Add "git show-ref" builtin command

diff --git a/environment.c b/environment.c
index 5fae9ac3056dd00beba3b9a13be99f7bb39d584e..84d870ca4eca6e202bcbec388e9a299b887f9a12 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -47,7 +47,7 @@ static void setup_git_env(void)
        }
        git_graft_file = getenv(GRAFT_ENVIRONMENT);
        if (!git_graft_file)
-               git_graft_file = strdup(git_path("info/grafts"));
+               git_graft_file = xstrdup(git_path("info/grafts"));
 }
 
 const char *get_git_dir(void)