#!/bin/bash
#
# Move a new kernel, previously generated, into place
#
me=$(basename $0)

if [ $(id -u) -ne 0 ]; then
  print -u2 "$me: Error: Must be root to execute this command!"
  exit 1
fi

OS=$(/bin/uname -r | /usr/bin/cut -f2 -d.)

kernel_1_source=
kernel_2_source=
kernel_1_destination=
kernel_2_destination=

case "$OS" in
  10)
    kernel_1_source=/stand/build/vmunix_test
    kernel_2_source=/stand/build/system.SAM
    kernel_1_destination=/stand/vmunix
    kernel_2_destination=/stand/system
    ;;
  09)
    kernel_1_source=/etc/conf/hp-ux
    kernel_2_source=/etc/conf/dfile.SAM
    kernel_1_destination=/hp-ux
    kernel_2_destination=/etc/conf/dfile
    ;;
  *)
    print -u2 "$me: Error: Unable to determine OS level: $OS"
    exit 1
    ;;
esac

if [ -f $kernel_1_source -a -f $kernel_2_source ]; then
  answer=y
  print "New kernel found, move into place (Y/n)?\c"
  read answer
  if [ "$answer" = "y" -o "$answer" = "Y" ]; then
    print -u2 "Moving kernel into place..."
    mv $kernel_1_source $kernel_1_destination
    mv $kernel_2_source $kernel_2_destination
  else
    print "WARNING: kernel not moved into place!"
  fi

  answer=y
  print "Restart system (Y/n)?\c"
  read answer
  if [ "$answer" = "y" -o "$answer" = "Y" ]; then
    cd /
    /etc/shutdown -yr 0
  else
    print "System not restarted"
    exit
  fi
else
  print -u2 "$me: Error: Unable to find new kernel files:"
  print -u2 "\t$kernel_1_source"
  print -u2 "\t$kernel_2_source"
  exit 1
fi