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ce8590748b
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 $GIT_OBJECT_DIRECTORY/pack. That is pack-X.pack will be kept (not repacked and not deleted) if pack-X.keep exists in the same directory when `git repack -a -d` starts. Currently this feature is not documented and there is no user interface to keep an existing pack. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
117 lines
2.5 KiB
Bash
Executable file
117 lines
2.5 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Linus Torvalds
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#
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USAGE='[-a] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N]'
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SUBDIRECTORY_OK='Yes'
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. git-sh-setup
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no_update_info= all_into_one= remove_redundant=
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local= quiet= no_reuse_delta= extra=
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while case "$#" in 0) break ;; esac
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do
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case "$1" in
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-n) no_update_info=t ;;
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-a) all_into_one=t ;;
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-d) remove_redundant=t ;;
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-q) quiet=-q ;;
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-f) no_reuse_delta=--no-reuse-delta ;;
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-l) local=--local ;;
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--window=*) extra="$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 repo-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_DIR/.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 $e"
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fi
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done
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fi
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[ -z "$args" ] && args='--unpacked --incremental'
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;;
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esac
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args="$args $local $quiet $no_reuse_delta$extra"
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name=$(git-pack-objects --non-empty --all $args </dev/null "$PACKTMP") ||
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exit 1
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if [ -z "$name" ]; then
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echo Nothing new to pack.
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else
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if test "$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-$name.idx"
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fi
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if test "$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 $existing
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do
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case "$e" in
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pack-$name) ;;
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*) rm -f "$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
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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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