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-rw-r--r--builtin/commit.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/builtin/commit.c b/builtin/commit.c
index 4d7754ca43..500f793fa6 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -161,6 +161,9 @@ static int opt_parse_m(const struct option *opt, const char *arg, int unset)
static int opt_parse_rename_score(const struct option *opt, const char *arg, int unset)
{
const char **value = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+
if (arg != NULL && *arg == '=')
arg = arg + 1;