/[gentoo-x86]/eclass/ruby-fakegem.eclass
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1# Copyright 1999-2009 Gentoo Foundation 1# Copyright 1999-2012 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 1.11 2010/01/18 22:01:46 flameeyes Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.33 2012/07/05 21:23:01 flameeyes 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# @AUTHOR:
9# Author: Diego E. Pettenò <flameeyes@gentoo.org> 9# Author: Diego E. Pettenò <flameeyes@gentoo.org>
10#
11# Author: Alex Legler <a3li@gentoo.org> 10# Author: Alex Legler <a3li@gentoo.org>
12#
13# @BLURB: An eclass for installing Ruby packages to behave like RubyGems. 11# @BLURB: An eclass for installing Ruby packages to behave like RubyGems.
14# @DESCRIPTION: 12# @DESCRIPTION:
15# This eclass allows to install arbitrary Ruby libraries (including Gems), 13# This eclass allows to install arbitrary Ruby libraries (including Gems),
16# providing integration into the RubyGems system even for "regular" packages. 14# providing integration into the RubyGems system even for "regular" packages.
17#
18 15
19inherit ruby-ng 16inherit ruby-ng
20 17
21# @ECLASS-VARIABLE: RUBY_FAKEGEM_NAME 18# @ECLASS-VARIABLE: RUBY_FAKEGEM_NAME
22# @DESCRIPTION: 19# @DESCRIPTION:
31# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_DOC 28# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_DOC
32# @DESCRIPTION: 29# @DESCRIPTION:
33# Specify the rake(1) task to run to generate documentation. 30# Specify the rake(1) task to run to generate documentation.
34# RUBY_FAKEGEM_TASK_DOC="rdoc" 31# RUBY_FAKEGEM_TASK_DOC="rdoc"
35 32
33# @ECLASS-VARIABLE: RUBY_FAKEGEM_RECIPE_TEST
34# @DESCRIPTION:
35# Specify one of the default testing function for ruby-fakegem:
36# - rake (default; see also RUBY_FAKEGEM_TASK_TEST)
37# - rspec (calls ruby-ng_rspec, adds dev-ruby/rspec:2 to the dependencies)
38# - none
39# RUBY_FAKEGEM_RECIPE_TEST="rake"
40
36# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_TEST 41# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_TEST
37# @DESCRIPTION: 42# @DESCRIPTION:
38# Specify the rake(1) task used for executing tests. 43# Specify the rake(1) task used for executing tests. Only valid
44# if RUBY_FAKEGEM_RECIPE_TEST is set to "rake" (the default).
39# RUBY_FAKEGEM_TASK_TEST="test" 45# RUBY_FAKEGEM_TASK_TEST="test"
40 46
41# @ECLASS-VARIABLE: RUBY_FAKEGEM_DOCDIR 47# @ECLASS-VARIABLE: RUBY_FAKEGEM_DOCDIR
42# @DESCRIPTION: 48# @DESCRIPTION:
43# Specify the directory under which the documentation is built; 49# Specify the directory under which the documentation is built;
57# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS 63# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS
58# @DESCRIPTION: 64# @DESCRIPTION:
59# Extra require paths (beside lib) to add to the specification 65# Extra require paths (beside lib) to add to the specification
60# RUBY_FAKEGEM_REQUIRE_PATHS="" 66# RUBY_FAKEGEM_REQUIRE_PATHS=""
61 67
68# @ECLASS-VARIABLE: RUBY_FAKEGEM_GEMSPEC
69# @DESCRIPTION:
70# Filename of .gemspec file to install instead of generating a generic one.
71# RUBY_FAKEGEM_GEMSPEC=""
72
73# @ECLASS-VARIABLE: RUBY_FAKEGEM_EXTRAINSTALL
74# @DESCRIPTION:
75# List of files and directories relative to the top directory that also
76# get installed. Some gems provide extra files such as version information,
77# Rails generators, or data that needs to be installed as well.
