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-rw-r--r--diff-cache.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/diff-cache.c b/diff-cache.c
index 8e5f72b..e95fd70 100644
--- a/diff-cache.c
+++ b/diff-cache.c
@@ -191,17 +191,20 @@ int main(int argc, const char **argv)
continue;
}
if (!strncmp(arg, "-B", 2)) {
- diff_break_opt = diff_scoreopt_parse(arg);
+ if ((diff_break_opt = diff_scoreopt_parse(arg)) == -1)
+ usage(diff_cache_usage);
continue;
}
if (!strncmp(arg, "-M", 2)) {
detect_rename = DIFF_DETECT_RENAME;
- diff_score_opt = diff_scoreopt_parse(arg);
+ if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1)
+ usage(diff_cache_usage);
continue;
}
if (!strncmp(arg, "-C", 2)) {
detect_rename = DIFF_DETECT_COPY;
- diff_score_opt = diff_scoreopt_parse(arg);
+ if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1)
+ usage(diff_cache_usage);
continue;
}
if (!strcmp(arg, "-z")) {