setup: set env $GIT_WORK_TREE when work tree is set, like $GIT_DIR
[git] / t / t4101 / diff.3-0
1 --- a/frotz
2 +++ b/frotz
3 @@ -1,3 +1,2 @@
4  a
5 -c
6 -b
7 \ No newline at end of file
8 +b