pimp_it - PS1 for git

gistfile1.sh

# colors
Escape="\033"
Red="${Escape}[31m"
Green="${Escape}[32m"
Yellow="${Escape}[33m"
Reset="${Escape}[0m"

pimp_it () 
{
    # are we in a git repo?
    git branch &>/dev/null

    if [ $? -eq 0 ]; then
        local status=`git status --porcelain`

        # staging area
        local idx_modified=$(expr `echo "$status" | grep -P '^M' -c` + `echo "$status" | grep -P '^R' -c`)
        local idx_new=`echo "$status" | grep -P '^A' -c`
        local idx_deleted=`echo "$status" | grep -P '^D' -c`

        # working tree
        local wrk_modified=$(expr `echo "$status" | grep -P '^ M' -c` + `echo "$status" | grep -P '^ R' -c`)
        local wrk_new=$(expr `echo "$status" | grep -P '^\?\?' -c` + `echo "$status" | grep -P '^ A' -c`)
        local wrk_deleted=`echo "$status" | grep -P '^ D' -c`

        # let's put it together, add some nice colors
        work="${Red}+$wrk_new ~$wrk_modified -$wrk_deleted${Reset}"
        index="${Green}+$idx_new ~$idx_modified -$idx_deleted${Reset}"

        echo -e " [$index | $work] $(__git_ps1 "(%s)")"
    fi
}

pimp_the_branch ()
{
    git branch &>/dev/null

    if [ $? -eq 0 ]; then
        local mod=`git status | grep -c "nothing to commit"`
        if [ $mod -eq 1 ]; then
            echo -e " (${Green}$(__git_ps1 "%s")${Reset})"
        else
            echo -e " (${Yellow}$(__git_ps1 "%s")${Reset})"
        fi
    fi
}

PS1='\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\u@\h:\w$(pimp_the_branch)\$ '