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-rw-r--r--diff.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/diff.c b/diff.c
index 439d4746ca..62fdc5492b 100644
--- a/diff.c
+++ b/diff.c
@@ -129,7 +129,7 @@ static int parse_funcname_pattern(const char *var, const char *ep, const char *v
* never be affected by the setting of diff.renames
* the user happens to have in the configuration file.
*/
-int git_diff_ui_config(const char *var, const char *value)
+int git_diff_ui_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "diff.renamelimit")) {
diff_rename_limit_default = git_config_int(var, value);
@@ -166,10 +166,10 @@ int git_diff_ui_config(const char *var, const char *value)
return parse_lldiff_command(var, ep, value);
}
- return git_diff_basic_config(var, value);
+ return git_diff_basic_config(var, value, cb);
}
-int git_diff_basic_config(const char *var, const char *value)
+int git_diff_basic_config(const char *var, const char *value, void *cb)
{
if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) {
int slot = parse_diff_color_slot(var, 11);
@@ -190,7 +190,7 @@ int git_diff_basic_config(const char *var, const char *value)
}
}
- return git_color_default_config(var, value);
+ return git_color_default_config(var, value, cb);
}
static char *quote_two(const char *one, const char *two)
@@ -2496,6 +2496,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
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"))
@@ -3355,6 +3357,9 @@ void diff_addremove(struct diff_options *options,
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
@@ -3399,6 +3404,10 @@ void diff_change(struct diff_options *options,
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;