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Text File  |  2009-10-15  |  1.2 KB  |  55 lines
  1. #!/bin/sh -e
  2. # This script can be called in the following ways:
  3. #
  4. # Before the package is installed:
  5. #    <new-preinst> install
  6. #
  7. # Before removed package is upgraded:
  8. #    <new-preinst> install <old-version>
  9. #
  10. # Before the package is upgraded:
  11. #    <new-preinst> upgrade <old-version>
  12. #
  13. #
  14. # If postrm fails during upgrade or fails on failed upgrade:
  15. #    <old-preinst> abort-upgrade <new-version>
  16.  
  17.  
  18. # Prepare to remove a no-longer used conffile
  19. prep_rm_conffile()
  20. {
  21.     CONFFILE="$1"
  22.  
  23.     if [ -e "$CONFFILE" ]; then
  24.         md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
  25.         old_md5sum="`sed -n -e \"/^Conffiles:/,/^[^ ]/{\\\\' $CONFFILE '{s/ obsolete$//;s/.* //;p}}\" /var/lib/dpkg/status`"
  26.         if [ "$md5sum" != "$old_md5sum" ]; then
  27.             echo "Obsolete conffile $CONFFILE has been modified by you, renaming to .dpkg-bak"
  28.             mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
  29.     else
  30.         mv -f "$CONFFILE" "$CONFFILE".dpkg-obsolete
  31.     fi
  32.     fi
  33. }
  34.  
  35.  
  36. case "$1" in
  37.     install|upgrade)
  38.     # Upgrade from karmic development version
  39.     if dpkg --compare-versions "$2" lt-nl 0.6.3-7; then
  40.         prep_rm_conffile /etc/init/dbus-reconnect.conf
  41.     fi
  42.     ;;
  43.  
  44.     abort-upgrade)
  45.     ;;
  46.  
  47.     *)
  48.     echo "$0 called with unknown argument \`$1'" 1>&2
  49.     exit 1
  50.     ;;
  51. esac
  52.  
  53.  
  54. exit 0
  55.