diagrams*.ebuild

diagrams-3.92.ebuild (text/plain), 2.56 KB, created by Sebastian Glita on 2008-05-02 16:05:36 UTC

# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:  $

inherit latex-package


DESCRIPTION="Paul Taylor's commutative diagrams."
HOMEPAGE="http://www.paultaylor.eu/diagrams"
SRC_URI="http://www.paultaylor.eu/diagrams/diagrams.sty"

for f in manual.{tex,pdf,ps.gz}; do
	SRC_URI="${SRC_URI} http://www.paultaylor.eu/diagrams/$f"
done

SLOT="1"
KEYWORDS="x86 ~x86-fbsd ~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc-macos ~ppc64 ~s390 ~sh ~sparc"

IUSE="latex doc"
RDEPEND="${DEPEND}"
DEPEND="${DEPEND}"

src_unpack() {
	cd "${DISTDIR}"

	cp diagrams.sty "${WORKDIR}"
	if use doc ; then
		for f in manual.{tex,pdf,ps.gz}; do
			cp "$f" "${WORKDIR}"
		done
	fi
}

pkg_setup() {
	# Taken from sci-mathematics/maxim when USE 'latex' enabled
	# Calculating TEXMF
	if use latex; then
		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
	fi
}

src_install() {
	cd ${WORKDIR}

	latex-package_src_doinstall sty

	if use doc ; then
		# latex-package_src_doinstall doc can't handle .gz nor dodoc
		insinto "/usr/share/doc/${P}"
		doins manual.{tex,pdf,ps.gz}
	fi
}

pkg_postinst() {
	latex-package_pkg_postinst
	if use doc ; then
		einfo
		einfo "Please view /usr/share/doc/${P}/manual.ps.gz"
		einfo "for the very author's docs on commutative diagrams package."
	fi
}