submodule.c: stricter checking for submodules in is_submodule_modified

By having a stricter check in the superproject we catch errors earlier, instead of spawning a child process to tell us. Signed-off-by: Stefan Beller <sbeller@google.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Stefan Beller committed Mar 24, 2017 at 17:36 UTC 5c896f7c3ec69f017d1e1be4164d558918f3ae4c
1 file changed +3 -2
submodule.c
+3 -2
@@ -1052,11 +1052,12 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
1052 git_dir = read_gitfile(buf.buf);
1053 if (!git_dir)
1054 git_dir = buf.buf;
1055 - if (!is_directory(git_dir)) {
1055 + if (!is_git_directory(git_dir)) {
1056 + if (is_directory(git_dir))
1057 + die(_("'%s' not recognized as a git repository"), git_dir);
1058 strbuf_release(&buf);
1059 /* The submodule is not checked out, so it is not modified */
1060 return 0;
1059 -
1061 }
1062 strbuf_reset(&buf);
1063