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a831c06a2b
git-commit-vandalism/builtin
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David Turner a831c06a2b gc: ignore old gc.log files 
A server can end up in a state where there are lots of unreferenced
loose objects (say, because many users are doing a bunch of rebasing
and pushing their rebased branches).  Running "git gc --auto" in
this state would cause a gc.log file to be created, preventing
future auto gcs, causing pack files to pile up.  Since many git
operations are O(n) in the number of pack files, this would lead to
poor performance.

Git should never get itself into a state where it refuses to do any
maintenance, just because at some point some piece of the maintenance
didn't make progress.

Teach Git to ignore gc.log files which are older than (by default)
one day old, which can be tweaked via the gc.logExpiry configuration
variable.  That way, these pack files will get cleaned up, if
necessary, at least once per day.  And operators who find a need for
more-frequent gcs can adjust gc.logExpiry to meet their needs.

There is also some cleanup: a successful manual gc, or a
warning-free auto gc with an old log file, will remove any old
gc.log files.

It might still happen that manual intervention is required
(e.g. because the repo is corrupt), but at the very least it won't
be because Git is too dumb to try again.

Signed-off-by: David Turner <dturner@twosigma.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-13 15:19:11 -08:00
..
add.c add: modify already added files when --chmod is given 2016-09-15 12:13:54 -07:00
am.c am: change safe_to_abort()'s not rewinding error into a warning 2016-12-08 09:09:44 -08:00
annotate.c
apply.c Convert read_mmblob to take struct object_id. 2016-09-07 12:59:42 -07:00
archive.c archive: read local configuration 2016-11-22 13:55:20 -08:00
bisect--helper.c
blame.c Merge branch 'jk/blame-fixes' into maint 2017-01-31 13:32:07 -08:00
branch.c Merge branch 'jk/create-branch-remove-unused-param' into maint 2016-11-29 13:28:02 -08:00
bundle.c
cat-file.c Merge branch 'jk/pack-objects-optim-mru' 2016-10-10 14:03:47 -07:00
check-attr.c give "nbuf" strbuf a more meaningful name 2016-02-01 13:43:02 -08:00
check-ignore.c give "nbuf" strbuf a more meaningful name 2016-02-01 13:43:02 -08:00
check-mailmap.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
check-ref-format.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
checkout-index.c introduce CHECKOUT_INIT 2016-09-22 13:42:18 -07:00
checkout.c Merge branch 'jk/create-branch-remove-unused-param' into maint 2016-11-29 13:28:02 -08:00
clean.c Merge branch 'jk/tighten-alloc' 2016-02-26 13:37:16 -08:00
clone.c Merge branch 'jk/clone-copy-alternates-fix' into maint 2016-10-28 09:01:14 -07:00
column.c column: read lines with strbuf_getline() 2016-01-15 10:35:07 -08:00
commit-tree.c builtin/commit-tree: convert to struct object_id 2016-09-07 12:59:43 -07:00
commit.c Merge branch 'ak/commit-only-allow-empty' into maint 2017-01-17 15:11:03 -08:00
config.c i18n: config: mark error message for translation 2016-09-15 13:17:32 -07:00
count-objects.c alternates: use fspathcmp to detect duplicates 2016-10-10 13:52:37 -07:00
credential.c
describe.c use QSORT 2016-09-29 15:42:18 -07:00
diff-files.c diff: run arguments through precompose_argv 2016-05-13 14:35:49 -07:00
diff-index.c diff: run arguments through precompose_argv 2016-05-13 14:35:49 -07:00
diff-tree.c Merge branch 'ar/diff-args-osx-precompose' into maint 2016-06-06 14:27:35 -07:00
diff.c Merge branch 'jk/setup-sequence-update' 2016-09-21 15:15:24 -07:00
fast-export.c use QSORT 2016-09-29 15:42:18 -07:00
fetch-pack.c Merge branch 'nd/shallow-deepen' 2016-10-10 14:03:50 -07:00
fetch.c Merge branch 'jt/fetch-no-redundant-tag-fetch-map' into maint 2017-01-17 15:19:09 -08:00
fmt-merge-msg.c remove unnecessary check before QSORT 2016-09-29 15:42:18 -07:00
for-each-ref.c ref-filter: add option to match literal pattern 2015-09-17 10:02:49 -07:00
fsck.c alternates: use a separate scratch space 2016-10-10 13:52:36 -07:00
gc.c gc: ignore old gc.log files 2017-02-13 15:19:11 -08:00
get-tar-commit-id.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
grep.c cache: convert struct cache_entry to use struct object_id 2016-09-07 12:59:42 -07:00
hash-object.c hash-object: always try to set up the git repository 2016-09-13 15:45:45 -07:00
help.c Merge branch 'js/no-html-bypass-on-windows' into maint 2016-09-08 21:35:55 -07:00
