gentoo-x86/eclass/font.eclass

# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/font.eclass,v 1.52 2010/09/30 03:46:11 dirtyepic Exp $

# @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
# @DEFAULT_UNSET
# @REQUIRED
# @DESCRIPTION:
# Working directory 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
        )
        >=media-libs/fontconfig-2.4.0"

# @FUNCTION: font_xfont_config
# @DESCRIPTION:
# Generate Xorg font files (mkfontscale/mkfontdir).
font_xfont_config() {
        if has X ${IUSE//+} && use X ; then
                ebegin "Creating fonts.scale & fonts.dir"
                rm -f "${ED}${FONTDIR}"/fonts.{dir,scale}
                mkfontscale "${ED}${FONTDIR}"
                mkfontdir \
                        -e ${EPREFIX}/usr/share/fonts/encodings \
                        -e ${EPREFIX}/usr/share/fonts/encodings/large \
                        "${ED}${FONTDIR}"
                eend $?
                if [[ -e ${FONT_S}/fonts.alias ]] ; then
                        doins "${FONT_S}"/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 suffix commondoc

        pushd "${FONT_S}" > /dev/null

        insinto "${FONTDIR}"

        for suffix in ${FONT_SUFFIX}; do
                doins *.${suffix}
        done

        rm -f fonts.{dir,scale} encodings.dir

        font_xfont_config
        font_fontconfig

        popd > /dev/null

        [[ -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 [[ ${ROOT} == / ]]; then
                ebegin "Updating global fontcache"
                fc-cache -fs
                eend $?
        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 [[ ${ROOT} == / ]]; then
                ebegin "Updating global fontcache"
                fc-cache -fs
                eend $?
        fi
}
1	vapier	1.53	# Copyright 1999-2011 Gentoo Foundation
2	foser	1.1	# Distributed under the terms of the GNU General Public License v2
3	vapier	1.53	# $Header: /var/cvsroot/gentoo-x86/eclass/font.eclass,v 1.52 2010/09/30 03:46:11 dirtyepic Exp $
4	foser	1.1
5	pva	1.38	# @ECLASS: font.eclass
6			# @MAINTAINER:
7	vapier	1.53	# fonts@gentoo.org
8	pva	1.38	# @BLURB: Eclass to make font installation uniform
9	foser	1.1
10	kugelfang	1.7	inherit eutils
11
12	dirtyepic	1.45	EXPORT_FUNCTIONS pkg_setup src_install pkg_postinst pkg_postrm
13
14	pva	1.38	# @ECLASS-VARIABLE: FONT_SUFFIX
15	dirtyepic	1.52	# @DEFAULT_UNSET
16			# @REQUIRED
17	pva	1.38	# @DESCRIPTION:
18	dirtyepic	1.50	# Space delimited list of font suffixes to install.
19	dirtyepic	1.52	FONT_SUFFIX=${FONT_SUFFIX:-}
20	pva	1.38
21			# @ECLASS-VARIABLE: FONT_S
22	dirtyepic	1.52	# @DEFAULT_UNSET
23			# @REQUIRED
24	pva	1.38	# @DESCRIPTION:
25	dirtyepic	1.50	# Working directory containing the fonts.
26	dirtyepic	1.52	FONT_S=${FONT_S:-${S}}
27	pva	1.38
28			# @ECLASS-VARIABLE: FONT_PN
29			# @DESCRIPTION:
30	dirtyepic	1.50	# Font name (ie. last part of FONTDIR).
31	dirtyepic	1.52	FONT_PN=${FONT_PN:-${PN}}
32	pva	1.38
33			# @ECLASS-VARIABLE: FONTDIR
34			# @DESCRIPTION:
35	dirtyepic	1.50	# Full path to installation directory.
36	dirtyepic	1.46	FONTDIR=${FONTDIR:-/usr/share/fonts/${FONT_PN}}
37	pva	1.38
38			# @ECLASS-VARIABLE: FONT_CONF
39	dirtyepic	1.52	# @DEFAULT_UNSET
40	pva	1.38	# @DESCRIPTION:
41	dirtyepic	1.50	# Array containing fontconfig conf files to install.
42	maekke	1.43	FONT_CONF=( "" )
43	pva	1.38
44			# @ECLASS-VARIABLE: DOCS
45	dirtyepic	1.52	# @DEFAULT_UNSET
