/[gentoo-x86]/eclass/ruby-fakegem.eclass
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Revision 1.1 Revision 1.26
1# Copyright 1999-2009 Gentoo Foundation 1# Copyright 1999-2009 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.1 2009/12/14 12:32:18 a3li Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.26 2010/12/18 09:57:24 graaff Exp $
4# 4#
5# @ECLASS: ruby-fakegem.eclass 5# @ECLASS: ruby-fakegem.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# Ruby herd <ruby@gentoo.org> 7# Ruby herd <ruby@gentoo.org>
8# 8#
29# RUBY_FAKEGEM_VERSION="${PV}" 29# RUBY_FAKEGEM_VERSION="${PV}"
30 30
31# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_DOC 31# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_DOC
32# @DESCRIPTION: 32# @DESCRIPTION:
33# Specify the rake(1) task to run to generate documentation. 33# Specify the rake(1) task to run to generate documentation.
34# RUBY_FAKEGEM_VERSION="rdoc" 34# RUBY_FAKEGEM_TASK_DOC="rdoc"
35 35
36# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_TEST 36# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_TEST
37# @DESCRIPTION: 37# @DESCRIPTION:
38# Specify the rake(1) task used for executing tests. 38# Specify the rake(1) task used for executing tests.
39# RUBY_FAKEGEM_VERSION="test" 39# RUBY_FAKEGEM_TASK_TEST="test"
40
41# @ECLASS-VARIABLE: RUBY_FAKEGEM_DOCDIR
42# @DESCRIPTION:
43# Specify the directory under which the documentation is built;
44# if empty no documentation will be installed automatically.
45# RUBY_FAKEGEM_DOCDIR=""
46
47# @ECLASS-VARIABLE: RUBY_FAKEGEM_EXTRADOC
48# @DESCRIPTION:
49# Extra documentation to install (readme, changelogs, …).
50# RUBY_FAKEGEM_EXTRADOC=""
51
52# @ECLASS-VARIABLE: RUBY_FAKEGEM_BINWRAP
53# @DESCRIPTION:
54# Binaries to wrap around (relative to the bin/ directory)
55# RUBY_FAKEGEM_BINWRAP="*"
56
57# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS
58# @DESCRIPTION:
59# Extra require paths (beside lib) to add to the specification
60# RUBY_FAKEGEM_REQUIRE_PATHS=""
40 61
41RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}" 62RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
42RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV}}" 63RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
64RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
43 65
44RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}" 66RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}"
45RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}" 67RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}"
46 68
69RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}"
70
47if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then 71if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then
48 IUSE="$IUSE doc" 72 IUSE="$IUSE doc"
49 ruby_add_bdepend doc "dev-ruby/rake" 73 ruby_add_bdepend "doc? ( dev-ruby/rake )"
74fi
75
76if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]]; then
77 IUSE="$IUSE doc"
50fi 78fi
51 79
52if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then 80if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
53 IUSE="$IUSE test" 81 IUSE="$IUSE test"
54 ruby_add_bdepend test "dev-ruby/rake" 82 ruby_add_bdepend "test? ( dev-ruby/rake )"
55fi 83fi
56 84
85SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
86
57ruby_add_rdepend virtual/rubygems 87ruby_add_rdepend dev-ruby/rubygems
58 88
59# @FUNCTION: ruby_fakegem_gemsdir 89# @FUNCTION: ruby_fakegem_gemsdir
60# @RETURN: Returns the gem data directory 90# @RETURN: Returns the gem data directory
61# @DESCRIPTION: 91# @DESCRIPTION:
62# This function returns the gems data directory for the ruby 92# This function returns the gems data directory for the ruby
63# implementation in question. 93# implementation in question.
64ruby_fakegem_gemsdir() { 94ruby_fakegem_gemsdir() {
65 local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:') 95 has "${EAPI}" 2 && ! use prefix && EPREFIX=
96
97 local _gemsitedir=$(ruby_rbconfig_value 'sitelibdir')
98 _gemsitedir=${_gemsitedir//site_ruby/gems}
99 _gemsitedir=${_gemsitedir#${EPREFIX}}
66 100
67 [[ -z ${_gemsitedir} ]] && { 101 [[ -z ${_gemsitedir} ]] && {
68 eerror "Unable to find the gems dir" 102 eerror "Unable to find the gems dir"
69 die "Unable to find the gems dir" 103 die "Unable to find the gems dir"
70 } 104 }
106# Generates a gemspec for the package and places it into the "specifications" 140# Generates a gemspec for the package and places it into the "specifications"
107# directory of RubyGems. 141# directory of RubyGems.
108# In the gemspec, the following values are set: name, version, summary, 142# In the gemspec, the following values are set: name, version, summary,
109# homepage, and require_paths=["lib"]. 143# homepage, and require_paths=["lib"].
110# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version. 144# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version.
145# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
111ruby_fakegem_genspec() { 146ruby_fakegem_genspec() {
112 ( 147 (
148 local required_paths="'lib'"
149 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
150 required_paths="${required_paths}, '${path}'"
151 done
152
113 # We use the _ruby_implementation variable to avoid having stray 153 # We use the _ruby_implementation variable to avoid having stray
114 # copies with different implementations; while for now we're using 154 # copies with different implementations; while for now we're using
115 # the same exact content, we might have differences in the future, 155 # the same exact content, we might have differences in the future,
116 # so better taking this into consideration. 156 # so better taking this into consideration.
157 local quoted_description=${DESCRIPTION//\"/\\\"}
117 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 158 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF
159# generated by ruby-fakegem.eclass $Revision: 1.26 $
118Gem::Specification.new do |s| 160Gem::Specification.new do |s|
119 s.name = "${RUBY_FAKEGEM_NAME}" 161 s.name = "${RUBY_FAKEGEM_NAME}"
120 s.version = "${RUBY_FAKEGEM_VERSION}" 162 s.version = "${RUBY_FAKEGEM_VERSION}"
121 s.summary = "${DESCRIPTION}" 163 s.summary = "${quoted_description}"
122 s.homepage = "${HOMEPAGE}" 164 s.homepage = "${HOMEPAGE}"
123 s.require_paths = ["lib"] 165 s.require_paths = [${required_paths}]
124end 166end
125EOF 167EOF
126 168
127 insinto $(ruby_fakegem_gemsdir)/specifications 169 insinto $(ruby_fakegem_gemsdir)/specifications
128 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec 170 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
136# path defaults to /usr/bin/$command 178# path defaults to /usr/bin/$command
137ruby_fakegem_binwrapper() { 179ruby_fakegem_binwrapper() {
138 ( 180 (
139 local gembinary=$1 181 local gembinary=$1
140 local newbinary=${2:-/usr/bin/$gembinary} 182 local newbinary=${2:-/usr/bin/$gembinary}
183 local relativegembinary=${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin/${gembinary}
184 local binpath=$(dirname $newbinary)
185 [[ ${binpath} = . ]] && binpath=/usr/bin
186
187 # Try to find out whether the package is going to install for
188 # one or multiple implementations; if we're installing for a
189 # *single* implementation, no need to use “/usr/bin/env ruby”
190 # in the shebang, and we can actually avoid errors when
191 # calling the script by default (see for instance the
192 # JRuby-specific commands).
193 local rubycmd=
194 for implementation in ${USE_RUBY}; do
195 # ignore non-enabled implementations
196 use ruby_targets_${implementation} || continue
197 if [ -z $rubycmd ]; then
198 # if no other implementation was set before, set it.
199 rubycmd="$(ruby_implementation_command ${implementation})"
200 else
201 # if another implementation already arrived, then make
202 # it generic and break out of the loop. This ensures
203 # that we do at most two iterations.
204 rubycmd="/usr/bin/env ruby"
205 break
206 fi
207 done
141 208
142 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 209 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
143#!/usr/bin/env ruby 210#!${rubycmd}
144# This is a simplified version of the RubyGems wrapper 211# This is a simplified version of the RubyGems wrapper
145# 212#
146# Generated by ruby-fakegem.eclass 213# Generated by ruby-fakegem.eclass $Revision: 1.26 $
147 214
148require 'rubygems' 215require 'rubygems'
149 216
150load Gem::GemPathSearcher.new.find('$(tr [A-Z] [a-z] <<< ${RUBY_FAKEGEM_NAME})').full_gem_path + "/bin/${gembinary}" 217load Gem::default_path[-1] + "/gems/${relativegembinary}"
151 218
152EOF 219EOF
153 220
154 exeinto $(dirname $newbinary) 221 exeinto ${binpath:-/usr/bin}
155 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary) 222 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary)
156 ) || die "Unable to create fakegem wrapper" 223 ) || die "Unable to create fakegem wrapper"
157} 224}
158 225
159# @FUNCTION: all_fakegem_compile 226# @FUNCTION: all_fakegem_compile
171# Unpack the source archive, including support for unpacking gems. 238# Unpack the source archive, including support for unpacking gems.
172all_ruby_unpack() { 239all_ruby_unpack() {
173 # Special support for extracting .gem files; the file need to be 240 # Special support for extracting .gem files; the file need to be
174 # extracted twice and the mtime from the archive _has_ to be 241 # extracted twice and the mtime from the archive _has_ to be
175 # ignored (it's always set to epoch 0). 242 # ignored (it's always set to epoch 0).
176 # 243 for archive in ${A}; do
177 # This only works if there is exactly one archive and that archive 244 case "${archive}" in
178 # is a .gem file! 245 *.gem)
179 if [[ $(wc -w <<< ${A}) == 1 ]] && 246 # Make sure that we're not running unoack for more than
180 [[ ${A} == *.gem ]]; then 247 # one .gem file, since we won't support that at all.
248 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
249
181 ebegin "Unpacking .gem file..." 250 ebegin "Unpacking .gem file..."
