This file is indexed.

postinst is in spf-tools-perl 2.9.0-2.

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

mode=$1

source_package=mail-spf-perl

case "$mode" in
  configure )
    prev_version=$2
    
    update-alternatives --install /usr/bin/spfquery spfquery      /usr/bin/spfquery.$source_package 100 \
        --slave /usr/share/man/man1/spfquery.1.gz   spfquery.1.gz /usr/share/man/man1/spfquery.$source_package.1p.gz
    update-alternatives --install /usr/sbin/spfd    spfd          /usr/sbin/spfd.$source_package    100 \
        --slave /usr/share/man/man8/spfd.8.gz       spfd.8.gz     /usr/share/man/man8/spfd.$source_package.8p.gz
    ;;
esac