git/git-repack.sh
Linus Torvalds ccb365047a Allow "git repack" users to specify repacking window/depth
.. but don't even bother documenting it. I don't think any normal person
is supposed to ever really care, but it simplifies testing when you want
to use the "git repack" wrapper rather than forcing you to use the core
programs (which already do support the window/depth arguments, of course).

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-04-19 10:31:23 -07:00

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#!/bin/sh
#
# Copyright (c) 2005 Linus Torvalds
#
USAGE='[-a] [-d] [-f] [-l] [-n] [-q]'
. git-sh-setup
no_update_info= all_into_one= remove_redundant=
local= quiet= no_reuse_delta= extra=
while case "$#" in 0) break ;; esac
do
case "$1" in
-n) no_update_info=t ;;
-a) all_into_one=t ;;
-d) remove_redundant=t ;;
-q) quiet=-q ;;
-f) no_reuse_delta=--no-reuse-delta ;;
-l) local=--local ;;
--window=*) extra="$extra $1" ;;
--depth=*) extra="$extra $1" ;;
*) usage ;;
esac
shift
done
rm -f .tmp-pack-*
PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
# There will be more repacking strategies to come...
case ",$all_into_one," in
,,)
rev_list='--unpacked'
pack_objects='--incremental'
;;
,t,)
rev_list=
pack_objects=
# Redundancy check in all-into-one case is trivial.
existing=`cd "$PACKDIR" && \
find . -type f \( -name '*.pack' -o -name '*.idx' \) -print`
;;
esac
pack_objects="$pack_objects $local $quiet $no_reuse_delta$extra"
name=$(git-rev-list --objects --all $rev_list 2>&1 |
git-pack-objects --non-empty $pack_objects .tmp-pack) ||
exit 1
if [ -z "$name" ]; then
echo Nothing new to pack.
exit 0
fi
echo "Pack pack-$name created."
mkdir -p "$PACKDIR" || exit
mv .tmp-pack-$name.pack "$PACKDIR/pack-$name.pack" &&
mv .tmp-pack-$name.idx "$PACKDIR/pack-$name.idx" ||
exit
if test "$remove_redundant" = t
then
# We know $existing are all redundant only when
# all-into-one is used.
if test "$all_into_one" != '' && test "$existing" != ''
then
sync
( cd "$PACKDIR" &&
for e in $existing
do
case "$e" in
./pack-$name.pack | ./pack-$name.idx) ;;
*) rm -f $e ;;
esac
done
)
fi
git-prune-packed
fi
case "$no_update_info" in
t) : ;;
*) git-update-server-info ;;
esac