postinst is in upower 0.99.7-2.
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.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | #!/bin/sh
set -e
# Automatically added by dh_systemd_enable/11.1.3ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if deb-systemd-helper debian-installed 'upower.service'; then
		# This will only remove masks created by d-s-h on package removal.
		deb-systemd-helper unmask 'upower.service' >/dev/null || true
		if deb-systemd-helper --quiet was-enabled 'upower.service'; then
			# Create new symlinks, if any.
			deb-systemd-helper enable 'upower.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 'upower.service' >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_systemd_start/11.1.3ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
		if [ -d /run/systemd/system ]; then
			systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'upower.service' >/dev/null || true
	fi
fi
# End automatically added section
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