checkout-index: disallow "--no-stage" option

diff --git a/builtin/check-mailmap.c b/builtin/check-mailmap.c
index eaaea546d30871ad7442456f7eec4ae849f68374..cf0f54f6b92ec8db45158c43ad164413ec4a1333 100644 (file)
--- a/builtin/check-mailmap.c
+++ b/builtin/check-mailmap.c
@@ -54,7 +54,7 @@ int cmd_check_mailmap(int argc, const char **argv, const char *prefix)
 
        if (use_stdin) {
                struct strbuf buf = STRBUF_INIT;
-               while (strbuf_getline(&buf, stdin, '\n') != EOF) {
+               while (strbuf_getline_lf(&buf, stdin) != EOF) {
                        check_mailmap(&mailmap, buf.buf);
                        maybe_flush_or_die(stdout, "stdout");
                }