46	pva	1.38	# @DESCRIPTION:
47	dirtyepic	1.50	# Space delimited list of docs to install.
48	vapier	1.53	# We always install these:
49	dirtyepic	1.52	# COPYRIGHT README{,.txt} NEWS AUTHORS BUGS ChangeLog FONTLOG.txt
50	dirtyepic	1.46	DOCS=${DOCS:-}
51	foser	1.1
52	swegener	1.15	IUSE="X"
53	foser	1.1
54	scarabeus	1.48	DEPEND="X? (
55			x11-apps/mkfontdir
56			media-fonts/encodings
57			)
58			>=media-libs/fontconfig-2.4.0"
59	foser	1.1
60	pva	1.38	# @FUNCTION: font_xfont_config
61			# @DESCRIPTION:
62	dirtyepic	1.50	# Generate Xorg font files (mkfontscale/mkfontdir).
63	foser	1.2	font_xfont_config() {
64	scarabeus	1.48	if has X ${IUSE//+} && use X ; then
65			ebegin "Creating fonts.scale & fonts.dir"
66			rm -f "${ED}${FONTDIR}"/fonts.{dir,scale}
67			mkfontscale "${ED}${FONTDIR}"
68	foser	1.1	mkfontdir \
69	scarabeus	1.48	-e ${EPREFIX}/usr/share/fonts/encodings \
70			-e ${EPREFIX}/usr/share/fonts/encodings/large \
71			"${ED}${FONTDIR}"
72			eend $?
73	dirtyepic	1.50	if [[ -e ${FONT_S}/fonts.alias ]] ; then
74			doins "${FONT_S}"/fonts.alias
75	usata	1.3	fi
76	foser	1.1	fi
77	foser	1.2	}
78
79	pva	1.38	# @FUNCTION: font_fontconfig
80			# @DESCRIPTION:
81	dirtyepic	1.50	# Install fontconfig conf files given in FONT_CONF.
82	dirtyepic	1.24	font_fontconfig() {
83			local conffile
84	pva	1.36	if [[ -n ${FONT_CONF[@]} ]]; then
85	scarabeus	1.48	insinto /etc/fonts/conf.avail/
86			for conffile in "${FONT_CONF[@]}"; do
87			[[ -e ${conffile} ]] && doins ${conffile}
88			done
89	dirtyepic	1.24	fi
90			}
91
92	dirtyepic	1.49	# @FUNCTION: font_cleanup_dirs
93			# @DESCRIPTION:
94	dirtyepic	1.50	# Remove font directories containing only generated files.
95	dirtyepic	1.49	font_cleanup_dirs() {
96			local genfiles="encodings.dir fonts.alias fonts.cache-1 fonts.dir fonts.scale"
97	dirtyepic	1.51	# fonts.alias isn't generated but it's a special case (see below).
98	dirtyepic	1.49	local d f g generated candidate otherfile
99
100	dirtyepic	1.51	ebegin "Cleaning up font directories"
101	dirtyepic	1.49	find -L "${EROOT}"usr/share/fonts/ -type d -print0 \| while read -d $'\0' d; do
102			candidate=false
103			otherfile=false
104			for f in "${d}"/*; do
105			generated=false
106	dirtyepic	1.51	# make sure this is a file and not a subdir
107	dirtyepic	1.49	[[ -e ${f} \|\| -L ${f} ]] \|\| continue
108			for g in ${genfiles}; do
109			if [[ ${f##*/} == ${g} ]]; then
110	dirtyepic	1.51	# this is a generated file
111	dirtyepic	1.49	generated=true
112			break
113			fi
114			done
115	dirtyepic	1.51	# if the file is a generated file then we know this is a font dir (as
116	dirtyepic	1.52	# opposed to something like encodings or util) and a candidate for
117	dirtyepic	1.51	# removal. if it's not generated then it's an "otherfile".
118	dirtyepic	1.49	${generated} && candidate=true \|\| otherfile=true
119	dirtyepic	1.51	# if the directory is both a candidate for removal and contains at
120			# least one "otherfile" then don't remove it.
121			[[ ${candidate} == ${otherfile} ]] && break
122	dirtyepic	1.49	done
123	dirtyepic	1.52	# if in the end we only have generated files, purge the directory.
124	dirtyepic	1.49	if [[ ${candidate} == true && ${otherfile} == false ]]; then
125	dirtyepic	1.51	# we don't want to remove fonts.alias files that were installed by
126			# media-fonts/font-alias. any other fonts.alias files will have
127			# already been unmerged with their packages.
