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#!@BASH_PATH@
# vim: ft=zsh
# Functions
rc.rescue() { exec "${cfg_rc_rescue_shell:-"$SHELL"}"; }
rc.motd() {
[[ -f "/etc/rc.motd" ]] && {
while read; do
printf "%s\n" "$REPLY"
done < "/etc/rc.motd"
}
return 0
}
rc.tmpfiles() {
printf '%s\n' "${cfg_tmpdirs[@]}" | while IFS=':' read dir perm own grp; do
mkdir -pm "${perm:-755}" "$dir"
chown -c "${own:-root}:${grp:-root}" "$dir"
done
printf '%s\n' "${cfg_tmpfiles[@]}" | while IFS=':' read file perm own grp; do
> "$file"
chmod -c "${perm:-644}" "$file"
chown -c "${own:-root}:${grp:-root}" "$file"
done
}
rc.mount() {
for fs in "${cfg_mounts[@]}"; do
echo "$fs" | while IFS=':' read device fs_type mountpoint mount_options; do
if mountpoint -q "$mountpoint"; then
if [[ "$mount_options" ]]; then
mount -o "remount,$mount_options" "$mountpoint"
fi
else
if ! [[ -d "$mountpoint" ]]; then
mkdir -p "$mountpoint"
fi
if ! [[ "$mount_options" ]]; then
mount_options='defaults'
fi
mount "$device" -n -t "$fs_type" -o "$mount_options" "$mountpoint"
fi
done
done
}
rc.parse_cmdline() {
[[ -f "/proc/cmdline" ]] && {
boot_cmdline=( $(</proc/cmdline) )
}
for i in "${boot_cmdline[@]}"; do
case "$i" in
init.single) rc.rescue;;
esac
done
}
rc.services_start() {
local service_name start_mode
for i in "${cfg_services[@]}"; do
unset service_name
[[ "$i" =~ ^@ ]] && {
service_name="${i##*@}"
start_mode='bg'
}
[[ "$i" =~ ^% ]] && {
service_name="${i##*%}"
start_mode='watch'
}
service_name=${service_name:-$i}
start_mode="${start_mode:-start}"
case "$start_mode" in
bg) service "$service_name" start &;;
start) service "$service_name" start;;
*) echo "Mode $start_mode not supported";;
esac
done
}
rc.services_stop() {
echo "Stopping services..."
local service_name
for i in "${cfg_services[@]}"; do
service_name="${i##*@}"; service_name="${service_name##*%}"
service "$service_name" stop &>/dev/null &
done
wait
}
rc.stop_everything() {
echo "Politely asking all processes to shut down..."
killall5 -s 15 -w "$cfg_killall5_timeout"
echo "Killing the remaning ones..."
killall5 -s 9
}
rc.unmount_everything() {
echo "Unmounting filesystems..."
umount -r -a
}
rc.remount_root() {
echo "Remounting / read-only..."
mount / -o remount,ro
}
rc.boot() {
(( cfg_early_fsck )) && rc.fsck
rc.mount
rc.tmpfiles
rc.hostname
rc.timezone
rc.modules
rc.services_start
wait
rc.motd
}
rc.halt() {
if type -P halt &>/dev/null; then
function rc.halt_poweroff { halt -p; }
function rc.halt_reboot { halt -r; }
elif (( $(</proc/sys/kernel/sysrq) )); then
function rc.halt_poweroff { echo 'o' > /proc/sysrq-trigger; }
function rc.halt_reboot { echo 'b' > /proc/sysrq-trigger; }
else
printf 'Cannot halt, please install halt from suckless.org ubase or enable sysrq.\n'
return 1
fi
case "$action" in
halt) :;;
poweroff|shutdown) rc.halt_poweroff;;
reboot|*) rc.halt_reboot;;
esac
}
rc.sync() {
echo "Syncing disks."
sync
}
rc.shutdown() {
rc.services_stop
rc.stop_everything
rc.sync
rc.unmount_everything
rc.remount_root
echo "Halt complete."
rc.halt
}
rc.hostname() {
[[ -f '/etc/hostname' ]] && { hostname "$(</etc/hostname)"; }
[[ "$cfg_hostname" ]] && { hostname "$cfg_hostname"; }
}
rc.modules() {
for i in "${cfg_modules[@]}"; do
modprobe "$i"
done
}
rc.timezone() {
[[ "$cfg_timezone" ]] && {
ln -fs "/usr/share/zoneinfo/${cfg_timezone}" /etc/localtime
}
}
rc.fsck() {
declare root_rw=0
touch /rc-write-test && root_rw=1
(( root_rw )) && mount -o remount,ro /
fsck -A -C -p
(( root_rw )) && mount -o remount,rw /
}
rc.main() {
source "@ETC@/rc.conf"
# Default XDG_RUNTIME_DIR for all non-system users
# rtkit:x:133:133:RealtimeKit:/proc:/sbin/nologin
# Also add one for root
cfg_tmpdirs+=( "/run/user/0:700:0:0" )
while IFS=':' read -r _ _ uid gid _; do
if (( uid >= 1000 )); then
cfg_tmpdirs+=( "/run/user/$uid:700:$uid:$gid" )
fi
done < /etc/passwd
action="${1:-boot}"
case "$action" in
boot)
echo "Welcome to $(uname -rs)"
rc.boot
;;
poweroff|reboot|shutdown|halt)
rc.shutdown
;;
esac
}
# Main part
rc.main "$@"