config: only read .git/config from configured repos

diff --git a/environment.c b/environment.c
index bccdee9d0b2942763807e69311a730cc8e23d66c..20a870c3d72101824e452ca68017e5150bd9de87 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -194,6 +194,13 @@ int is_bare_repository(void)
        return is_bare_repository_cfg && !get_git_work_tree();
 }
 
+int have_git_dir(void)
+{
+       return startup_info->have_repository
+               || git_dir
+               || getenv(GIT_DIR_ENVIRONMENT);
+}
+
 const char *get_git_dir(void)
 {
        if (!git_dir)