# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=5

#TL_UPSTREAM_PATCHLEVEL="1"
PATCHLEVEL="70"
TL_SOURCE_VERSION=20170524

inherit eutils flag-o-matic toolchain-funcs libtool texlive-common

MY_PV=${PN%-core}-${TL_SOURCE_VERSION}-source

DESCRIPTION="A complete TeX distribution"
HOMEPAGE="https://tug.org/texlive/"
SLOT="0"
LICENSE="GPL-2 LPPL-1.3c TeX"

SRC_URI="mirror://gentoo/${MY_PV}.tar.xz"

# Fetch patches
POPPLERPATCHES="${P}-poppler076"
SRC_URI="${SRC_URI} mirror://gentoo/${PN}-patches-${PATCHLEVEL}.tar.xz
	https://dev.gentoo.org/~dilfridge/distfiles/${PN%-core}-${TL_SOURCE_VERSION}-source-freetype.patch.xz
	https://dev.gentoo.org/~asturm/distfiles/${POPPLERPATCHES}.tar.xz
"
#	mirror://gentoo/texlive-core-upstream-patches-${TL_UPSTREAM_PATCHLEVEL}.tar.xz"

TL_CORE_BINEXTRA_MODULES="
	a2ping adhocfilelist arara asymptote bundledoc checklistings ctan_chk
	ctanify ctanupload ctie cweb de-macro dtl dtxgen dvi2tty dviasm dvicopy
	dvidvi dviljk dvipos findhyph fragmaster hook-pre-commit-pkg hyphenex
	installfont lacheck latex-git-log latex-papersize latex2man latex2nemeth
	latexfileversion latexpand latexindent ltxfileinfo ltximg listings-ext make4ht
	match_parens mflua mkjobtexmf patgen pdfbook2 pdfcrop pdflatexpicscale pdftools
	pdfxup pfarrei pkfix pkfix-helper purifyeps seetexk srcredact sty2dtx
	synctex tex4ebook texcount texdef texdiff texdirflatten texdoc texfot
	texliveonfly texloganalyser texosquery texware tie tpic2pdftex typeoutfileinfo
	web collection-binextra
	"
TL_CORE_BINEXTRA_DOC_MODULES="
	a2ping.doc adhocfilelist.doc arara.doc asymptote.doc bundledoc.doc
	checklistings.doc ctan_chk.doc ctanify.doc ctanupload.doc ctie.doc
	cweb.doc de-macro.doc dtl.doc dtxgen.doc dvi2tty.doc dviasm.doc dvicopy.doc
	dvidvi.doc dviljk.doc dvipos.doc findhyph.doc fragmaster.doc
	hook-pre-commit-pkg.doc installfont.doc lacheck.doc latex-git-log.doc
	latex-papersize.doc latex2man.doc latex2nemeth.doc latexfileversion.doc
	latexpand.doc latexindent.doc ltxfileinfo.doc ltximg.doc listings-ext.doc
	make4ht.doc match_parens.doc mkjobtexmf.doc patgen.doc pdfbook2.doc pdfcrop.doc
	pdflatexpicscale.doc pdftools.doc pdfxup.doc pfarrei.doc pkfix.doc
	pkfix-helper.doc purifyeps.doc pythontex.doc seetexk.doc srcredact.doc
	sty2dtx.doc synctex.doc tex4ebook.doc texcount.doc texdef.doc texdiff.doc
	texdirflatten.doc texdoc.doc texfot.doc texliveonfly.doc texloganalyser.doc
	texosquery.doc texware.doc tie.doc tpic2pdftex.doc typeoutfileinfo.doc web.doc
"
TL_CORE_BINEXTRA_SRC_MODULES="
	adhocfilelist.source arara.source checklistings.source hyphenex.source
	listings-ext.source mkjobtexmf.source pfarrei.source pythontex.source
	texdef.source texosquery.source
"

TL_CORE_EXTRA_MODULES="tetex hyphen-base texconfig gsftopk texlive.infra ${TL_CORE_BINEXTRA_MODULES}"
TL_CORE_EXTRA_DOC_MODULES="tetex.doc texconfig.doc gsftopk.doc texlive.infra.doc ${TL_CORE_BINEXTRA_DOC_MODULES}"
TL_CORE_EXTRA_SRC_MODULES="${TL_CORE_BINEXTRA_SRC_MODULES}"

for i in ${TL_CORE_EXTRA_MODULES}; do
	SRC_URI="${SRC_URI} mirror://gentoo/texlive-module-${i}-${PV}.tar.xz"
done

