X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff-cache.c;h=e95fd70da83640d821adb89e97c6fc8b24d649da;hb=001d4a27dbfaaa59c25dc35dafc69bd9b9bc21d3;hp=2aaf16a39dafbf0e03893f61ebbf54f9dae06ae7;hpb=af5323e0274fad058f13949b89a9191a7bef7e38;p=git.git

diff --git a/diff-cache.c b/diff-cache.c
index 2aaf16a3..e95fd70d 100644
--- a/diff-cache.c
+++ b/diff-cache.c
@@ -157,7 +157,7 @@ static void mark_merge_entries(void)
 }
 
 static char *diff_cache_usage =
-"git-diff-cache [-p] [-r] [-z] [-m] [-M] [-C] [-R] [-S<string>] [--cached] <tree-ish> [<path>...]";
+"git-diff-cache [-p] [-r] [-z] [-m] [-M] [-C] [-R] [-S<string>] [-O<orderfile>] [--cached] <tree-ish> [<path>...]";
 
 int main(int argc, const char **argv)
 {
@@ -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")) {