78# RUBY_FAKEGEM_EXTRAINSTALL=""
79
62RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}" 80RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
63RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV}}" 81RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
82RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
64 83
65RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}" 84RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}"
85RUBY_FAKEGEM_RECIPE_TEST="${RUBY_FAKEGEM_RECIPE_TEST-rake}"
66RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}" 86RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}"
67 87
68RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}" 88RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}"
69 89
70if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then 90if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then
71 IUSE="$IUSE doc" 91 IUSE="$IUSE doc"
72 ruby_add_bdepend doc "dev-ruby/rake" 92 ruby_add_bdepend "doc? ( dev-ruby/rake )"
73fi 93fi
74 94
75if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then 95if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]]; then
76 IUSE="$IUSE test" 96 IUSE="$IUSE doc"
77 ruby_add_bdepend test "dev-ruby/rake"
78fi 97fi
79 98
99[[ ${RUBY_FAKEGEM_TASK_TEST} == "" ]] && RUBY_FAKEGEM_RECIPE_TEST="none"
100
101case ${RUBY_FAKEGEM_RECIPE_TEST} in
102 rake)
103 IUSE+=" test"
104 ruby_add_bdepend "test? ( dev-ruby/rake )"
105 ;;
106 rspec)
107 IUSE+=" test"
108 ruby_add_bdepend "test? ( dev-ruby/rspec:2 )"
109 ;;
110 *)
111 RUBY_FAKEGEM_RECIPE_TEST="none"
112 ;;
113esac
114
80SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gem" 115SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
81 116
117ruby_add_bdepend virtual/rubygems
82ruby_add_rdepend virtual/rubygems 118ruby_add_rdepend virtual/rubygems
83 119
84# @FUNCTION: ruby_fakegem_gemsdir 120# @FUNCTION: ruby_fakegem_gemsdir
85# @RETURN: Returns the gem data directory 121# @RETURN: Returns the gem data directory
86# @DESCRIPTION: 122# @DESCRIPTION:
87# This function returns the gems data directory for the ruby 123# This function returns the gems data directory for the ruby
88# implementation in question. 124# implementation in question.
89ruby_fakegem_gemsdir() { 125ruby_fakegem_gemsdir() {
90 local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:') 126 has "${EAPI}" 2 && ! use prefix && EPREFIX=
127
128 local _gemsitedir=$(ruby_rbconfig_value 'sitelibdir')
129 _gemsitedir=${_gemsitedir//site_ruby/gems}
130 _gemsitedir=${_gemsitedir#${EPREFIX}}
91 131
92 [[ -z ${_gemsitedir} ]] && { 132 [[ -z ${_gemsitedir} ]] && {
93 eerror "Unable to find the gems dir" 133 eerror "Unable to find the gems dir"
94 die "Unable to find the gems dir" 134 die "Unable to find the gems dir"
95 } 135 }
124 insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${newdirname} 164 insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${newdirname}
125 newins "$1" ${newbasename} 165 newins "$1" ${newbasename}
126 ) || die "failed $0 $@" 166 ) || die "failed $0 $@"
127} 167}
128 168
169# @FUNCTION: ruby_fakegem_install_gemspec
170# @DESCRIPTION:
171# Install a .gemspec file for this package. Either use the file indicated
172# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
173# ruby_fakegem_genspec.
174ruby_fakegem_install_gemspec() {
175 local gemspec="${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation}
176
177 (
178 if [[ ${RUBY_FAKEGEM_GEMSPEC} != "" ]]; then
179 ruby_fakegem_gemspec_gemspec ${RUBY_FAKEGEM_GEMSPEC} ${gemspec}
180 else
181 local metadata="${WORKDIR}"/${_ruby_implementation}/metadata
182
183 if [[ -e ${metadata} ]]; then
184 ruby_fakegem_metadata_gemspec ${metadata} ${gemspec}
185 else
186 ruby_fakegem_genspec ${gemspec}
187 fi
188 fi
189 ) || die "Unable to generate gemspec file."
