reinit the tree, so we can have metadata

1 files changed, 169 insertions, 0 deletions

diff --git a/eclass/texlive-common.eclass b/eclass/texlive-common.eclass
new file mode 100644
index 000000000000..e5259d95a645
--- /dev/null
+++ b/eclass/texlive-common.eclass
@@ -0,0 +1,169 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: texlive-common.eclass
+# @MAINTAINER:
+# tex@gentoo.org
+# @AUTHOR:
+# Original Author: Alexis Ballier <aballier@gentoo.org>
+# @BLURB: Provide various functions used by both texlive-core and texlive modules
+# @DESCRIPTION:
+# Purpose: Provide various functions used by both texlive-core and texlive
+# modules.
+#
+# Note that this eclass *must* not assume the presence of any standard tex tool
+
+case "${EAPI:-0}" in
+	0|1|2)
+		die "EAPI='${EAPI}' is not supported anymore"
+		;;
+	*)
+		;;
+esac
+
+TEXMF_PATH=/usr/share/texmf
+TEXMF_DIST_PATH=/usr/share/texmf-dist
+TEXMF_VAR_PATH=/var/lib/texmf
+
+# @FUNCTION: texlive-common_handle_config_files
+# @DESCRIPTION:
+# Has to be called in src_install after having installed the files in ${D}
+# This function will move the relevant files to /etc/texmf and symling them
+# from their original location. This is to allow easy update of texlive's
+# configuration
+
+texlive-common_handle_config_files() {
+	# Handle config files properly
+	[ -d "${ED}${TEXMF_PATH}" ] || return
+	cd "${ED}${TEXMF_PATH}"
+	for f in $(find . -name '*.cnf' -type f -o -name '*.cfg' -type f | sed -e "s:\./::g") ; do
+		if [ "${f#*config}" != "${f}" -o "${f#doc}" != "${f}"  -o "${f#source}"	!= "${f}" -o "${f#tex}" != "${f}" ] ; then
+			continue
+		fi
+		dodir /etc/texmf/$(dirname ${f}).d
+		einfo "Moving (and symlinking) ${EPREFIX}${TEXMF_PATH}/${f} to ${EPREFIX}/etc/texmf/$(dirname ${f}).d"
+		mv "${ED}/${TEXMF_PATH}/${f}" "${ED}/etc/texmf/$(dirname ${f}).d" || die "mv ${f} failed."
+		dosym /etc/texmf/$(dirname ${f}).d/$(basename ${f}) ${TEXMF_PATH}/${f}
+	done
+}
+
+# @FUNCTION: texlive-common_is_file_present_in_texmf
+# @DESCRIPTION:
+# Return if a file is present in the texmf tree
+# Call it from the directory containing texmf and texmf-dist
+
+texlive-common_is_file_present_in_texmf() {
+	local mark="${T}/$1.found"
+	[ -d texmf ] && find texmf -name $1 -exec touch "${mark}" \;
+	[ -d texmf-dist ] && find texmf-dist -name $1 -exec touch "${mark}" \;
+	[ -f "${mark}" ]
+}
+
+# @FUNCTION: texlive-common_do_symlinks
+# @USAGE: < src > < dest >
+# @DESCRIPTION:
+# Mimic the install_link function of texlinks
+#
+# Should have the same behavior as the one in /usr/bin/texlinks
+# except that it is under the control of the package manager
+# Note that $1 corresponds to $src and $2 to $dest in this function
+# ( Arguments are switched because texlinks main function sends them switched )
+# This function should not be called from an ebuild, prefer etexlinks that will
+# also do the fmtutil file parsing.
+
+texlive-common_do_symlinks() {
+	while [ $# != 0 ]; do
+		case $1 in
+			cont-??|metafun|mptopdf)
+				einfo "Symlink $1 skipped (special case)"
+				;;
+			mf)
+				einfo "Symlink $1 -> $2 skipped (texlive-core takes care of it)"
+				;;
+			*)
+				if [ $1 = $2 ];
+				then
+					einfo "Symlink $1 -> $2 skipped"
+				elif [ -e "${ED}/usr/bin/$1" -o -L "${ED}/usr/bin/$1" ];
+				then
+					einfo "Symlink $1 skipped (file exists)"
+				else
+					einfo "Making symlink from $1 to $2"
+					dosym $2 /usr/bin/$1
+				fi
+				;;
+		esac
+		shift; shift;
+	done
+}
+
+# @FUNCTION: etexlinks
+# @USAGE: < file >
+# @DESCRIPTION:
+# Mimic texlinks on a fmtutil format file
+#
+# $1 has to be a fmtutil format file like fmtutil.cnf
+# etexlinks foo will install the symlinks that texlinks --cnffile foo would have
+# created. We cannot use texlinks with portage as it is not DESTDIR aware.
+# (It would not fail but will not create the symlinks if the target is not in
+# the same dir as the source)
+# Also, as this eclass must not depend on a tex distribution to be installed we
+# cannot use texlinks from here.
+
+etexlinks() {
+	# Install symlinks from formats to engines
+	texlive-common_do_symlinks $(sed '/^[      ]*#/d; /^[      ]*$/d' "$1" | awk '{print $1, $2}')
+}
+
+# @FUNCTION: dobin_texmf_scripts
+# @USAGE: < file1 file2 ... >
+# @DESCRIPTION:
+# Symlinks a script from the texmf tree to /usr/bin. Requires permissions to be
+# correctly set for the file that it will point to.
+
+dobin_texmf_scripts() {
+	while [ $# -gt 0 ] ; do
+		local trg=$(basename ${1} | sed 's,\.[^/]*$,,' | tr '[:upper:]' '[:lower:]')
+		einfo "Installing ${1} as ${trg} bin wrapper"
+		[ -x "${ED}/usr/share/${1}" ] || die "Trying to install a non existing or non executable symlink to /usr/bin: ${1}"
+		dosym ../share/${1} /usr/bin/${trg} || die "failed to install ${1} as $trg"
+		shift
+	done
+}
+
+# @FUNCTION: etexmf-update
+# @USAGE: In ebuilds' pkg_postinst and pkg_postrm phases
+# @DESCRIPTION:
+# Runs texmf-update if it is available and prints a warning otherwise. This
+# function helps in factorizing some code.
+
+etexmf-update() {
+	if has_version 'app-text/texlive-core' ; then
+		if [ "$ROOT" = "/" ] && [ -x "${EPREFIX}"/usr/sbin/texmf-update ] ; then
+			"${EPREFIX}"/usr/sbin/texmf-update
+		else
+			ewarn "Cannot run texmf-update for some reason."
+			ewarn "Your texmf tree might be inconsistent with your configuration"
+			ewarn "Please try to figure what has happened"
+		fi
+	fi
+}
+
+# @FUNCTION: efmtutil-sys
+# @USAGE: In ebuilds' pkg_postinst to force a rebuild of TeX formats.
+# @DESCRIPTION:
+# Runs fmtutil-sys if it is available and prints a warning otherwise. This
+# function helps in factorizing some code.
+
+efmtutil-sys() {
+	if has_version 'app-text/texlive-core' ; then
+		if [ "$ROOT" = "/" ] && [ -x "${EPREFIX}"/usr/bin/fmtutil-sys ] ; then
+			einfo "Rebuilding formats"
+			"${EPREFIX}"/usr/bin/fmtutil-sys --all &> /dev/null
+		else
+			ewarn "Cannot run fmtutil-sys for some reason."
+			ewarn "Your formats might be inconsistent with your installed ${PN} version"
+			ewarn "Please try to figure what has happened"
+		fi
+	fi
+}