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font.eclass
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font.eclass
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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: font.eclass
# @MAINTAINER:
# @SUPPORTED_EAPIS: 5 6 7
# @BLURB: Eclass to make font installation uniform
case ${EAPI:-0} in
[56]) inherit eutils ;;
7) ;;
*) die "EAPI ${EAPI} is not supported by font.eclass." ;;
esac
if [[ ! ${_FONT_ECLASS} ]]; then
EXPORT_FUNCTIONS pkg_setup src_install pkg_postinst pkg_postrm
# @ECLASS-VARIABLE: FONT_SUFFIX
# @DEFAULT_UNSET
# @REQUIRED
# @DESCRIPTION:
# Space delimited list of font suffixes to install.
FONT_SUFFIX=${FONT_SUFFIX:-}
# @ECLASS-VARIABLE: FONT_S
# @DEFAULT_UNSET
# @DESCRIPTION:
# Directory containing the fonts. If unset, ${S} is used instead.
# Can also be an array of several directories.
# @ECLASS-VARIABLE: FONT_PN
# @DESCRIPTION:
# Font name (ie. last part of FONTDIR).
FONT_PN=${FONT_PN:-${PN}}
# @ECLASS-VARIABLE: FONTDIR
# @DESCRIPTION:
# Full path to installation directory.
FONTDIR=${FONTDIR:-/usr/share/fonts/${FONT_PN}}
# @ECLASS-VARIABLE: FONT_CONF
# @DEFAULT_UNSET
# @DESCRIPTION:
# Array containing fontconfig conf files to install.
FONT_CONF=( "" )
# @ECLASS-VARIABLE: DOCS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Space delimited list of docs to install.
# We always install these:
# COPYRIGHT README{,.txt} NEWS AUTHORS BUGS ChangeLog FONTLOG.txt
DOCS=${DOCS:-}
if [[ ${CATEGORY}/${PN} != media-fonts/encodings ]]; then
IUSE="X"
DEPEND="X? (
>=x11-apps/mkfontscale-1.2.0
media-fonts/encodings
)"
RDEPEND=""
fi
# @FUNCTION: font_xfont_config
# @DESCRIPTION:
# Generate Xorg font files (mkfontscale/mkfontdir).
font_xfont_config() {
local dir_name
if in_iuse X && use X ; then
dir_name="${1:-${FONT_PN}}"
rm -f "${ED%/}/${FONTDIR}/${1//${S}/}"/{fonts.{dir,scale},encodings.dir} \
|| die "failed to prepare ${FONTDIR}/${1//${S}/}"
einfo "Creating fonts.scale & fonts.dir in ${dir_name##*/}"
mkfontscale "${ED%/}/${FONTDIR}/${1//${S}/}" || eerror "failed to create fonts.scale"
mkfontdir \
-e ${EPREFIX}/usr/share/fonts/encodings \
-e ${EPREFIX}/usr/share/fonts/encodings/large \
"${ED%/}/${FONTDIR}/${1//${S}/}" || eerror "failed to create fonts.dir"
[[ -e fonts.alias ]] && doins fonts.alias
fi
}
# @FUNCTION: font_fontconfig
# @DESCRIPTION:
# Install fontconfig conf files given in FONT_CONF.
font_fontconfig() {
local conffile
if [[ -n ${FONT_CONF[@]} ]]; then
insinto /etc/fonts/conf.avail/
for conffile in "${FONT_CONF[@]}"; do
[[ -e ${conffile} ]] && doins "${conffile}"
done
fi
}
# @FUNCTION: font_cleanup_dirs
# @DESCRIPTION:
# Remove font directories containing only generated files.
font_cleanup_dirs() {
local genfiles="encodings.dir fonts.alias fonts.cache-1 fonts.dir fonts.scale"
# fonts.alias isn't generated but it's a special case (see below).
local d f g generated candidate otherfile
ebegin "Cleaning up font directories"
