Re: [patch] install initscript in udev rpm

["Marco d'Itri" <md@Linux.IT>]

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On Dec 17, Greg KH <greg@kroah.com> wrote:

 >> Actually I would be *very* surprised if the init script I wrote for
 >> debian (which I sent you a few weeks ago) did not work with every
 >> distribution.
 >Can you resend it?  I don't seem to be able to find it anymore.

Here it is.
There is a bug I have not fixed yet (it breaks if /sys/class/video4linux/
does not exist).

-- 
ciao, |
Marco | [3649 grArswY7ca0qI]

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#!/bin/sh -e

PATH=/sbin:/bin:/usr/sbin:/usr/bin

UDEV=/sbin/udev

[ -x $UDEV -a -e /proc/sys/kernel/hotplug ] || exit 0
[ -c /dev/.devfsd ] && exit 0

case "$(uname -r)" in
  2.[01234].*)
    echo "udev requires a 2.6.x kernel, not started."
    exit 0
    ;;
esac

mount_sysfs() {
  [ -d /sys ] || mkdir /sys
  [ -d /sys/class ] || mount -t sysfs sysfs: /sys
}

synthesize_events() {
  echo -n "Creating initial udev device nodes..."
  export ACTION=add
  # add tty devices
  for i in /sys/class/tty/* /sys/class/video4linux/*; do
    export DEVPATH=${i#/sys}
#    echo -n " $DEVPATH"
    $UDEV tty
  done
  # add block devices and their partitions
  for i in /sys/block/*; do
    export DEVPATH=${i#/sys}
#    echo -n " $DEVPATH"
    $UDEV block
    for j in $i/*; do
      [ -f "$j/dev" ] || continue
      export DEVPATH=${j#/sys}
#      echo -n " $DEVPATH"
      $UDEV block
    done
  done
  echo "done."
  return 0
}

case "$1" in
  start|restart|force-reload)
    [ -d /udev ] || mkdir /udev
    mount_sysfs
    synthesize_events
    if [ "$(cat /proc/sys/kernel/hotplug)" = "/sbin/hotplug" ]; then
      :
    else
      echo $UDEV > /proc/sys/kernel/hotplug
      echo "/dev management daemon (udev) enabled."
    fi
    ;;
  stop)
    if [ "$(cat /proc/sys/kernel/hotplug)" = "$UDEV" ]; then
      echo /bin/true > /proc/sys/kernel/hotplug
      echo "/dev management daemon (udev) disabled."
    fi
    ;;
  *)
    echo "Usage: /etc/init.d/udev {start|stop|restart|force-reload}"
    exit 1
    ;;
esac

exit 0