debian/comerr-dev.preinst

   1 #!/bin/sh
   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/comerr-dev
  16 SYMLINK_TARGET=libcomerr2
  17 SYMLINK_TARGET2=libcom-err2
  18
  19 if [ "$1" = "install" -o "$1" = "upgrade" ] &&
  20    [ -n "$2" ] && [ -h "$SYMLINK" ]
  21 then
  22     if symlink_match "$SYMLINK" "$SYMLINK_TARGET" ||
  23        symlink_match "$SYMLINK" "$SYMLINK_TARGET2"
  24     then
  25         mv -f "$SYMLINK" "${SYMLINK}.dpkg-backup"
  26     fi
  27 fi
  28
  29 #DEBHELPER#
  30
  31 exit 0