test_cmp expect.next0 actual.next0
'
+test_expect_success 'do not touch files that are already up-to-date' '
+ git reset --hard &&
+ echo one >file1 &&
+ echo two >file2 &&
+ git add file1 file2 &&
+ git commit -m base &&
+ echo modified >file1 &&
+ test-tool chmtime =1000000000 file2 &&
+ git update-index -q --refresh &&
+ git checkout HEAD -- file1 file2 &&
+ echo one >expect &&
+ test_cmp expect file1 &&
+ echo "1000000000" >expect &&
+ test-tool chmtime --get file2 >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'checkout HEAD adds deleted intent-to-add file back to index' '
+ echo "nonempty" >nonempty &&
+ >empty &&
+ git add nonempty empty &&
+ git commit -m "create files to be deleted" &&
+ git rm --cached nonempty empty &&
+ git add -N nonempty empty &&
+ git checkout HEAD nonempty empty &&
+ git diff --cached --exit-code
+'
+
test_done