diff options
Diffstat (limited to 'builtin/show-ref.c')
-rw-r--r-- | builtin/show-ref.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/builtin/show-ref.c b/builtin/show-ref.c index 2f13f1316f..ed888ffa48 100644 --- a/builtin/show-ref.c +++ b/builtin/show-ref.c @@ -151,6 +151,7 @@ static int hash_callback(const struct option *opt, const char *arg, int unset) static int exclude_existing_callback(const struct option *opt, const char *arg, int unset) { + BUG_ON_OPT_NEG(unset); exclude_arg = 1; *(const char **)opt->value = arg; return 0; |