git-stash: use update-ref --create-reflog instead of creating files

dturner-tw · gitster · commit 89dea9733497 · 2015-07-21T14:08:49.000-07:00
This is in support of alternate ref backends which don't necessarily
store reflogs as files.

Signed-off-by: David Turner &lt;dturner@twopensource.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/git-stash.sh b/git-stash.sh
@@ -183,9 +183,7 @@ store_stash () {
 		stash_msg="Created via \"git stash store\"."
 	fi
 
-	# Make sure the reflog for stash is kept.
-	: >>"$(git rev-parse --git-path logs/$ref_stash)"
-	git update-ref -m "$stash_msg" $ref_stash $w_commit
+	git update-ref --create-reflog -m "$stash_msg" $ref_stash $w_commit
 	ret=$?
 	test $ret != 0 && test -z $quiet &&
 	die "$(eval_gettext "Cannot update \$ref_stash with \$w_commit")"
@@ -262,7 +260,7 @@ save_stash () {
 		say "$(gettext "No local changes to save")"
 		exit 0
 	fi
-	test -f "$(git rev-parse --git-path logs/$ref_stash)" ||
+	git reflog exists $ref_stash ||
 		clear_stash || die "$(gettext "Cannot initialize stash")"
 
 	create_stash "$stash_msg" $untracked
