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* git-repack uses --no-repack-object, not --no-repack-delta.Mikael Magnusson2008-09-19
| | | | Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Make usage strings dash-lessStephan Beyer2008-07-13
| | | | | | | | | | | | | | | When you misuse a git command, you are shown the usage string. But this is currently shown in the dashed form. So if you just copy what you see, it will not work, when the dashed form is no longer supported. This patch makes git commands show the dash-less version. For shell scripts that do not specify OPTIONS_SPEC, git-sh-setup.sh generates a dash-less usage string now. Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* repack.usedeltabaseoffset config option now defaults to "true"Nicolas Pitre2008-06-25
| | | | | | | | | | | | As announced for 1.6.0. Access over the native protocol by old git versions is unaffected as this capability is negociated by the protocol. Otherwise setting this config option to "false" and doing a 'git repack -a -d' is enough to remain compatible with ancient git versions (older than 1.4.4). Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Remove now unnecessary 'sync()' callsLinus Torvalds2008-05-31
| | | | | | | | | | Since the pack-files are now always created stably on disk, there is no need to sync() before pruning lose objects or old stale pack-files. [jc: with Nico's clean-up] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'bc/repack'Junio C Hamano2008-05-23
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | * bc/repack: Documentation/git-repack.txt: document new -A behaviour let pack-objects do the writing of unreachable objects as loose objects add a force_object_loose() function builtin-gc.c: deprecate --prune, it now really has no effect git-gc: always use -A when manually repacking repack: modify behavior of -A option to leave unreferenced objects unpacked Conflicts: builtin-pack-objects.c
| * let pack-objects do the writing of unreachable objects as loose objectsNicolas Pitre2008-05-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit ccc1297226b184c40459e9d373cc9eebfb7bd898 changed the behavior of 'git repack -A' so unreachable objects are stored as loose objects. However it did so in a naive and inn efficient way by making packs about to be deleted inaccessible and feeding their content through 'git unpack-objects'. While this works, there are major flaws with this approach: - It is unacceptably sloooooooooooooow. In the Linux kernel repository with no actual unreachable objects, doing 'git repack -A -d' before: real 2m33.220s user 2m21.675s sys 0m3.510s And with this change: real 0m36.849s user 0m24.365s sys 0m1.950s For reference, here's the timing for 'git repack -a -d': real 0m35.816s user 0m22.571s sys 0m2.011s This is explained by the fact that 'git unpack-objects' was used to unpack _every_ objects even if (almost) 100% of them were thrown away. - There is a black out period. Between the removal of the .idx file for the redundant pack and the completion of its unpacking, the unreachable objects become completely unaccessible. This is not a big issue as we're talking about unreachable objects, but some consistency is always good. - There is no way to easily set a sensible mtime for the newly created unreachable loose objects. So, while having a command called "pack-objects" to perform object unpacking looks really odd, this is probably the best compromize to be able to solve the above issues in an efficient way. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * repack: modify behavior of -A option to leave unreferenced objects unpackedBrandon Casey2008-05-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous behavior of the -A option was to retain any previously packed objects which had become unreferenced, and place them into the newly created pack file. Since git-gc, when run automatically with the --auto option, calls repack with the -A option, this had the effect of retaining unreferenced packed objects indefinitely. To avoid this scenario, the user was required to run git-gc with the little known --prune option or to manually run repack with the -a option. This patch changes the behavior of the -A option so that unreferenced objects that exist in any pack file being replaced, will be unpacked into the repository. The unreferenced loose objects can then be garbage collected by git-gc (i.e. git-prune) based on the gc.pruneExpire setting. Also add new tests for checking whether unreferenced objects which were previously packed are properly left in the repository unpacked after repacking. Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | git-repack: re-enable parsing of -n command line optionA Large Angry SCM2008-05-11
|/ | | | | | | | | | In commit 5715d0b (Migrate git-repack.sh to use git-rev-parse --parseopt, 2007-11-04), parsing of the '-n' command line option was accidentally lost when git-repack.sh was migrated to use git-rev-parse --parseopt. This adds it back. Signed-off-by: A Large Angry SCM <gitzilla@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Migrate git-repack.sh to use git-rev-parse --parseoptPierre Habouzit2007-11-05
| | | | Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Stop displaying "Pack pack-$ID created." during git-gcShawn O. Pearce2007-10-19
