index 439d4746cae343f08b298473d35d9792048abfa0..d57bc299ee7499dc8f448220e894cc6e6a1d8aca 100644 (file)
--- a/diff.c
+++ b/diff.c
DIFF_OPT_SET(options, ALLOW_EXTERNAL);
else if (!strcmp(arg, "--no-ext-diff"))
DIFF_OPT_CLR(options, ALLOW_EXTERNAL);
+ else if (!strcmp(arg, "--ignore-submodules"))
+ DIFF_OPT_SET(options, IGNORE_SUBMODULES);
/* misc options */
else if (!strcmp(arg, "-z"))
char concatpath[PATH_MAX];
struct diff_filespec *one, *two;
+ if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(mode))
+ return;
+
/* This may look odd, but it is a preparation for
* feeding "there are unchanged files which should
* not produce diffs, but when you are doing copy
char concatpath[PATH_MAX];
struct diff_filespec *one, *two;
+ if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(old_mode)
+ && S_ISGITLINK(new_mode))
+ return;
+
if (DIFF_OPT_TST(options, REVERSE_DIFF)) {
unsigned tmp;
const unsigned char *tmp_c;