[PATCH] diff: Clean up diff_scoreopt_parse().

[thirdparty/git.git] / diff-cache.c

diff --git a/diff-cache.c b/diff-cache.c
index 8e5f72bf3f924ef3c7ebb4e76b871bdf6851caa5..e95fd70da83640d821adb89e97c6fc8b24d649da 100644 (file)
--- 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")) {