190
191 insinto $(ruby_fakegem_gemsdir)/specifications
192 newins ${gemspec} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec || die "Unable to install gemspec file."
193}
194
195# @FUNCTION: ruby_fakegem_gemspec_gemspec
196# @USAGE: gemspec-input gemspec-output
197# @DESCRIPTION:
198# Generates an installable version of the specification indicated by
199# RUBY_FAKEGEM_GEMSPEC. This file is eval'ed to produce a final specification
200# in a way similar to packaging the gemspec file.
201ruby_fakegem_gemspec_gemspec() {
202 ${RUBY} -e "puts eval(File::open('$1').read).to_ruby" > $2
203}
204
205# @FUNCTION: ruby_fakegem_metadata_gemspec
206# @USAGE: gemspec-metadata gemspec-output
207# @DESCRIPTION:
208# Generates an installable version of the specification indicated by
209# the metadata distributed by the gem itself. This is similar to how
210# rubygems creates an installation from a .gem file.
211ruby_fakegem_metadata_gemspec() {
212 ${RUBY} -r yaml -e "puts Gem::Specification.from_yaml(File::open('$1').read).to_ruby" > $2
213}
214
129# @FUNCTION: ruby_fakegem_genspec 215# @FUNCTION: ruby_fakegem_genspec
216# @USAGE: output-gemspec
130# @DESCRIPTION: 217# @DESCRIPTION:
131# Generates a gemspec for the package and places it into the "specifications" 218# Generates a gemspec for the package and places it into the "specifications"
132# directory of RubyGems. 219# directory of RubyGems.
220# If the metadata normally distributed with a gem is present then that is
221# used to generate the gemspec file.
222#
223# As a fallback we can generate our own version.
133# In the gemspec, the following values are set: name, version, summary, 224# In the gemspec, the following values are set: name, version, summary,
134# homepage, and require_paths=["lib"]. 225# homepage, and require_paths=["lib"].
135# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version. 226# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version.
136# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths. 227# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
137ruby_fakegem_genspec() { 228ruby_fakegem_genspec() {
138 (
139 local required_paths="'lib'" 229 local required_paths="'lib'"
140 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do 230 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
141 required_paths="${required_paths}, '${path}'" 231 required_paths="${required_paths}, '${path}'"
142 done 232 done
143 233
144 # We use the _ruby_implementation variable to avoid having stray 234 # We use the _ruby_implementation variable to avoid having stray
145 # copies with different implementations; while for now we're using 235 # copies with different implementations; while for now we're using
146 # the same exact content, we might have differences in the future, 236 # the same exact content, we might have differences in the future,
147 # so better taking this into consideration. 237 # so better taking this into consideration.
