debian/preinst

   1 #!/bin/sh -e
   2 # preinst script for blosxom
   3 # copyright 2007-2008 by Gerfried Fuchs <rhonda@debian.at>
   4 # Licenced in the same way as blosxom itself
   5
   6 rm_conffile() {
   7         PKGNAME="$1"
   8         CONFFILE="$2"
   9         if [ -e "$CONFFILE" ]; then
  10                 md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
  11                 old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE '{s/ obsolete$//;s/.* //p}\"`"
  12                 if [ "$md5sum" != "$old_md5sum" ]; then
  13                         echo "Obsolete conffile $CONFFILE has been modified by you."
  14                         echo "Saving as $CONFFILE.dpkg-bak ..."
  15                         mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
  16                 else
  17                         echo "Removing obsolete conffile $CONFFILE ..."
  18                         rm -f "$CONFFILE"
  19                 fi
  20         fi
  21 }
  22
  23
  24 # cleanup for old flavors that got installed by packages prior to 2.1.0
  25 case "$1" in
  26 install|upgrade)
  27         if dpkg --compare-versions "$2" le-nl "2.1.0-1"; then
  28                 for i in content_type.1993 content_type.html content_type.index \
  29                         date.1993  date.html  date.index \
  30                         foot.1993  foot.html  foot.index \
  31                         head.1993  head.html  head.index \
  32                         story.1993 story.html story.index ; do
  33                         rm_conffile blosxom "/etc/blosxom/flavours/$i"
  34                 done
  35         fi
  36         if [ -d /var/lib/blosxom/data/flavours ] ; then
  37                 cd /var/lib/blosxom/data/flavours
  38                 for i in content_type.1993 content_type.html content_type.index \
  39                         date.1993  date.html  date.index \
  40                         foot.1993  foot.html  foot.index \
  41                         head.1993  head.html  head.index \
  42                         story.1993 story.html story.index ; do
  43                         test ! -L $i || test ! -f $i || rm $i
  44                 done
  45         fi
  46 esac
  47
  48 exit 0