add: make --chmod and --renormalize honor sparse checkouts

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/add.c

@@ -46,6 +46,9 @@ static int chmod_pathspec(struct pathspec *pathspec, char flip, int show_only)
 		struct cache_entry *ce = active_cache[i];
 		int err;
 
+		if (ce_skip_worktree(ce))
+			continue;
+
 		if (pathspec && !ce_path_match(&the_index, ce, pathspec, NULL))
 			continue;
 
@@ -144,6 +147,8 @@ static int renormalize_tracked_files(const struct pathspec *pathspec, int flags)
 	for (i = 0; i < active_nr; i++) {
 		struct cache_entry *ce = active_cache[i];
 
+		if (ce_skip_worktree(ce))
+			continue;
 		if (ce_stage(ce))
 			continue; /* do not touch unmerged paths */
 		if (!S_ISREG(ce->ce_mode) && !S_ISLNK(ce->ce_mode))

t/t3705-add-sparse-checkout.sh

@@ -78,14 +78,14 @@ test_expect_success 'git add --refresh does not update sparse entries' '
 	test_cmp before after
 '
 
-test_expect_failure 'git add --chmod does not update sparse entries' '
+test_expect_success 'git add --chmod does not update sparse entries' '
 	setup_sparse_entry &&
 	git add --chmod=+x sparse_entry &&
 	test_sparse_entry_unchanged &&
 	! test -x sparse_entry
 '
 
-test_expect_failure 'git add --renormalize does not update sparse entries' '
+test_expect_success 'git add --renormalize does not update sparse entries' '
 	test_config core.autocrlf false &&
 	setup_sparse_entry "LINEONE\r\nLINETWO\r\n" &&
 	echo "sparse_entry text=auto" >.gitattributes &&