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diff --git a/git-repack.sh b/git-repack.sh
index 683960b04d6b743e687b2eb640d2b0e00ccfd313..624feec26f66b15926ffa11767c146222bc9a185 100755 (executable)
--- a/git-repack.sh
+++ b/git-repack.sh
A same as -a, and turn unreachable objects loose
d remove redundant packs, and run git-prune-packed
f pass --no-reuse-delta to git-pack-objects
+F pass --no-reuse-object to git-pack-objects
n do not run git-update-server-info
q,quiet be quiet
l pass --local to git-pack-objects
. git-sh-setup
no_update_info= all_into_one= remove_redundant= unpack_unreachable=
-local= quiet= no_reuse= extra=
+local= no_reuse= extra=
while test $# != 0
do
case "$1" in
-A) all_into_one=t
unpack_unreachable=--unpack-unreachable ;;
-d) remove_redundant=t ;;
- -q) quiet=-q ;;
- -f) no_reuse=--no-reuse-object ;;
+ -q) GIT_QUIET=t ;;
+ -f) no_reuse=--no-reuse-delta ;;
+ -F) no_reuse=--no-reuse-object ;;
-l) local=--local ;;
--max-pack-size|--window|--window-memory|--depth)
extra="$extra $1=$2"; shift ;;
esac
PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
-PACKTMP="$GIT_OBJECT_DIRECTORY/.tmp-$$-pack"
+PACKTMP="$PACKDIR/.tmp-$$-pack"
rm -f "$PACKTMP"-*
trap 'rm -f "$PACKTMP"-*' 0 1 2 3 15
args='--unpacked --incremental'
;;
,t,)
+ args= existing=
if [ -d "$PACKDIR" ]; then
for e in `cd "$PACKDIR" && find . -type f -name '*.pack' \
| sed -e 's/^\.\///' -e 's/\.pack$//'`
if [ -e "$PACKDIR/$e.keep" ]; then
: keep
else
- args="$args --unpacked=$e.pack"
existing="$existing $e"
fi
done
- fi
- if test -z "$args"
- then
- args='--unpacked --incremental'
- elif test -n "$unpack_unreachable"
- then
- args="$args $unpack_unreachable"
+ if test -n "$existing" -a -n "$unpack_unreachable" -a \
+ -n "$remove_redundant"
+ then
+ args="$args $unpack_unreachable"
+ fi
fi
;;
esac
-args="$args $local $quiet $no_reuse$extra"
-names=$(git pack-objects --non-empty --all --reflog $args </dev/null "$PACKTMP") ||
+mkdir -p "$PACKDIR" || exit
+
+args="$args $local ${GIT_QUIET:+-q} $no_reuse$extra"
+names=$(git pack-objects --keep-true-parents --honor-pack-keep --non-empty --all --reflog $args </dev/null "$PACKTMP") ||
exit 1
if [ -z "$names" ]; then
- if test -z "$quiet"; then
- echo Nothing new to pack.
+ say Nothing new to pack.
+fi
+
+# Ok we have prepared all new packfiles.
+
+# First see if there are packs of the same name and if so
+# if we can move them out of the way (this can happen if we
+# repacked immediately after packing fully.
+rollback=
+failed=
+for name in $names
+do
+ for sfx in pack idx
+ do
+ file=pack-$name.$sfx
+ test -f "$PACKDIR/$file" || continue
+ rm -f "$PACKDIR/old-$file" &&
+ mv "$PACKDIR/$file" "$PACKDIR/old-$file" || {
+ failed=t
+ break
+ }
+ rollback="$rollback $file"
+ done
+ test -z "$failed" || break
+done
+
+# If renaming failed for any of them, roll the ones we have
+# already renamed back to their original names.
+if test -n "$failed"
+then
+ rollback_failure=
+ for file in $rollback
+ do
+ mv "$PACKDIR/old-$file" "$PACKDIR/$file" ||
+ rollback_failure="$rollback_failure $file"
+ done
+ if test -n "$rollback_failure"
+ then
+ echo >&2 "WARNING: Some packs in use have been renamed by"
+ echo >&2 "WARNING: prefixing old- to their name, in order to"
+ echo >&2 "WARNING: replace them with the new version of the"
+ echo >&2 "WARNING: file. But the operation failed, and"
+ echo >&2 "WARNING: attempt to rename them back to their"
+ echo >&2 "WARNING: original names also failed."
+ echo >&2 "WARNING: Please rename them in $PACKDIR manually:"
+ for file in $rollback_failure
+ do
+ echo >&2 "WARNING: old-$file -> $file"
+ done
fi
+ exit 1
fi
-for name in $names ; do
+
+# Now the ones with the same name are out of the way...
+fullbases=
+for name in $names
+do
fullbases="$fullbases pack-$name"
chmod a-w "$PACKTMP-$name.pack"
chmod a-w "$PACKTMP-$name.idx"
- mkdir -p "$PACKDIR" || 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.$sfx"
- fi
- done &&
mv -f "$PACKTMP-$name.pack" "$PACKDIR/pack-$name.pack" &&
- mv -f "$PACKTMP-$name.idx" "$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-$name.idx"
+ mv -f "$PACKTMP-$name.idx" "$PACKDIR/pack-$name.idx" ||
+ exit
done
+# Remove the "old-" files
+for name in $names
+do
+ rm -f "$PACKDIR/old-pack-$name.idx"
+ rm -f "$PACKDIR/old-pack-$name.pack"
+done
+
+# End of pack replacement.
+
if test "$remove_redundant" = t
then
# We know $existing are all redundant.
done
)
fi
- git prune-packed $quiet
+ git prune-packed ${GIT_QUIET:+-q}
fi
case "$no_update_info" in
t) : ;;
-*) git-update-server-info ;;
+*) git update-server-info ;;
esac