Merge branch 'ph/format-patch-no-color'

* ph/format-patch-no-color:
  format-patch: ignore ui.color

builtin/log.c

@@ -608,7 +608,8 @@ static int git_format_config(const char *var, const char *value, void *cb)
 		string_list_append(&extra_cc, value);
 		return 0;
 	}
-	if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
+	if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff") ||
+	    !strcmp(var, "color.ui")) {
 		return 0;
 	}
 	if (!strcmp(var, "format.numbered")) {

t/t4014-format-patch.sh

@@ -886,4 +886,12 @@ test_expect_success 'empty subject prefix does not have extra space' '
 	test_cmp expect actual
 '
 
+test_expect_success 'format patch ignores color.ui' '
+	test_unconfig color.ui &&
+	git format-patch --stdout -1 >expect &&
+	test_config color.ui always &&
+	git format-patch --stdout -1 >actual &&
+	test_cmp expect actual
+'
+
 test_done