182 tar -mxf ${DISTDIR}/${A} || die 251 tar -mxf ${DISTDIR}/${archive} || die
183 eend $? 252 eend $?
184 253
185 mkdir "${S}" 254 mkdir "${S}"
186 pushd "${S}" 255 pushd "${S}" &>/dev/null
187 256
188 ebegin "Unpacking data.tar.gz" 257 ebegin "Unpacking data.tar.gz"
189 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 258 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
190 eend $? 259 eend $?
191 else 260 popd &>/dev/null
192 [[ -n ${A} ]] && unpack ${A} 261 ;;
193 fi 262 *.patch.bz2)
263 # We apply the patches with RUBY_PATCHES directly from DISTDIR,
264 # as the WORKDIR variable changes value between the global-scope
265 # and the time all_ruby_unpack/_prepare are called. Since we can
266 # simply decompress them when applying, this is much easier to
267 # deal with for us.
268 einfo "Keeping ${archive} as-is"
269 ;;
270 *)
271 unpack ${archive}
272 ;;
273 esac
274 done
194} 275}
195 276
196# @FUNCTION: all_ruby_compile 277# @FUNCTION: all_ruby_compile
197# @DESCRIPTION: 278# @DESCRIPTION:
198# Compile the package. 279# Compile the package.
203# @FUNCTION: each_fakegem_test 284# @FUNCTION: each_fakegem_test
204# @DESCRIPTION: 285# @DESCRIPTION:
205# Run tests for the package for each ruby target if the test task is defined. 286# Run tests for the package for each ruby target if the test task is defined.
206each_fakegem_test() { 287each_fakegem_test() {
207 local rubyflags= 288 local rubyflags=
208
209 if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
210 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed" 289 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed"
211 else
212 echo "No test task defined, skipping tests."
213 fi
214} 290}
215 291
292if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
216# @FUNCTION: each_ruby_test 293 # @FUNCTION: each_ruby_test
217# @DESCRIPTION: 294 # @DESCRIPTION:
218# Run the tests for this package. 295 # Run the tests for this package.
219each_ruby_test() { 296 each_ruby_test() {
220 each_fakegem_test 297 each_fakegem_test
221} 298 }
299fi
222 300
223# @FUNCTION: each_fakegem_install 301# @FUNCTION: each_fakegem_install
224# @DESCRIPTION: 302# @DESCRIPTION:
225# Install the package for each ruby target. 303# Install the package for each ruby target.
226each_fakegem_install() { 304each_fakegem_install() {
227 ruby_fakegem_genspec 305 ruby_fakegem_genspec
228 306
229 local _gemlibdirs= 307 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
230 for directory in bin lib ${RUBY_FAKEGEM_EXTRAINSTALL}; do 308 for directory in bin lib; do
231 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 309 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
232 done 310 done
233 311
312 [[ -n ${_gemlibdirs} ]] && \
234 ruby_fakegem_doins -r ${_gemlibdirs} 313 ruby_fakegem_doins -r ${_gemlibdirs}
235} 314}
236 315
237# @FUNCTION: each_ruby_install 316# @FUNCTION: each_ruby_install
238# @DESCRIPTION: 317# @DESCRIPTION:
239# Install the package for each target. 318# Install the package for each target.
244# @FUNCTION: all_fakegem_install 323# @FUNCTION: all_fakegem_install
245# @DESCRIPTION: 324# @DESCRIPTION:
246# Install files common to all ruby targets. 325# Install files common to all ruby targets.
247all_fakegem_install() { 326all_fakegem_install() {
248 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then 327 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then
249 pushd ${RUBY_FAKEGEM_DOCDIR} 328 for dir in ${RUBY_FAKEGEM_DOCDIR}; do
329 [[ -d ${dir} ]] || continue
330
331 pushd ${dir} &>/dev/null
250 dohtml -r * || die "failed to install documentation" 332 dohtml -r * || die "failed to install documentation"
251 popd 333 popd &>/dev/null
334 done
252 fi 335 fi
253 336
254 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then 337 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then
255 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation" 338 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation"
256 fi 339 fi
340
341 # binary wrappers; we assume that all the implementations get the
342 # same binaries, or something is wrong anyway, so...
343 if [[ -n ${RUBY_FAKEGEM_BINWRAP} ]]; then
344 local bindir=$(find "${D}" -type d -path "*/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin" -print -quit)
345
346 if [[ -d "${bindir}" ]]; then
347 pushd "${bindir}" &>/dev/null
348 local binaries=$(eval ls ${RUBY_FAKEGEM_BINWRAP})
349 for binary in $binaries; do
350 ruby_fakegem_binwrapper $binary
351 done
352 popd &>/dev/null
353 fi
354 fi
257} 355}
258 356
259# @FUNCTION: all_ruby_install 357# @FUNCTION: all_ruby_install
260# @DESCRIPTION: 358# @DESCRIPTION:
261# Install files common to all ruby targets. 359# Install files common to all ruby targets.

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