dev-tex/diagrams-3.93 new ebuild

diagrams-3.93.ebuild (text/plain), 2.52 KB, created by Sebastian Glita on 2010-09-17 09:16:01 UTC

# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:  $

RESTRICT="primaryuri"

EAPI="2"
inherit latex-package

DESCRIPTION="Paul Taylor's commutative diagrams."
HOMEPAGE="http://www.paultaylor.eu/diagrams"
SRC_URI="http://www.paultaylor.eu/diagrams/V3,93.tex          \
	 doc? ( http://www.paultaylor.eu/diagrams/manual.tex )"

SLOT="0"
KEYWORDS="~alpha amd64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc x86"
IUSE="+latex doc"

S="${WORKDIR}"

src_unpack() {
	cp "${DISTDIR}"/V3,93.tex "${S}"
	mv V3,93.tex diagrams.sty

	use doc || return

	cp "${DISTDIR}"/manual.tex "${S}"
}

pkg_setup() {
	use latex || die "Please build with USE flag \`lattex' enabled."

	# Taken from sci-mathematics/maxima when USE 'latex' enabled
	# Calculating TEXMF
	local TEXMFPATH="$(kpsewhich -var-value=TEXMFSITE)"
	local TEXMFCONFIGFILE="$(kpsewhich texmf.cnf)"

	if [ -z "${TEXMFPATH}" ]; then
		eerror "You haven't defined the TEXMFSITE variable in your TeX config."
		eerror "Please do so in the file ${TEXMFCONFIGFILE:-/var/lib/texmf/web2c/texmf.cnf}"
		die "Define TEXMFSITE in TeX configuration!"
	else
		# go through the colon separated list of directories
		# (maybe only one) provided in the variable
		# TEXMFPATH (generated from TEXMFSITE from TeX's config)
		# and choose only the first entry.
		# All entries are separated by colons, even when defined
		# with semi-colons, kpsewhich changes
		# the output to a generic format, so IFS has to be redefined.
		local IFS="${IFS}:"
			for strippedpath in "${TEXMFPATH}"; do
			if [ -d "${strippedpath}" ]; then
				TEXMF="${strippedpath}"
				break
			fi
		done

		# verify if an existing path was chosen to prevent from
		# installing into the wrong directory
		if [ -z "${TEXMF}" ]; then
			eerror "TEXMFSITE does not contain any existing directory."
			eerror "Please define an existing directory in your TeX config file"
			eerror "${TEXMFCONFIGFILE:-/var/lib/texmf/web2c/texmf.cnf} or create at least one of the there specified directories"
			die "TEXMFSITE variable did not contain an existing directory"
		fi
	fi
}

src_install() {
	cd "${S}"
	use doc || latex-package_src_doinstall sty || die "latex install failed"

	use doc || return

	latex-package_src_doinstall sty tex || die "latex install failed"
	dodoc manual.{tex,dvi} || die "documenting manuals failed"
}

pkg_postinst() {
	latex-package_pkg_postinst

	use doc || return

	einfo
	einfo "Please view /usr/share/doc/${PF}/manual.dvi.bz2"
	einfo "for the very author's docs on commutative diagrams package."
	einfo
}