148 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 238 local quoted_description=${DESCRIPTION//\"/\\\"}
239 cat - > $1 <<EOF
240# generated by ruby-fakegem.eclass $Revision: 1.33 $
149Gem::Specification.new do |s| 241Gem::Specification.new do |s|
150 s.name = "${RUBY_FAKEGEM_NAME}" 242 s.name = "${RUBY_FAKEGEM_NAME}"
151 s.version = "${RUBY_FAKEGEM_VERSION}" 243 s.version = "${RUBY_FAKEGEM_VERSION}"
152 s.summary = "${DESCRIPTION}" 244 s.summary = "${quoted_description}"
153 s.homepage = "${HOMEPAGE}" 245 s.homepage = "${HOMEPAGE}"
154 s.require_paths = [${required_paths}] 246 s.require_paths = [${required_paths}]
155end 247end
156EOF 248EOF
157
158 insinto $(ruby_fakegem_gemsdir)/specifications
159 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
160 ) || die "Unable to install fake gemspec"
161} 249}
162 250
163# @FUNCTION: ruby_fakegem_binwrapper 251# @FUNCTION: ruby_fakegem_binwrapper
164# @USAGE: command [path] 252# @USAGE: command [path]
165# @DESCRIPTION: 253# @DESCRIPTION:
168ruby_fakegem_binwrapper() { 256ruby_fakegem_binwrapper() {
169 ( 257 (
170 local gembinary=$1 258 local gembinary=$1
171 local newbinary=${2:-/usr/bin/$gembinary} 259 local newbinary=${2:-/usr/bin/$gembinary}
172 local relativegembinary=${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin/${gembinary} 260 local relativegembinary=${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin/${gembinary}
261 local binpath=$(dirname $newbinary)
262 [[ ${binpath} = . ]] && binpath=/usr/bin
263
264 # Try to find out whether the package is going to install for
265 # one or multiple implementations; if we're installing for a
266 # *single* implementation, no need to use “/usr/bin/env ruby”
267 # in the shebang, and we can actually avoid errors when
268 # calling the script by default (see for instance the
269 # JRuby-specific commands).
270 local rubycmd=
271 for implementation in ${USE_RUBY}; do
272 # ignore non-enabled implementations
273 use ruby_targets_${implementation} || continue
274 if [ -z $rubycmd ]; then
275 # if no other implementation was set before, set it.
276 rubycmd="$(ruby_implementation_command ${implementation})"
277 else
278 # if another implementation already arrived, then make
279 # it generic and break out of the loop. This ensures
280 # that we do at most two iterations.
281 rubycmd="/usr/bin/env ruby"
282 break
283 fi
284 done
173 285
174 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 286 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
175#!/usr/bin/env ruby 287#!${rubycmd}
176# This is a simplified version of the RubyGems wrapper 288# This is a simplified version of the RubyGems wrapper
177# 289#
178# Generated by ruby-fakegem.eclass 290# Generated by ruby-fakegem.eclass $Revision: 1.33 $
179 291
180require 'rubygems' 292require 'rubygems'
181 293
182load Gem::default_path[-1] + "/gems/${relativegembinary}" 294load Gem::default_path[-1] + "/gems/${relativegembinary}"
183 295
184EOF 296EOF
185 297
186 exeinto $(dirname $newbinary) 298 exeinto ${binpath:-/usr/bin}
187 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary) 299 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary)
188 ) || die "Unable to create fakegem wrapper" 300 ) || die "Unable to create fakegem wrapper"
189} 301}
190 302
191# @FUNCTION: all_fakegem_compile 303# @FUNCTION: all_fakegem_compile
203# Unpack the source archive, including support for unpacking gems. 315# Unpack the source archive, including support for unpacking gems.
204all_ruby_unpack() { 316all_ruby_unpack() {
205 # Special support for extracting .gem files; the file need to be 317 # Special support for extracting .gem files; the file need to be
206 # extracted twice and the mtime from the archive _has_ to be 318 # extracted twice and the mtime from the archive _has_ to be
207 # ignored (it's always set to epoch 0). 319 # ignored (it's always set to epoch 0).
208 # 320 for archive in ${A}; do
209 # This only works if there is exactly one archive and that archive 321 case "${archive}" in
210 # is a .gem file! 322 *.gem)
211 if [[ $(wc -w <<< ${A}) == 1 ]] && 323 # Make sure that we're not running unpack for more than
212 [[ ${A} == *.gem ]]; then 324 # one .gem file, since we won't support that at all.
325 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
326
213 ebegin "Unpacking .gem file..." 327 ebegin "Unpacking .gem file..."
214 tar -mxf ${DISTDIR}/${A} || die 328 tar -mxf ${DISTDIR}/${archive} || die
215 eend $? 329 eend $?
216 330
331 ebegin "Uncompressing metadata"
332 gunzip metadata.gz || die
333 eend $?
