This file is indexed.

postinst is in systemd-cron 1.5.13-1.

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

if [ "$1" != configure ]; then
    exit 0
fi

# Add group for crontabs
getent group crontab > /dev/null 2>&1 || addgroup --system crontab

# Fixup crontab binary for new group 'crontab'.
if ! dpkg-statoverride --list /lib/systemd-cron/crontab_setgid > /dev/null ; then
    dpkg-statoverride --update --add root crontab 2755 /lib/systemd-cron/crontab_setgid
fi

# Remove leftover setgid bit from Vixie-cron
if dpkg-statoverride --list /usr/bin/crontab > /dev/null ; then
    dpkg-statoverride --remove /usr/bin/crontab
    chown root:root /usr/bin/crontab
    chmod 0755 /usr/bin/crontab
fi

# Fixup crontab , directory and files for new group 'crontab'
mkdir -p /var/spool/cron/crontabs
chown root:crontab /var/spool/cron/crontabs
chmod 1730 /var/spool/cron/crontabs
cd /var/spool/cron/crontabs
set +e
ls -1 | xargs -r -n 1 --replace=xxx  chown 'xxx:crontab' 'xxx'
ls -1 | xargs -r -n 1 chmod 600
set -e

# Automatically added by dh_installsystemd/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'cron.target' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'cron.target'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'cron.target' >/dev/null || true
	else
		# 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 'cron.target' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/11.1.6ubuntu1
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 'cron.target' >/dev/null || true
	fi
fi
# End automatically added section