lnsv

#!/usr/bin/zsh

error() {
    tput setaf 1
    echo "lnsv: $1\033[0m" 1>&2
    exit
}

lnsv() {
    local _svdir="/etc/runit/sv"
    local _runsvdir="/run/runit/service"

    [[ "$#" -lt 1 ]] && error "Not enough arguments" 

    case "$1" in
        -u )  # Unlink a service
            [[ -z "$2" ]] && error "No service name specified to remove"

            local _sv="$_runsvdir/$2"
            [[ -L "$_sv" ]] && sudo unlink "$_sv" || error "$2 is not a symlink in $_runsvdir"

            echo "Unlinked: $_sv"
            ;;

        *  )  # Link a service
            local _sv="$_svdir/$1"
            [[ -d "$_sv" ]] \
                && sudo ln --symbolic "$_sv" "$_runsvdir/" \
                || error "No service dir for $1 in $_svdir"

            tput setaf 6; echo "Linked: $_sv -> $_runsvdir/$1\033[0m"
            ;;
    esac
}

lnsv "$@"