SRC_URI="${SRC_URI} doc? ( "
for i in ${TL_CORE_EXTRA_DOC_MODULES}; do
	SRC_URI="${SRC_URI} mirror://gentoo/texlive-module-${i}-${PV}.tar.xz"
done
SRC_URI="${SRC_URI} )"
SRC_URI="${SRC_URI} source? ( "
for i in ${TL_CORE_EXTRA_SRC_MODULES}; do
	SRC_URI="${SRC_URI} mirror://gentoo/texlive-module-${i}-${PV}.tar.xz"
done
SRC_URI="${SRC_URI} )"

KEYWORDS="alpha amd64 arm arm64 ia64 ~mips ppc ppc64 s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="cjk X doc source tk +luajittex xetex"

TEXMF_PATH=/usr/share/texmf-dist

MODULAR_X_DEPEND="X? (
				x11-libs/libX11
				x11-libs/libXmu
	)"

COMMON_DEPEND="${MODULAR_X_DEPEND}
	!app-text/ptex
	!app-text/tetex
	!<app-text/texlive-2007
	!app-text/xetex
	!<dev-texlive/texlive-basic-2014
	!<dev-texlive/texlive-metapost-2011
	!app-text/dvibook
	!dev-tex/luatex
	!app-text/dvipdfm
	!app-text/dvipdfmx
	!app-text/xdvipdfmx
	sys-libs/zlib
	>=media-libs/libpng-1.2.43-r2:0=
	>=app-text/poppler-0.58.0:=
	>=x11-libs/cairo-1.12
	>=x11-libs/pixman-0.18
	dev-libs/zziplib
	app-text/libpaper
	dev-libs/gmp:0
	dev-libs/mpfr:0=
	xetex? (
		>=media-libs/harfbuzz-1.4.5[icu,graphite]
		>=dev-libs/icu-50:=
		>=app-text/teckit-2.5.3
		media-libs/fontconfig
		media-gfx/graphite2
	)
	media-libs/freetype:2
	>=dev-libs/kpathsea-6.2.3
	cjk? ( >=dev-libs/ptexenc-1.3.5 )"

DEPEND="${COMMON_DEPEND}
	virtual/pkgconfig
	sys-apps/ed
	sys-devel/flex
	app-arch/xz-utils"

RDEPEND="${COMMON_DEPEND}
	>=app-text/ps2pkm-1.8_p20170524
	>=app-text/dvipsk-5.997
	>=dev-tex/bibtexu-3.71_p20170524
	virtual/perl-Getopt-Long
	tk? ( dev-perl/Tk )"

S="${WORKDIR}/${P}_build"
B="${WORKDIR}/${MY_PV}"

src_unpack() {
	unpack ${A}
	mkdir -p "${S}" || die "failed to create build dir"
}

RELOC_TARGET=texmf-dist

src_prepare() {
	cd "${WORKDIR}"
	# From texlive-module.eclass.
	grep -H RELOC tlpkg/tlpobj/* | awk '{print $2}' | sed 's#^RELOC/##' > "${T}/reloclist"
	{ for i in $(<"${T}/reloclist"); do  dirname $i; done; } | uniq > "${T}/dirlist"
	for i in $(<"${T}/dirlist"); do
		[ -d "${RELOC_TARGET}/${i}" ] || mkdir -p "${RELOC_TARGET}/${i}"
	done
	for i in $(<"${T}/reloclist"); do
		mv "${i}" "${RELOC_TARGET}"/$(dirname "${i}") || die "failed to relocate ${i} to ${RELOC_TARGET}/$(dirname ${i})"
	done

	mv "${WORKDIR}"/texmf* "${B}" || die "failed to move texmf files"

	cd "${B}"

	# bug 655052
	epatch "${WORKDIR}/${PN%-core}-${TL_SOURCE_VERSION}-source-freetype.patch"

	#EPATCH_MULTI_MSG="Applying patches from upstream bugfix branch..." EPATCH_SUFFIX="patch" epatch "${WORKDIR}/gentoo_branch2011_patches"
	EPATCH_SUFFIX="patch" epatch "${WORKDIR}/patches"

