wt-status.c: handle worktree renames

diff --git a/environment.c b/environment.c
index a9bf5658ade92436feb96f68f174a484fd09fd32..1f0bda5afabe901bea250e7dabcc39c5325baf88 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -167,8 +167,11 @@ static void setup_git_env(void)
        const char *replace_ref_base;
 
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
-       if (!git_dir)
+       if (!git_dir) {
+               if (!startup_info->have_repository)
+                       BUG("setup_git_env called without repository");
                git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
+       }
        gitfile = read_gitfile(git_dir);
        git_dir = xstrdup(gitfile ? gitfile : git_dir);
        if (get_common_dir(&sb, git_dir))