# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/tetex.eclass,v 1.18 2004/10/19 14:24:00 usata Exp $
#
# Author: Jaromir Malenko <malenko@email.cz>
# Author: Mamoru KOMACHI <usata@gentoo.org>
#
# A generic eclass to install tetex distributions.

inherit alternatives eutils flag-o-matic

ECLASS=tetex
INHERITED="${INHERITED} ${ECLASS}"
EXPORT_FUNCTIONS src_unpack src_compile src_install pkg_preinst pkg_postinst

if [ -z "${TETEX_PV}" ] ; then
	TETEX_PV=${PV}
fi

IUSE="X doc"

S=${WORKDIR}/tetex-src-${TETEX_PV}
TETEX_SRC="tetex-src-${TETEX_PV}.tar.gz"
TETEX_TEXMF="tetex-texmf-${TETEX_PV}.tar.gz"
TETEX_TEXMF_SRC="tetex-texmfsrc-${TETEX_PV}.tar.gz"

DESCRIPTION="a complete TeX distribution"
HOMEPAGE="http://tug.org/teTeX/"
SRC_PATH_TETEX=ftp://cam.ctan.org/tex-archive/systems/unix/teTeX/2.0/distrib
SRC_URI="${SRC_PATH_TETEX}/${TETEX_SRC}
	${SRC_PATH_TETEX}/${TETEX_TEXMF}
	${SRC_PATH_TETEX}/${TETEX_TEXMF_SRC}"

SLOT="0"
LICENSE="GPL-2"
KEYWORDS="~ia64 ~x86 ~ppc ~sparc ~alpha ~amd64"

DEPEND="!app-text/tetex
	!app-text/ptex
	!app-text/cstetex
	sys-apps/ed
	sys-libs/zlib
	X? ( virtual/x11 )
	>=media-libs/libpng-1.2.1
	sys-libs/ncurses
	>=net-libs/libwww-5.3.2-r1"
RDEPEND="${DEPEND}
	!app-text/dvipdfm
	!dev-tex/currvita
	!dev-tex/eurosym
	!dev-tex/extsizes
	>=dev-lang/perl-5.2
	dev-util/dialog"
#PDEPEND="X? ( app-text/xdvik )"
PROVIDE="virtual/tetex"

tetex_src_unpack() {

	[ -z "$1" ] && tetex_src_unpack all

	while [ "$1" ]; do
	case $1 in
		unpack)
			unpack ${TETEX_SRC}

			mkdir ${S}/texmf; cd ${S}/texmf
			umask 022
			unpack ${TETEX_TEXMF_SRC}
			unpack ${TETEX_TEXMF}
			;;
		patch)
			# Do not run config. Also fix local texmf tree.
			cd ${S}
			epatch ${FILESDIR}/../../tetex/files/tetex-${TETEX_PV}-dont-run-config.diff
			epatch ${FILESDIR}/../../tetex/files/tetex-${TETEX_PV}.diff
			epatch ${FILESDIR}/../../tetex/files/tetex-texdoctk-gentoo.patch

			if [ "${TETEX_PV}" == "2.0.2" ] ; then
				# fix up misplaced listings.sty in the 2.0.2 archive. 
				# this should be fixed in the next release <obz@gentoo.org>
				mv texmf/source/latex/listings/listings.sty texmf/tex/latex/listings/
				# need to fix up the hyperref driver, see bug #31967
				sed -i -e "/providecommand/s/hdvips/hypertex/" \
					${S}/texmf/tex/latex/config/hyperref.cfg
			else
				sed -i -e "/providecommand/s/hdvips/hypertex/" \
					${S}/texmf/tex/latex/hyperref/hyperref.cfg
			fi
			;;
    		all)
    			tetex_src_unpack unpack patch
			;;
    	esac
    	shift
    done
}

tetex_src_compile() {

	filter-flags "-fstack-protector"

	einfo "Building teTeX"

