#!/bin/sh
# This script updates your e17 installation.
# Customize the _EBUILDS variable to specify which packages to update.

## Script setup
# Select package manager, emerge or paludis:
PACKAGE_MANAGER="emerge"

# Guys stop messing with the order of the libs -_-
# Minimal -- emerge e gets you this in the wrong order
_EBUILDS=( dev-libs/eet dev-db/edb x11-libs/evas x11-libs/ecore dev-libs/efreet 
dev-libs/embryo media-libs/edje media-libs/emotion media-libs/imlib2 
media-libs/epeg media-libs/epsilon x11-libs/ewl x11-libs/e_dbus x11-wm/e 
# few more usefull apps, also only add programs after this line 
# unless you know what you are doing.
#x11-libs/esmart x11-misc/entrance x11-terms/enterminus
)

# 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 (memory is allocated only when needed).
_TMPFS_SIZE=512

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



if [ -x "/sbin/functions.sh" ]; then
    . /sbin/functions.sh
elif [ -x "/lib/rcscripts/sh/functions.sh" ]; then
    . /lib/rcscripts/sh/functions.sh
fi

trap "exit_hdlr $?" SIGHUP SIGINT SIGTERM SIGQUIT SIGABRT

layman --sync=enlightenment

_FAIL_FLAG="0"
_FAIL_LIST=""

# mounts tmpfs on ${WORKING_DIR} with user specificied size
function mount_tmpfs(){
	if (($_MNT_TMPFS == 0)); then return 0; fi
	if [ -z "$(mount|grep ${WORKING_DIR})" ]; then
		mount -t tmpfs tmpfs ${WORKING_DIR} -o size=${_TMPFS_SIZE}M && einfo "mounting ramdisk of size ${_TMPFS_SIZE}MB on ${WORKING_DIR}";
		if [ -z "$(mount|grep ${WORKING_DIR})" ]; then einfo "mounting of tmpfs failed...   continuing with ordinary emerge"; fi
	else
		einfo "${WORKING_DIR} 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 ${WORKING_DIR})" ]; then
		einfo "unmounting tmpfs" 
		if ! umount ${WORKING_DIR}; 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: \e[36;01mSKIP=$((_CNT-1)) $0\e[0m"
		fi
	fi
	if [ -z "$_FAIL_LIST" ]; then
		einfo "All packages successfully emerged."
	else
		eerror "The following packages failed on emerge: \e[31;01m$_FAIL_LIST\e[0m"
	fi
	umount_tmpfs
	exit ${1}
}

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

case "${PACKAGE_MANAGER}" in
	"emerge" )
	EMERGE="/usr/bin/emerge"
	WORKING_DIR="/var/tmp/portage"
	;;
	"paludis" )
	EMERGE="/usr/bin/paludis -i"
	WORKING_DIR="/var/tmp/paludis"
	;;
esac

# 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

mount_tmpfs

_CNT=0
for package in ${_EBUILDS[*]}; do
	_FAIL_FLAG=0
	let "_CNT++"
	if (($_CNT <= $SKIP)); then continue; fi
		einfo "Compiling \e[32;01m$package\e[0m (\e[33;01m$_CNT out of ${#_EBUILDS[*]}\e[0m)"
		compile ${package}
		if [ "$_FAIL_FLAG" == "0" ]; then
			ewarn "emerge of \e[33;01m$package\e[0m failed... retrying once"
		sleep 3
		# Try with an older automake (known issue)
		E17_WANT_AUTOMAKE=1.9 compile $package
		if [ "$_FAIL_FLAG" == "0" ]; then
			eerror "emerge of \e[31;01m$package\e[0m failed again...     bailing out"
			if [ -x /usr/bin/beep ]; then /usr/bin/beep -r 3 -d 50; fi
			_FAIL_LIST="${_FAIL_LIST} $package"
		fi
	fi
	echo ""
	sleep 3
done

exit_hdlr 0