index-pack.c index-pack: skip collision check when not in repository 2016-12-16 13:57:19 -08:00
init-db.c Merge branch 'nd/init-core-worktree-in-multi-worktree-world' 2016-10-03 13:30:35 -07:00
interpret-trailers.c Merge branch 'jk/parseopt-string-list' into jk/string-list-static-init 2016-06-13 10:37:48 -07:00
log.c Merge branch 'jt/format-patch-rfc' 2016-09-26 16:09:17 -07:00
ls-files.c Merge branch 'bw/ls-files-recurse-submodules' 2016-10-26 13:14:44 -07:00
ls-remote.c ls-remote: add support for showing symrefs 2016-01-19 10:07:56 -08:00
ls-tree.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
mailinfo.c mailinfo: read local configuration 2016-11-22 13:13:16 -08:00
mailsplit.c mailsplit: support unescaping mboxrd messages 2016-06-06 11:14:43 -07:00
merge-base.c merge-base: handle --fork-point without reflog 2016-10-12 14:30:16 -07:00
merge-file.c builtin/merge-file.c: use error_errno() 2016-05-09 12:29:08 -07:00
merge-index.c cache: convert struct cache_entry to use struct object_id 2016-09-07 12:59:42 -07:00
merge-ours.c
merge-recursive.c i18n: merge-recursive: mark verbose message for translation 2016-09-15 13:17:32 -07:00
merge-tree.c struct name_entry: use struct object_id instead of unsigned char sha1[20] 2016-04-25 14:23:42 -07:00
merge.c find_unique_abbrev: use 4-buffer ring 2016-10-26 13:30:51 -07:00
mktag.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
mktree.c use QSORT 2016-09-29 15:42:18 -07:00
mv.c Merge branch 'rs/copy-array' into maint 2016-10-11 14:18:32 -07:00
name-rev.c use QSORT 2016-09-29 15:42:18 -07:00
notes.c notes: spell first word of error messages in lowercase 2016-09-15 13:17:32 -07:00
pack-objects.c compression: unify pack.compression configuration parsing 2016-11-15 21:16:22 -08:00
pack-redundant.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
pack-refs.c
patch-id.c Merge branch 'rs/patch-id-use-skip-prefix' 2016-06-03 14:38:03 -07:00
prune-packed.c
prune.c Merge branch 'jk/repository-extension' into maint 2015-11-03 15:32:25 -08:00
pull.c Merge branch 'jc/pull-rebase-ff' into maint 2017-01-17 15:11:05 -08:00
push.c Merge branch 'jc/push-default-explicit' into maint 2017-01-17 15:11:07 -08:00
read-tree.c cache: convert struct cache_entry to use struct object_id 2016-09-07 12:59:42 -07:00
receive-pack.c Merge branch 'ls/filter-process' 2016-10-31 13:15:21 -07:00
reflog.c struct name_entry: use struct object_id instead of unsigned char sha1[20] 2016-04-25 14:23:42 -07:00
remote-ext.c pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -07:00
remote-fd.c
remote.c use QSORT 2016-09-29 15:42:18 -07:00
repack.c repack: die on incremental + write-bitmap-index 2016-12-29 13:45:37 -08:00
replace.c Merge branch 'js/replace-edit-use-editor-configuration' into maint 2016-05-06 14:53:24 -07:00
rerere.c Sync with 2.6.1 2015-10-05 13:20:08 -07:00
reset.c Merge branch 'js/reset-usage' into maint 2016-10-28 09:01:22 -07:00
rev-list.c rev-list: use hdr_termination instead of a always using a newline 2016-10-20 14:44:37 -07:00
rev-parse.c Merge branch 'jk/rev-parse-symbolic-parents-fix' into maint 2017-01-17 14:49:26 -08:00
revert.c sequencer: get rid of the subcommand field 2016-10-21 09:32:34 -07:00
rm.c builtin/rm: convert to use struct object_id 2016-09-07 12:59:42 -07:00
send-pack.c Merge branch 'sk/send-pack-all-fix' into maint 2016-04-29 14:15:57 -07:00
shortlog.c use QSORT, part 2 2016-09-29 20:40:23 -07:00
show-branch.c show-branch: use QSORT 2016-10-03 12:46:47 -07:00
show-ref.c show-ref: stop using PARSE_OPT_NO_INTERNAL_HELP 2015-11-20 08:02:07 -05:00
stripspace.c stripspace: respect repository config 2016-11-21 11:00:38 -08:00
submodule--helper.c Merge branch 'sb/submodule-ignore-trailing-slash' 2016-10-27 14:58:49 -07:00
symbolic-ref.c symbolic-ref -d: do not allow removal of HEAD 2016-09-02 09:01:38 -07:00
tag.c Merge branch 'st/verify-tag' 2016-04-29 12:59:09 -07:00
unpack-file.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
unpack-objects.c unpack-objects: add --max-input-size=<size> option 2016-08-24 12:31:05 -07:00
update-index.c Merge branch 'tg/add-chmod+x-fix' into maint 2016-09-29 16:49:47 -07:00
update-ref.c
update-server-info.c
upload-archive.c archive: read local configuration 2016-11-22 13:55:20 -08:00
var.c
verify-commit.c
verify-pack.c
verify-tag.c verify-tag: move tag verification code to tag.c 2016-04-22 14:06:46 -07:00
worktree.c worktree list: keep the list sorted 2016-11-28 13:18:51 -08:00
write-tree.c