Setup git BASH environment: prompt with the current branch and status color code (GREEN - no changes; RED - something to commit; YELLOW - something else: a new un-tracked file etc.), current directory shortening. #git #bash #nad2000

setup_git.sh

# drops first portion of a path $1 if length is greater than $2
function __droppath {
    if [[ ${#1} -gt $2 ]]; then
        p=$1
        while [ ${#p} -gt $2 ]; do
            p="/"$(echo "$p"|cut -d"/" -f3-)
        done
        echo "..."$p
    else
        echo $1
    fi
}


export PS1='${debian_chroot:+($debian_chroot)}\[\e[01;30m\]\[\e[00;37m\]\u\[\e[01;37m\]:`case $(git status 2> /dev/null | sed -n '2p') in "nothing to commit, working directory clean") echo "\[\e[32m\]";; "# Changes to be committed:") echo "\[\e[31m\]";; *) echo "\[\e[33m\]";; esac`$(__git_ps1 "(%s)\[\e[00m\]")\[\e[01;34m\]$(__droppath "\w" 20)\[\e[00m\]\$ '