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178 lines
5.7 KiB
178 lines
5.7 KiB
# Copyright 1999-2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: texlive-common.eclass
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# @MAINTAINER:
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# tex@gentoo.org
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# @AUTHOR:
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# Original Author: Alexis Ballier <aballier@gentoo.org>
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# @SUPPORTED_EAPIS: 7
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# @BLURB: Provide various functions used by both texlive-core and texlive modules
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# @DESCRIPTION:
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# Purpose: Provide various functions used by both texlive-core and texlive
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# modules.
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#
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# Note that this eclass *must* not assume the presence of any standard tex too
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if [[ -z ${_TEXLIVE_COMMON_ECLASS} ]]; then
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_TEXLIVE_COMMON_ECLASS=1
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case ${EAPI:-0} in
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[0-6]) die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" ;;
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7) ;;
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*) die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" ;;
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esac
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TEXMF_PATH=/usr/share/texmf
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TEXMF_DIST_PATH=/usr/share/texmf-dist
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TEXMF_VAR_PATH=/var/lib/texmf
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# @FUNCTION: texlive-common_handle_config_files
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# @DESCRIPTION:
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# Has to be called in src_install after having installed the files in ${D}
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# This function will move the relevant files to /etc/texmf and symling them
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# from their original location. This is to allow easy update of texlive's
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# configuration
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texlive-common_handle_config_files() {
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# Handle config files properly
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[[ -d ${ED}${TEXMF_PATH} ]] || return
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cd "${ED}${TEXMF_PATH}" || die
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while read -r f; do
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if [[ ${f#*config} != ${f} || ${f#doc} != ${f} || ${f#source} != ${f} || ${f#tex} != ${f} ]] ; then
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continue
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fi
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dodir /etc/texmf/$(dirname ${f}).d
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einfo "Moving (and symlinking) ${EPREFIX}${TEXMF_PATH}/${f} to ${EPREFIX}/etc/texmf/$(dirname ${f}).d"
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mv "${ED}/${TEXMF_PATH}/${f}" "${ED}/etc/texmf/$(dirname ${f}).d" || die "mv ${f} failed."
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dosym /etc/texmf/$(dirname ${f}).d/$(basename ${f}) ${TEXMF_PATH}/${f}
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done < <(find -name '*.cnf' -type f -o -name '*.cfg' -type f | sed -e "s:\./::g")
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}
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# @FUNCTION: texlive-common_is_file_present_in_texmf
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# @DESCRIPTION:
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# Return if a file is present in the texmf tree
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# Call it from the directory containing texmf and texmf-dist
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texlive-common_is_file_present_in_texmf() {
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local mark="${T}/${1}.found"
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if [[ -d texmf ]]; then
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find texmf -name ${1} -exec touch ${mark} {} + || die
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fi
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if [[ -d texmf-dist ]]; then
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find texmf-dist -name ${1} -exec touch ${mark} {} + || die
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fi
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[ -f "${mark}" ]
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}
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# @FUNCTION: texlive-common_do_symlinks
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# @USAGE: <src> <dest>
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# @DESCRIPTION:
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# Mimic the install_link function of texlinks
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#
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# Should have the same behavior as the one in /usr/bin/texlinks
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# except that it is under the control of the package manager
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# Note that $1 corresponds to $src and $2 to $dest in this function
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# ( Arguments are switched because texlinks main function sends them switched )
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# This function should not be called from an ebuild, prefer etexlinks that will
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# also do the fmtutil file parsing.
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texlive-common_do_symlinks() {
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while [[ ${#} != 0 ]]; do
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case ${1} in
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cont-??|metafun|mptopdf)
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einfo "Symlink ${1} skipped (special case)"
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;;
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mf)
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einfo "Symlink ${1} -> ${2} skipped (texlive-core takes care of it)"
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;;
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*)
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if [[ ${1} == ${2} ]]; then
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einfo "Symlink ${1} -> ${2} skipped"
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elif [[ -e ${ED}/usr/bin/${1} || -L ${ED}/usr/bin/${1} ]]; then
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einfo "Symlink ${1} skipped (file exists)"
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else
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einfo "Making symlink from ${1} to ${2}"
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dosym ${2} /usr/bin/${1}
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fi
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;;
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esac
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shift; shift;
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done
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}
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# @FUNCTION: etexlinks
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# @USAGE: <file>
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# @DESCRIPTION:
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# Mimic texlinks on a fmtutil format file
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#
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# $1 has to be a fmtutil format file like fmtutil.cnf
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# etexlinks foo will install the symlinks that texlinks --cnffile foo would have
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# created. We cannot use texlinks with portage as it is not DESTDIR aware.
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# (It would not fail but will not create the symlinks if the target is not in
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# the same dir as the source)
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# Also, as this eclass must not depend on a tex distribution to be installed we
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# cannot use texlinks from here.
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etexlinks() {
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# Install symlinks from formats to engines
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texlive-common_do_symlinks $(sed '/^[ ]*#/d; /^[ ]*$/d' "$1" | awk '{print $1, $2}')
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}
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# @FUNCTION: dobin_texmf_scripts
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# @USAGE: <file1> [file2] ...
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# @DESCRIPTION:
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# Symlinks a script from the texmf tree to /usr/bin. Requires permissions to be
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# correctly set for the file that it will point to.
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dobin_texmf_scripts() {
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while [[ ${#} -gt 0 ]] ; do
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local trg=$(basename ${1} | sed 's,\.[^/]*$,,' | tr '[:upper:]' '[:lower:]')
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einfo "Installing ${1} as ${trg} bin wrapper"
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[[ -x ${ED}/usr/share/${1} ]] || die "Trying to install a non existing or non executable symlink to /usr/bin: ${1}"
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dosym ../share/${1} /usr/bin/${trg}
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shift
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done
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}
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# @FUNCTION: etexmf-update
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# @DESCRIPTION:
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# Runs texmf-update if it is available and prints a warning otherwise. This
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# function helps in factorizing some code. Useful in ebuilds' pkg_postinst and
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# pkg_postrm phases.
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etexmf-update() {
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if has_version 'app-text/texlive-core' ; then
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if [[ -z ${ROOT} && -x "${EPREFIX}"/usr/sbin/texmf-update ]] ; then
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"${EPREFIX}"/usr/sbin/texmf-update
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else
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ewarn "Cannot run texmf-update for some reason."
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ewarn "Your texmf tree might be inconsistent with your configuration"
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ewarn "Please try to figure what has happened"
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fi
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fi
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}
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# @FUNCTION: efmtutil-sys
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# @DESCRIPTION:
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# Runs fmtutil-sys if it is available and prints a warning otherwise. This
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# function helps in factorizing some code. Used in ebuilds' pkg_postinst to
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# force a rebuild of TeX formats.
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efmtutil-sys() {
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if has_version 'app-text/texlive-core' ; then
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if [[ -z ${ROOT} && -x "${EPREFIX}"/usr/bin/fmtutil-sys ]] ; then
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einfo "Rebuilding formats"
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"${EPREFIX}"/usr/bin/fmtutil-sys --all &> /dev/null || die
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else
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ewarn "Cannot run fmtutil-sys for some reason."
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ewarn "Your formats might be inconsistent with your installed ${PN} version"
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ewarn "Please try to figure what has happened"
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fi
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fi
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}
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fi
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