This file is indexed.

postinst is in powernap 2.21-0ubuntu1.

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

# Unconditionally overwrite config file, if upgrading from before 2.0 (syntax changed)
if [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.0; then
	cat /usr/share/powernap/config > /etc/powernap/config
fi

# can be removed after 16.04 LTS
DEFAULT_FILE=/etc/default/powernap
if [ -f ${DEFAULT_FILE}.enable ]; then
    deb-systemd-helper enable powernap.service >/dev/null || true
    if [ -d /run/systemd/system ]; then
        systemctl daemon-reload || true
        deb-systemd-invoke start powernap.service >/dev/null || true
    fi
    sed -i 's/manual//' /etc/init/powernap.override 2>/dev/null || true
    if [ `stat -c%s /etc/init/powernap.override` -eq 0 ]; then
        rm -f /etc/init/powernap.override
    fi
    rm -f ${DEFAULT_FILE}.enable
else
    # as we don't have any daemon-reload run done (due to --no-enable --no-start), do it now
    [ -d /run/systemd/system ] && systemctl daemon-reload || true
fi

# Automatically added by dh_systemd_enable
if deb-systemd-helper debian-installed powernap.service; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask powernap.service >/dev/null || true

	if deb-systemd-helper --quiet was-enabled powernap.service; then
		# Create new symlinks, if any.
		deb-systemd-helper enable powernap.service >/dev/null || true
	fi
fi

# Update the statefile to add new symlinks (if any), which need to be cleaned
# up on purge. Also remove old symlinks.
deb-systemd-helper update-state powernap.service >/dev/null || true
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/powernap" ]; then
	update-rc.d powernap defaults >/dev/null
fi
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/default/powernap 2.19~ -- "$@"
# End automatically added section


exit 0