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#!/usr/bin/openrc-run
# Copyright 2018-2019 Robert Alessi
# Distributed under the terms of the GNU General Public License v2

description="Removes whining noise from Thinkpads X200, powers off the wifi on shutdown and optionally backups directories."

x200_cmdfreq="/usr/bin/intel_reg"
pwmfreq="${PWMFREQ_RATE}"

x200_cmdfreq_args="write 0x00061254 $pwmfreq"

extra_started_commands="initbackup refresh"

autobackup="${conf_autobackup}"
backup_path="${conf_backup_path}"
control_file="${conf_control_file}"
if [ $use_rsnapshot = "true" ]
then
    backup_cmd="/usr/bin/rsnapshot"
    backup_args="${rsnapshot_args}"
else
    backup_cmd="/usr/bin/rsync"
    backup_args="-aAX --relative --delete --quiet"
fi

depend() {
    need localmount
    before net
}

set_pwmfreq() {
    if [ $is_thinkpad_x200 = "yes" ]
    then
	exec $x200_cmdfreq $x200_cmdfreq_args 2>/dev/null
    fi
}

do_listofpackages() {
    /usr/bin/pacman -Qqetn > "$backup_path"/pkglist.txt
    /usr/bin/pacman -Qqem > "$backup_path"/foreignpkglist.txt
}

do_backup() {
    if [ $autobackup = "true" ]
    then
	if [ -e "$backup_path"/"$control_file" ]
	then
	    do_listofpackages
	    if [ $use_rsnapshot = "true" ]
	    then
		$backup_cmd $backup_args
	    else
		for dir in "${conf_backup_dirs[@]}"
		do
		    if [ -d "$dir" ]
		    then
			$backup_cmd $backup_args "$dir" "$backup_path"
		    fi
		done
	    fi
	fi
    fi
}

do_privacy() {
    if [ $enable_privacy = "true" ]
    then
	if [ -n "${wired_interface}" ]
	then
	    rm -rf /etc/dhcpcd.duid
	    /sbin/macchanger -r $wired_interface
	fi
    fi
}

refresh() {
    set_pwmfreq
}

initbackup() {
    do_backup
}

start() {
    if [ "${RC_CMD}" = "restart" ]
    then
	/usr/sbin/rfkill block all
    else
	do_privacy
    fi
    /usr/sbin/rfkill block all
    set_pwmfreq
}

stop() {
    /usr/sbin/rfkill block all
    do_backup
}