preinst is in libdv-bin 1.0.0-6.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #!/bin/sh
set -e
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le-nl 1.0.0-5 ; then
test ! -L /usr/share/doc/libdv-bin || rm /usr/share/doc/libdv-bin
fi
;;
esac
exit 0
|