the file into "path.c". While at it, we:
- Rename the function to `safe_create_dir_in_gitdir()` so that the
function names are similar to one another.
- Remove the dependency on `the_repository` by making the callers pass
the repository instead.
Adjust callers accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Switch the synopsis to a synopsis block which will automatically
format placeholders in italics and keywords in monospace
- Use _<placeholder>_ instead of <placeholder> in the description
- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
Unfortunately, there's an inconsistency in the synopsis style, where
the ellipsis is used to indicate that the option can be repeated, but
it can also be used in Git's three-dot notation to indicate a range of
commits. The rendering engine will not be able to distinguish
between these two cases.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This also entails changing the help output for the command to match the new
synopsis.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We ignore any error returned from set_head(), but 638060dcb9 (fetch
set_head: refactor to use remote directly, 2025-01-26) left its call in
a noop "if" conditional as a sort of note-to-self.
When c834d1a7ce (fetch: only respect followRemoteHEAD with configured
refspecs, 2025-03-18) added a "do_set_head" flag, it was rolled into the
same conditional, putting set_head() on the right-hand side of a
short-circuit AND.
That's not wrong, but it really hides the point of the line, which
is (maybe) calling the function.
Instead, let's have a full if() block for the flag, and then our comment
(with some rewording) will be sufficient to clarify the error handling.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since we already teach the `repo_config()` in f29f1990 (config:
teach repo_config to allow `repo` to be NULL, 2025-03-08) to allow
`repo` to be NULL, no need to check if `repo` is NULL before calling
`repo_config()`.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Usman Akinyemi <usmanakinyemi202@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 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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This environment variable existed to allow the testsuite to reuse all
the merge-related tests in the testsuite while easily flipping between
the 'recursive' and the 'ort' backends. Now that we have removed
merge-recursive and remapped 'recursive' to mean 'ort', we don't need
this scaffolding anymore. Remove it from these three builtins.
Signed-off-by: Elijah Newren <newren@gmail.com>
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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Switch from merge-recursive to merge-ort. Adjust the following
testcases due to the switch:
* t6430: most of the test differences here were due to improved D/F
conflict handling explained in more detail in ef527787089c (merge
tests: expect improved directory/file conflict handling in ort,
2020-10-26). These changes weren't made to this test back in that
commit simply because I had been looking at `git merge` rather than
`git merge-recursive`. The final test in this testsuite, though, was
expunged because it was looking for specific output, and the calls to
output_commit_title() were discarded from merge_ort_internal() in its
adaptation from merge_recursive_internal(); see 8119214f4e70
(merge-ort: implement merge_incore_recursive(), 2020-12-16).
* t6434: This test is built entirely around rename/delete conflicts,
which had a suboptimal handling under merge-recursive. As explained
in more detail in commits 1f3c9ba707 ("t6425: be more flexible with
rename/delete conflict messages", 2020-08-10) and 727c75b23f ("t6404,
t6423: expect improved rename/delete handling in ort backend",
2020-10-26), rename/delete conflicts should each have two entries in
the index rather than just one. Adjust the expectations for all the
tests in this testcase to see the two entries per rename/delete
conflict.
* t6424: merge-recursive had a special check-if-toplevel-trees-match
check that it ran at the beginning on both the merge-base and the
other side being merged in. In such a case, it exited early and
printed an "Already up to date." message. merge-ort got rid of
this, and instead checks the merge base tree matching the other
side throughout the tree instead of just at the toplevel, allowing
it to avoid recursing into various subtrees. As part of that, it
got rid of the specialty toplevel message. That message hasn't
been missed for years from `git merge`, so I don't think it is
necessary to keep it just for `git merge-recursive`, especially
since the latter is rarely used. (git itself only references it
in the testsuite, whereas it used to power one of the three
rebase backends that existed once upon a time.)
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Replace the use of merge_trees() from merge-recursive.[ch] with the
merge-ort equivalent.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Incrementally updating multi-pack index files.
* tb/incremental-midx-part-2:
midx: implement writing incremental MIDX bitmaps
pack-bitmap.c: use `ewah_or_iterator` for type bitmap iterators
pack-bitmap.c: keep track of each layer's type bitmaps
ewah: implement `struct ewah_or_iterator`
pack-bitmap.c: apply pseudo-merge commits with incremental MIDXs
pack-bitmap.c: compute disk-usage with incremental MIDXs
pack-bitmap.c: teach `rev-list --test-bitmap` about incremental MIDXs
pack-bitmap.c: support bitmap pack-reuse with incremental MIDXs
pack-bitmap.c: teach `show_objects_for_type()` about incremental MIDXs
pack-bitmap.c: teach `bitmap_for_commit()` about incremental MIDXs
pack-bitmap.c: open and store incremental bitmap layers
pack-revindex: prepare for incremental MIDX bitmaps
Documentation: describe incremental MIDX bitmaps
Documentation: remove a "future work" item from the MIDX docs
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Code clean-up.
* tb/refspec-fetch-cleanup:
refspec: replace `refspec_item_init()` with fetch/push variants
refspec: remove refspec_item_init_or_die()
refspec: replace `refspec_init()` with fetch/push variants
refspec: treat 'fetch' as a Boolean value
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When updating multiple references through stdin, Git's update-ref
command normally aborts the entire transaction if any single update
fails. This atomic behavior prevents partial updates. Introduce a new
batch update system, where the updates the performed together similar
but individual updates are allowed to fail.
Add a new `--batch-updates` flag that allows the transaction to continue
even when individual reference updates fail. This flag can only be used
in `--stdin` mode and builds upon the batch update support added to the
refs subsystem in the previous commits. When enabled, failed updates are
reported in the following format:
rejected SP (<old-oid> | <old-target>) SP (<new-oid> | <new-target>) SP <rejection-reason> LF
Update the documentation to reflect this change and also tests to cover
different scenarios where an update could be rejected.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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