preinst is in qt4-qtconfig 4:4.8.7+dfsg-11.
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 | #!/bin/sh
set -e
case "$1" in
upgrade)
if dpkg --compare-versions $2 "<<" 4:4.8.5
then
update-alternatives --remove qtconfig "/usr/bin/qtconfig-qt4"
fi ;;
esac
|