core-agent-linux/debian/qubes-core-agent.postinst

#!/bin/bash

if [ "$0" == configure ]; then
        # ensure that hostname resolves to 127.0.1.1 resp. ::1 and that /etc/hosts is
        # in the form expected by qubes-sysinit.sh
        for ip in '127\.0\.1\.1' '::1'; do
                if grep -q "^${ip}\(\s\|$\)" /etc/hosts; then
                        sed -i "/^${ip}\s/,+0s/\(\s`hostname`\)\+\(\s\|$\)/\2/g" /etc/hosts
                        sed -i "s/^${ip}\(\s\|$\).*$/\0 `hostname`/" /etc/hosts
                else
                        echo "${ip} `hostname`" >> /etc/hosts
                fi
        done
        # remove hostname from 127.0.0.1 line (in debian the hostname is by default
        # resolved to 127.0.1.1)
        sed -i "/^127\.0\.0\.1\s/,+0s/\(\s`hostname`\)\+\(\s\|$\)/\2/g" /etc/hosts

        chown user:user /home_volatile/user
fi

echo "Updating Qubes AppMenu."
/usr/lib/qubes/qubes-trigger-sync-appmenus.sh

#DEBHELPER#