bin/svcm


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#!/bin/bash
set -eu

# shellcheck disable=2034
description="service manager"

export FUZL_PROMPT=svcm
export FUZL_ICON=󰲽
. libfuzl.sh

SVCM_SCOPE=usr

main() {
	fuzl_action_add "usr" "󰀄" "User"
	fuzl_action_add "sys" "󰟀" "System"
	fuzl_action_menu || return

	select_service
}

#
# helpers
#

select_service() {
	local rl
	rl=$(runlevel_current)

	local srv
	srv=$(get_services |
		FUZL_PROMPT="$FUZL_PROMPT [$rl]" fuzl_menu $FUZL_MENU_FILTER || true)

	test -n "$srv" || main

	if [[ "$srv" = runlevel:* ]]; then
		runlevel_start "$(cut -c10- <<<"$srv")"
		return
	fi

	fuzl_action_add "restart" "󰜉" "Restart"
	fuzl_action_add "start" "󰈸" "Start"
	fuzl_action_add "stop" "" "Stop"
	fuzl_action_menu "$srv" || select_service
}

get_services() {
	case "${SVCM_SCOPE:?missing scope}" in
	usr)
		fuzl_try -- rc-service -U -l | sort -u
		find ~/.config/rc/runlevels/ -mindepth 1 -type d -printf 'runlevel:%P\n'
		;;
	sys)
		fuzl_try -- rc-service -l | sort -u
		find /etc/runlevels/ -mindepth 1 -type d -printf 'runlevel:%P\n'
		;;
	esac
}

runlevel_current() {
	case "${SVCM_SCOPE:?missing scope}" in
	usr) fuzl_try -- rc-status -U -r ;;
	sys) fuzl_try -- rc-status -r ;;
	esac
}
runlevel_start() {
	local rl=${1:?missing runlevel}
	case "${SVCM_SCOPE:?missing scope}" in
	usr) fuzl_try -- openrc -U "$rl" ;;
	sys) fuzl_try -- doas -n openrc "$rl" ;;
	esac
}

#
# actions
#

svcm_usr() {
	SVCM_SCOPE=usr
}
svcm_sys() {
	SVCM_SCOPE=sys
}

svcm_start() {
	local srv=${1:?missing service}
	case "${SVCM_SCOPE:?missing scope}" in
	usr) fuzl_try -- rc-service -U "$srv" start ;;
	sys) fuzl_try -- doas -n rc-service "$srv" start ;;
	esac
}

svcm_stop() {
	local srv=${1:?missing service}
	case "${SVCM_SCOPE:?missing scope}" in
	usr) fuzl_try -- rc-service -U "$srv" stop ;;
	sys) fuzl_try -- doas -n rc-service "$srv" stop ;;
	esac
}

svcm_restart() {
	local srv=${1:?missing service}
	case "${SVCM_SCOPE:?missing scope}" in
	usr) fuzl_try -- rc-service -U "$srv" restart ;;
	sys) fuzl_try -- doas -n rc-service "$srv" stop ;;
	esac
}

main