#!/bin/sh -
#
#   This script collects a list of ports that require updating
#   (i.e. the version in /usr/ports is newer than the one that
#   is currently installed), and then adds all of the ports that
#   depend on them.  Then the complete list is printed, ordered
#   by dependencies, so that you should be able to update your
#   ports in that order.
#
#   Important:  This script requiresd the "portorder" script,
#               written by the same author.
#
#   Howto:
#
#   1.  Update your ports collection:
#       a.  Make a copy of /usr/share/examples/cvsup/ports-supfile
#           and edit it to include a CVSUP server near to your
#           location.  See www.freebsd.org for a list of CVSUP
#           servers all over the world.
#       b.  Type as root:
#              csup my-ports-supfile
#       c.  Optionally, download a fresh ports index (as root):
#              cd /usr/ports; make fetchindex
#
#       Alternatively, you can download the full ports collection
#       from ftp.freebsd.org (or many of the FTP mirrors all over
#       the world) from /pub/FreeBSD/ports/ports/ports.tar.gz
#       (it is built once per day).  This is especially useful if
#       you don't have the ports collection installed at all,
#       because it is more efficient than running csup on an empty
#       directory.  This is how to download and install it:
#          cd /tmp
#          fetch ftp://ftp.freebsd.org/pub/FreeBSD/ports/ports/ports.tar.gz
#          cd /usr
#          rm -rf ports
#          tar xzf /tmp/ports.tar.gz
#       Optionally, download a ports index (see above).
#
#   2.  Run this script to make a list for updating your ports
#       (this doesn't require root privilege):
#          ports-update-list > ports-todo.txt
#
#   3.  Use the "portup" script (written by the same author) to
#       perform the actual updates (as root):
#          awk '{print $1}' ports-todo.txt | xargs portup -y
#       (The awk command is required to cut the first column from
#       the file.)  Please refer to the included documentation
#       of the "portup" script.
#

STATUSPKG=/etc/periodic/weekly/400.status-pkg
PORTORDER=portorder

$STATUSPKG 2>&1 \
| grep 'needs updating' \
| $PORTORDER \
| tail -r \
| while read PKG REST; do
	case "$REST" in
		"needs updating"*)
			echo "$PKG $REST"
			pkg_info -R $PKG | grep '^[^ ]*-'
		;;
	esac
done \
| sort -k1,1 -u \
| $PORTORDER

#--