Aside from aliases in your `.gitconfig`, as far as I know, if `git-subcommand` exists in your path, `git subcommand` will call that script for you automatically

Aside from aliases in your `.gitconfig`, as far as I know, if `git-subcommand` exists in your path, `git subcommand` will call that script for you automatically. ie if you put `git-monkey` in `$HOME/bin`, add `$HOME/bin` to your path, now `git monkey` is a valid subcommand.