#! /bin/sh

set -e

NAME=xxPACKAGExx
VERSION=xxDEBVERxx

case "$1" in
    configure)
      # If we are on karmic, we need to use the karmic specific source file
      c_src=/usr/src/$NAME-$VERSION/cp210x.c
      if [ -f $c_src -a "$(lsb_release -cs)" = "karmic" ]; then
	mv $c_src.karmic $c_src
      fi

      # Unload old cp210x modules, if in use
      modprobe -rq cp2101 || true
      modprobe -rq cp210x || true

      # Determine current arch / kernel
      c_arch=`uname -m`
      c_kern=`uname -r`

      if [ -e "/var/lib/dkms/$NAME/$VERSION" ]; then
         echo "Removing old $NAME-$VERSION DKMS files..."
         dkms remove -m $NAME -v $VERSION --all
      fi

      echo "Loading new $NAME-$VERSION DKMS files..."
      if [ -f "/usr/src/$NAME-$VERSION.dkms.tar.gz" ]; then
          dkms ldtarball --archive "/usr/src/$NAME-$VERSION.dkms.tar.gz"
      else
          dkms add -m $NAME -v $VERSION
      fi

      echo "Installing prebuilt kernel module binaries (if any)"
      set +e
      IFS='
'
      for kern in `dkms status -m $NAME -v $VERSION -a $c_arch | grep ": built" | awk {'print $3'} | sed 's/,$//'`; do
         echo "Trying kernel: $kern"
         dkms install --force -m $NAME -v $VERSION -k $kern -a $c_arch
      done
      unset IFS
      set -e

      # If none installed, install.
      ##if [ `dkms status -m $NAME -v $VERSION -k $c_kern -a $c_arch | grep -c ": installed"` -eq 0 ]; then
      dkms_status=`dkms status -m $NAME -v $VERSION -k $c_kern -a $c_arch`
      if [ `echo $dkms_status | grep -c ": installed"` -eq 0 ]; then
         if [ `echo $c_kern | grep -c "BOOT"` -eq 0 ] && [ -e "/lib/modules/$c_kern/build/include" ]; then
            # Only build if we need to.
            if [ `echo $dkms_status | grep -c ": built"` -eq 0 ]; then
               echo "Building module..."
               dkms build -m $NAME -v $VERSION
            fi
            echo "Installing module..."
            dkms install -m $NAME -v $VERSION
         elif [ `echo $c_kern | grep -c "BOOT"` -gt 0 ]; then
            echo ""
            echo "Module build for the currently running kernel was skipped since you"
            echo "are running a BOOT variant of the kernel."
         else
            echo ""
            echo "Module build for the currently running kernel was skipped since the"
            echo "kernel source for this kernel does not seem to be installed."
         fi
      fi
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

#DEBHELPER#

exit 0