scripts/init.bash

   1 #!/usr/bin/bash
   2
   3 # no runlevels
   4 (($$ != 1)) && exit 0
   5
   6 msg() {
   7     local mesg="$1"; shift
   8     printf "${mesg}\n" "$@"
   9 }
  10
  11 die() {
  12     local mesg="$1"; shift
  13     printf "error: ${mesg}\n" "$@" >&2
  14     exit 1
  15 }
  16
  17 do_exit() {
  18     msg "stopping init";
  19     exit 0
  20 }
  21
  22 # lxc sends 48 for some reason with --kill instead of stopsignal
  23 trap do_exit SIGINT SIGTERM SIGHUP SIGPWR 48
  24
  25 msg "starting bash init... $*"
  26
  27 [[ -d "/proc/$$" ]] || mount -t proc proc /proc \
  28     || die 'unable to mount /proc'
  29
  30 hostname localhost || die 'unable to set hostname'
  31
  32 sleep infinity &
  33 wait