Personal Computer World 2009 February/PCWFEB09.iso/Software/Linux/Kubuntu 8.10/kubuntu-8.10-desktop-i386.iso/casper/filesystem.squashfs/var/lib/dpkg/info/ncurses-base.preinst

Text File | 2008-02-23 | 2KB | 49 lines

#! /bin/sh

# Make sure errors report (since we try to weed out potential spurious ones)
set -e

# ncurses 3.x used to look in /usr/lib/terminfo and /usr/lib/tabset, but
# since ncurses 4.x we've been creating compatibility symlinks in the
# postinst.  As of ncurses 5.4-9 we no longer create the symlinks, but
# we must continue to clean up the old symlinks until there has been
# a stable release not containing them.

if [ -L /usr/lib/terminfo ]; then
  rm -f /usr/lib/terminfo
fi
if [ -L /usr/lib/tabset ]; then
  rm -f /usr/lib/tabset
fi

# Versions of ncurses prior to 5.4-9 put terminfo entries in /etc/terminfo.
# We continue to search /etc/terminfo, but now we place no terminfo entries
# there; they go in /lib/terminfo.  Remove any unmodified terminfo entries
# from /etc/terminfo - we have to do this by hand, because they were
# formerly conffiles, so dpkg will preserve them.

rm_conffile() {
  CONFFILE="$1"

  if [ -e "$CONFFILE" ]; then
    md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
    old_md5sum="`sed -n -e \"/^Conffiles:/,/^[^ ]/{\\\\' $CONFFILE '{s/.* //;p}}\" /var/lib/dpkg/status`"
    if [ "$md5sum" = "$old_md5sum" ]; then
      echo "Removing obsolete conffile $CONFFILE ..."
      rm -f "$CONFFILE"
    fi
  fi
}

case "$1" in
install|upgrade)
  if test -n "$2" &&  dpkg --compare-versions "$2" lt "5.4-9"; then
    entries=$(find /etc/terminfo -mindepth 2 -maxdepth 2 -type f)
    for f in $entries; do rm_conffile "$f"; done
    dirs=$(find /etc/terminfo -type d -empty)
    for d in $dirs; do rmdir $d; done
  fi
esac