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-rw-r--r--diff-files.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/diff-files.c b/diff-files.c
index a425112c9..5c895cca7 100644
--- a/diff-files.c
+++ b/diff-files.c
@@ -61,14 +61,21 @@ int main(int argc, const char **argv)
orderfile = argv[1] + 2;
else if (!strcmp(argv[1], "--pickaxe-all"))
pickaxe_opts = DIFF_PICKAXE_ALL;
- else if (!strncmp(argv[1], "-B", 2))
- diff_break_opt = diff_scoreopt_parse(argv[1]);
+ else if (!strncmp(argv[1], "-B", 2)) {
+ if ((diff_break_opt =
+ diff_scoreopt_parse(argv[1])) == -1)
+ usage(diff_files_usage);
+ }
else if (!strncmp(argv[1], "-M", 2)) {
- diff_score_opt = diff_scoreopt_parse(argv[1]);
+ if ((diff_score_opt =
+ diff_scoreopt_parse(argv[1])) == -1)
+ usage(diff_files_usage);
detect_rename = DIFF_DETECT_RENAME;
}
else if (!strncmp(argv[1], "-C", 2)) {
- diff_score_opt = diff_scoreopt_parse(argv[1]);
+ if ((diff_score_opt =
+ diff_scoreopt_parse(argv[1])) == -1)
+ usage(diff_files_usage);
detect_rename = DIFF_DETECT_COPY;
}
else