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236 lines
6.5 KiB
236 lines
6.5 KiB
# Copyright 1999-2021 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: font.eclass
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# @MAINTAINER:
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# fonts@gentoo.org
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# @SUPPORTED_EAPIS: 7
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# @BLURB: Eclass to make font installation uniform
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case ${EAPI:-0} in
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7) ;;
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*) die "EAPI ${EAPI} is not supported by font.eclass." ;;
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esac
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if [[ ! ${_FONT_ECLASS} ]]; then
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_FONT_ECLASS=1
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EXPORT_FUNCTIONS pkg_setup src_install pkg_postinst pkg_postrm
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# @ECLASS-VARIABLE: FONT_SUFFIX
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# @DEFAULT_UNSET
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# @REQUIRED
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# @DESCRIPTION:
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# Space delimited list of font suffixes to install.
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FONT_SUFFIX=${FONT_SUFFIX:-}
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# @ECLASS-VARIABLE: FONT_S
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Directory containing the fonts. If unset, ${S} is used instead.
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# Can also be an array of several directories.
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# @ECLASS-VARIABLE: FONT_PN
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# @DESCRIPTION:
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# Font name (ie. last part of FONTDIR).
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FONT_PN=${FONT_PN:-${PN}}
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# @ECLASS-VARIABLE: FONTDIR
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# @DESCRIPTION:
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# Full path to installation directory.
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FONTDIR=${FONTDIR:-/usr/share/fonts/${FONT_PN}}
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# @ECLASS-VARIABLE: FONT_CONF
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Array containing fontconfig conf files to install.
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FONT_CONF=( "" )
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if [[ ${CATEGORY}/${PN} != media-fonts/encodings ]]; then
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IUSE="X"
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BDEPEND="X? (
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>=x11-apps/mkfontscale-1.2.0
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media-fonts/encodings
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)"
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fi
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# @FUNCTION: font_xfont_config
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# @DESCRIPTION:
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# Generate Xorg font files (mkfontscale/mkfontdir).
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font_xfont_config() {
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local dir_name
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if in_iuse X && use X ; then
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dir_name="${1:-${FONT_PN}}"
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rm -f "${ED}${FONTDIR}/${1//${S}/}"/{fonts.{dir,scale},encodings.dir} \
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|| die "failed to prepare ${FONTDIR}/${1//${S}/}"
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einfo "Creating fonts.scale & fonts.dir in ${dir_name##*/}"
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mkfontscale "${ED}${FONTDIR}/${1//${S}/}" || eerror "failed to create fonts.scale"
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mkfontdir \
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-e "${EPREFIX}"/usr/share/fonts/encodings \
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-e "${EPREFIX}"/usr/share/fonts/encodings/large \
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"${ED}${FONTDIR}/${1//${S}/}" || eerror "failed to create fonts.dir"
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[[ -e fonts.alias ]] && doins fonts.alias
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fi
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}
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# @FUNCTION: font_fontconfig
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# @DESCRIPTION:
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# Install fontconfig conf files given in FONT_CONF.
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font_fontconfig() {
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local conffile
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if [[ -n ${FONT_CONF[@]} ]]; then
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insinto /etc/fonts/conf.avail/
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for conffile in "${FONT_CONF[@]}"; do
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[[ -e ${conffile} ]] && doins "${conffile}"
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done
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fi
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}
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# @FUNCTION: font_cleanup_dirs
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# @DESCRIPTION:
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# Remove font directories containing only generated files.
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font_cleanup_dirs() {
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local genfiles="encodings.dir fonts.alias fonts.cache-1 fonts.dir fonts.scale"
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# fonts.alias isn't generated but it's a special case (see below).
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local d f g generated candidate otherfile
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ebegin "Cleaning up font directories"
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while read -d $'\0' -r; do
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candidate=false
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otherfile=false
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for f in "${d}"/*; do
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generated=false
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# make sure this is a file and not a subdir
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[[ -e ${f} || -L ${f} ]] || continue
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if has ${f##*/} ${genfiles}; then
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# this is a generated file
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generated=true
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break
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fi
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# if the file is a generated file then we know this is a font dir (as
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# opposed to something like encodings or util) and a candidate for
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# removal. if it's not generated then it's an "otherfile".
