FIXME help for --squash option
lrwxrwxrwx 14 git-subtree -> git-subtree.sh
-rwxr-xr-x 9518 git-subtree.sh
-rw-r--r-- 23 shellopts.sh
-rwxr-xr-x 4326 test.sh
-rw-r--r-- 593 todo