Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
		
			
				
	
	
		
			125 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			2.8 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] [--max-pack-size=N] [--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= extra=
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while case "$#" in 0) break ;; esac
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do
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	case "$1" in
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	-n)	no_update_info=t ;;
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	-a)	all_into_one=t ;;
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	-d)	remove_redundant=t ;;
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	-q)	quiet=-q ;;
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	-f)	no_reuse=--no-reuse-object ;;
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	-l)	local=--local ;;
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	--max-pack-size=*) extra="$extra $1" ;;
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	--window=*) extra="$extra $1" ;;
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	--depth=*) extra="$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 $e"
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			fi
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		done
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	fi
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	[ -z "$args" ] && args='--unpacked --incremental'
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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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