128			for g in ${genfiles}; do
129			[[ ${g} != fonts.alias && ( -e ${d}/${g} \|\| -L ${d}/${g} ) ]] \
130			&& rm "${d}"/${g}
131			done
132			# if there's nothing left remove the directory
133			find "${d}" -maxdepth 0 -type d -empty -exec rmdir '{}' \;
134	dirtyepic	1.49	fi
135			done
136			eend 0
137			}
138
139	dirtyepic	1.52	# @FUNCTION: font_pkg_setup
140			# @DESCRIPTION:
141			# The font pkg_setup function.
142			# Collision protection and Prefix compat for eapi < 3.
143			font_pkg_setup() {
144			# Prefix compat
145			case ${EAPI:-0} in
146			0\|1\|2)
147			if ! use prefix; then
148			EPREFIX=
149			ED=${D}
150			EROOT=${ROOT}
151			[[ ${EROOT} = */ ]] \|\| EROOT+="/"
152			fi
153			;;
154			esac
155
156			# make sure we get no collisions
157			# setup is not the nicest place, but preinst doesn't cut it
158			[[ -e "${EROOT}/${FONTDIR}/fonts.cache-1" ]] && rm -f "${EROOT}/${FONTDIR}/fonts.cache-1"
159			}
160
161	pva	1.38	# @FUNCTION: font_src_install
162			# @DESCRIPTION:
163	scarabeus	1.48	# The font src_install function.
164	foser	1.2	font_src_install() {
165	dirtyepic	1.23	local suffix commondoc
166	foser	1.2
167	scarabeus	1.48	pushd "${FONT_S}" > /dev/null
168	foser	1.2
169	robbat2	1.18	insinto "${FONTDIR}"
170	swegener	1.15
171	foser	1.2	for suffix in ${FONT_SUFFIX}; do
172	dirtyepic	1.28	doins *.${suffix}
173	foser	1.2	done
174
175			rm -f fonts.{dir,scale} encodings.dir
176
177			font_xfont_config
178	dirtyepic	1.24	font_fontconfig
179	foser	1.2
180	scarabeus	1.48	popd > /dev/null
181
182			[[ -n ${DOCS} ]] && { dodoc ${DOCS} \|\| die "docs installation failed" ; }
183	foser	1.11
184	dirtyepic	1.23	# install common docs
185	dirtyepic	1.37	for commondoc in COPYRIGHT README{,.txt} NEWS AUTHORS BUGS ChangeLog FONTLOG.txt; do
186	dirtyepic	1.24	[[ -s ${commondoc} ]] && dodoc ${commondoc}
187	dirtyepic	1.23	done
188	foser	1.1	}
189
190	pva	1.38	# @FUNCTION: font_pkg_postinst
191			# @DESCRIPTION:
192	scarabeus	1.48	# The font pkg_postinst function.
193	foser	1.19	font_pkg_postinst() {
194	dirtyepic	1.31	# unreadable font files = fontconfig segfaults
195	scarabeus	1.48	find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
196	dirtyepic	1.33	\| xargs -0 chmod -v 0644 2>/dev/null
197	dirtyepic	1.30
198	dirtyepic	1.45	if [[ -n ${FONT_CONF[@]} ]]; then
199	scarabeus	1.48	local conffile
200			echo
201			elog "The following fontconfig configuration files have been installed:"
202			elog
203			for conffile in "${FONT_CONF[@]}"; do
204			if [[ -e ${EROOT}etc/fonts/conf.avail/$(basename ${conffile}) ]]; then
205			elog " $(basename ${conffile})"
206			fi
207			done
208			elog
209			elog "Use \`eselect fontconfig\` to enable/disable them."
210			echo
211			fi
212
213			if [[ ${ROOT} == / ]]; then
214			ebegin "Updating global fontcache"
215			fc-cache -fs
216			eend $?
217	foser	1.19	fi
218			}
219
220	pva	1.38	# @FUNCTION: font_pkg_postrm
221			# @DESCRIPTION:
222	scarabeus	1.48	# The font pkg_postrm function.
223	foser	1.19	font_pkg_postrm() {
224	dirtyepic	1.49	font_cleanup_dirs
225
226	dirtyepic	1.31	# unreadable font files = fontconfig segfaults
227	scarabeus	1.48	find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
228	dirtyepic	1.33	\| xargs -0 chmod -v 0644 2>/dev/null
229	dirtyepic	1.30
230	scarabeus	1.48	if [[ ${ROOT} == / ]]; then
231			ebegin "Updating global fontcache"
232			fc-cache -fs
233			eend $?
234	foser	1.19	fi
235	foser	1.12	}