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# Copyright 1999-2020 Gentoo Authors
# 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>
# @SUPPORTED_EAPIS: 7
# @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 too
if [[ -z ${_TEXLIVE_COMMON_ECLASS} ]]; then
_TEXLIVE_COMMON_ECLASS=1
case ${EAPI:-0} in
[0-6]) die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" ;;
7) ;;
*) die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" ;;
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}" || die
while read -r f; do
if [[ ${f#*config} != ${f} || ${f#doc} != ${f} || ${f#source} != ${f} || ${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 < <(find -name '*.cnf' -type f -o -name '*.cfg' -type f | sed -e "s:\./::g")
}
# @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"
if [[ -d texmf ]]; then
find texmf -name ${1} -exec touch ${mark} {} + || die
fi
if [[ -d texmf-dist ]]; then
find texmf-dist -name ${1} -exec touch ${mark} {} + || die
fi
[ -f "${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} || -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}
shift
done
}
# @FUNCTION: etexmf-update
# @DESCRIPTION:
# Runs texmf-update if it is available and prints a warning otherwise. This
# function helps in factorizing some code. Useful in ebuilds' pkg_postinst and
# pkg_postrm phases.
etexmf-update() {
if has_version 'app-text/texlive-core' ; then
if [[ -z ${ROOT} && -x "${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
# @DESCRIPTION:
# Runs fmtutil-sys if it is available and prints a warning otherwise. This
# function helps in factorizing some code. Used in ebuilds' pkg_postinst to
# force a rebuild of TeX formats.
efmtutil-sys() {
if has_version 'app-text/texlive-core' ; then
if [[ -z ${ROOT} && -x "${EPREFIX}"/usr/bin/fmtutil-sys ]] ; then
einfo "Rebuilding formats"
"${EPREFIX}"/usr/bin/fmtutil-sys --all &> /dev/null || die
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
}
fi
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