git: a quick command to go to root of the working tree

Question

I wanted a simple git command to go up to the \"root\" of the repository.

I started with a script, but figured that I cannot change active directory of the shell, I

Answer 1

Unfortunately, changing your current directory can only be done by the shell, not by any subprocess. By the time git gets around to parsing your command, it's already too late -- git has already been spawned in a separate process.

Here's a really gross, untested shell function that just might do what you want:

function git() {
    if [ "$1" == "root" ]; then
        git-root
    else
        git "$@"
    fi
}