test_expect_success PERL 'difftool properly honors gitlink and core.worktree' '
git submodule add ./. submod/ule &&
+ test_config -C submod/ule diff.tool checktrees &&
+ test_config -C submod/ule difftool.checktrees.cmd '\''
+ test -d "$LOCAL" && test -d "$REMOTE" && echo good
+ '\'' &&
(
cd submod/ule &&
- test_config diff.tool checktrees &&
- test_config difftool.checktrees.cmd '\''
- test -d "$LOCAL" && test -d "$REMOTE" && echo good
- '\'' &&
echo good >expect &&
git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
test_cmp expect actual