# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/tetex-3.eclass,v 1.25 2012/07/18 20:48:28 johu Exp $

# @DEAD
#
# Author: Jaromir Malenko <malenko@email.cz>
# Author: Mamoru KOMACHI <usata@gentoo.org>
# Author: Martin Ehmsen <ehmsen@gentoo.org>
# Author: Alexandre Buisse <nattfodd@gentoo.org>
#
# A generic eclass to install tetex 3.x distributions.

TEXMF_PATH=/var/lib/texmf

inherit tetex

EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_install pkg_preinst pkg_postinst

IUSE="X Xaw3d motif neXt"

DEPEND="X? ( motif? ( >=x11-libs/openmotif-2.3 )
		!motif? ( neXt? ( x11-libs/neXtaw )
			!neXt? ( Xaw3d? ( x11-libs/libXaw3d ) ) )
		!app-text/xdvik
	)
	!dev-tex/memoir
	!dev-tex/lineno
	!dev-tex/SIunits
	!dev-tex/floatflt
	!dev-tex/g-brief
	!dev-tex/koma-script"

RDEPEND="${DEPEND}"

tetex-3_pkg_setup() {
	ewarn
	ewarn "teTeX 3.0 ebuild will remove config files stored in /usr/share/texmf."
	ewarn "Please make a backup before upgrading if you changed anything."
	ewarn

	ebeep
	epause
}

tetex-3_src_unpack() {

	tetex_src_unpack

	# create update script
	cat >${T}/texmf-update<<'EOF'
#!/bin/bash
#
# Utility to update Gentoo teTeX distribution configuration files
#

PATH=/bin:/usr/bin

# Fix for all those with altered umask for root
umask 022

# Make sure we have a correct environment, bug #30432
# The list of env. vars is taken from the INSTALL file
for texvar in AFMFONTS BIBINPUTS BSTINPUTS DVILJFONTS DVIPSFONTS \
	DVIPSHEADERS GFFONTS GLYPHFONTS INDEXSTYLE MFBASES MFINPUTS \
	MFPOOL MFTINPUTS MPINPUTS MPMEMS MPPOOL MPSUPPORT OCPINPUTS \
	OFMFONTS OPLFONTS OTPINPUTS OVFFONTS OVPFONTS PKFONTS PSHEADERS \
	T1FONTS T1INPUTS TEXBIB TEXCONFIG TEXDOCS TEXFONTMAPS TEXFONTS \
	TEXFORMATS TEXINDEXSTYLE TEXINPUTS TEXMFCNF TEXMFDBS TEXMFINI \
	TEXPICTS TEXPKS TEXPOOL TEXPSHEADERS TEXSOURCES TFMFONTS TRFONTS \
	VFFONTS XDVIFONTS XDVIVFS ; do

	if [ "${!texvar}" ]; then
		if ! $(echo ${!texvar} | grep '^:\|::\|:$' &>/dev/null) ; then
			export ${texvar}="${!texvar}:"
		fi
	fi
done

if [ "$TEXINPUTS" ]; then
	if $(echo ${TEXINPUTS} | grep '/usr/share/texmf' &>/dev/null) ; then
		export TEXINPUTS=$(echo ${TEXINPUTS} | sed -e 's|/usr/share/texmf/*:\?||g')
	elif $(echo ${TEXINPUTS} | grep '/var/lib/texmf' &>/dev/null) ; then
		export TEXINPUTS=$(echo ${TEXINPUTS} | sed -e 's|/var/lib/texmf/*:\?||g')
	fi
fi

for conf in texmf.cnf fmtutil.cnf updmap.cfg
do
	if [ -d "/etc/texmf/${conf/.*/.d}" ]
	then
		echo "Generating /etc/texmf/web2c/${conf} from /etc/texmf/${conf/.*/.d} ..."
		cat /etc/texmf/${conf/.*/.d}/* > "/etc/texmf/web2c/${conf}"
	fi
done

# configure
echo "Configuring teTeX ..."
mktexlsr &>/dev/null
texconfig-sys init &>/dev/null
texconfig-sys confall &>/dev/null
texconfig-sys font rw &>/dev/null
texconfig-sys font vardir /var/cache/fonts &>/dev/null
updmap-sys &>/dev/null

# generate
echo "Generating format files ..."
fmtutil-sys --missing &>/dev/null
echo
echo "Use 'texconfig font ro' to disable font generation for users"
echo
EOF

