This file is indexed.

preinst is in fp-compiler-2.4.4 2.4.4-3.1.

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.

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#! /bin/sh

set -e

# Remove fpc from pc alternative if buggy 2.0.0-{1,2} versions are upgraded

if [ "$1" = "upgrade" ] && [ "$2" = "2.0.0-1" ] || [ "$2" = "2.0.0-2" ]; then
    update-alternatives --remove pc /usr/bin/fpc
fi

# Debhelper code