| | | | | | | | | | | Discussion on the list tonight came to the conclusion that showing the name of the packfile we just created during git-repack is not a very useful message for any end-user. For the really technical folk who need to have the name of the newest packfile they can use something such as `ls -t .git/objects/pack | head -2` to find the most recently created packfile. Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
* Merge branch 'jc/autogc'Junio C Hamano2007-10-03
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | * jc/autogc: git-gc --auto: run "repack -A -d -l" as necessary. git-gc --auto: restructure the way "repack" command line is built. git-gc --auto: protect ourselves from accumulated cruft git-gc --auto: add documentation. git-gc --auto: move threshold check to need_to_gc() function. repack -A -d: use --keep-unreachable when repacking pack-objects --keep-unreachable Export matches_pack_name() and fix its return value Invoke "git gc --auto" from commit, merge, am and rebase. Implement git gc --auto
| * repack -A -d: use --keep-unreachable when repackingJunio C Hamano2007-09-17
| | | | | | | | | | | | | | This is a safer variant of "repack -a -d" that does not drop unreachable objects that are in packs. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Supplant the "while case ... break ;; esac" idiomDavid Kastrup2007-09-23
|/ | | | | | | | | | | | | | | | | | | | | | A lot of shell scripts contained stuff starting with while case "$#" in 0) break ;; esac and similar. I consider breaking out of the condition instead of the body od the loop ugly, and the implied "true" value of the non-matching case is not really obvious to humans at first glance. It happens not to be obvious to some BSD shells, either, but that's because they are not POSIX-compliant. In most cases, this has been replaced by a straight condition using "test". "case" has the advantage of being faster than "test" on vintage shells where "test" is not a builtin. Since none of them is likely to run the git scripts, anyway, the added readability should be worth the change. A few loops have had their termination condition expressed differently. Signed-off-by: David Kastrup <dak@gnu.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Add --window-memory option to git-repackBrian Downing2007-07-12
| | | | | | Signed-off-by: Brian Downing <bdowning@lavos.net> Acked-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* repack: don't report "Nothing new to pack." if -q is givenUwe Kleine-König2007-07-04
| | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Rewrite "git-frotz" to "git frotz"Junio C Hamano2007-07-02
| | | | | | This uses the remove-dashes target to replace "git-frotz" to "git frotz". Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Ensure git-repack -a -d --max-pack-size=N deletes correct packsDana How2007-05-24
| | | | | | | | | | | The packfile portion of the "remove redundant" code near the bottom of git-repack.sh is broken when pack splitting occurs. Particularly since this is the only place where we automatically delete packfiles, make sure it works properly for all cases, old or new. Signed-off-by: Dana L. How <danahow@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack --max-pack-size: add option parsing to enable featureDana L. How2007-05-20
| | | | | | | | | | Add --max-pack-size parsing and usage messages. Upgrade git-repack.sh to handle multiple packfile names, and build packfiles in GIT_OBJECT_DIRECTORY not GIT_DIR. Update documentation. Signed-off-by: Dana L. How <danahow@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* make "repack -f" imply "pack-objects --no-reuse-object"Nicolas Pitre2007-05-10
| | | | | | | | | Recomputing delta is much more expensive than recompressing anyway, and when the user says 'repack -f', it is a sign that the user is willing to spend CPU cycles. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* [PATCH] Rename git-repo-config to git-config.Tom Prince2007-01-28
| | | | | Signed-off-by: Tom Prince <tom.prince@ualberta.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make git-prune-packed a bit more chatty.Junio C Hamano2007-01-12
| | | | | | | | | Steven Grimm noticed that git-repack's verbosity is inconsistent because pack-objects is chatty and prune-packed is not. This makes the latter a bit more chatty and gives -q option to squelch it. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Teach git-repack to preserve objects referred to by reflog entries.Junio C Hamano2006-12-20
| | | | | | | | | | | | This adds a new option --reflog to pack-objects and revision machinery; do not bother documenting it for now, since this is only useful for local repacking. When the option is passed, objects reachable from reflog entries are marked as interesting while computing the set of objects to pack. Signed-off-by: Junio C Hamano <junkio@cox.net>
* repacked packs should be read-onlyNicolas Pitre2006-12-13
| | | | | | | ... just like the other pack creating tools do. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Only repack active packs by skipping over kept packs.Shawn Pearce2006-10-29
