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Revision 1.50 - (show annotations) (download)
Sat May 15 05:25:32 2010 UTC (4 years, 4 months ago) by dirtyepic
Branch: MAIN
Changes since 1.49: +14 -21 lines
Improve documentation.

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 }

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