while read -d $'\0' -r; do
candidate=false
otherfile=false
for f in "${d}"/*; do
generated=false
# make sure this is a file and not a subdir
[[ -e ${f} || -L ${f} ]] || continue
if has ${f##*/} ${genfiles}; then
# this is a generated file
generated=true
break
fi
# if the file is a generated file then we know this is a font dir (as
# opposed to something like encodings or util) and a candidate for
# removal. if it's not generated then it's an "otherfile".
${generated} && candidate=true || otherfile=true
# if the directory is both a candidate for removal and contains at
# least one "otherfile" then don't remove it.
[[ ${candidate} == ${otherfile} ]] && break
done
# if in the end we only have generated files, purge the directory.
if [[ ${candidate} == true && ${otherfile} == false ]]; then
# we don't want to remove fonts.alias files that were installed by
# media-fonts/font-alias. any other fonts.alias files will have
# already been unmerged with their packages.
for g in ${genfiles}; do
if [[ ${g} != fonts.alias && ( -e ${d}/${g} || -L ${d}/${g} ) ]] ; then
rm "${d}"/${g} || eerror "failed to remove ${d}/${g}"
fi
done
# if there's nothing left remove the directory
find "${d}" -maxdepth 0 -type d -empty -delete || eerror "failed to purge ${d}"
fi
done < <(find -L "${EROOT%/}"/usr/share/fonts/ -type d -print0)
eend 0
}
# @FUNCTION: font_pkg_setup
# @DESCRIPTION:
# The font pkg_setup function.
# Collision protection
font_pkg_setup() {
# make sure we get no collisions
# setup is not the nicest place, but preinst doesn't cut it
if [[ -e "${EROOT%/}/${FONTDIR}/fonts.cache-1" ]] ; then
rm "${EROOT%/}/${FONTDIR}/fonts.cache-1" || die "failed to remove fonts.cache-1"
fi
}
# @FUNCTION: font_src_install
# @DESCRIPTION:
# The font src_install function.
font_src_install() {
local dir suffix commondoc
if [[ $(declare -p FONT_S 2>/dev/null) == "declare -a"* ]]; then
# recreate the directory structure if FONT_S is an array
for dir in "${FONT_S[@]}"; do
pushd "${dir}" > /dev/null || die "pushd ${dir} failed"
insinto "${FONTDIR}/${dir#"${S}"}"
for suffix in ${FONT_SUFFIX}; do
doins *.${suffix}
done
font_xfont_config "${dir}"
popd > /dev/null || die
done
elif [[ ${FONT_S/[[:space:]]} != "${FONT_S}" ]]; then
# backwards compatibility code, can be removed after 2021-02-14
eqawarn "Using a space-separated list for FONT_S is deprecated."
eqawarn "Use a bash array instead if there are multiple directories."
for dir in ${FONT_S}; do
pushd "${dir}" > /dev/null || die "pushd ${dir} failed"
insinto "${FONTDIR}/${dir//${S}/}"
for suffix in ${FONT_SUFFIX}; do
doins *.${suffix}
done
font_xfont_config "${dir}"
popd > /dev/null || die
done
else
pushd "${FONT_S:-${S}}" > /dev/null \
|| die "pushd ${FONT_S:-${S}} failed"
insinto "${FONTDIR}"
for suffix in ${FONT_SUFFIX}; do
doins *.${suffix}
done
font_xfont_config
popd > /dev/null || die
fi
font_fontconfig
einstalldocs
# install common docs
for commondoc in COPYRIGHT FONTLOG.txt; do
[[ -s ${commondoc} ]] && dodoc ${commondoc}
done
}
# @FUNCTION: _update_fontcache
# @DESCRIPTION:
# Updates fontcache if !prefix and media-libs/fontconfig installed
_update_fontcache() {
# unreadable font files = fontconfig segfaults
find "${EROOT%/}"/usr/share/fonts/ -type f '!' -perm 0644 \
-exec chmod -v 0644 2>/dev/null {} + || die "failed to fix font files perms"
if [[ -z ${ROOT%/} ]] ; then
if has_version media-libs/fontconfig ; then
ebegin "Updating global fontcache"
fc-cache -fs
if ! eend $? ; then
die "failed to update global fontcache"
fi
else
einfo "Skipping fontcache update (media-libs/fontconfig not installed)"
fi
else
einfo "Skipping fontcache update (ROOT != /)"
fi
}
# @FUNCTION: font_pkg_postinst
# @DESCRIPTION:
# The font pkg_postinst function.
font_pkg_postinst() {
if [[ -n ${FONT_CONF[@]} ]]; then
local conffile
elog "The following fontconfig configuration files have been installed:"
elog
for conffile in "${FONT_CONF[@]}"; do
[[ -e "${EROOT%/}"/etc/fonts/conf.avail/${conffile##*/} ]] &&
elog " ${conffile##*/}"
done
elog
elog "Use \`eselect fontconfig\` to enable/disable them."
fi
_update_fontcache
}
# @FUNCTION: font_pkg_postrm
# @DESCRIPTION:
# The font pkg_postrm function.
font_pkg_postrm() {
font_cleanup_dirs
_update_fontcache
}
_FONT_ECLASS=1
fi