Git.pm: Kill Git.xs for now

diff --git a/diff.c b/diff.c
index a8710cb9e2388ce915fabc99cb86caacd1020961..2327e6065b548ffb89136bda8b054e7b61d47c46 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -904,9 +904,7 @@ static int mmfile_is_binary(mmfile_t *mf)
        long sz = mf->size;
        if (FIRST_FEW_BYTES < sz)
                sz = FIRST_FEW_BYTES;
-       if (memchr(mf->ptr, 0, sz))
-               return 1;
-       return 0;
+       return !!memchr(mf->ptr, 0, sz);
 }
 
 static void builtin_diff(const char *name_a,
@@ -1679,6 +1677,19 @@ void diff_setup(struct diff_options *options)
 
 int diff_setup_done(struct diff_options *options)
 {
+       int count = 0;
+
+       if (options->output_format & DIFF_FORMAT_NAME)
+               count++;
+       if (options->output_format & DIFF_FORMAT_NAME_STATUS)
+               count++;
+       if (options->output_format & DIFF_FORMAT_CHECKDIFF)
+               count++;
+       if (options->output_format & DIFF_FORMAT_NO_OUTPUT)
+               count++;
+       if (count > 1)
+               die("--name-only, --name-status, --check and -s are mutually exclusive");
+
        if (options->find_copies_harder)
                options->detect_rename = DIFF_DETECT_COPY;