checkout.txt: document a common case that ignores ambiguation rules
[git] / contrib / completion /
drwxr-xr-x   ..
-rw-r--r-- 60564 git-completion.bash
-rw-r--r-- 4801 git-completion.tcsh
-rw-r--r-- 5776 git-completion.zsh
-rw-r--r-- 16111 git-prompt.sh