| Age | Commit message (Collapse) | Author |
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In add_pack(), we allocate l.remaining_objects with llist_init() before
calling open_pack_index(). If open_pack_index() fails we return NULL
without freeing the allocated list, leaking the memory.
Fix by calling llist_free(l.remaining_objects) on the error path before
returning.
Signed-off-by: Sahitya Chandra <sahityajb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Two slightly different ways to get at "all the packfiles" in API
has been cleaned up.
* ps/remove-packfile-store-get-packs:
packfile: rename `packfile_store_get_all_packs()`
packfile: introduce macro to iterate through packs
packfile: drop `packfile_store_get_packs()`
builtin/grep: simplify how we preload packs
builtin/gc: convert to use `packfile_store_get_all_packs()`
object-name: convert to use `packfile_store_get_all_packs()`
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We have a bunch of different sites that want to iterate through all
packs of a given `struct packfile_store`. This pattern is somewhat
verbose and repetitive, which makes it somewhat cumbersome.
Introduce a new macro `repo_for_each_pack()` that removes some of the
boilerplate.
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 the in-core list of all the pack files and
object database(s).
* ps/packfile-store:
packfile: refactor `get_packed_git_mru()` to work on packfile store
packfile: refactor `get_all_packs()` to work on packfile store
packfile: refactor `get_packed_git()` to work on packfile store
packfile: move `get_multi_pack_index()` into "midx.c"
packfile: introduce function to load and add packfiles
packfile: refactor `install_packed_git()` to work on packfile store
packfile: split up responsibilities of `reprepare_packed_git()`
packfile: refactor `prepare_packed_git()` to work on packfile store
packfile: reorder functions to avoid function declaration
odb: move kept cache into `struct packfile_store`
odb: move MRU list of packfiles into `struct packfile_store`
odb: move packfile map into `struct packfile_store`
odb: move initialization bit into `struct packfile_store`
odb: move list of packfiles into `struct packfile_store`
packfile: introduce a new `struct packfile_store`
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The `get_all_packs()` function prepares the packfile store and then
returns its packfiles. Refactor it to accept a packfile store instead of
a repository to clarify its scope.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There have been quite a few `--i-still-use-this` user reports since Git
2.51.0 was released.[1][2] And it doesn’t seem like they are reading
the man page about the git-log(1) equivalent.
Tell them what options to plug into git-log(1), either as a replacement
command or as an alias.[3] That template produces almost the same
output[4] and is arguably a plug-in replacement. Concretely, add
an optional `hint` argument so that we can use it right after the
initial error line.
Also mention the same concrete options in the documentation while we’re
at it.
[1]: E.g.,
• https://lore.kernel.org/git/e1a69dea-bcb6-45fc-83d3-9e50d32c410b@5y5.one/
• https://lore.kernel.org/git/1011073f-9930-4360-a42f-71eb7421fe3f@chrispalmer.uk/#t
• https://lore.kernel.org/git/9fcbfcc4-79f9-421f-b9a4-dc455f7db485@acm.org/#t
• https://lore.kernel.org/git/83241BDE-1E0D-489A-9181-C608E9FCC17B@gmail.com/
[2]: The error message on 2.51.0 does tell them to report it, unconditionally
[3]: We allow aliasing deprecated builtins now for people who are very
used to the command name or just like it a lot
[4]: You only get different outputs if you happen to have empty
commits (no changes)[4]
[5]: https://lore.kernel.org/git/20250825085428.GA367101@coredump.intra.peff.net/
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
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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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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"git whatchanged" that is longer to type than "git log --raw"
which is its modern rough equivalent has outlived its usefulness
more than 10 years ago. Plan to deprecate and remove it.
