/[gentoo-x86]/eclass/ruby-fakegem.eclass
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Revision 1.21 Revision 1.29
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 1.21 2010/07/27 11:02:47 flameeyes Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.29 2011/04/25 08:36:51 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#
56 56
57# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS 57# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS
58# @DESCRIPTION: 58# @DESCRIPTION:
59# Extra require paths (beside lib) to add to the specification 59# Extra require paths (beside lib) to add to the specification
60# RUBY_FAKEGEM_REQUIRE_PATHS="" 60# RUBY_FAKEGEM_REQUIRE_PATHS=""
61
62# @ECLASS-VARIABLE: RUBY_FAKEGEM_GEMSPEC
63# @DESCRIPTION:
64# Filename of .gemspec file to install instead of generating a generic one.
65# RUBY_FAKEGEM_GEMSPEC=""
61 66
62RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}" 67RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
63RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}" 68RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
64RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}" 69RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
65 70
82 ruby_add_bdepend "test? ( dev-ruby/rake )" 87 ruby_add_bdepend "test? ( dev-ruby/rake )"
83fi 88fi
84 89
85SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem" 90SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
86 91
92ruby_add_bdepend dev-ruby/rubygems
87ruby_add_rdepend virtual/rubygems 93ruby_add_rdepend dev-ruby/rubygems
88 94
89# @FUNCTION: ruby_fakegem_gemsdir 95# @FUNCTION: ruby_fakegem_gemsdir
90# @RETURN: Returns the gem data directory 96# @RETURN: Returns the gem data directory
91# @DESCRIPTION: 97# @DESCRIPTION:
92# This function returns the gems data directory for the ruby 98# This function returns the gems data directory for the ruby
93# implementation in question. 99# implementation in question.
94ruby_fakegem_gemsdir() { 100ruby_fakegem_gemsdir() {
95 local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:') 101 has "${EAPI}" 2 && ! use prefix && EPREFIX=
102
103 local _gemsitedir=$(ruby_rbconfig_value 'sitelibdir')
104 _gemsitedir=${_gemsitedir//site_ruby/gems}
105 _gemsitedir=${_gemsitedir#${EPREFIX}}
96 106
97 [[ -z ${_gemsitedir} ]] && { 107 [[ -z ${_gemsitedir} ]] && {
98 eerror "Unable to find the gems dir" 108 eerror "Unable to find the gems dir"
99 die "Unable to find the gems dir" 109 die "Unable to find the gems dir"
100 } 110 }
129 insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${newdirname} 139 insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${newdirname}
130 newins "$1" ${newbasename} 140 newins "$1" ${newbasename}
131 ) || die "failed $0 $@" 141 ) || die "failed $0 $@"
132} 142}
133 143
144# @FUNCTION: ruby_fakegem_install_gemspec
145# @DESCRIPTION:
146# Install a .gemspec file for this package. Either use the file indicated
147# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
148# ruby_fakegem_genspec.
149ruby_fakegem_install_gemspec() {
150 local gemspec="${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation}
151
152 (
153 if [[ ${RUBY_FAKEGEM_GEMSPEC} != "" ]]; then
154 ruby_fakegem_gemspec_gemspec ${RUBY_FAKEGEM_GEMSPEC} ${gemspec}
155 else
156 local metadata="${WORKDIR}"/${_ruby_implementation}/metadata
157
158 if [[ -e ${metadata} ]]; then
159 ruby_fakegem_metadata_gemspec ${metadata} ${gemspec}
160 else
161 ruby_fakegem_genspec ${gemspec}
162 fi
163 fi
164 ) || die "Unable to generate gemspec file."
165
166 insinto $(ruby_fakegem_gemsdir)/specifications
167 newins ${gemspec} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec || die "Unable to install gemspec file."
168}
169
170# @FUNCTION: ruby_fakegem_gemspec_gemspec
171# @USAGE: gemspec-input gemspec-output
172# @DESCRIPTION:
173# Generates an installable version of the specification indicated by
174# RUBY_FAKEGEM_GEMSPEC. This file is eval'ed to produce a final specification
175# in a way similar to packaging the gemspec file.
176ruby_fakegem_gemspec_gemspec() {
177 ${RUBY} -e "puts eval(File::open('$1').read).to_ruby" > $2
178}
179
180# @FUNCTION: ruby_fakegem_metadata_gemspec
181# @USAGE: gemspec-metadata gemspec-output
182# @DESCRIPTION:
183# Generates an installable version of the specification indicated by
184# the metadata distributed by the gem itself. This is similar to how
185# rubygems creates an installation from a .gem file.
