/[gentoo-x86]/eclass/ruby-fakegem.eclass
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1# Copyright 1999-2009 Gentoo Foundation 1# Copyright 1999-2011 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 1.25 2010/12/18 09:50:08 graaff Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.31 2011/10/21 06:32:29 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# @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:
87 ruby_add_bdepend "test? ( dev-ruby/rake )" 84 ruby_add_bdepend "test? ( dev-ruby/rake )"
88fi 85fi
89 86
90SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem" 87SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
91 88
89ruby_add_bdepend virtual/rubygems
92ruby_add_rdepend dev-ruby/rubygems 90ruby_add_rdepend virtual/rubygems
93 91
94# @FUNCTION: ruby_fakegem_gemsdir 92# @FUNCTION: ruby_fakegem_gemsdir
95# @RETURN: Returns the gem data directory 93# @RETURN: Returns the gem data directory
96# @DESCRIPTION: 94# @DESCRIPTION:
97# This function returns the gems data directory for the ruby 95# This function returns the gems data directory for the ruby
138 insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${newdirname} 136 insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${newdirname}
139 newins "$1" ${newbasename} 137 newins "$1" ${newbasename}
140 ) || die "failed $0 $@" 138 ) || die "failed $0 $@"
141} 139}
142 140
143# @FUNCTION: ruby_fakegem_gemspec 141# @FUNCTION: ruby_fakegem_install_gemspec
144# @DESCRIPTION: 142# @DESCRIPTION:
145# Install a .gemspec file for this package. Either use the file indicated 143# Install a .gemspec file for this package. Either use the file indicated
146# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using 144# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
147# ruby_fakegem_genspec 145# ruby_fakegem_genspec.
148ruby_fakegem_gemspec() { 146ruby_fakegem_install_gemspec() {
147 local gemspec="${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation}
148
149 (
149 if [[ ${RUBY_FAKEGEM_GEMSPEC} != "" ]]; then 150 if [[ ${RUBY_FAKEGEM_GEMSPEC} != "" ]]; then
150 ( 151 ruby_fakegem_gemspec_gemspec ${RUBY_FAKEGEM_GEMSPEC} ${gemspec}
152 else
153 local metadata="${WORKDIR}"/${_ruby_implementation}/metadata
154
155 if [[ -e ${metadata} ]]; then
156 ruby_fakegem_metadata_gemspec ${metadata} ${gemspec}
157 else
158 ruby_fakegem_genspec ${gemspec}
159 fi
160 fi
161 ) || die "Unable to generate gemspec file."
162
151 insinto $(ruby_fakegem_gemsdir)/specifications 163 insinto $(ruby_fakegem_gemsdir)/specifications
152 newins "${RUBY_FAKEGEM_GEMSPEC}" ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec 164 newins ${gemspec} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec || die "Unable to install gemspec file."
153 ) || die "Unable to install ${RUBY_FAKEGEM_GEMSPEC} gemspec" 165}
154 else 166
155 ruby_fakegem_genspec 167# @FUNCTION: ruby_fakegem_gemspec_gemspec
156 fi 168# @USAGE: gemspec-input gemspec-output
169# @DESCRIPTION:
170# Generates an installable version of the specification indicated by
171# RUBY_FAKEGEM_GEMSPEC. This file is eval'ed to produce a final specification
172# in a way similar to packaging the gemspec file.
173ruby_fakegem_gemspec_gemspec() {
174 ${RUBY} -e "puts eval(File::open('$1').read).to_ruby" > $2
175}
176
177# @FUNCTION: ruby_fakegem_metadata_gemspec
178# @USAGE: gemspec-metadata gemspec-output
179# @DESCRIPTION:
180# Generates an installable version of the specification indicated by
181# the metadata distributed by the gem itself. This is similar to how
182# rubygems creates an installation from a .gem file.
183ruby_fakegem_metadata_gemspec() {
184 ${RUBY} -r yaml -e "puts Gem::Specification.from_yaml(File::open('$1').read).to_ruby" > $2
157} 185}
158 186
159# @FUNCTION: ruby_fakegem_genspec 187# @FUNCTION: ruby_fakegem_genspec
188# @USAGE: output-gemspec
160# @DESCRIPTION: 189# @DESCRIPTION:
161# Generates a gemspec for the package and places it into the "specifications" 190# Generates a gemspec for the package and places it into the "specifications"
162# directory of RubyGems. 191# directory of RubyGems.
192# If the metadata normally distributed with a gem is present then that is
193# used to generate the gemspec file.
194#
195# As a fallback we can generate our own version.
163# In the gemspec, the following values are set: name, version, summary, 196# In the gemspec, the following values are set: name, version, summary,
164# homepage, and require_paths=["lib"]. 197# homepage, and require_paths=["lib"].
165# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version. 198# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version.
166# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths. 199# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
167ruby_fakegem_genspec() { 200ruby_fakegem_genspec() {
168 (
169 local required_paths="'lib'" 201 local required_paths="'lib'"
170 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do 202 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
171 required_paths="${required_paths}, '${path}'" 203 required_paths="${required_paths}, '${path}'"
172 done 204 done
173 205
174 # We use the _ruby_implementation variable to avoid having stray 206 # We use the _ruby_implementation variable to avoid having stray
175 # copies with different implementations; while for now we're using 207 # copies with different implementations; while for now we're using
176 # the same exact content, we might have differences in the future, 208 # the same exact content, we might have differences in the future,
177 # so better taking this into consideration. 209 # so better taking this into consideration.
178 local quoted_description=${DESCRIPTION//\"/\\\"} 210 local quoted_description=${DESCRIPTION//\"/\\\"}
179 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 211 cat - > $1 <<EOF
180# generated by ruby-fakegem.eclass $Revision: 1.25 $ 212# generated by ruby-fakegem.eclass $Revision: 1.31 $
181Gem::Specification.new do |s| 213Gem::Specification.new do |s|
182 s.name = "${RUBY_FAKEGEM_NAME}" 214 s.name = "${RUBY_FAKEGEM_NAME}"
183 s.version = "${RUBY_FAKEGEM_VERSION}" 215 s.version = "${RUBY_FAKEGEM_VERSION}"
184 s.summary = "${quoted_description}" 216 s.summary = "${quoted_description}"
185 s.homepage = "${HOMEPAGE}" 217 s.homepage = "${HOMEPAGE}"
186 s.require_paths = [${required_paths}] 218 s.require_paths = [${required_paths}]
187end 219end
188EOF 220EOF
189
190 insinto $(ruby_fakegem_gemsdir)/specifications
191 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
192 ) || die "Unable to install fake gemspec"
193} 221}
194 222
195# @FUNCTION: ruby_fakegem_binwrapper 223# @FUNCTION: ruby_fakegem_binwrapper
196# @USAGE: command [path] 224# @USAGE: command [path]
197# @DESCRIPTION: 225# @DESCRIPTION:
229 257
230 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 258 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
231#!${rubycmd} 259#!${rubycmd}
232# This is a simplified version of the RubyGems wrapper 260# This is a simplified version of the RubyGems wrapper
233# 261#
234# Generated by ruby-fakegem.eclass $Revision: 1.25 $ 262# Generated by ruby-fakegem.eclass $Revision: 1.31 $
235 263
236require 'rubygems' 264require 'rubygems'
237 265
238load Gem::default_path[-1] + "/gems/${relativegembinary}" 266load Gem::default_path[-1] + "/gems/${relativegembinary}"
239 267
262 # extracted twice and the mtime from the archive _has_ to be 290 # extracted twice and the mtime from the archive _has_ to be
263 # ignored (it's always set to epoch 0). 291 # ignored (it's always set to epoch 0).
264 for archive in ${A}; do 292 for archive in ${A}; do
265 case "${archive}" in 293 case "${archive}" in
266 *.gem) 294 *.gem)
267 # Make sure that we're not running unoack for more than 295 # Make sure that we're not running unpack for more than
268 # one .gem file, since we won't support that at all. 296 # one .gem file, since we won't support that at all.
269 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists" 297 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
270 298
271 ebegin "Unpacking .gem file..." 299 ebegin "Unpacking .gem file..."
272 tar -mxf ${DISTDIR}/${archive} || die 300 tar -mxf ${DISTDIR}/${archive} || die
273 eend $? 301 eend $?
274 302
303 ebegin "Uncompressing metadata"
304 gunzip metadata.gz || die
305 eend $?
306
275 mkdir "${S}" 307 mkdir "${S}"
276 pushd "${S}" &>/dev/null 308 pushd "${S}" &>/dev/null
277 309
278 ebegin "Unpacking data.tar.gz" 310 ebegin "Unpacking data.tar.gz"
279 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 311 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
280 eend $? 312 eend $?
313
281 popd &>/dev/null 314 popd &>/dev/null
282 ;; 315 ;;
283 *.patch.bz2) 316 *.patch.bz2)
284 # We apply the patches with RUBY_PATCHES directly from DISTDIR, 317 # We apply the patches with RUBY_PATCHES directly from DISTDIR,
285 # as the WORKDIR variable changes value between the global-scope 318 # as the WORKDIR variable changes value between the global-scope
321 354
322# @FUNCTION: each_fakegem_install 355# @FUNCTION: each_fakegem_install
323# @DESCRIPTION: 356# @DESCRIPTION:
324# Install the package for each ruby target. 357# Install the package for each ruby target.
325each_fakegem_install() { 358each_fakegem_install() {
326 ruby_fakegem_gemspec 359 ruby_fakegem_install_gemspec
327 360
328 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}" 361 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
329 for directory in bin lib; do 362 for directory in bin lib; do
330 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 363 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
331 done 364 done

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