test_cmp expect actual
'
+test_expect_success 'add -N and difftool -d' '
+ test_when_finished git reset --hard &&
+
+ test_write_lines A B C >intent-to-add &&
+ git add -N intent-to-add &&
+ git difftool --dir-diff --extcmd ls
+'
+
test_expect_success 'outside worktree' '
echo 1 >1 &&
echo 2 >2 &&