334
217 mkdir "${S}" 335 mkdir "${S}"
218 pushd "${S}" &>/dev/null 336 pushd "${S}" &>/dev/null
219 337
220 ebegin "Unpacking data.tar.gz" 338 ebegin "Unpacking data.tar.gz"
221 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 339 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
222 eend $? 340 eend $?
341
223 popd &>/dev/null 342 popd &>/dev/null
224 else 343 ;;
225 [[ -n ${A} ]] && unpack ${A} 344 *.patch.bz2)
226 fi 345 # We apply the patches with RUBY_PATCHES directly from DISTDIR,
346 # as the WORKDIR variable changes value between the global-scope
347 # and the time all_ruby_unpack/_prepare are called. Since we can
348 # simply decompress them when applying, this is much easier to
349 # deal with for us.
350 einfo "Keeping ${archive} as-is"
351 ;;
352 *)
353 unpack ${archive}
354 ;;
355 esac
356 done
227} 357}
228 358
229# @FUNCTION: all_ruby_compile 359# @FUNCTION: all_ruby_compile
230# @DESCRIPTION: 360# @DESCRIPTION:
231# Compile the package. 361# Compile the package.
235 365
236# @FUNCTION: each_fakegem_test 366# @FUNCTION: each_fakegem_test
237# @DESCRIPTION: 367# @DESCRIPTION:
238# Run tests for the package for each ruby target if the test task is defined. 368# Run tests for the package for each ruby target if the test task is defined.
239each_fakegem_test() { 369each_fakegem_test() {
240 local rubyflags= 370 case ${RUBY_FAKEGEM_RECIPE_TEST} in
241 371 rake)
242 if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
243 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed" 372 ${RUBY} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed"
244 else 373 ;;
245 echo "No test task defined, skipping tests." 374 rspec)
246 fi 375 ruby-ng_rspec
376 ;;
377 none)
378 ewarn "each_fakegem_test called, but \${RUBY_FAKEGEM_RECIPE_TEST} is 'none'"
379 ;;
380 esac
247} 381}
248 382
383if [[ ${RUBY_FAKEGEM_RECIPE_TEST} != none ]]; then
249# @FUNCTION: each_ruby_test 384 # @FUNCTION: each_ruby_test
250# @DESCRIPTION: 385 # @DESCRIPTION:
251# Run the tests for this package. 386 # Run the tests for this package.
252each_ruby_test() { 387 each_ruby_test() {
253 each_fakegem_test 388 each_fakegem_test
254} 389 }
390fi
255 391
256# @FUNCTION: each_fakegem_install 392# @FUNCTION: each_fakegem_install
257# @DESCRIPTION: 393# @DESCRIPTION:
258# Install the package for each ruby target. 394# Install the package for each ruby target.
259each_fakegem_install() { 395each_fakegem_install() {
260 ruby_fakegem_genspec 396 ruby_fakegem_install_gemspec
261 397
262 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}" 398 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
263 for directory in bin lib; do 399 for directory in bin lib; do
264 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 400 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
265 done 401 done
277 413
278# @FUNCTION: all_fakegem_install 414# @FUNCTION: all_fakegem_install
279# @DESCRIPTION: 415# @DESCRIPTION:
280# Install files common to all ruby targets. 416# Install files common to all ruby targets.
281all_fakegem_install() { 417all_fakegem_install() {
282 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]] && use doc; then 418 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then
283 for dir in ${RUBY_FAKEGEM_DOCDIR}; do 419 for dir in ${RUBY_FAKEGEM_DOCDIR}; do
420 [[ -d ${dir} ]] || continue
421
284 pushd ${dir} &>/dev/null 422 pushd ${dir} &>/dev/null
285 dohtml -r * || die "failed to install documentation" 423 dohtml -r * || die "failed to install documentation"
286 popd &>/dev/null 424 popd &>/dev/null
287 done 425 done
288 fi 426 fi

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