* jc/you-still-use-whatchanged:
whatschanged: list it in BreakingChanges document
whatchanged: remove when built with WITH_BREAKING_CHANGES
whatchanged: require --i-still-use-this
tests: prepare for a world without whatchanged
doc: prepare for a world without whatchanged
you-still-use-that??: help deprecating commands for removal
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Commands slated for removal like "git pack-redundant" now require
an explicit "--i-still-use-this" option to run. This is to
discourage casual use and surface their pending deprecation to
users.
The warning message is long, so factor it into a helper function
you_still_use_that() to simplify reuse by other commands.
Also add a missing test to ensure this enforcement works for
"pack-redundant".
Helped-by: Elijah Newren <newren@gmail.com>
[en: log message]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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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Using the show_usage_and_exit_if_asked() helper we introduced
earlier, fix callers of usage() 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.
These are the bog standard "if we got only '-h', then that is a
request for help" callers. Their
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(message);
are simply replaced with
show_usage_and_exit_if_asked(argc, argv, message);
With this, the built-ins tested by t0012 all send their help text to
their standard output stream, so the check in t0012 that was half
tightened earlier is now fully tightened to insist on standard error
stream being empty.
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Start working to make the codebase buildable with -Wsign-compare.
* ps/build-sign-compare:
t/helper: don't depend on implicit wraparound
scalar: address -Wsign-compare warnings
builtin/patch-id: fix type of `get_one_patchid()`
builtin/blame: fix type of `length` variable when emitting object ID
gpg-interface: address -Wsign-comparison warnings
daemon: fix type of `max_connections`
daemon: fix loops that have mismatching integer types
global: trivial conversions to fix `-Wsign-compare` warnings
pkt-line: fix -Wsign-compare warning on 32 bit platform
csum-file: fix -Wsign-compare warning on 32-bit platform
diff.h: fix index used to loop through unsigned integer
config.mak.dev: drop `-Wno-sign-compare`
global: mark code units that generate warnings with `-Wsign-compare`
compat/win32: fix -Wsign-compare warning in "wWinMain()"
compat/regex: explicitly ignore "-Wsign-compare" warnings
git-compat-util: introduce macros to disable "-Wsign-compare" warnings
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We have a bunch of loops which iterate up to an unsigned boundary using
a signed index, which generates warnigs because we compare a signed and
unsigned value in the loop condition. Address these sites for trivial
cases and enable `-Wsign-compare` warnings for these code units.
This patch only adapts those code units where we can drop the
`DISABLE_SIGN_COMPARE_WARNINGS` macro in the same step.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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 function `odb_pack_name` currently relies on the global variable
`the_repository`. To eliminate global variable usage in `packfile.c`, we
should progressively shift the dependency on the_repository to higher
layers.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Like sha1_pack_name() that we dropped in the previous commit, this
function uses an error-prone static strbuf and the somewhat misleading
name "sha1".
The only caller left is in pack-redundant.c. While this command is
marked for potential removal in our BreakingChanges document, we still
have it for now. But it's simple enough to convert it to use its own
strbuf with the underlying odb_pack_name() function, letting us drop the
otherwise obsolete function.
Note that odb_pack_name() does its own strbuf_reset(), so it's safe to
use directly within a loop like this.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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There are various different memory leaks in git-pack-redundant(1),
mostly caused by not even trying to free allocated memory. Fix them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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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Both `oidread()` and `oidclr()` use `the_repository` to derive the hash
function that shall be used. Require callers to pass in the hash
algorithm to get rid of this implicit dependency.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many of our hash functions have two variants, one receiving a `struct
git_hash_algo` and one that derives it via `the_repository`. Adapt all
of those functions to always require the hash algorithm as input and
drop the variants that do not accept one.
As those functions are now independent of `the_repository`, we can move
them from "hash.h" to "hash-ll.h".
Note that both in this and subsequent commits in this series we always
just pass `the_repository->hash_algo` as input even if it is obvious
that there is a repository in the context that we should be using the
hash from instead. This is done to be on the safe side and not introduce
any regressions. All callsites should eventually be amended to use a
repo passed via parameters, but this is outside the scope of this patch
series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The vast majority of files including object-store.h did not need dir.h
nor khash.h. Split the header into two files, and let most just depend
upon object-store-ll.h, while letting the two callers that need it
depend on the full object-store.h.
