systemctl

#!/bin/bash

# run systemctl commands

# @example
# disable avahi-daemon
# RPI_SYSTEMCTL_CMDS=( "disable avahi-daemon avahi-daemon.socket" )


# default options
RPI_SYSTEMCTL_ON="${RPI_SYSTEMCTL_ON:=login}"
to_array RPI_SYSTEMCTL_CMDS

# load dependencies
plugin_load run || return 1


function run() {
    case "${RPI_SYSTEMCTL_ON}" in
        "login")
            rpi_run_on_first_login "$@"
            ;;

        "boot")
            rpi_run_on_first_boot "$@"
            ;;

        ?|*)
            error "invalid RPI_SYSTEMCTL_ON=${RPI_SYSTEMCTL_ON}"
    esac
}

function rpi_systemctl_prerun() {
    [[ -n "${RPI_SYSTEMCTL_CMDS}" ]] || { warn "RPI_SYSTEMCTL_CMDS must be set" ; return 1 ; }
    return 0
}

function rpi_systemctl_run() {
    for cmd in "${RPI_SYSTEMCTL_CMDS[@]}" ; do
        run "sudo systemctl ${cmd}" || error "install systemctl ${cmd}"
    done
}

function rpi_systemctl_description() {
    echo "run systemctl commands once"
}

function rpi_systemctl_help_params() {
    help_param "RPI_SYSTEMCTL_CMDS" "array of systemctl commands"
    help_param "RPI_SYSTEMCTL_ON" "run on first \"boot\" or first \"login\""
}