...and my rc is becoming smarter (see changes in spark)
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120
bin/rc
120
bin/rc
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@ -1,6 +1,48 @@
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#!/bin/bash
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rc.hostname() { hostname "$cfg_hostname"; }
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# Functions
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rc.rescue() { exec "${cfg_rc_rescue_shell:-"$SHELL"}"; }
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rc.motd() {
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[[ -f "/etc/rc.motd" ]] && {
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while read; do
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printf "$REPLY"
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done < "/etc/rc.motd"
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}
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return 0
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}
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rc.mount() {
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local fs
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local fs_type
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local mountpoint
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local mount_options
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fs="$1"
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fs_type="$2"
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mountpoint="$3"
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mount_options="${4:-defaults}"
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mount "$1" -n -t "$2" -o "$mount_options" "$3"
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}
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rc.mount_misc() {
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mountpoint -q /proc || { rc.mount proc proc /proc; }
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mountpoint -q /dev || { rc.mount dev devtmpfs /dev; }
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}
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rc.parse_cmdline() {
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[[ -f "/proc/cmdline" ]] && {
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boot_cmdline=( $(</proc/cmdline) )
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}
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for i in "${boot_cmdline[@]}"; do
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case "$i" in
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init.single) rc.rescue;;
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esac
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done
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}
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rc.services_start() {
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local service_name start_mode
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@ -22,28 +64,68 @@ rc.services_start() {
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start_mode="${start_mode:-start}"
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case "$start_mode" in
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bg) "${cfg_initscripts_dir}/$service_name" start &;;
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watch) "${cfg_initscripts_dir}/$service_name" watch &;;
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start) "${cfg_initscripts_dir}/$service_name" start;;
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bg) service "$service_name" start &;;
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start) service "$service_name" start;;
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*) echo "Mode $start_mode not supported";;
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esac
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done
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}
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rc.services_stop() {
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echo "Stopping services..."
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local service_name
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for i in "${cfg_services[@]}"; do
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"${cfg_initscripts_dir}/$i" stop
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service_name="${i##*@}"; service_name="${service_name##*%}"
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service "$service_name" stop &>/dev/null &
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done
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wait
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}
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rc.stop_everything() {
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echo "Politely asking all processes to shut down..."
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/opt/sbase/bin/killall5 -s 15; sleep 3
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echo "Killing the remaning ones..."
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/opt/sbase/bin/killall5 -s 9
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}
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rc.unmount_everything() {
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echo "Unmounting filesystems..."
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umount -a
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}
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rc.remount_root() {
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echo "Remounting / read-only..."
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mount / -o remount,ro
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}
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rc.boot() {
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rc.mount_misc
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rc.hostname
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rc.modules
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rc.services_start
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wait
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rc.motd
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}
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rc.halt() {
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case "$action" in
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poweroff|shutdown) echo 'o' > /proc/sysrq-trigger;;
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halt) :;;
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reboot|*) echo 'b' > /proc/sysrq-trigger;;
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esac
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}
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rc.shutdown() {
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rc.services_stop
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rc.stop_everything
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rc.unmount_everything
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rc.remount_root
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echo "Halt complete."
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rc.halt
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}
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rc.hostname() {
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@ -56,15 +138,23 @@ rc.modules() {
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done
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}
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source "/etc/rc.conf"
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rc.main() {
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source "/etc/rc.conf"
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action="$1"
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action="${action:-boot}"
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action="${1:-boot}"
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case "$action" in
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boot)
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echo "Welcome to `uname -rs`"
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rc.boot
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;;
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shutdown) rc.shutdown;;
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esac
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case "$action" in
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boot)
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echo "Welcome to `uname -rs`"
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rc.boot
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;;
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poweroff|reboot|shutdown)
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rc.shutdown
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rc.halt
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;;
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esac
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}
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# Main part
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rc.main "$@"
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17
etc/rc.conf
17
etc/rc.conf
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@ -1,17 +1,12 @@
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# System-wide configuration
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export PATH='/usr/local/bin:/usr/bin'
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# Where to look for initscripts
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cfg_initscripts_dir='/etc/rc.d'
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export PATH='/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin'
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# Hostname
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cfg_hostname='changeme'
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# Services to start at boot time
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cfg_services+=( 'mount' 'udev' 'rc.local' ) # You probably do need these
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cfg_services+=( '@syslog-ng' '@crond' '@network' '@sshd' '@dbus' '@alsa' ) # Services starting with '@' start in background.
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# cfg_services+=( %agetty-tty{2..6} ) # Services starting with '%' are restarted if the die.
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# Services
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cfg_services+=( 'fsck' 'mount' 'udev' 'sysctl' 'rc.local' )
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cfg_services+=( agetty-tty{2..6} ) # Comment this if your init starts something on the ttys itself
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cfg_services+=( '@crond' '@network' '@dbus' '@alsa' ) # These start in parallel
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# Modules to be loaded at boot time. Most people don't need this
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#cfg_modules=( 'tun' )
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cfg_modules=( ) # Add modules you want to be loaded at boot time here
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