[PATCH] t7012: Implement test for git-checkout

[Chhatoi Pritam Baral <chhatoipritam@gmail.com>]

Previously a TODO, this patch adds a test for git-checkout skipping a
file with the
skip-worktree bit set.

I'm doing this as a microproject for my GSoC '16 application.

Signed-off-by: Chhatoi Pritam Baral <chhatoipritam@gmail.com>
---
 t/t7012-skip-worktree-writing.sh | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/t/t7012-skip-worktree-writing.sh
b/t/t7012-skip-worktree-writing.sh
index 9ceaa40..d5b42d6 100755
--- a/t/t7012-skip-worktree-writing.sh
+++ b/t/t7012-skip-worktree-writing.sh
@@ -141,6 +141,16 @@ test_expect_success 'git-clean, dirty case' '
 #TODO test_expect_failure 'git-apply removes file' false
 #TODO test_expect_failure 'git-mv to skip-worktree' false
 #TODO test_expect_failure 'git-mv from skip-worktree' false
-#TODO test_expect_failure 'git-checkout' false
+
+test_expect_success 'git-checkout ignores skip-worktree file' '
+	echo > 1 &&
+	git commit -m "Add files" &&
+	echo dirty > 1 &&
+	echo dirty > 2 &&
+	git update-index --skip-worktree 1 &&
+	git checkout -- . &&
+	grep -q dirty 1 &&
+	test_must_fail grep -q dirty 2
+'
  test_done
-- 
2.7.4