	# bug ?
	epatch "${WORKDIR}/${POPPLERPATCHES}/${P}-poppler064.patch"

	if has_version ">=app-text/poppler-0.69.0"; then
		epatch "${WORKDIR}"/${POPPLERPATCHES}/${P}-poppler0{69,71,72,73}.patch # bugs #672854, 675448
	fi

	if has_version ">=app-text/poppler-0.75.0"; then
		epatch "${WORKDIR}"/${POPPLERPATCHES}/${P}-pdftexdir-poppler0{75,76}.patch # bugs #681338, 685284
		epatch "${WORKDIR}"/${POPPLERPATCHES}/${P}-luatexdir-poppler0{75,76}.patch # bugs #681338, 685284
	fi

	sed -i \
		-e "s,/usr/include /usr/local/include.*echo \$KPATHSEA_INCLUDES.*,${EPREFIX}/usr/include\"," \
		texk/web2c/configure || die

	elibtoolize
}

src_configure() {
	# It fails on alpha without this
	use alpha && append-ldflags "-Wl,--no-relax"

	# Required for newest icu, bug #618732
	append-cxxflags '-std=c++11'

	# Too many regexps use A-Z a-z constructs, what causes problems with locales
	# that don't have the same alphabetical order than ascii. Bug #242430
	# So we set LC_ALL to C in order to avoid problems.
	export LC_ALL=C
	tc-export CC CXX AR RANLIB
	ECONF_SOURCE="${B}" \
		econf -C \
		--bindir="${EPREFIX}"/usr/bin \
		--datadir="${S}" \
		--with-system-freetype2 \
		--with-system-zlib \
		--with-system-libpng \
		--with-system-xpdf \
		--with-system-poppler \
		--with-system-teckit \
		--with-teckit-includes="${EPREFIX}"/usr/include/teckit \
		--with-system-kpathsea \
		--with-kpathsea-includes="${EPREFIX}"/usr/include \
		--with-system-icu \
		--with-system-ptexenc \
		--with-system-harfbuzz \
		--with-system-icu \
		--with-system-graphite2 \
		--with-system-cairo \
		--with-system-pixman \
		--with-system-zziplib \
		--with-system-libpaper \
		--with-system-gmp \
		--with-system-mpfr \
		--without-texinfo \
		--disable-dialog \
		--disable-multiplatform \
		--enable-epsfwin \
		--enable-mftalkwin \
		--enable-regiswin \
		--enable-tektronixwin \
		--enable-unitermwin \
		--with-ps=gs \
		--disable-psutils \
		--disable-t1utils \
		--enable-ipc \
		--disable-biber \
		--disable-bibtex-x \
		--disable-dvipng \
		--disable-dvipsk \
		--disable-chktex \
		--disable-lcdf-typetools \
		--disable-pdfopen \
		--disable-ps2eps \
		--disable-ps2pk \
		--disable-detex \
		--disable-ttf2pk2 \
		--disable-tex4htk \
		--disable-cjkutils \
		--disable-xdvik \
		--disable-xindy \
		--enable-luatex \
		--disable-dvi2tty \
		--disable-dvisvgm \
		--disable-vlna \
		--enable-shared \
		--disable-native-texlive-build \
		--disable-largefile \
		$(use_enable luajittex) \
		$(use_enable luajittex mfluajit) \
		$(use_enable xetex) \
		$(use_enable cjk ptex) \
		$(use_enable cjk eptex) \
		$(use_enable cjk uptex) \
		$(use_enable cjk euptex) \
		$(use_enable cjk mendexk) \
		$(use_enable cjk makejvf) \
		$(use_enable cjk pmp) \
		$(use_enable cjk upmp) \
		$(use_enable tk texdoctk) \
		$(use_with X x)
}

src_compile() {
	tc-export CC CXX AR RANLIB
	emake SHELL="${EPREFIX}"/bin/sh texmf="${EPREFIX}"${TEXMF_PATH:-/usr/share/texmf-dist}

