Fix crasher on encountering SHA1-like non-note in notes tree

diff --git a/environment.c b/environment.c
index 571ab56b7e58e2db9e1182de7e78fd2d7596e872..5171d9f9a4a30054983638e9e19e61f422724373 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -84,6 +84,8 @@ static void setup_git_env(void)
        git_graft_file = getenv(GRAFT_ENVIRONMENT);
        if (!git_graft_file)
                git_graft_file = git_pathdup("info/grafts");
+       if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
+               read_replace_refs = 0;
 }
 
 int is_bare_repository(void)