	# need to fix up the hyperref driver, see bug #31967
	sed -i -e "/providecommand/s/hdvips/hypertex/" \
		${S}/texmf/tex/latex/hyperref/hyperref.cfg
}

tetex-3_src_compile() {
	sed -i -e "/mktexlsr/,+3d" \
		-e "s/\(updmap-sys\)/\1 --nohash/" \
		Makefile.in || die

	use amd64 && replace-flags "-O3" "-O2"

	if use X ; then
		if use motif ; then
			toolkit="motif"
		elif use neXt ; then
			toolkit="neXtaw"
		elif use Xaw3d ; then
			toolkit="xaw3d"
		else
			toolkit="xaw"
		fi

		TETEX_ECONF="${TETEX_ECONF} --with-xdvi-x-toolkit=${toolkit}"
	fi

	tetex_src_compile
}

tetex-3_src_install() {

	tetex_src_install

	dodir /etc/env.d
	echo 'CONFIG_PROTECT_MASK="/etc/texmf/web2c"' > ${D}/etc/env.d/98tetex
	# populate /etc/texmf
	keepdir /etc/texmf/web2c
	cd ${D}/usr/share/texmf		# not ${TEXMF_PATH}
	for d in $(find . -name config -type d | sed -e "s:\./::g") ; do
		dodir /etc/texmf/${d}
		for f in $(find ${D}usr/share/texmf/$d -maxdepth 1 -mindepth 1); do
			mv $f ${D}/etc/texmf/$d || die "mv $f failed"
			dosym /etc/texmf/$d/$(basename $f) /usr/share/texmf/$d/$(basename $f)
		done
	done
	cd -
	cd ${D}${TEXMF_PATH}
	for f in $(find . -name '*.cnf' -o -name '*.cfg' -type f | sed -e "s:\./::g") ; do
		if [ "${f/config/}" != "${f}" ] ; then
			continue
		fi
		dodir /etc/texmf/$(dirname $f)
		mv ${D}${TEXMF_PATH}/$f ${D}/etc/texmf/$(dirname $f) || die "mv $f failed."
		dosym /etc/texmf/$f ${TEXMF_PATH}/$f
	done

	# take care of updmap.cfg, fmtutil.cnf and texmf.cnf
	dodir /etc/texmf/{updmap.d,fmtutil.d,texmf.d}
	#cp ${D}/usr/share/texmf/web2c/updmap.cfg ${D}/etc/texmf/updmap.d/00updmap.cfg
	dosym /etc/texmf/web2c/updmap.cfg ${TEXMF_PATH}/web2c/updmap.cfg
	mv ${D}/usr/share/texmf/web2c/updmap.cfg ${D}/etc/texmf/updmap.d/00updmap.cfg
	mv ${D}/etc/texmf/web2c/fmtutil.cnf ${D}/etc/texmf/fmtutil.d/00fmtutil.cnf
	mv ${D}/etc/texmf/web2c/texmf.cnf ${D}/etc/texmf/texmf.d/00texmf.cnf

	# xdvi
	if use X ; then
		dodir /etc/X11/app-defaults /etc/texmf/xdvi
		mv ${D}${TEXMF_PATH}/xdvi/XDvi ${D}/etc/X11/app-defaults || die "mv XDvi failed"
		dosym /etc/X11/app-defaults/XDvi ${TEXMF_PATH}/xdvi/XDvi
	fi
	cd -
}

tetex-3_pkg_preinst() {

	ewarn "Removing ${ROOT}usr/share/texmf/web2c"
	rm -rf "${ROOT}usr/share/texmf/web2c"

	# take care of symlinks problems, see bug 120515
	# this can be removed when that is not an issue anymore
	# i.e., all users with problem has got them fixed
	for conf in updmap.d/00updmap.cfg texmf.d/00texmf.cnf fmtutil.d/00fmtutil.cnf
	do
		if [ -L "${ROOT}etc/texmf/${conf}" ]
		then
			ewarn "Removing ${ROOT}etc/texmf/${conf}"
			rm -f "${ROOT}etc/texmf/${conf}"
		fi
	done

	# take care of config protection, upgrade from <=tetex-2.0.2-r4
	for conf in updmap.cfg texmf.cnf fmtutil.cnf
	do
		if [ ! -d "${ROOT}etc/texmf/${conf/.*/.d}" -a -f "${ROOT}etc/texmf/${conf}" ]
		then
			mkdir "${ROOT}etc/texmf/${conf/.*/.d}"
			cp "${ROOT}etc/texmf/${conf}" "${ROOT}etc/texmf/00${conf/.*/.d}"
		fi
	done
}

tetex-3_pkg_postinst() {
	tetex_pkg_postinst
}