symbolic ref: refuse non-ref targets in HEAD

diff --git a/git.c b/git.c
index 89feb0b6dc9c34902aa7c3c4ac526c646c0e0d84..940a498962ceb06a1dba85547d61ad62bb81a499 100644 (file)
--- a/git.c
+++ b/git.c
@@ -195,8 +195,8 @@ static int handle_alias(int *argcp, const char ***argv)
                ret = 1;
        }
 
-       if (subdir)
-               chdir(subdir);
+       if (subdir && chdir(subdir))
+               die("Cannot change to %s: %s", subdir, strerror(errno));
 
        errno = saved_errno;
 
@@ -266,6 +266,7 @@ static void handle_internal_command(int argc, const char **argv)
        const char *cmd = argv[0];
        static struct cmd_struct commands[] = {
                { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE },
+               { "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE },
                { "annotate", cmd_annotate, RUN_SETUP },
                { "apply", cmd_apply },
                { "archive", cmd_archive },