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#!/bin/sh

set -e

case "${1}" in
	configure)
		# creating group
		if ! getent group netdata > /dev/null 2>&1
		then
			 groupadd --system netdata
		fi

		# creating user
		if ! getent passwd netdata > /dev/null 2>&1
		then
			useradd --system -g netdata --home-dir /var/lib/netdata --no-create-home netdata
			mkdir -p /var/lib/netdata
		fi

		# creating directory overrides
		for DIRECTORY in /var/cache/netdata /var/lib/netdata
		do
			mkdir -p "${DIRECTORY}"

			if ! dpkg-statoverride --list "${DIRECTORY}" > /dev/null 2>&1
			then
				dpkg-statoverride --update --add netdata netdata 0755 "${DIRECTORY}"
			fi
		done

		# handling plugin capabilities (or setuid as fallback)
		chown -R root:netdata /usr/lib/netdata/plugins.d
		setcap cap_dac_read_search,cap_sys_ptrace+ep /usr/lib/netdata/plugins.d/apps.plugin || \
			chmod 4754 /usr/lib/netdata/plugins.d/apps.plugin

		# handling log owner and permissions
		chown netdata:adm /var/log/netdata
		chmod 2750 /var/log/netdata
		;;

	abort-upgrade|abort-remove|abort-deconfigure)

		;;

	*)
		echo "postinst called with unknown argument \`${1}'" >&2
		exit 1
		;;
esac

#DEBHELPER#

exit 0