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# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/texlive-common.eclass,v 1.17 2012/03/30 13:50:39 aballier Exp $
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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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# @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 tool
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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 ${D}
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# This function will move the relevant files to /etc/texmf and symling them
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# from their original location. This is to allow easy update of texlive's
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# configuration
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texlive-common_handle_config_files() {
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# Handle config files properly
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[ -d "${D}${TEXMF_PATH}" ] || return
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cd "${D}${TEXMF_PATH}"
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for f in $(find . -name '*.cnf' -type f -o -name '*.cfg' -type f | sed -e "s:\./::g") ; do
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if [ "${f#*config}" != "${f}" -o "${f#doc}" != "${f}" ] ; then
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continue
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fi
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dodir /etc/texmf/$(dirname ${f}).d
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einfo "Moving (and symlinking) ${TEXMF_PATH}/${f} to /etc/texmf/$(dirname ${f}).d"
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mv "${D}/${TEXMF_PATH}/${f}" "${D}/etc/texmf/$(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
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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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find texmf -name $1 -exec touch "${mark}" \;
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find texmf-dist -name $1 -exec touch "${mark}" \;
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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 ];
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then
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einfo "Symlink $1 -> $2 skipped"
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elif [ -e "${D}/usr/bin/$1" ];
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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 ${trg} bin wrapper"
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[ -x "${D}/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} || die "failed to install ${1} as $trg"
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shift
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done
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}
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# @FUNCTION: etexmf-update
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# @USAGE: In ebuilds' pkg_postinst and pkg_postrm phases
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# @DESCRIPTION:
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# Runs texmf-update if it is available and prints a warning otherwise. This
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# function helps in factorizing some code.
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etexmf-update() {
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if has_version 'app-text/texlive-core' ; then
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if [ "$ROOT" = "/" ] && [ -x /usr/sbin/texmf-update ] ; then
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/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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