resolve_ref(): emit warnings for improperly-formatted references

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 3bb652591bb0ee53f2c4d7aed2c32dc480f6e5ae..574d2b61813335045773a5515b8eaf2f44788a6a 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -882,7 +882,7 @@ static int parse_branchname_arg(int argc, const char **argv,
        new->name = arg;
        setup_branch_path(new);
 
-       if (check_ref_format(new->path) == CHECK_REF_FORMAT_OK &&
+       if (!check_refname_format(new->path, 0) &&
            resolve_ref(new->path, branch_rev, 1, NULL))
                hashcpy(rev, branch_rev);
        else