Merge branch 'jc/repack'
* jc/repack:
git-repack: Be careful when updating the same pack as an existing one.
diff --git a/git-repack.sh b/git-repack.sh
index eb75c8c..640ad8d 100755
--- a/git-repack.sh
+++ b/git-repack.sh
@@ -54,9 +54,24 @@
fi
mkdir -p "$PACKDIR" || exit
- mv .tmp-pack-$name.pack "$PACKDIR/pack-$name.pack" &&
- mv .tmp-pack-$name.idx "$PACKDIR/pack-$name.idx" ||
- exit
+ for sfx in pack idx
+ do
+ if test -f "$PACKDIR/pack-$name.$sfx"
+ then
+ mv -f "$PACKDIR/pack-$name.$sfx" \
+ "$PACKDIR/old-pack-$name.$sfx"
+ fi
+ done &&
+ mv -f .tmp-pack-$name.pack "$PACKDIR/pack-$name.pack" &&
+ mv -f .tmp-pack-$name.idx "$PACKDIR/pack-$name.idx" &&
+ test -f "$PACKDIR/pack-$name.pack" &&
+ test -f "$PACKDIR/pack-$name.idx" || {
+ echo >&2 "Couldn't replace the existing pack with updated one."
+ echo >&2 "The original set of packs have been saved as"
+ echo >&2 "old-pack-$name.{pack,idx} in $PACKDIR."
+ exit 1
+ }
+ rm -f "$PACKDIR/old-pack-$name.pack" "$PACKDIR/old-pack-$name.idx"
fi
if test "$remove_redundant" = t
