File: hal.postinst

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hal 0.4.7-3sarge1
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#! /bin/sh
# postinst script for hal
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
#
# quoting from the policy:
#     Any necessary prompting should almost always be confined to the
#     post-installation script, and should be protected with a conditional
#     so that unnecessary prompting doesn't happen if a package's
#     installation fails and the `postinst' is called with `abort-upgrade',
#     `abort-remove' or `abort-deconfigure'.

UDEVSEND="/sbin/udevsend"

do_udev() {
  # Synthesize events on block devices, so we know the permissions are setup
  # the right way 
  SYSFS="/sys"
  for i in /sys/block/* ; do
    # for each device
    ACTION=add DEVPATH=${i#${SYSFS}} ${UDEVSEND} block &

    for j in $i/* ; do
      if [ -f $j/dev ]; then
        ACTION=add DEVPATH=${j#${SYSFS}} ${UDEVSEND} block &
      fi
    done
  done
}

case "$1" in
  configure)
    if ! getent passwd hal >/dev/null; then 
      adduser --quiet --system --home /var/run/hal \
        --gecos "Hardware abstraction layer" --group hal
      # be sure that hal has access to cdrom and floppy devices.
      adduser --quiet hal floppy
      adduser --quiet hal cdrom
    fi
    # be sure the run dir is owned by the hal user
    chown hal:hal /var/run/hal 2>/dev/null || true

    if [ -f /etc/init.d/hal ]; then
      # handle upgrades
      mv /etc/init.d/hal /etc/dbus-1/event.d/
      update-rc.d hal remove
    fi
    if [ -x ${UDEVSEND} ] ; then
      do_udev;
    fi

    if [ -x /etc/init.d/dbus-1 ]; then
      invoke-rc.d dbus-1 restart || true
    fi
  ;;
  abort-upgrade|abort-remove|abort-deconfigure)
  ;;
  *)
    echo "postinst called with unknown argument \`$1'" >&2
    exit 1
  ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0