After this patch:
$ git grep -h include..object-store | sort | uniq -c
2 #include "object-store.h"
129 #include "object-store-ll.h"
Diff best viewed with `--color-moved`.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Split key function and data structure definitions out of cache.h to
new header files and adjust the users.
* en/header-split-cleanup:
csum-file.h: remove unnecessary inclusion of cache.h
write-or-die.h: move declarations for write-or-die.c functions from cache.h
treewide: remove cache.h inclusion due to setup.h changes
setup.h: move declarations for setup.c functions from cache.h
treewide: remove cache.h inclusion due to environment.h changes
environment.h: move declarations for environment.c functions from cache.h
treewide: remove unnecessary includes of cache.h
wrapper.h: move declarations for wrapper.c functions from cache.h
path.h: move function declarations for path.c functions from cache.h
cache.h: remove expand_user_path()
abspath.h: move absolute path functions from cache.h
environment: move comment_line_char from cache.h
treewide: remove unnecessary cache.h inclusion from several sources
treewide: remove unnecessary inclusion of gettext.h
treewide: be explicit about dependence on gettext.h
treewide: remove unnecessary cache.h inclusion from a few headers
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Code clean-up for "-Wunused-parameter" build.
* jk/unused-post-2.40-part2:
parse-options: drop parse_opt_unknown_cb()
t/helper: mark unused argv/argc arguments
mark "argv" as unused when we check argc
builtins: mark unused prefix parameters
builtins: annotate always-empty prefix parameters
builtins: always pass prefix to parse_options()
fast-import: fix file access when run from subdir
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"git pack-redundant" gave a warning when run, as the command has
outlived its usefulness long ago and is nominated for future
removal. Now we escalate to give an error.
* jk/really-deprecate-pack-redundant:
pack-redundant: escalate deprecation warning to an error
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All builtins receive a "prefix" parameter, but it is only useful if they
need to adjust filenames given by the user on the command line. For
builtins that do not even call parse_options(), they often don't look at
the prefix at all, and -Wunused-parameter complains.
Let's annotate those to silence the compiler warning. I gave a quick
scan of each of these cases, and it seems like they don't have anything
they _should_ be using the prefix for (i.e., there is no hidden bug that
we are missing). The only questionable cases I saw were:
- in git-unpack-file, we create a tempfile which will always be at the
root of the repository, even if the command is run from a subdir.
Arguably this should be created in the subdir from which we're run
(as we report the path only as a relative name). However, nobody has
complained, and I'm hesitant to change something that is deep
plumbing going back to April 2005 (though I think within our
scripts, the sole caller in git-merge-one-file would be OK, as it
moves to the toplevel itself).
- in fetch-pack, local-filesystem remotes are taken as relative to the
project root, not the current directory. So:
git init server.git
[...put stuff in server.git...]
git init client.git
cd client.git
mkdir subdir
cd subdir
git fetch-pack ../../server.git ...
won't work, as we quietly move to the top of the repository before
interpreting the path (so "../server.git" would work). This is
weird, but again, nobody has complained and this is how it has
always worked. And this is how "git fetch" works, too. Plus it
raises questions about how a configured remote like:
git config remote.origin.url ../server.git
should behave. I can certainly come up with a reasonable set of
behavior, but it may not be worth stirring up complications in a
plumbing tool.
So I've left the behavior untouched in both of those cases. If anybody
really wants to revisit them, it's easy enough to drop the UNUSED
marker. This commit is just about removing them as obstacles to turning
on -Wunused-parameter all the time.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In c3b58472be2 (pack-redundant: gauge the usage before proposing its
removal, 2020-08-25), we added a big, ugly warning when pack-redundant
is run. The plan there indicated that we would ratchet that up to an
error before finally removing it. Since it has been 2.5 years (and 9
releases) since then, let's continue with the plan.
