#!/bin/sh
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: bin/sde-reschedule-new
# Copyright (C) 2008 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

#Description: Reschedule updated packages from the builds

[ -n "$SDEROOT" ] ||
	export SDEROOT=$( cd "${0%/*}/.."; pwd -P )

. "$SDEROOT/lib/libsde.in"

reschedule_usage() {
	local progname=${0##*/}
	cat <<EOT
Usage:	${progname//-/ } [<options>] <config_1> ...

Supported Options:
	--deps|-D	every package depending on the others

	--any|-A	process any available config

	--dry-run|-n	don't really reschedule
	--soft|-s	don't remove the packages when rescheduling
EOT
}

shortopts='DAns'
longopts='help,deps,any,soft,dry-run'
options=$( getopt -o "$shortopts" -l "$longopts" -- "$@" )
if [ $? -ne 0 ]; then
	reschedule_usage
	exit -1
fi

# load new arguments list
eval set -- "$options"

reschedule_dependers=
reschedule_any=
reschedule_soft=
reschedule_dry=

reschedule_configs=

while [ $# -gt 0 ]; do
	case "$1" in
		--help)
			reschedule_usage
			exit 0 ;;

		--deps|-D)	reschedule_dependers=yes ;;
		--any|-A)	reschedule_any=yes ;;
		--soft|-s)	reschedule_soft=yes ;;
		--dry-run|-n)	reschedule_dry=yes ;;

		--)	shift; break ;;
		*)	echo_abort 1 "$1: Unknown argument, aborting."
	esac
	shift
done

. "$SDEROOT/lib/sde-config.in"
. "$SDEROOT/lib/sde-package.in"

# receives a list of sandboxes, and returns a list of unique packages involved
reschedule_packages_list()
{
	local x=
	for x; do
		( cd "$SDEROOT/$x/var/adm/packages" &&
		  ls -1d * ) 2> /dev/null
	done | sort -u
}

# compares the package's chksum on a given config/sandbox to the current
# and reschedule if it's different
#
reschedule_new()
{
	local pkg="$1" cksum1="$2" cksum2= config="$3" sandbox="$4"
	local pkgfile="$SDEROOT/$sandbox/var/adm/packages/$pkg"
	local dependers= x=

	if [ -s "$pkgfile" ]; then
		cksum2=$( grep -R '^\(ROCK Linux\|T2\|OpenSDE\) Package Source Checksum: ' \
				"$pkgfile" | cut -d: -f2 )

		if [ " $cksum1" != "$cksum2" ]; then
			if [ "$reschedule_dependers" = "yes" ]; then
				# TODO: Implement dependers detection

				dependers=
			fi

			for x in $pkg $dependers; do
				echo "$config: $x"

				if [ "$reschedule_dry" != "yes" ]; then
					if [ "$reschedule_soft" != "yes" ]; then
						mine -rf -R "$SDEROOT/$sandbox/" "$x"
					fi
					rm -f "$SDEROOT/$sandbox/var/adm"/*/?-$x.* 2> /dev/null
				fi
			done
		fi
	fi
}

# which configs?
#
if [ -n "$reschedule_any" ]; then
	reschedule_configs=$( config_list )

	[ -n "$reschedule_configs" ] || echo_abort 1 "No config found."
elif [ $# -eq 0 ]; then
	# try default
	set -- 'default'
fi

if [ -z "$reschedule_configs" ]; then
	for x; do
		if config_exists "$x"; then
			reschedule_configs="$reschedule_configs $x"
		else
			echo_warning "$x: Invalid config."
		fi
	done
fi

tuples=
sandboxes=
for x in $reschedule_configs; do
	y=$( config_id "$x" )
	if [ -z "$y" ]; then
		echo_warning "$x: Broken config."
	elif [ -d "$SDEROOT/build/$y/" ]; then
		tuples="$tuples $x:build/$y"
		sandboxes="$sandboxes build/$y"
	fi
done

for pkg in $( reschedule_packages_list $sandboxes ); do
	cksum1=$( sh $SDEROOT/lib/sde-package/pkgchksum.sh \
			`package_confdir $pkg` )

	for x in $tuples; do
		( reschedule_new $pkg $cksum1 ${x/:/ } ) &
	done
	wait
done