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