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Revision 1.51 - (show annotations) (download)
Fri Jul 9 03:44:19 2010 UTC (4 years, 7 months ago) by dirtyepic
Branch: MAIN
Changes since 1.50: +21 -6 lines
When cleaning up generated files leave any fonts.alias from media-fonts/font-alias alone.  Add documentation. (bug #315369)

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 1.50 2010/05/15 05:25:32 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 ${conffile}
80 done
81 fi
82 }
83
84 # @FUNCTION: font_cleanup_dirs
85 # @DESCRIPTION:
86 # Remove font directories containing only generated files.
87 font_cleanup_dirs() {
88 local genfiles="encodings.dir fonts.alias fonts.cache-1 fonts.dir fonts.scale"
89 # fonts.alias isn't generated but it's a special case (see below).
90 local d f g generated candidate otherfile
91
92 ebegin "Cleaning up font directories"
93 find -L "${EROOT}"usr/share/fonts/ -type d -print0 | while read -d $'\0' d; do
94 candidate=false
95 otherfile=false
96 for f in "${d}"/*; do
97 generated=false
98 # make sure this is a file and not a subdir
99 [[ -e ${f} || -L ${f} ]] || continue
100 for g in ${genfiles}; do
101 if [[ ${f##*/} == ${g} ]]; then
102 # this is a generated file
103 generated=true
104 break
105 fi
106 done
107 # if the file is a generated file then we know this is a font dir (as
108 # opposed to something like encodings or util) and a candidate for
109 # removal. if it's not generated then it's an "otherfile".
110 ${generated} && candidate=true || otherfile=true
111 # if the directory is both a candidate for removal and contains at
112 # least one "otherfile" then don't remove it.
113 [[ ${candidate} == ${otherfile} ]] && break
114 done
115 # if we only have generated files, purge the directory.
116 if [[ ${candidate} == true && ${otherfile} == false ]]; then
117 # we don't want to remove fonts.alias files that were installed by
118 # media-fonts/font-alias. any other fonts.alias files will have
119 # already been unmerged with their packages.
120 for g in ${genfiles}; do
121 [[ ${g} != fonts.alias && ( -e ${d}/${g} || -L ${d}/${g} ) ]] \
122 && rm "${d}"/${g}
123 done
124 # if there's nothing left remove the directory
125 find "${d}" -maxdepth 0 -type d -empty -exec rmdir '{}' \;
126 fi
127 done
128 eend 0
129 }
130
131 # @FUNCTION: font_src_install
132 # @DESCRIPTION:
133 # The font src_install function.
134 font_src_install() {
135 local suffix commondoc
136
137 pushd "${FONT_S}" > /dev/null
138
139 insinto "${FONTDIR}"
140
141 for suffix in ${FONT_SUFFIX}; do
142 doins *.${suffix}
143 done
144
145 rm -f fonts.{dir,scale} encodings.dir
146
147 font_xfont_config
148 font_fontconfig
149
150 popd > /dev/null
151
152 [[ -n ${DOCS} ]] && { dodoc ${DOCS} || die "docs installation failed" ; }
153
154 # install common docs
155 for commondoc in COPYRIGHT README{,.txt} NEWS AUTHORS BUGS ChangeLog FONTLOG.txt; do
156 [[ -s ${commondoc} ]] && dodoc ${commondoc}
157 done
158 }
159
160 # @FUNCTION: font_pkg_setup
161 # @DESCRIPTION:
162 # The font pkg_setup function.
163 # Collision protection and Prefix compat for eapi < 3.
164 font_pkg_setup() {
165 # Prefix compat
166 case ${EAPI:-0} in
167 0|1|2)
168 if ! use prefix; then
169 EPREFIX=
170 ED=${D}
171 EROOT=${ROOT}
172 [[ ${EROOT} = */ ]] || EROOT+="/"
173 fi
174 ;;
175 esac
176
177 # make sure we get no collisions
178 # setup is not the nicest place, but preinst doesn't cut it
179 [[ -e "${EROOT}/${FONTDIR}/fonts.cache-1" ]] && rm -f "${EROOT}/${FONTDIR}/fonts.cache-1"
180 }
181
182 # @FUNCTION: font_pkg_postinst
183 # @DESCRIPTION:
184 # The font pkg_postinst function.
185 font_pkg_postinst() {
186 # unreadable font files = fontconfig segfaults
187 find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
188 | xargs -0 chmod -v 0644 2>/dev/null
189
190 if [[ -n ${FONT_CONF[@]} ]]; then
191 local conffile
192 echo
193 elog "The following fontconfig configuration files have been installed:"
194 elog
195 for conffile in "${FONT_CONF[@]}"; do
196 if [[ -e ${EROOT}etc/fonts/conf.avail/$(basename ${conffile}) ]]; then
197 elog " $(basename ${conffile})"
198 fi
199 done
200 elog
201 elog "Use \`eselect fontconfig\` to enable/disable them."
202 echo
203 fi
204
205 if [[ ${ROOT} == / ]]; then
206 ebegin "Updating global fontcache"
207 fc-cache -fs
208 eend $?
209 fi
210 }
211
212 # @FUNCTION: font_pkg_postrm
213 # @DESCRIPTION:
214 # The font pkg_postrm function.
215 font_pkg_postrm() {
216 font_cleanup_dirs
217
218 # unreadable font files = fontconfig segfaults
219 find "${EROOT}"usr/share/fonts/ -type f '!' -perm 0644 -print0 \
220 | xargs -0 chmod -v 0644 2>/dev/null
221
222 if [[ ${ROOT} == / ]]; then
223 ebegin "Updating global fontcache"
224 fc-cache -fs
225 eend $?
226 fi
227 }

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