Pileus Git - mkinit/blob - src/mkinit

   1 #!/bin/sh
   2
   3 # Copyright (C) 2009 Andy Spencer
   4 # See ../COPYING for terms
   5
   6 function usage {
   7 cat - <<EOF
   8 usage: $0 [options] [command]
   9
  10 Options:
  11   -h,--help    Print usage information
  12   -t,--test    Fake all commands
  13
  14 Command:
  15   boot         Execute boot-up procedures
  16   halt         Execute shutdown procedures
  17   reload       Re-execute init process
  18   mk <rule>    Execute mk rule
  19   start|stop|restart|zap|status <service>
  20                Start,stop,restart,zap or query status of service
  21   eval <cmd>   Execute command in mkinit process
  22 EOF
  23 exit
  24 }
  25
  26 function runamk {
  27         [ "$TEST" ] && export P=true
  28         /usr/lib/plan9/bin/mk \
  29                 -f /etc/init.mk \
  30                 -i -k "$@"
  31 }
  32
  33 # Handle arguments
  34 TEMP=`getopt -n "$0" \
  35         --options     th \
  36         --longoptions test,help \
  37         -- "$@"`
  38 [ $? != 0 ] && usage
  39 eval set -- "$TEMP"
  40 while true; do
  41         [ "$TEST" ] && echo "\$1=$1"
  42         case "$1" in
  43         -h|--help   ) usage ;;
  44         -t|--test   ) TEST=true; shift ;;
  45         --          ) shift; cmd="$1";
  46                       shift; args="$@";
  47                       break ;;
  48         *           ) ;;
  49         esac
  50 done
  51 if [ "$TEST" ]; then
  52         echo "Options"
  53         echo "  test=$TEST"
  54         echo "  cmd=$cmd"
  55         echo "  args=$args"
  56 fi
  57
  58 # Main loop
  59 while true; do
  60         case "$cmd" in
  61         boot )
  62                 echo
  63                 echo "mkinit -- booting"
  64                 if runamk -a "$args" && ! [ "$TEST" ]; then
  65                         # booted successuflly, redirect input
  66                         echo "skipping redirect"
  67                         #pipe=/lib/mkinit/cmd
  68                         #[ -p pipe ] || mkfifo $pipe
  69                         #exec 0< $pipe
  70                 fi
  71                 ;;
  72         halt|reboot|poweroff )
  73                 echo "mkinit -- ${cmd}ing"
  74                 runamk "halt"
  75                 if [ "$args" -o "$cmd" = reboot -o "$cmd" = poweroff ]; then
  76                         # mk handles syncing and logging message
  77                         ${TEST:+echo} $cmd -ndf $args
  78                 fi
  79                 ;;
  80         restart )
  81                 if [ "$args" ]; then
  82                         echo "mkinit -- restarting $args"
  83                         runamk "stop-$args"
  84                         runamk "start-$args"
  85                 fi
  86                 ;;
  87         start|stop|zap|status )
  88                 if [ "$args" ]; then
  89                         echo "mkinit -- ${cmd}ing $args"
  90                         runamk "${cmd}-$args"
  91                 fi
  92                 ;;
  93         mk )
  94                 if [ "$args" ]; then
  95                         echo "mkinit -- running mk cmd [$args]"
  96                         runamk "$args"
  97                 fi
  98                 ;;
  99         reload )
 100                 exec /sbin/mkinit ${TEST:+"-t"}
 101                 ;;
 102         eval )
 103                 $args
 104                 ;;
 105         ?* )
 106                 echo "unknown command [$cmd $args]"
 107                 ;;
 108         esac
 109         read -e -p "mkinit> " cmd args
 110         history -s $cmd $args
 111 done