#!/bin/sh
# This script tries twice to emerge all necessary packages for kde4


## Script setup

EMERGE="emerge"



_EBUILDS=( boost app-crypt/qca app-text/poppler app-text/poppler-bindings taglib strigi qimageblitz soprano  kdelibs kdepimlibs kdebase plasma-extras kdemultimedia kdeutils
 
)

# Activate this flag to speed-up your compile time (http://gentoo-wiki.com/TIP_Speeding_up_portage_with_tmpfs)
# (Note that you need to have alot of RAM)
_MNT_TMPFS=0
# Size of tmpfs in MB.
_TMPFS_SIZE=512

# for baselayout 1*:
. /sbin/functions.sh
# for baselayout 2*:
#. /lib/rcscripts/sh/functions.sh

## You should not have to edit below this line.

trap "exit_hdlr $?" SIGHUP SIGINT SIGTERM SIGQUIT SIGABRT



_FAIL_FLAG="0"
_FAIL_LIST=""

# mounts tmpfs on /var/tmp/portage with user specificated size
function mount_tmpfs(){
	if (($_MNT_TMPFS == 0)); then return 0; fi
	if [ -z "$(mount|grep /var/tmp/portage)" ]; then
		mount -t tmpfs tmpfs /var/tmp/portage -o size=${1}M && einfo "mounting ramdisk of size ${1}MB on /var/tmp/portage";
		if [ -z "$(mount|grep /var/tmp/portage)" ]; then einfo "mounting of tmpfs failed...   continuing with ordinary emerge"; fi
	else
		einfo "/var/tmp/portage was already mounted... leaving unchanged."
		_MNT_TMPFS=0    # prevent the script from unmounting it in the end
	fi
}
function umount_tmpfs(){
	if (($_MNT_TMPFS == 0)); then return 0; fi
	if [ ! -z "$(mount|grep /var/tmp/portage)" ]; then
		einfo "unmounting tmpfs" 
		if ! umount /var/tmp/portage; then eerror "Failed to unmount tmpfs"; fi
	fi
}
function compile(){
	${EMERGE} ${1} && _FAIL_FLAG="1"
}
function exit_hdlr() {
	echo ""
	if (($_CNT < ${#_EBUILDS[*]})); then
		if (($_CNT > 1)); then
			einfo "Update aborted. To resume, run: SKIP=$((_CNT-1)) $0"
		fi
	fi
	if [ -z "$_FAIL_LIST" ]; then
		einfo "All packages successfully emerged."
	else
		eerror "The following packages failed on emerge: $_FAIL_LIST"
	fi
	umount_tmpfs
	exit ${1}
}

# the value passed to mount_tmpfs is the size of the tmpfs
mount_tmpfs ${_TMPFS_SIZE}

if [ "$1" == "debug" ]; then
	DEBUG="USE=\"$USE debug\" FEATURES=\"$FEATURES nostrip\""
fi

# use the SKIP variable to skip the first packages (e.g. SKIP=20 ./e17update.sh)
if [ ! -z "$SKIP" ]; then
	einfo "Skipping $SKIP ebuilds..."
else
	SKIP=0
fi

_CNT=0
for package in ${_EBUILDS[*]}; do
	_FAIL_FLAG=0
	let "_CNT++"
	if (($_CNT <= $SKIP)); then continue; fi
		einfo "Compiling $package ($_CNT out of ${#_EBUILDS[*]})"
		compile ${package}
		if [ "$_FAIL_FLAG" == "0" ]; then
			ewarn "emerge of $package failed... retrying once"
		sleep 3
		# Try with an older automake (known issue)
		if [ "$_FAIL_FLAG" == "0" ]; then
			eerror "emerge of $package failed again...     bailing out"
			if [ -x /usr/bin/beep ]; then /usr/bin/beep -r 3 -d 50; fi
			_FAIL_LIST="${_FAIL_LIST} $package"
		fi
	fi
	echo ""
	sleep 3
done

exit_hdlr 0