char *prefix_path(const char *prefix, int len, const char *path)
{
char *r = prefix_path_gently(prefix, len, NULL, path);
- if (!r)
- die(_("'%s' is outside repository"), path);
+ if (!r) {
+ const char *hint_path = get_git_work_tree();
+ if (!hint_path)
+ hint_path = get_git_dir();
+ die(_("'%s' is outside repository at '%s'"), path,
+ absolute_path(hint_path));
+ }
return r;
}