	econf --bindir=/usr/bin \
		--datadir=${S} \
		--with-system-wwwlib \
		--with-libwww-include=/usr/include/w3c-libwww \
		--with-system-ncurses \
		--with-system-pnglib \
		--without-texinfo \
		--without-dialog \
		--with-system-zlib \
		--disable-multiplatform \
		--with-epsfwin \
		--with-mftalkwin \
		--with-regiswin \
		--with-tektronixwin \
		--with-unitermwin \
		--with-ps=gs \
		--enable-ipc \
		--with-etex \
		--without-xdvik \
		--without-oxdvik \
		`use_with X x` \
		${xdvik} \
		${myconf} || die

	emake -j1 texmf=/usr/share/texmf || die "make teTeX failed"
}

tetex_src_install() {

	if [ -z "$1" ]; then
		tetex_src_install all
	fi

	while [ "$1" ]; do
	case $1 in
		base)
			dodir /usr/share/
			# Install texmf files
			einfo "Installing texmf..."
			cp -Rv texmf ${D}/usr/share

			if [ "${TETEX_PV}" == "2.0.2" ] ; then
				# bug #47004
				insinto /usr/share/texmf/tex/latex/a0poster
				doins ${S}/texmf/source/latex/a0poster/a0poster.cls || die
				doins ${S}/texmf/source/latex/a0poster/a0size.sty || die
			fi

			# Install teTeX files
			einfo "Installing teTeX..."
			einstall bindir=${D}/usr/bin texmf=${D}/usr/share/texmf || die
			;;
		doc)
			dodoc PROBLEMS README
			docinto texk
			dodoc texk/ChangeLog texk/README
			docinto kpathesa
			cd ${S}/texk/kpathsea
			dodoc README* NEWS PROJECTS HIER
			docinto dviljk
			cd ${S}/texk/dviljk
			dodoc AUTHORS README NEWS
			docinto dvipsk
			cd ${S}/texk/dvipsk
			dodoc AUTHORS ChangeLog INSTALLATION README
			docinto makeindexk
			cd ${S}/texk/makeindexk
			dodoc CONTRIB COPYING NEWS NOTES PORTING README
			docinto ps2pkm
			cd ${S}/texk/ps2pkm
			dodoc ChangeLog CHANGES.type1 INSTALLATION README*
			docinto web2c
			cd ${S}/texk/web2c
			dodoc AUTHORS ChangeLog NEWS PROJECTS README
			#docinto xdvik
			#cd ${S}/texk/xdvik
			#dodoc BUGS FAQ README*

			# move docs to /usr/share/doc/${PF}
			if use doc ; then
				dodir /usr/share/doc
				mv ${D}/usr/share/texmf/doc/* \
					${D}/usr/share/doc/${PF} \
					|| die "mv doc failed."
				cd ${D}/usr/share/texmf
				ln -s ../doc/${PF} doc \
					|| die "ln -s doc failed."
				cd -
			else
				rm -rf ${D}/usr/share/texmf/doc
			fi
			;;
		fixup)
			#fix for conflicting readlink binary:
			rm -f ${D}/bin/readlink
			rm -f ${D}/usr/bin/readlink

			#fix for conflicting texi2html perl script:
			local v
			v=$(${D}/usr/bin/texi2html --version)
			mv ${D}/usr/bin/texi2html{,-${v}}
			mv ${D}/usr/share/man/man1/texi2html{,-${v}}.1

