gentoo-x86/eclass/font.eclass

# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/font.eclass,v 1.49 2010/04/20 04:06:59 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
# @DESCRIPTION:
# Space delimited list of font suffixes to install.
FONT_SUFFIX=${FONT_SUFFIX:=}

# @ECLASS-VARIABLE: FONT_S
# @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
# @DESCRIPTION:
# Array containing fontconfig conf files to install.
FONT_CONF=( "" )

# @ECLASS-VARIABLE: DOCS
# @DESCRIPTION:
# Space delimited list of docs to install.
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"
        local d f g generated candidate otherfile

        ebegin "Purging empty 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
                        [[ -e ${f} || -L ${f} ]] || continue
                        for g in ${genfiles}; do
                                if [[ ${f##*/} == ${g} ]]; then
                                        generated=true
                                        break
                                fi
                        done
                        ${generated} && candidate=true || otherfile=true
                        [[ ${candidate} == ${otherfile} ]] && break # both are true, keep the dir
                done
                if [[ ${candidate} == true && ${otherfile} == false ]]; then
                        ebegin "Removing ${d}"
                        rm -rf "${d}"
                        eend $?
                fi
        done
        eend 0
}

# @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_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_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	# Copyright 1999-2010 Gentoo Foundation
2	# Distributed under the terms of the GNU General Public License v2
3	# $Header: /var/cvsroot/gentoo-x86/eclass/font.eclass,v 1.49 2010/04/20 04:06:59 dirtyepic Exp $
4
5	# @ECLASS: font.eclass
6	# @MAINTAINER:
7	# fonts@gentoo.org
8	# @BLURB: Eclass to make font installation uniform
9
10	inherit eutils
11
12	EXPORT_FUNCTIONS pkg_setup src_install pkg_postinst pkg_postrm
13
14	# @ECLASS-VARIABLE: FONT_SUFFIX
15	# @DESCRIPTION:
16	# Space delimited list of font suffixes to install.
17	FONT_SUFFIX=${FONT_SUFFIX:=}
18
19	# @ECLASS-VARIABLE: FONT_S
20	# @DESCRIPTION:
21	# Working directory containing the fonts.
22	FONT_S=${FONT_S:=${S}}
23
24	# @ECLASS-VARIABLE: FONT_PN
25	# @DESCRIPTION:
26	# Font name (ie. last part of FONTDIR).
27	FONT_PN=${FONT_PN:=${PN}}
28
29	# @ECLASS-VARIABLE: FONTDIR
30	# @DESCRIPTION:
31	# Full path to installation directory.
32	FONTDIR=${FONTDIR:-/usr/share/fonts/${FONT_PN}}
33
34	# @ECLASS-VARIABLE: FONT_CONF
35	# @DESCRIPTION:
36	# Array containing fontconfig conf files to install.
37	FONT_CONF=( "" )
38
39	# @ECLASS-VARIABLE: DOCS
40	# @DESCRIPTION:
41	# Space delimited list of docs to install.
42	DOCS=${DOCS:-}
43
44	IUSE="X"
45
46	DEPEND="X? (
47	x11-apps/mkfontdir
48	media-fonts/encodings
49	)
50	>=media-libs/fontconfig-2.4.0"
51
52	# @FUNCTION: font_xfont_config
53	# @DESCRIPTION:
54	# Generate Xorg font files (mkfontscale/mkfontdir).
55	font_xfont_config() {
56	if has X ${IUSE//+} && use X ; then
57	ebegin "Creating fonts.scale & fonts.dir"
58	rm -f "${ED}${FONTDIR}"/fonts.{dir,scale}
59	mkfontscale "${ED}${FONTDIR}"
60	mkfontdir \
61	-e ${EPREFIX}/usr/share/fonts/encodings \
62	-e ${EPREFIX}/usr/share/fonts/encodings/large \
63	"${ED}${FONTDIR}"
64	eend $?
65	if [[ -e ${FONT_S}/fonts.alias ]] ; then
66	doins "${FONT_S}"/fonts.alias
67	fi
68	fi
69	}
70
71	# @FUNCTION: font_fontconfig
72	# @DESCRIPTION:
73	# Install fontconfig conf files given in FONT_CONF.
