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485

Systemd controversy be like (sh.itjust.works)

submitted 8 months ago by [email protected] to c/linuxmemes

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[–] [email protected] 16 points 8 months ago (2 children)

Sure, that seems pretty reasonable. Here's the init script for sddm:

#!/usr/bin/openrc-run

supervisor=supervise-daemon
command="/usr/bin/sddm"

depend() {
    need localmount

    after bootmisc consolefont modules netmount
    after ypbind autofs openvpn gpm lircmd
    after quota keymaps
    before alsasound
    want logind
    use xfs

    provide xdm display-manager
}

That's it. That's the whole thing.

That's a pretty simple one though, so here's Alsa. It's a more complex one:

code

#!/usr/bin/openrc-run
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

alsastatedir=/var/lib/alsa
alsascrdir=/etc/alsa.d
alsahomedir=/run/alsasound

extra_commands="save restore"

depend() {
	need localmount
	after bootmisc modules isapnp coldplug hotplug
}

restore() {
	ebegin "Restoring Mixer Levels"

	checkpath -q -d -m 0700 -o root:root ${alsahomedir} || return 1

	if [ ! -r "${alsastatedir}/asound.state" ] ; then
		ewarn "No mixer config in ${alsastatedir}/asound.state, you have to unmute your card!"
		eend 0
		return 0
	fi

	local cards="$(sed -n -e 's/^ *\([[:digit:]]*\) .*/\1/p' /proc/asound/cards)"
	local CARDNUM
	for cardnum in ${cards}; do
		[ -e /dev/snd/controlC${cardnum} ] || sleep 2
		[ -e /dev/snd/controlC${cardnum} ] || sleep 2
		[ -e /dev/snd/controlC${cardnum} ] || sleep 2
		[ -e /dev/snd/controlC${cardnum} ] || sleep 2
		alsactl -E HOME="${alsahomedir}" -I -f "${alsastatedir}/asound.state" restore ${cardnum} \
			|| ewarn "Errors while restoring defaults, ignoring"
	done

	for ossfile in "${alsastatedir}"/oss/card*_pcm* ; do
		[ -e "${ossfile}" ] || continue
		# We use cat because I'm not sure if cp works properly on /proc
		local procfile=${ossfile##${alsastatedir}/oss}
		procfile="$(echo "${procfile}" | sed -e 's,_,/,g')"
		if [ -e /proc/asound/"${procfile}"/oss ] ; then
		    cat "${ossfile}" > /proc/asound/"${procfile}"/oss 
		fi
	done

	eend 0
}

save() {
	ebegin "Storing ALSA Mixer Levels"

	checkpath -q -d -m 0700 -o root:root ${alsahomedir} || return 1

	mkdir -p "${alsastatedir}"
	if ! alsactl -E HOME="${alsahomedir}" -f "${alsastatedir}/asound.state" store; then
		eerror "Error saving levels."
		eend 1
		return 1
	fi

	for ossfile in /proc/asound/card*/pcm*/oss; do
		[ -e "${ossfile}" ] || continue
		local device=${ossfile##/proc/asound/} ; device=${device%%/oss}
		device="$(echo "${device}" | sed -e 's,/,_,g')"
		mkdir -p "${alsastatedir}/oss/"
		cp "${ossfile}" "${alsastatedir}/oss/${device}"
	done

	eend 0
}

start() {
	if [ "${RESTORE_ON_START}" = "yes" ]; then
		restore
	fi

	return 0
}

stop() {
	if [ "${SAVE_ON_STOP}" = "yes" ]; then
		save
	fi
	return 0
}

That's definitely longer than a systemd service, but you'd have to write an awful lot of them to be more code than all of systemd. Overall the entire /etc/init.d folder on my PC where all the init scripts even for the stuff I'm not using are stored is a grand total of 147.7 KiB. Not exactly an unmanageable amount of code, in my humble opinion.

[–] waitmarks 7 points 8 months ago (1 children)

Its certainly easier to read than most old init scripts and I can see why some distros and openbsd would pick it over systemd for more control. I'm not likely to pick a distro that uses it anytime soon, but i can see why some do.

[–] [email protected] 5 points 8 months ago

That's totally fair. I'm not some weird evangelist or anything. I just like options and think OpenRC is kinda neat. There's nothing wrong with systemd, and honestly it's more work using other options. Not for the actual init system, but for some of the other stuff systemd does. I've had to learn cron, and that has been... interesting. It feels like all of the documentation around cron just assumes you already know how cron works. I'm still not sure if I'm doing it right, but I've had a good time and my computer works, and really that's good enough for me.

[–] [email protected] -4 points 8 months ago

Almost looks like something taken from ASL linux.