			#add /var/cache/fonts directory
			dodir /var/cache/fonts

			#fix for lousy upstream permisssions on /usr/share/texmf files
			#NOTE: do not use fowners, as its not recursive ...
			einfo "Fixing permissions..."
			chown -R root:root ${D}/usr/share/texmf
			;;
		link)	# link is for tetex-beta
			# populate /etc/texmf
			dodir /etc/texmf /etc/texmf/tex
			for f in texmf.cnf updmap.cfg ; do
				mv ${D}/usr/share/texmf/web2c/$f \
					${D}/etc/texmf \
					|| die "mv $f failed."
				cd ${D}/usr/share/texmf/web2c
				ln -s ../../../../etc/texmf/$f . \
					|| die "ln -s $f failed."
				cd -
			done
			for cfg in context dvipdfm metafont metapost ; do
				einfo "Symlinking from /etc/texmf/${cfg}..."
				mv ${D}/usr/share/texmf/${cfg}/config \
					${D}/etc/texmf/${cfg} \
					|| die "mv ${cfg} failed."
				cd ${D}/usr/share/texmf/${cfg}
				ln -s ../../../../etc/texmf/${cfg} config \
					|| die "ln -s ${cfg} failed."
				cd -
			done
			for cfg in tex/{amstex,context,cyrplain,generic,lambda,latex,mex,plain,platex} ; do
				einfo "Symlinking from /etc/texmf/${cfg}..."
				mv ${D}/usr/share/texmf/${cfg}/config \
					${D}/etc/texmf/${cfg} \
					|| die "mv ${cfg} failed."
				cd ${D}/usr/share/texmf/${cfg}
				ln -s ../../../../../etc/texmf/${cfg} config \
					|| die "ln -s ${cfg} failed."
				cd -
			done
			;;
		cnf)	# cnf is for tetex-2.0.2
			dodir /etc/env.d/
			echo 'CONFIG_PROTECT="/usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/xdvi/"' > ${D}/etc/env.d/98tetex

			#fix for texlinks
			local src dst
			sed -e '/^#/d' -e '/^$/d' -e 's/^ *//' \
				${D}/usr/share/texmf/web2c/fmtutil.cnf > ${T}/fmtutil.cnf || die
			while read l; do
				dst=/usr/bin/`echo $l | awk '{ print $1 }'`
				src=/usr/bin/`echo $l | awk '{ print $2 }'`
				if [ ! -f ${D}$dst -a "$dst" != "$src" ] ; then
					einfo "Making symlinks from $src to $dst"
					dosym $src $dst
				fi
			done < ${T}/fmtutil.cnf
			;;
		all)
			tetex_src_install base doc fixup cnf
			#tetex_src_install base doc fixup link
			;;
	esac
	shift
	done
}

tetex_pkg_preinst() {

	for d in context dvipdfm metafont metapost tex/{amstex,context,cyrplain,generic,lambda,latex,mex,plain,platex} ; do
		if [ -d "${ROOT}usr/share/texmf/$d/config" ]
		then
			# Portage doesn't handle symbolic links well.
			ewarn "Removing ${ROOT}usr/share/texmf/$d/config"
			#tar -C ${ROOT}usr/share/texmf -cf - $d/config | ( cd ${T} ; tar -xpf - )
			rm -rf "${ROOT}usr/share/texmf/$d/config"
		fi
	done

	if [ "${PV}" != "2.0.2" ] ; then
		ewarn "Removing ${ROOT}usr/share/texmf/web2c"
		rm -rf "${ROOT}usr/share/texmf/web2c"
	fi

	# Let's take care of config protecting.
	einfo "Here I am!"
}

tetex_pkg_postinst() {

	if [ -z "$1" ]; then
		tetex_pkg_postinst all
		use ppc-macos || alternatives_auto_makesym "/usr/bin/texi2html" "/usr/bin/texi2html-*"	
	fi

	while [ "$1" ]; do
	case $1 in
		configure)
			if [ $ROOT = "/" ]
			then
				einfo "Configuring teTeX..."
				mktexlsr &>/dev/null
				texconfig init &>/dev/null
				texconfig confall &>/dev/null
				texconfig font rw &>/dev/null
				texconfig font vardir /var/cache/fonts &>/dev/null
				texconfig font options varfonts &>/dev/null
				updmap &>/dev/null
			fi
			;;
		generate)
			if [ $ROOT = "/" ]
			then
				einfo "Generating format files..."
				fmtutil --missing &>/dev/null
				einfo
				einfo "Use 'texconfig font ro' to disable font generation for users"
				einfo
			fi
			;;
		all)
			tetex_pkg_postinst configure generate
			;;
	esac
	shift
	done
}