Note that we did get one bite on the warning, which was somebody asking
about alternatives:
https://lore.kernel.org/git/CAKvOHKAFXQwt4D8yUCCkf_TQL79mYaJ=KAKhtpDNTvHJFuX1NA@mail.gmail.com/
but we didn't undo the ugly warning (and the advice continues to be "use
repack -d" instead).
There was also some discussion around the time of the deprecation that
pack-redundant was invoked by the bitbake tool, and it still seems to do
so now:
https://git.openembedded.org/bitbake
That use should probably just go away in favor of an occasional repack
(which probably even happens via auto-gc after fetch these days).
But since neither of those data points caused us to cancel the
deprecation plan by dropping the warning, it seems like we should
proceed with the next step.
Signed-off-by: Jeff King <peff@peff.net>
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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Fix various inconsistencies between command SYNOPSIS and the
corresponding -h output where our translatable labels didn't match
up.
In some cases we need to adjust the prose that follows the SYNOPSIS
accordingly, as it refers back to the changed label.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that we need our instances of struct object_id to be zero padded, we
can no longer cast unsigned char buffers to be pointers to struct
object_id. This file reads data out of the pack objects and then
inserts it directly into a linked list item which is a pointer to struct
object_id. Instead, let's have the linked list item hold its own struct
object_id and copy the data into it.
In addition, since these are not really pointers to struct object_id,
stop passing them around as such, and call them what they really are:
pointers to unsigned char.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add and apply a semantic patch for converting code that open-codes
CALLOC_ARRAY to use it instead. It shortens the code and infers the
element size automatically.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Warn loudly when the "pack-redundant" command, which has been left
stale with almost unusable performance issues, gets used, as we no
longer want to recommend its use (instead just "repack -d" instead).
* jc/deprecate-pack-redundant:
pack-redundant: gauge the usage before proposing its removal
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"git pack-redandant" when there is only one packfile used to crash,
which has been corrected.
* jx/pack-redundant-on-single-pack:
pack-redundant: fix crash when one packfile in repo
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Command `git pack-redundant --all` will crash if there is only one
packfile in the repository. This is because, if there is only one
packfile in local_packs, `cmp_local_packs` will do nothing and will
leave `pl->unique_objects` as uninitialized.
Also add testcases for repository with no packfile and one packfile
in t5323.
Reported-by: Daniel C. Klauer <daniel.c.klauer@web.de>
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The subcommand is unusably slow and the reason why nobody reports it
as a performance bug is suspected to be the absense of users. Let's
show a big message that asks the user to tell us that they still
care about the command when an attempt is made to run the command,
with an escape hatch to override it with a command line option.
In a few releases, we may turn it into an error and keep it for a
few more releases before finally removing it (during the whole time,
the plan to remove it would be interrupted by end user raising hand).
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We sometimes store the offset into a pack .idx file as an "unsigned
long", but the mmap'd size of a pack .idx file can exceed 4GB. This is
sufficient on LP64 systems like Linux, but will be too small on LLP64
systems like Windows, where "unsigned long" is still only 32 bits. Let's
use size_t, which is a better type for an offset into a memory buffer.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This member is used to represent the pack checksum of the pack in
question. Expand this member to be GIT_MAX_RAWSZ bytes in length so it
works with longer hashes and rename it to be "hash" instead of "sha1".
This transformation was made with a change to the definition and the
following semantic patch:
@@
struct packed_git *E1;
@@
- E1->sha1
+ E1->hash
@@
struct packed_git E1;
@@
- E1.sha1
+ E1.hash
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update the implementation of pack-redundant for performance in a
repository with many packfiles.