| | | | | | | | | | | | | | | | | | | | During `git repack -a -d` only repack objects which are loose or which reside in an active (a non-kept) pack. This allows the user to keep large packs as-is without continuous repacking and can be very helpful on large repositories. It should also help us resolve a race condition between `git repack -a -d` and the new pack store functionality in `git-receive-pack`. Kept packs are those which have a corresponding .keep file in $GIT_OBJECT_DIRECTORY/pack. That is pack-X.pack will be kept (not repacked and not deleted) if pack-X.keep exists in the same directory when `git repack -a -d` starts. Currently this feature is not documented and there is no user interface to keep an existing pack. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Merge branch 'np/pack'Junio C Hamano2006-10-22
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * np/pack: add the capability for index-pack to read from a stream index-pack: compare only the first 20-bytes of the key. git-repack: repo.usedeltabaseoffset pack-objects: document --delta-base-offset option allow delta data reuse even if base object is a preferred base zap a debug remnant let the GIT native protocol use offsets to delta base when possible make pack data reuse compatible with both delta types make git-pack-objects able to create deltas with offset to base teach git-index-pack about deltas with offset to base teach git-unpack-objects about deltas with offset to base introduce delta objects with offset to base
| * git-repack: repo.usedeltabaseoffsetJunio C Hamano2006-10-13
| | | | | | | | | | | | | | | | | | | | | | | | | | When configuration variable `repack.UseDeltaBaseOffset` is set for the repository, the command passes `--delta-base-offset` option to `git-pack-objects`; this typically results in slightly smaller packs, but the generated packs are incompatible with versions of git older than (and including) v1.4.3. We will make it default to true sometime in the future, but not for a while. Signed-off-by: Junio C Hamano <junkio@cox.net>
* | git-repack: allow git-repack to run in subdirectoryJeff King2006-09-24
| | | | | | | | | | | | | | | | Now that we explicitly create all tmpfiles below $GIT_DIR, there's no reason to care about which directory we're in. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
* | repack: use only pack-objects, not rev-list.Junio C Hamano2006-09-20
|/ | | | Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: create new packs inside $GIT_DIR, not cwdMartin Langhoff2006-09-06
| | | | | | | | | | | | | Avoid failing when cwd is !writable by writing the packfiles in $GIT_DIR, which is more in line with other commands. Without this, git-repack was failing when run from crontab by non-root user accounts. For large repositories, this also makes the mv operation a lot cheaper, and avoids leaving temp packfiles around the fs upon failure. Signed-off-by: Martin Langhoff <martin@catalyst.net.nz> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Check if pack directory exists prior to descending into itMatthias Kestenholz2006-08-29
| | | | | | | | | | | | This fixes the following warning: git-repack: line 42: cd: .git/objects/pack: No such file or directory This happens only, when git-repack -a is run without any packs in the repository. Signed-off-by: Matthias Kestenholz <matthias@spinlock.ch> Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: avoid redirecting stderr into git-pack-objectsJunio C Hamano2006-07-12
| | | | | | | | | | | We are trying to catch error condition of git-rev-list and cause the downstream pack-objects to barf, but if you run rev-list with anything that mucks with its stderr (such as GIT_TRACE), any stderr output would cause the pipeline to fail. [jc: originally from Matthias Lederhofer, with a reworded error message.] Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: Be careful when updating the same pack as an existing one.Junio C Hamano2006-06-25
| | | | | | | | | | | | | | | After a clone, packfiles are read-only by default and "mv" to replace the pack with a new one goes interactive, asking if the user wants to replace it. If one is successfully moved and the other is not, the pack and its idx would become out-of-sync and corrupts the repository. Recovering is straightforward -- it is just the matter of finding the remaining .tmp-pack-* and make sure they are both moved -- but we should be extra careful not to do something so alarming to the users. Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack -- respect -q and be quietMartin Langhoff2006-06-24
| | | | | | | git-repack was passing the -q along to pack-objects but ignoring it itself. Correct the oversight. Signed-off-by: Martin Langhoff <martin@catalyst.net.nz> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Merge branch 'fix'Junio C Hamano2006-05-07
|\ | | | | | | | | | | | | | | | | * fix: repack: honor -d even when no new pack was created clone: keep --reference even with -l -s repo-config: document what value_regexp does a bit more clearly. Release config lock if the regex is invalid core-tutorial.txt: escape asterisk
| * repack: honor -d even when no new pack was createdMartin Waitz2006-05-07
| | | | | | | | | | | | | | | | If all objects are reachable via an alternate object store then we still have to remove all obsolete local packs. Signed-off-by: Martin Waitz <tali@admingilde.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* | Allow "git repack" users to specify repacking window/depthLinus Torvalds2006-04-19
|/ | | | | | | | | | .. but don't even bother documenting it. I don't think any normal person is supposed to ever really care, but it simplifies testing when you want to use the "git repack" wrapper rather than forcing you to use the core programs (which already do support the window/depth arguments, of course). Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* fix repacking with lots of tagsJim Radford2006-04-02