	cd "${B}" || die
	# Mimic updmap --syncwithtrees to enable only fonts installed
	# Code copied from updmap script
	for i in `egrep '^(Mixed|Kanji)?Map' "texmf-dist/web2c/updmap.cfg" | sed 's@.* @@'`; do
		texlive-common_is_file_present_in_texmf "$i" || echo "$i"
	done > "${T}/updmap_update"
	{
		sed 's@/@\\/@g; s@^@/^MixedMap[     ]*@; s@$@$/s/^/#! /@' <"${T}/updmap_update"
		sed 's@/@\\/@g; s@^@/^Map[  ]*@; s@$@$/s/^/#! /@' <"${T}/updmap_update"
		sed 's@/@\\/@g; s@^@/^KanjiMap[     ]*@; s@$@$/s/^/#! /@' <"${T}/updmap_update"
	} > "${T}/updmap_update2"
	sed -f "${T}/updmap_update2" "texmf-dist/web2c/updmap.cfg" >	"${T}/updmap_update3"\
		&& cat "${T}/updmap_update3" > "texmf-dist/web2c/updmap.cfg"
}

src_install() {
	dodir ${TEXMF_PATH:-/usr/share/texmf-dist}/web2c
	emake DESTDIR="${D}" texmf="${ED}${TEXMF_PATH:-/usr/share/texmf-dist}" run_texlinks="true" run_mktexlsr="true" install

	cd "${B}" || die
	dodir /usr/share # just in case
	cp -pR texmf-dist "${ED}/usr/share/" || die "failed to install texmf trees"
	cp -pR "${WORKDIR}"/tlpkg "${ED}/usr/share/" || die "failed to install tlpkg files"

	# When X is disabled mf-nowin doesn't exist but some scripts expect it to
	# exist. Instead, it is called mf, so we symlink it to please everything.
	use X || dosym mf /usr/bin/mf-nowin

	docinto texk
	cd "${B}/texk"
	dodoc ChangeLog README

	docinto dviljk
	cd "${B}/texk/dviljk"
	dodoc ChangeLog README NEWS

	docinto makeindexk
	cd "${B}/texk/makeindexk"
	dodoc ChangeLog NOTES README

	docinto web2c
	cd "${B}/texk/web2c"
	dodoc ChangeLog NEWS PROJECTS README

	use doc || rm -rf "${ED}/usr/share/texmf-dist/doc"

	dodir /etc/env.d
	echo 'CONFIG_PROTECT_MASK="/etc/texmf/web2c /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d"' > "${ED}/etc/env.d/98texlive"
	# populate /etc/texmf
	keepdir /etc/texmf/web2c

	# take care of updmap.cfg and language.d files
	keepdir /etc/texmf/{updmap.d,language.dat.d,language.def.d,language.dat.lua.d}

	mv "${ED}${TEXMF_PATH}/web2c/updmap.cfg" "${ED}/etc/texmf/updmap.d/00updmap.cfg" || die "moving updmap.cfg failed"

	# Remove fmtutil.cnf, it will be regenerated from /etc/texmf/fmtutil.d files
	# by texmf-update
	rm -f "${ED}${TEXMF_PATH}/web2c/fmtutil.cnf"
	# Remove bundled and invalid updmap.cfg
	rm -f "${ED}/usr/share/texmf-dist/web2c/updmap.cfg"

	texlive-common_handle_config_files

	keepdir /usr/share/texmf-site

	# the virtex symlink is not installed
	# The links has to be relative, since the targets
	# is not present at this stage and MacOS doesn't
	# like non-existing targets
	dosym tex /usr/bin/virtex
	dosym pdftex /usr/bin/pdfvirtex

	# Rename mpost to leave room for mplib
	mv "${ED}/usr/bin/mpost" "${ED}/usr/bin/mpost-${P}"
	dosym "mpost-${P}" /usr/bin/mpost

	# Ditto for pdftex
	mv "${ED}/usr/bin/pdftex" "${ED}/usr/bin/pdftex-${P}"
	dosym "pdftex-${P}" /usr/bin/pdftex
}

pkg_postinst() {
	etexmf-update

	einfo "Regenerating TeX formats"
	fmtutil-sys --all &> /dev/null

	elog
	elog "If you have configuration files in ${EPREFIX}/etc/texmf to merge,"
	elog "please update them and run ${EPREFIX}/usr/sbin/texmf-update."
	elog
	ewarn "If you are migrating from an older TeX distribution"
	ewarn "Please make sure you have read:"
	ewarn "https://wiki.gentoo.org/wiki/Project:TeX/Tex_Live_Migration_Guide"
	ewarn "in order to avoid possible problems"
	elog
	elog "TeXLive has been split in various ebuilds. If you are missing a"
	elog "package to process your TeX documents, you can install"
	elog "dev-tex/texmfind to easily search for them."
	elog
}