# $Header: /magellan-cvs/mage/include/xorg.minc,v 1.10 2008/01/29 10:22:08 niro Exp $
# xorg global smage2 functions

# check if old <=Xorg-6.9 is installed; aborts installation
is_old_xorg_installed()
{
	local RED="\033[1;6m\033[31m"
	local DEF="\033[0m"

	if [ -e ${MROOT}/usr/X11R6 ] && [[ $(readlink ${MROOT}/usr/X11R6) != ../usr ]]
	then
		echo
		echo -e ${RED}" !!! Remove all old <=xorg-6.9 installations first."${DEF}
		echo -e ${RED}" !!! You also need to check all packages which are installed to /usr/X11R6"${DEF}
		echo

		# print a pkg list if magequery supports this
		if [[ -n $(${MROOT}/sbin/magequery -h | grep -- -f) ]]
		then
			echo "Please check following packages:"
			${MROOT}/sbin/magequery -f /usr/X11R6 | while read pkg
			do
				echo -e " ${RED}*${DEF} ${pkg}"
			done
			echo
		fi

		die "${MROOT}/usr/X11R6 directory exists ..."
	fi
}

xorg_cleanup_fonts()
{
	local ALLOWED_FILES="encodings.dir fonts.cache-1 fonts.dir fonts.scale"

	for DIR in ${FONT_DIR}
	do
		unset KEEP_FONTDIR
		REAL_DIR=${MROOT}/usr/share/fonts/${DIR}

		echo "Checking ${REAL_DIR} for useless files"
		pushd ${REAL_DIR} &> /dev/null
		for FILE in *
		do
			unset MATCH
			for ALLOWED_FILE in ${ALLOWED_FILES}
			do
				if [[ ${FILE} = ${ALLOWED_FILE} ]]
				then
					# If it's allowed, then move on to the next file
					MATCH="yes"
					break
				fi
			done
			# If we found a match in allowed files, move on to the next file
			if [[ -n ${MATCH} ]]
			then
				continue
			fi
			# If we get this far, there wasn't a match in the allowed files
			KEEP_FONTDIR="yes"
			# We don't need to check more files if we're already keeping it
			break
		done
		popd &> /dev/null
		# If there are no files worth keeping, then get rid of the dir
		if [[ -z "${KEEP_FONTDIR}" ]]
		then
			rm -rf ${REAL_DIR}
		fi
	done
}

xorg_setup_fonts()
{
	if [[ ! -n "${FONT_DIRS}" ]]
	then
		msg="FONT_DIRS is empty. The ebuild should set it to at least one subdir of /usr/share/fonts."
		echo "${msg}"
		die "${msg}"
	fi

	xorg_create_fonts_scale
	xorg_create_fonts_dir
	xorg_fix_font_permissions
	xorg_create_font_cache
}

xorg_discover_font_dirs()
{
	local DB_ENTRY="${BUILDDIR}/${PKGNAME}/binfiles"

	pushd ${DB_ENTRY}/usr/share/fonts &> /dev/null
	FONT_DIRS="$(find . -maxdepth 1 -mindepth 1 -type d)"
	FONT_DIRS="$(echo ${FONT_DIRS} | sed -e 's:./::g')"
	popd &> /dev/null
}

xorg_create_fonts_scale()
{
	echo "Creating fonts.scale files"

	local x
	for FONT_DIR in ${FONT_DIRS}
	do
		x=${MROOT}/usr/share/fonts/${FONT_DIR}
		[[ -z "$(ls ${x}/)" ]] && continue
		[[ "$(ls ${x}/)" = "fonts.cache-1" ]] && continue

		# Only generate .scale files if truetype, opentype or type1
		# fonts are present ...

		# First truetype (ttf,ttc)
		# NOTE: ttmkfdir does NOT work on type1 fonts (#53753)
		# Also, there is no way to regenerate Speedo/CID fonts.scale
		# <spyderous@gentoo.org> 2 August 2004
		if [[ "${x/encodings}" = "${x}" ]] \
			&& [[ -n "$(find ${x} -iname '*.tt[cf]' -print)" ]]
		then
			if [[ -x ${MROOT}/usr/bin/ttmkfdir ]]
			then
				LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${MROOT}/usr/$(mlibdir)" \
				${MROOT}/usr/bin/ttmkfdir -x 2 \
					-e ${MROOT}/usr/share/fonts/encodings/encodings.dir \
					-o ${x}/fonts.scale -d ${x}
				# ttmkfdir fails on some stuff, so try mkfontscale if it does
				local ttmkfdir_return=$?
			else
				# We didn't use ttmkfdir at all
				local ttmkfdir_return=2
			fi
			if [[ ${ttmkfdir_return} -ne 0 ]]
			then
				LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${MROOT}/usr/$(mlibdir)" \
				${MROOT}/usr/bin/mkfontscale \
					-a /usr/share/fonts/encodings/encodings.dir \
					-- ${x}
			fi
		# Next type1 and opentype (pfa,pfb,otf,otc)
		elif [[ "${x/encodings}" = "${x}" ]] \
			&& [[ -n "$(find ${x} -iname '*.[po][ft][abcf]' -print)" ]]
		then
			LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${MROOT}/usr/$(mlibdir)" \
			${MROOT}/usr/bin/mkfontscale \
				-a ${MROOT}/usr/share/fonts/encodings/encodings.dir \
				-- ${x}
		fi
	done
}

xorg_create_fonts_dir()
{
	echo "Generating fonts.dir files"
	for FONT_DIR in ${FONT_DIRS}
	do
		x=${MROOT}/usr/share/fonts/${FONT_DIR}
		[[ -z "$(ls ${x}/)" ]] && continue
		[[ "$(ls ${x}/)" = "fonts.cache-1" ]] && continue

		if [[ "${x/encodings}" = "${x}" ]]; then
			LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${MROOT}/usr/$(mlibdir)" \
			${MROOT}/usr/bin/mkfontdir \
				-e ${MROOT}/usr/share/fonts/encodings \
				-e ${MROOT}/usr/share/fonts/encodings/large \
				-- ${x}
		fi
	done
}

xorg_fix_font_permissions()
{
	echo "Fixing permissions"
	for FONT_DIR in ${FONT_DIRS}
	do
		find ${MROOT}/usr/share/fonts/${FONT_DIR} -type f -name 'font.*' \
			-exec chmod 0644 {} \;
	done
}

xorg_create_font_cache()
{
	# danarmak found out that fc-cache should be run AFTER all the above
	# stuff, as otherwise the cache is invalid, and has to be run again
	# as root anyway
	if [[ -x ${MROOT}/usr/bin/fc-cache ]]
	then
		echo "Creating font cache"
		HOME="/root" ${MROOT}/usr/bin/fc-cache
	fi
}

xorg_preinstall()
{
	# check for old xorg installations
	is_old_xorg_installed

# run this in postinstall to cover --src-install builds
# ( the is now package-dir at this moment, cause its not already builded :)
#	if [[ -n ${XORG_FONT_PKG} ]]
#	then
#		xorg_discover_font_dirs
#	fi
}

xorg_postinstall()
{
	if [[ -n ${XORG_FONT_PKG} ]]
	then
		xorg_discover_font_dirs
		xorg_setup_fonts
		unset XORG_FONT_PKG
	fi
}

xorg_postremove()
{
	if [[ -n ${XORG_FONT_PKG} ]]
	then
		xorg_cleanup_fonts
		unset XORG_FONT_PKG
	fi
}

export_inherits xorg preinstall postinstall postremove