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# Copyright 1999-2024 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 8
# @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
case ${EAPI} in
7)
inherit eapi8-dosym
;;
8) ;;
*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac
if [[ -z ${_TEXLIVE_COMMON_ECLASS} ]]; then
_TEXLIVE_COMMON_ECLASS=1
# @ECLASS_VARIABLE: CTAN_MIRROR_URL
# @USER_VARIABLE
# @DESCRIPTION:
# This variable can be used to set the CTAN mirror that will be used to fetch
# CTAN artifacts. Note that this mirror is usually only used as fallback
# in case the Gentoo mirrors do not hold the requested files.
#
# Only Gentoo TeX developers may want to set this.
#
# Example:
# @CODE
# CTAN_MIRROR_URL='https://ftp.fau.de/ctan/' emerge -1v app-text/texlive-core
# @CODE
: "${CTAN_MIRROR_URL:="https://mirrors.ctan.org"}"
# @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 symlink them
# from their original location. This is to allow easy update of texlive's
# configuration.
# Called by app-text/texlive-core and texlive-module.eclass.
texlive-common_handle_config_files() {
local texmf_path
# Starting with TeX Live 2023, we install in texmf-dist, where a
# distribution-provided TeX Live installation is supposed to be,
# instead of texmf.
if ver_test -ge 2023; then
texmf_path=/usr/share/texmf-dist
else
texmf_path=/usr/share/texmf
fi
# 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
local rel_dir
rel_dir="$(dirname "${f}")"
dodir "/etc/texmf/${rel_dir}.d"
einfo "Moving (and symlinking) ${EPREFIX}${texmf_path}/${f} to ${EPREFIX}/etc/texmf/${rel_dir}.d"
mv "${ED}/${texmf_path}/${f}" "${ED}/etc/texmf/${rel_dir}.d" || die "mv ${f} failed."
local dosym=dosym
[[ ${EAPI} == 7 ]] && dosym=dosym8
${dosym} -r "/etc/texmf/${rel_dir}.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
# Called by app-text/texlive-core.
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.
# Called by texlive-common.eclass and texlive-module.eclass.
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.
# Called by texlive-module.eclass.
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.
# Called by app-text/epspdf and texlive-module.eclass.
dobin_texmf_scripts() {
while [[ ${#} -gt 0 ]] ; do
local trg
trg=$(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.
# Called by app-text/dvipsk, app-text/texlive-core, dev-libs/kpathsea, and
# texlive-module.eclass.
etexmf-update() {
if has_version 'app-text/texlive-core' ; then
if [[ -z ${ROOT} && -x "${EPREFIX}"/usr/sbin/texmf-update ]] ; then
"${EPREFIX}"/usr/sbin/texmf-update
local res="${?}"
if [[ "${?}" -ne 0 ]] && ver_test -ge 2023; then
die -n "texmf-update returned non-zero exit status ${res}"
fi
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 -n "fmtutil-sys returned non-zero exit status ${res}"
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
}
# @FUNCTION: texlive-common_append_to_src_uri
# @DESCRIPTION:
# Takes the name of a variable as input. The variable must contain a
# list of texlive packages. Every texlive package in the variable is
# transformed to an URL and appended to SRC_URI.
texlive-common_append_to_src_uri() {
local tl_uri=( ${!1} )
# Starting from TeX Live 2009, upstream provides .tar.xz modules.
local tl_pkgext=tar.xz
local tl_uri_prefix="https://dev.gentoo.org/~@dev@/distfiles/texlive/tl-"
local tl_2023_uri_prefix="https://dev.gentoo.org/~@dev@/distfiles/texlive/"
local tl_dev
# If the version is less than 2023 and the package is the
# dev-texlive category, we fallback to the old SRC_URI layout. With
# the 2023 bump, packages outside the dev-texlive category start to
# inherit texlive-common.eclass.
if ver_test -lt 2023 && [[ ${CATEGORY} == dev-texlive ]]; then
local texlive_lt_2023_devs=( zlogene dilfridge sam )
local tl_uri_suffix="-${PV}.${tl_pkgext}"
tl_uri=( "${tl_uri[@]/%/${tl_uri_suffix}}" )
for tl_dev in "${texlive_lt_2023_devs[@]}"; do
SRC_URI+=" ${tl_uri[*]/#/${tl_uri_prefix/@dev@/${tl_dev}}}"
done
else
local texlive_ge_2023_devs=( flow )
local tl_mirror="${CTAN_MIRROR_URL%/}/systems/texlive/tlnet/archive/"
tl_uri=( "${tl_uri[@]/%/.${tl_pkgext}}" )
SRC_URI+=" ${tl_uri[*]/#/${tl_mirror}}"
for tl_dev in "${texlive_ge_2023_devs[@]}"; do
SRC_URI+=" ${tl_uri[*]/#/${tl_2023_uri_prefix/@dev@/${tl_dev}}}"
done
fi
}
fi
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