Add a 'create' helper function in test.sh.
lrwxrwxrwx 14 git-subtree -> git-subtree.sh
-rwxr-xr-x 8319 git-subtree.sh
-rw-r--r-- 23 shellopts.sh
-rwxr-xr-x 1781 test.sh
-rw-r--r-- 247 todo