| | | | | | | | Use git-rev-list's --all instead of git-rev-parse's to keep from hitting the shell's argument list length limits when repacking with lots of tags. Signed-off-by: Junio C Hamano <junkio@cox.net>
* repack: prune loose objects when -d is givenJunio C Hamano2006-03-10
| | | | | | | [jc: the request originally came from Martin Atukunda, which was improved further by Alex Riesen] Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: allow passing a couple of flags to pack-objects.Junio C Hamano2006-02-17
| | | | | | | A new flag -q makes underlying pack-objects less chatty. A new flag -f forces delta to be recomputed from scratch. Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: Usage string clean-up, emit usage at incorrect invocationfreku045@student.liu.se2005-12-14
| | | | | Signed-off-by: Fredrik Kuivinen <freku045@student.liu.se> Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-sh-setup: die if outside git repository.Junio C Hamano2005-11-25
| | | | | | | | Now all the users of this script detect its exit status and die, complaining that it is outside git repository. So move the code that dies from all callers to git-sh-setup script. Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: Properly abort in corrupt repositoryLinus Torvalds2005-11-21
| | | | | | | | | | | In a corrupt repository, git-repack produces a pack that does not contain needed objects without complaining, and the result of this combined with -d flag can be very painful -- e.g. a lossage of one tree object can lead to lossage of blobs reachable only through that tree. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: do not do complex redundancy check.Junio C Hamano2005-11-19
| | | | | | | | With "-a", redundant pack removal is trivial, and otherwise redundant pack removal is pointless; do not call git-redundant-pack from this script. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Remove all old packfiles when doing "git repack -a -d"Lukas Sandström2005-11-18
| | | | | | | | No point in running git-pack-redundant if we already know which packs are redundant. Signed-off-by: Lukas Sandström <lukass@etek.chalmers.se> Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-repack: Fix variable nameRalf Baechle2005-11-17
| | | | | | | Three times remove_redandant -> remove_redundant. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make git-pack-redundant consider alt-odbsLukas_Sandström2005-11-11
| | | | | | | | | | | | | | This patch changes git-pack-redundant so that packfiles in alternate object directories also are considered when deciding which objects are redundant. This functionality is controlled by the flag '--alt-odb'. Also convert the other flags to the long form, and update docs and git-repack accordingly. Signed-off-by: Lukas Sandström <lukass@etek.chalmers.se> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Rename git-pack-intersect to git-pack-redundantLukas_Sandström2005-11-11
| | | | | | | | | | | This patch renames git-pack-intersect to git-pack-redundant as suggested by Petr Baudis. The new name reflects what the program does, rather than how it does it. Also fix a small argument parsing bug. Signed-off-by: Lukas Sandström <lukass@etek.chalmers.se> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make git-repack use git-pack-intersect.Lukas_Sandström2005-11-11
| | | | | Signed-off-by: Lukas Sandström <lukass@etek.chalmers.se> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Be marginally more careful about removing objectsLinus Torvalds2005-10-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | The git philosophy when it comes to disk accesses is "Laugh in the face of danger". Notably, since we never modify an existing object, we don't really care that deeply about flushing things to disk, since even if the machine crashes in the middle of a git operation, you can never really have lost any old work. At most, you'd need to figure out the proper heads (which git-fsck-objects can do for you) and re-do the operation. However, there's two exceptions to this: pruning and repacking. Those operations will actually _delete_ old objects that they know about in other ways (ie that they just repacked, or that they have found in other places). However, since they actually modify old state, we should thus be a bit more careful about them. If the machine crashes and the duplicate new objects haven't been flushed to disk, you can actually be in trouble. This is trivially stupid about it by calling "sync" before removing the objects. Not very smart, but we're talking about special operations than are usually done once a week if that. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Add "-l" flag for repacking only local packsLinus Torvalds2005-10-13
| | | | | | | | | | | | | This uses the new "--local" flag to git-pack-objects. It currently only makes a difference together with "-a", since a normal incremental repack won't pack any packed objects at all (whether local or remote). Eventually, it might end up skipping any objects that aren't local to the current object directory, but for now it only knows to skip packed objects. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
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