postinst is in minirok 2.1-1.
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
if [ "$1" = "configure" ]; then
    # This is needed so that KDE4 knows a rebuild of the icon cache is
    # in order. Without it, Minirok's icons won't be available. I poked
    # around to see if there was some dh_foo to automate this, but it
    # seems there is not. Cook it up ourselves for now. -- Dato, 2009-02-10
    touch "`kde4-config --expandvars --install icon`/hicolor"
fi
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