Документ взят из кэша поисковой машины. Адрес оригинального документа : http://mirror.msu.net/pub/gentoo-portage/eclass/font.eclass Дата изменения: Sun Aug 9 03:38:18 2015 Дата индексирования: Sun Apr 10 02:50:14 2016 Кодировка:

# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

# @ECLASS: font.eclass
# @MAINTAINER:
# fonts@gentoo.org
# @BLURB: Eclass to make font installation uniform

inherit eutils

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
# @REQUIRED
# @DESCRIPTION:
# Space delimited list of directories containing the fonts.
FONT_S=${FONT_S:-${S}}

# @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:-}

IUSE="X"

DEPEND="X? (
x11-apps/mkfontdir
media-fonts/encodings
)"
RDEPEND=""

# @FUNCTION: font_xfont_config
# @DESCRIPTION:
# Generate Xorg font files (mkfontscale/mkfontdir).
font_xfont_config() {
local dir_name
if has X ${IUSE//+} && use X ; then
dir_name="${1:-${FONT_PN}}"
ebegin "Creating fonts.scale & fonts.dir in ${dir_name##*/}"
rm -f "${ED}${FONTDIR}/${1//${S}/}"/{fonts.{dir,scale},encodings.dir}
mkfontscale "${ED}${FONTDIR}/${1//${S}/}"
mkfontdir \
-e ${EPREFIX}/usr/share/fonts/encodings \
-e ${EPREFIX}/usr/share/fonts/encodings/large \
"${ED}${FONTDIR}/${1//${S}/}"
eend $?
if [[ -e fonts.alias ]] ; then
doins fonts.alias
fi
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"
find -L "${EROOT}"usr/share/fonts/ -type d -print0 | while read -d $'\0' d; do
candidate=false
otherfile=false
for f in "${d}"/*; do
generated=false
# make sure this is a file and not a subdir
[[ -e ${f} || -L ${f} ]] || continue
for g in ${genfiles}; do
if [[ ${f##*/} == ${g} ]]; then
# this is a generated file
generated=true
break
fi
done
# 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
[[ ${g} != fonts.alias && ( -e ${d}/${g} || -L ${d}/${g} ) ]] \
&& rm "${d}"/${g}
done
# if there's nothing left remove the directory
find "${d}" -maxdepth 0 -type d -empty -exec rmdir '{}' \;
fi
done
eend 0
}

# @FUNCTION: font_pkg_setup
# @DESCRIPTION:
# The font pkg_setup function.
# Collision protection and Prefix compat for eapi < 3.
font_pkg_setup() {
# Prefix compat
case ${EAPI:-0} in
0|1|2)
if ! use prefix; then
EPREFIX=
ED=${D}
EROOT=${ROOT}
[[ ${EROOT} = */ ]] || EROOT+="/"
fi
;;
esac

# make sure we get no collisions
# setup is not the nicest place, but preinst doesn't cut it
[[ -e "${EROOT}/${FONTDIR}/fonts.cache-1" ]] && rm -f "${EROOT}/${FONTDIR}/fonts.cache-1"
}

# @FUNCTION: font_src_install
# @DESCRIPTION:
# The font src_install function.
font_src_install() {
local dir suffix commondoc

set -- ${FONT_S:-${S}}
if [[ $# -gt 1 ]]; then
# if we have multiple FONT_S elements then we want to recreate the dir
# structure
for dir in ${FONT_S}; do
pushd "${dir}" > /dev/null
insinto "${FONTDIR}/${dir//${S}/}"
for suffix in ${FONT_SUFFIX}; do
doins *.${suffix}
done
font_xfont_config "${dir}"
popd > /dev/null
done
else
pushd "${FONT_S}" > /dev/null
insinto "${FONTDIR}"
for suffix in ${FONT_SUFFIX}; do
doins *.${suffix}
done
font_xfont_config
popd > /dev/null
fi

font_fontconfig

[[ -n ${DOCS} ]] && { dodoc ${DOCS} || die "docs installation failed" ; }

# install common docs
for commondoc in COPYRIGHT README{,.txt} NEWS AUTHORS BUGS ChangeLog FONTLOG.txt; do
[[ -s ${commondoc} ]] && dodoc ${commondoc}
done
}

# @FUNCTION: font_pkg_postinst
# @DESCRIPTION:
# The font pkg_postinst function.
font_pkg_postinst() {
# unreadable font files = fontconfig segfaults
find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
| xargs -0 chmod -v 0644 2>/dev/null

if [[ -n ${FONT_CONF[@]} ]]; then
local conffile
echo
elog "The following fontconfig configuration files have been installed:"
elog
for conffile in "${FONT_CONF[@]}"; do
if [[ -e ${EROOT}etc/fonts/conf.avail/$(basename ${conffile}) ]]; then
elog " $(basename ${conffile})"
fi
done
elog
elog "Use \`eselect fontconfig\` to enable/disable them."
echo
fi

if has_version media-libs/fontconfig && [[ ${ROOT} == / ]]; then
ebegin "Updating global fontcache"
fc-cache -fs
eend $?
else
einfo "Skipping fontcache update (media-libs/fontconfig is not installed or ROOT != /)"
fi
}

# @FUNCTION: font_pkg_postrm
# @DESCRIPTION:
# The font pkg_postrm function.
font_pkg_postrm() {
font_cleanup_dirs

# unreadable font files = fontconfig segfaults
find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
| xargs -0 chmod -v 0644 2>/dev/null

if has_version media-libs/fontconfig && [[ ${ROOT} == / ]]; then
ebegin "Updating global fontcache"
fc-cache -fs
eend $?
else
einfo "Skipping fontcache update (media-libs/fontconfig is not installed or ROOT != /)"
fi
}