Make git reflog expire honour core.sharedRepository.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-reflog.c

@@ -307,6 +307,8 @@ static int expire_reflog(const char *ref, const unsigned char *sha1, int unused,
 			unlink(newlog_path);
 		} else if (cmd->updateref && commit_ref(lock)) {
 			status |= error("Couldn't set %s", lock->ref_name);
+		} else {
+			adjust_shared_perm(log_file);
 		}
 	}
 	free(newlog_path);

t/t1301-shared-repo.sh

@@ -83,4 +83,19 @@ do
 
 done
 
+test_expect_success 'git reflog expire honors core.sharedRepository' '
+	git config core.sharedRepository group &&
+	git reflog expire --all &&
+	actual="$(ls -l .git/logs/refs/heads/master)" &&
+	case "$actual" in
+	-rw-rw-*)
+		: happy
+		;;
+	*)
+		echo Ooops, .git/logs/refs/heads/master is not 0662 [$actual]
+		false
+		;;
+	esac
+'
+
 test_done