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${generated} && candidate=true || otherfile=true
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# if the directory is both a candidate for removal and contains at
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# least one "otherfile" then don't remove it.
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[[ ${candidate} == ${otherfile} ]] && break
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done
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# if in the end we only have generated files, purge the directory.
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if [[ ${candidate} == true && ${otherfile} == false ]]; then
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# we don't want to remove fonts.alias files that were installed by
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# media-fonts/font-alias. any other fonts.alias files will have
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# already been unmerged with their packages.
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for g in ${genfiles}; do
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if [[ ${g} != fonts.alias && ( -e ${d}/${g} || -L ${d}/${g} ) ]] ; then
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rm "${d}"/${g} || eerror "failed to remove ${d}/${g}"
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fi
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done
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# if there's nothing left remove the directory
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find "${d}" -maxdepth 0 -type d -empty -delete || eerror "failed to purge ${d}"
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fi
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done < <(find -L "${EROOT}"/usr/share/fonts/ -type d -print0)
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eend 0
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}
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# @FUNCTION: font_pkg_setup
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# @DESCRIPTION:
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# The font pkg_setup function.
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# Collision protection
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font_pkg_setup() {
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# make sure we get no collisions
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# setup is not the nicest place, but preinst doesn't cut it
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if [[ -e "${EROOT}${FONTDIR}/fonts.cache-1" ]] ; then
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rm "${EROOT}${FONTDIR}/fonts.cache-1" || die "failed to remove fonts.cache-1"
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fi
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}
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# @FUNCTION: font_src_install
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# @DESCRIPTION:
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# The font src_install function.
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font_src_install() {
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local dir suffix commondoc
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if [[ $(declare -p FONT_S 2>/dev/null) == "declare -a"* ]]; then
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# recreate the directory structure if FONT_S is an array
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for dir in "${FONT_S[@]}"; do
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pushd "${dir}" > /dev/null || die "pushd ${dir} failed"
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insinto "${FONTDIR}/${dir#"${S}"}"
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for suffix in ${FONT_SUFFIX}; do
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doins *.${suffix}
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done
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font_xfont_config "${dir}"
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popd > /dev/null || die
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done
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else
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pushd "${FONT_S:-${S}}" > /dev/null \
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|| die "pushd ${FONT_S:-${S}} failed"
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insinto "${FONTDIR}"
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for suffix in ${FONT_SUFFIX}; do
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doins *.${suffix}
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done
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font_xfont_config
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popd > /dev/null || die
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fi
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font_fontconfig
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einstalldocs
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# install common docs
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for commondoc in COPYRIGHT FONTLOG.txt; do
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[[ -s ${commondoc} ]] && dodoc ${commondoc}
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done
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}
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# @FUNCTION: _update_fontcache
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# @DESCRIPTION:
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# Updates fontcache if !prefix and media-libs/fontconfig installed
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_update_fontcache() {
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# unreadable font files = fontconfig segfaults
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find "${EROOT}"/usr/share/fonts/ -type f '!' -perm 0644 \
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-exec chmod -v 0644 2>/dev/null {} + || die "failed to fix font files perms"
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if [[ -z ${ROOT} ]] ; then
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if has_version media-libs/fontconfig ; then
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ebegin "Updating global fontcache"
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fc-cache -fs
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if ! eend $? ; then
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die "failed to update global fontcache"
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fi
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else
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einfo "Skipping fontcache update (media-libs/fontconfig not installed)"
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fi
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else
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einfo "Skipping fontcache update (ROOT != /)"
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fi
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}
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# @FUNCTION: font_pkg_postinst
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# @DESCRIPTION:
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# The font pkg_postinst function.
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font_pkg_postinst() {
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if [[ -n ${FONT_CONF[@]} ]]; then
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local conffile
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elog "The following fontconfig configuration files have been installed:"
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elog
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for conffile in "${FONT_CONF[@]}"; do
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[[ -e "${EROOT}"/etc/fonts/conf.avail/${conffile##*/} ]] &&
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elog " ${conffile##*/}"
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done
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elog
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elog "Use \`eselect fontconfig\` to enable/disable them."
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fi
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_update_fontcache
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}
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# @FUNCTION: font_pkg_postrm
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# @DESCRIPTION:
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# The font pkg_postrm function.
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font_pkg_postrm() {
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font_cleanup_dirs
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_update_fontcache
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}
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fi
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