* sc/pack-redundant:
pack-redundant: consistent sort method
pack-redundant: rename pack_list.all_objects
pack-redundant: new algorithm to find min packs
pack-redundant: delete redundant code
pack-redundant: delay creation of unique_objects
t5323: test cases for git-pack-redundant
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SZEDER reported that test case t5323 has different test result on MacOS.
This is because `cmp_pack_list_reverse` cannot give identical result
when two pack being sorted has the same size of remaining_objects.
Changes to the sorting function will make consistent test result for
t5323.
The new algorithm to find redundant packs is a trade-off to save memory
resources, and the result of it may be different with old one, and may
be not the best result sometimes. Update t5323 for the new algorithm.
Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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New algorithm uses `pack_list.all_objects` to track remaining objects,
so rename it to `pack_list.remaining_objects`.
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When calling `git pack-redundant --all`, if there are too many local
packs and too many redundant objects within them, the too deep iteration
of `get_permutations` will exhaust all the resources, and the process of
`git pack-redundant` will be killed.
The following script could create a repository with too many redundant
packs, and running `git pack-redundant --all` in the `test.git` repo
will die soon.
#!/bin/sh
repo="$(pwd)/test.git"
work="$(pwd)/test"
i=1
max=199
if test -d "$repo" || test -d "$work"; then
echo >&2 "ERROR: '$repo' or '$work' already exist"
exit 1
fi
git init -q --bare "$repo"
git --git-dir="$repo" config gc.auto 0
git --git-dir="$repo" config transfer.unpackLimit 0
git clone -q "$repo" "$work" 2>/dev/null
while :; do
cd "$work"
echo "loop $i: $(date +%s)" >$i
git add $i
git commit -q -sm "loop $i"
git push -q origin HEAD:master
printf "\rCreate pack %4d/%d\t" $i $max
if test $i -ge $max; then break; fi
cd "$repo"
git repack -q
if test $(($i % 2)) -eq 0; then
git repack -aq
pack=$(ls -t $repo/objects/pack/*.pack | head -1)
touch "${pack%.pack}.keep"
fi
i=$((i+1))
done
printf "\ndone\n"
To get the `min` unique pack list, we can replace the iteration in
`minimize` function with a new algorithm, and this could solve this
issue:
1. Get the unique and non_uniqe packs, add the unique packs to the
`min` list.
2. Remove the objects of unique packs from non_unique packs, then each
object left in the non_unique packs will have at least two copies.
3. Sort the non_unique packs by the objects' size, more objects first,
and add the first non_unique pack to `min` list.
4. Drop the duplicated objects from other packs in the ordered
non_unique pack list, and repeat step 3.
Some test cases will fail on Mac OS X. Mark them and will resolve in
later commit.
Original PR and discussions: https://github.com/jiangxin/git/pull/25
Signed-off-by: Sun Chao <sunchao9@huawei.com>
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The objects in alt-odb are removed from `all_objects` twice in `load_all_objects`
and `scan_alt_odb_packs`, remove it from the later function.
Signed-off-by: Sun Chao <sunchao9@huawei.com>
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of initializing unique_objects in `add_pack()`, copy from
all_objects in `cmp_two_packs()`, when unwanted objects are removed from
all_objects.
This will save memory (no allocate memory for alt-odb packs), and run
`llist_sorted_difference_inplace()` only once when removing ignored
objects and removing objects in alt-odb in `scan_alt_odb_packs()`.
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Shahzad Lone <shahzadlone@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are many places in the codebase that want to iterate over
all packfiles known to Git. The purposes are wide-ranging, and
those that can take advantage of the multi-pack-index already
do. So, use get_all_packs() instead of get_packed_git() to be
sure we are iterating over all packfiles.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert struct llist_item and the rest of the linked list code to use
struct object_id. Add a use of GIT_MAX_HEXSZ to avoid a dependency on a
hard-coded constant.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of using hard-coded instances of the constant 20, use
the_hash_algo to look up the correct constant.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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