completion: add git config core completions
[git] / contrib / completion /
drwxr-xr-x   ..
-rw-r--r-- 70432 git-completion.bash
-rw-r--r-- 4801 git-completion.tcsh
-rw-r--r-- 5886 git-completion.zsh
-rw-r--r-- 16223 git-prompt.sh