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-rw-r--r--builtin/diff.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/builtin/diff.c b/builtin/diff.c
index b19530c996..d0e187ec18 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -269,8 +269,10 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv
options |= DIFF_SILENT_ON_REMOVED;
else if (!strcmp(argv[1], "-h"))
usage(builtin_diff_usage);
- else
- return error(_("invalid option: %s"), argv[1]);
+ else {
+ error(_("invalid option: %s"), argv[1]);
+ usage(builtin_diff_usage);
+ }
argv++; argc--;
}