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0341091a9e
* 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
134 lines
3.0 KiB
Bash
Executable File
134 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2005 Linus Torvalds
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#
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USAGE='[-a|-A] [-d] [-f] [-l] [-n] [-q] [--max-pack-size=N] [--window=N] [--window-memory=N] [--depth=N]'
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SUBDIRECTORY_OK='Yes'
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. git-sh-setup
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no_update_info= all_into_one= remove_redundant= keep_unreachable=
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local= quiet= no_reuse= extra=
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while test $# != 0
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do
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case "$1" in
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-n) no_update_info=t ;;
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-a) all_into_one=t ;;
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-A) all_into_one=t
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keep_unreachable=--keep-unreachable ;;
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-d) remove_redundant=t ;;
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-q) quiet=-q ;;
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-f) no_reuse=--no-reuse-object ;;
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-l) local=--local ;;
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--max-pack-size=*) extra="$extra $1" ;;
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--window=*) extra="$extra $1" ;;
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--window-memory=*) extra="$extra $1" ;;
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--depth=*) extra="$extra $1" ;;
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*) usage ;;
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esac
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shift
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done
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# Later we will default repack.UseDeltaBaseOffset to true
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default_dbo=false
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case "`git config --bool repack.usedeltabaseoffset ||
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echo $default_dbo`" in
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true)
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extra="$extra --delta-base-offset" ;;
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esac
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PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
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PACKTMP="$GIT_OBJECT_DIRECTORY/.tmp-$$-pack"
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rm -f "$PACKTMP"-*
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trap 'rm -f "$PACKTMP"-*' 0 1 2 3 15
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# There will be more repacking strategies to come...
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case ",$all_into_one," in
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,,)
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args='--unpacked --incremental'
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;;
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,t,)
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if [ -d "$PACKDIR" ]; then
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for e in `cd "$PACKDIR" && find . -type f -name '*.pack' \
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| sed -e 's/^\.\///' -e 's/\.pack$//'`
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do
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if [ -e "$PACKDIR/$e.keep" ]; then
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: keep
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else
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args="$args --unpacked=$e.pack"
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existing="$existing $e"
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fi
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done
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fi
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if test -z "$args"
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then
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args='--unpacked --incremental'
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elif test -n "$keep_unreachable"
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then
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args="$args $keep_unreachable"
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fi
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;;
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esac
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args="$args $local $quiet $no_reuse$extra"
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names=$(git pack-objects --non-empty --all --reflog $args </dev/null "$PACKTMP") ||
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exit 1
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if [ -z "$names" ]; then
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if test -z "$quiet"; then
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echo Nothing new to pack.
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fi
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fi
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for name in $names ; do
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fullbases="$fullbases pack-$name"
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chmod a-w "$PACKTMP-$name.pack"
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chmod a-w "$PACKTMP-$name.idx"
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if test "$quiet" != '-q'; then
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echo "Pack pack-$name created."
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fi
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mkdir -p "$PACKDIR" || exit
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for sfx in pack idx
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do
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if test -f "$PACKDIR/pack-$name.$sfx"
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then
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mv -f "$PACKDIR/pack-$name.$sfx" \
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"$PACKDIR/old-pack-$name.$sfx"
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fi
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done &&
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mv -f "$PACKTMP-$name.pack" "$PACKDIR/pack-$name.pack" &&
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mv -f "$PACKTMP-$name.idx" "$PACKDIR/pack-$name.idx" &&
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test -f "$PACKDIR/pack-$name.pack" &&
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test -f "$PACKDIR/pack-$name.idx" || {
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echo >&2 "Couldn't replace the existing pack with updated one."
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echo >&2 "The original set of packs have been saved as"
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echo >&2 "old-pack-$name.{pack,idx} in $PACKDIR."
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exit 1
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}
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rm -f "$PACKDIR/old-pack-$name.pack" "$PACKDIR/old-pack-$name.idx"
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done
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if test "$remove_redundant" = t
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then
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# We know $existing are all redundant.
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if [ -n "$existing" ]
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then
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sync
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( cd "$PACKDIR" &&
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for e in $existing
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do
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case " $fullbases " in
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*" $e "*) ;;
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*) rm -f "$e.pack" "$e.idx" "$e.keep" ;;
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esac
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done
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)
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fi
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git prune-packed $quiet
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fi
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case "$no_update_info" in
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t) : ;;
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*) git-update-server-info ;;
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esac
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