debian/ss-dev.preinst

   1 #!/bin/bash
   2
   3 # Abort on error.
   4 set -e
   5
   6 symlink_match()
   7 {
   8         local SYMLINK="$1"
   9         local SYMLINK_TARGET="$2"
  10
  11         [ "$(readlink "$SYMLINK")" = "$SYMLINK_TARGET" ] || \
  12         [ "$(readlink -f "$SYMLINK")" = "$SYMLINK_TARGET" ]
  13 }
  14
  15 SYMLINK=/usr/share/doc/ss-dev
  16 SYMLINK_TARGET=libss2
  17
  18 if [ "$1" = "install" -o "$1" = "upgrade" ] &&
  19    [ -n "$2" ] && [ -h "$SYMLINK" ] &&
  20    symlink_match "$SYMLINK" "$SYMLINK_TARGET"
  21 then
  22     mv -f "$SYMLINK" "${SYMLINK}.dpkg-backup"
  23 fi
  24
  25 #DEBHELPER#
  26
  27 exit 0