# worKDir
function kd() {
    local conf="$HOME/.kdrc"
    if [[ $# -eq 0 ]]; then
        local candidate="$PWD"
        while [[ -n "$candidate" ]]; do
            for file in Gemfile Procfile; do
                if [[ -f "$candidate/$file" ]]; then
                    cd "$candidate"
                    return $?
                fi
            done
            candidate="${candidate%/*}"
        done
        return 1
    fi
    if [[ $# -eq 1 ]]; then
        local target
        target="$(grep -e "^$1" "$conf" | awk '{ print $2 }' | tail -1)"
        if [[ -n "$target" ]]; then
            cd "$target"
            return $?
        fi
        return 1
    fi
    if [[ $# -eq 2 ]]; then
        local target
        name="$1"
        if [[ -d "$2" ]]; then
            target=$(cd "$2"; pwd)
            if [[ -n "$target" ]]; then
                sed -i -e "/^$name/d" "$conf"
                echo "$name" "$target" >> "$conf"
            fi
        fi
        return 1
    fi
}

# vim: ft=sh