74	font_fontconfig() {
75	local conffile
76	if [[ -n ${FONT_CONF[@]} ]]; then
77	insinto /etc/fonts/conf.avail/
78	for conffile in "${FONT_CONF[@]}"; do
79	[[ -e ${conffile} ]] && doins ${conffile}
80	done
81	fi
82	}
83
84	# @FUNCTION: font_cleanup_dirs
85	# @DESCRIPTION:
86	# Remove font directories containing only generated files.
87	font_cleanup_dirs() {
88	local genfiles="encodings.dir fonts.alias fonts.cache-1 fonts.dir fonts.scale"
89	local d f g generated candidate otherfile
90
91	ebegin "Purging empty font directories"
92	find -L "${EROOT}"usr/share/fonts/ -type d -print0 \| while read -d $'\0' d; do
93	candidate=false
94	otherfile=false
95	for f in "${d}"/*; do
96	generated=false
97	[[ -e ${f} \|\| -L ${f} ]] \|\| continue
98	for g in ${genfiles}; do
99	if [[ ${f##*/} == ${g} ]]; then
100	generated=true
101	break
102	fi
103	done
104	${generated} && candidate=true \|\| otherfile=true
105	[[ ${candidate} == ${otherfile} ]] && break # both are true, keep the dir
106	done
107	if [[ ${candidate} == true && ${otherfile} == false ]]; then
108	ebegin "Removing ${d}"
109	rm -rf "${d}"
110	eend $?
111	fi
112	done
113	eend 0
114	}
115
116	# @FUNCTION: font_src_install
117	# @DESCRIPTION:
118	# The font src_install function.
119	font_src_install() {
120	local suffix commondoc
121
122	pushd "${FONT_S}" > /dev/null
123
124	insinto "${FONTDIR}"
125
126	for suffix in ${FONT_SUFFIX}; do
127	doins *.${suffix}
128	done
129
130	rm -f fonts.{dir,scale} encodings.dir
131
132	font_xfont_config
133	font_fontconfig
134
135	popd > /dev/null
136
137	[[ -n ${DOCS} ]] && { dodoc ${DOCS} \|\| die "docs installation failed" ; }
138
139	# install common docs
140	for commondoc in COPYRIGHT README{,.txt} NEWS AUTHORS BUGS ChangeLog FONTLOG.txt; do
141	[[ -s ${commondoc} ]] && dodoc ${commondoc}
142	done
143	}
144
145	# @FUNCTION: font_pkg_setup
146	# @DESCRIPTION:
147	# The font pkg_setup function.
148	# Collision protection and Prefix compat for eapi < 3.
149	font_pkg_setup() {
150	# Prefix compat
151	case ${EAPI:-0} in
152	0\|1\|2)
153	if ! use prefix; then
154	EPREFIX=
155	ED=${D}
156	EROOT=${ROOT}
157	[[ ${EROOT} = */ ]] \|\| EROOT+="/"
158	fi
159	;;
160	esac
161
162	# make sure we get no collisions
163	# setup is not the nicest place, but preinst doesn't cut it
164	[[ -e "${EROOT}/${FONTDIR}/fonts.cache-1" ]] && rm -f "${EROOT}/${FONTDIR}/fonts.cache-1"
165	}
166
167	# @FUNCTION: font_pkg_postinst
168	# @DESCRIPTION:
169	# The font pkg_postinst function.
170	font_pkg_postinst() {
171	# unreadable font files = fontconfig segfaults
172	find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
173	\| xargs -0 chmod -v 0644 2>/dev/null
174
175	if [[ -n ${FONT_CONF[@]} ]]; then
176	local conffile
177	echo
178	elog "The following fontconfig configuration files have been installed:"
179	elog
180	for conffile in "${FONT_CONF[@]}"; do
181	if [[ -e ${EROOT}etc/fonts/conf.avail/$(basename ${conffile}) ]]; then
182	elog " $(basename ${conffile})"
183	fi
184	done
185	elog
186	elog "Use \`eselect fontconfig\` to enable/disable them."
187	echo
188	fi
189
190	if [[ ${ROOT} == / ]]; then
191	ebegin "Updating global fontcache"
192	fc-cache -fs
193	eend $?
194	fi
195	}
196
197	# @FUNCTION: font_pkg_postrm
198	# @DESCRIPTION:
199	# The font pkg_postrm function.
200	font_pkg_postrm() {
201	font_cleanup_dirs
202
203	# unreadable font files = fontconfig segfaults
204	find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
205	\| xargs -0 chmod -v 0644 2>/dev/null
206
207	if [[ ${ROOT} == / ]]; then
208	ebegin "Updating global fontcache"
209	fc-cache -fs
210	eend $?
211	fi
212	}