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Taylor Blau e3e24de1bf builtin/gc.c: make gc.cruftPacks enabled by default 
Back in 5b92477f89 (builtin/gc.c: conditionally avoid pruning objects
via loose, 2022-05-20), `git gc` learned the `--cruft` option and
`gc.cruftPacks` configuration to opt-in to writing cruft packs when
collecting or pruning unreachable objects.

Cruft packs were introduced with the merge in a50036da1a (Merge branch
'tb/cruft-packs', 2022-06-03). They address the problem of "loose object
explosions", where Git will write out many individual loose objects when
there is a large number of unreachable objects that have not yet aged
past `--prune=<date>`.

Instead of keeping track of those unreachable yet recent objects via
their loose object file's mtime, cruft packs collect all unreachable
objects into a single pack with a corresponding `*.mtimes` file that
acts as a table to store the mtimes of all unreachable objects. This
prevents the need to store unreachable objects as loose as they age out
of the repository, and avoids the problem of loose object explosions.

Beyond avoiding loose object explosions, cruft packs also act as a more
efficient mechanism to store unreachable objects as they age out of a
repository. This is because pairs of similar unreachable objects serve
as delta bases for one another.

In 5b92477f89, the feature was introduced as experimental. Since then,
GitHub has been running these patches in every repository generating
hundreds of millions of cruft packs along the way. The feature is
battle-tested, and avoids many pathological cases such as above. Users
who either run `git gc` manually, or via `git maintenance` can benefit
from having cruft packs.

As such, enable cruft pack generation to take place by default (by
making `gc.cruftPacks` have the default of "true" rather than "false).

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-04-18 14:56:48 -07:00
..
add.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
am.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
annotate.c
apply.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
archive.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
bisect.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
blame.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
branch.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
bugreport.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
bundle.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
cat-file.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
check-attr.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
check-ignore.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
check-mailmap.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
check-ref-format.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
checkout--worker.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
checkout-index.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
checkout.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
clean.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
clone.c Merge branch 'jc/clone-object-format-from-void' 2023-04-11 13:49:13 -07:00
column.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
commit-graph.c environment.h: move declarations for environment.c functions from cache.h 2023-03-21 10:56:53 -07:00
commit-tree.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
commit.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
config.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
count-objects.c environment.h: move declarations for environment.c functions from cache.h 2023-03-21 10:56:53 -07:00
credential-cache--daemon.c abspath.h: move absolute path functions from cache.h 2023-03-21 10:56:52 -07:00
credential-cache.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
credential-store.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
credential.c builtins: mark unused prefix parameters 2023-03-28 14:11:24 -07:00
describe.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
diagnose.c abspath.h: move absolute path functions from cache.h 2023-03-21 10:56:52 -07:00
diff-files.c cocci: apply "pending" index-compatibility to some "builtin/*.c" 2022-11-21 12:06:15 +09:00
diff-index.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
diff-tree.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
diff.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
difftool.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
fast-export.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
fast-import.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
fetch-pack.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
fetch.c Merge branch 'ds/fetch-bundle-uri-with-all' 2023-04-06 13:38:32 -07:00
fmt-merge-msg.c wrapper.h: move declarations for wrapper.c functions from cache.h 2023-03-21 10:56:53 -07:00
for-each-ref.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
for-each-repo.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
fsck.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
fsmonitor--daemon.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
gc.c builtin/gc.c: make gc.cruftPacks enabled by default 2023-04-18 14:56:48 -07:00
get-tar-commit-id.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
grep.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
hash-object.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
help.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
hook.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
index-pack.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
init-db.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
interpret-trailers.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
log.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
ls-files.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
ls-remote.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
ls-tree.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
mailinfo.c environment.h: move declarations for environment.c functions from cache.h 2023-03-21 10:56:53 -07:00
mailsplit.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
merge-base.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
merge-file.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
merge-index.c builtins: mark unused prefix parameters 2023-03-28 14:11:24 -07:00
merge-ours.c builtins: mark unused prefix parameters 2023-03-28 14:11:24 -07:00
merge-recursive.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
merge-tree.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
merge.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
mktag.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
mktree.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
multi-pack-index.c environment.h: move declarations for environment.c functions from cache.h 2023-03-21 10:56:53 -07:00
mv.c setup.h: move declarations for setup.c functions from cache.h 2023-03-21 10:56:54 -07:00
name-rev.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
notes.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
pack-objects.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
pack-redundant.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
pack-refs.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
patch-id.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
prune-packed.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
prune.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
pull.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
push.c environment.h: move declarations for environment.c functions from cache.h 2023-03-21 10:56:53 -07:00
range-diff.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
read-tree.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
rebase.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
receive-pack.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
reflog.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
remote-ext.c builtins: annotate always-empty prefix parameters 2023-03-28 14:11:24 -07:00
remote-fd.c builtins: annotate always-empty prefix parameters 2023-03-28 14:11:24 -07:00
remote.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
repack.c builtin/repack.c: fix incorrect reference to '-C' 2023-04-18 14:56:47 -07:00
replace.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
rerere.c wrapper.h: move declarations for wrapper.c functions from cache.h 2023-03-21 10:56:53 -07:00
reset.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
rev-list.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
rev-parse.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
revert.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
rm.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
send-pack.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
shortlog.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
show-branch.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
show-index.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
show-ref.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
sparse-checkout.c Merge branch 'ws/sparse-check-rules' 2023-04-11 13:49:12 -07:00
stash.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
stripspace.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
submodule--helper.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
symbolic-ref.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
tag.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
unpack-file.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
unpack-objects.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
update-index.c write-or-die.h: move declarations for write-or-die.c functions from cache.h 2023-03-21 10:56:54 -07:00
update-ref.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
update-server-info.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
upload-archive.c builtins: annotate always-empty prefix parameters 2023-03-28 14:11:24 -07:00
upload-pack.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
var.c builtins: mark unused prefix parameters 2023-03-28 14:11:24 -07:00
verify-commit.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
verify-pack.c treewide: be explicit about dependence on gettext.h 2023-03-21 10:56:51 -07:00
verify-tag.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
worktree.c Merge branch 'en/header-split-cleanup' 2023-04-06 13:38:31 -07:00
write-tree.c environment.h: move declarations for environment.c functions from cache.h 2023-03-21 10:56:53 -07:00