186ruby_fakegem_metadata_gemspec() {
187 ${RUBY} -r yaml -e "puts Gem::Specification.from_yaml(File::open('$1').read).to_ruby" > $2
188}
189
134# @FUNCTION: ruby_fakegem_genspec 190# @FUNCTION: ruby_fakegem_genspec
191# @USAGE: output-gemspec
135# @DESCRIPTION: 192# @DESCRIPTION:
136# Generates a gemspec for the package and places it into the "specifications" 193# Generates a gemspec for the package and places it into the "specifications"
137# directory of RubyGems. 194# directory of RubyGems.
195# If the metadata normally distributed with a gem is present then that is
196# used to generate the gemspec file.
197#
198# As a fallback we can generate our own version.
138# In the gemspec, the following values are set: name, version, summary, 199# In the gemspec, the following values are set: name, version, summary,
139# homepage, and require_paths=["lib"]. 200# homepage, and require_paths=["lib"].
140# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version. 201# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version.
141# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths. 202# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
142ruby_fakegem_genspec() { 203ruby_fakegem_genspec() {
143 (
144 local required_paths="'lib'" 204 local required_paths="'lib'"
145 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do 205 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
146 required_paths="${required_paths}, '${path}'" 206 required_paths="${required_paths}, '${path}'"
147 done 207 done
148 208
149 # We use the _ruby_implementation variable to avoid having stray 209 # We use the _ruby_implementation variable to avoid having stray
150 # copies with different implementations; while for now we're using 210 # copies with different implementations; while for now we're using
151 # the same exact content, we might have differences in the future, 211 # the same exact content, we might have differences in the future,
152 # so better taking this into consideration. 212 # so better taking this into consideration.
153 local quoted_description=${DESCRIPTION//\"/\\\"} 213 local quoted_description=${DESCRIPTION//\"/\\\"}
154 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 214 cat - > $1 <<EOF
155# generated by ruby-fakegem.eclass $Revision: 1.21 $ 215# generated by ruby-fakegem.eclass $Revision: 1.29 $
156Gem::Specification.new do |s| 216Gem::Specification.new do |s|
157 s.name = "${RUBY_FAKEGEM_NAME}" 217 s.name = "${RUBY_FAKEGEM_NAME}"
158 s.version = "${RUBY_FAKEGEM_VERSION}" 218 s.version = "${RUBY_FAKEGEM_VERSION}"
159 s.summary = "${quoted_description}" 219 s.summary = "${quoted_description}"
160 s.homepage = "${HOMEPAGE}" 220 s.homepage = "${HOMEPAGE}"
161 s.require_paths = [${required_paths}] 221 s.require_paths = [${required_paths}]
162end 222end
163EOF 223EOF
164
165 insinto $(ruby_fakegem_gemsdir)/specifications
166 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
167 ) || die "Unable to install fake gemspec"
168} 224}
169 225
170# @FUNCTION: ruby_fakegem_binwrapper 226# @FUNCTION: ruby_fakegem_binwrapper
171# @USAGE: command [path] 227# @USAGE: command [path]
172# @DESCRIPTION: 228# @DESCRIPTION:
190 for implementation in ${USE_RUBY}; do 246 for implementation in ${USE_RUBY}; do
191 # ignore non-enabled implementations 247 # ignore non-enabled implementations
192 use ruby_targets_${implementation} || continue 248 use ruby_targets_${implementation} || continue
193 if [ -z $rubycmd ]; then 249 if [ -z $rubycmd ]; then
194 # if no other implementation was set before, set it. 250 # if no other implementation was set before, set it.
195 rubycmd="/usr/bin/${implementation}" 251 rubycmd="$(ruby_implementation_command ${implementation})"
196 else 252 else
197 # if another implementation already arrived, then make 253 # if another implementation already arrived, then make
198 # it generic and break out of the loop. This ensures 254 # it generic and break out of the loop. This ensures
199 # that we do at most two iterations. 255 # that we do at most two iterations.
200 rubycmd="/usr/bin/env ruby" 256 rubycmd="/usr/bin/env ruby"
204 260
205 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 261 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
206#!${rubycmd} 262#!${rubycmd}
207# This is a simplified version of the RubyGems wrapper 263# This is a simplified version of the RubyGems wrapper
208# 264#
209# Generated by ruby-fakegem.eclass $Revision: 1.21 $ 265# Generated by ruby-fakegem.eclass $Revision: 1.29 $
210 266
211require 'rubygems' 267require 'rubygems'
212 268
213load Gem::default_path[-1] + "/gems/${relativegembinary}" 269load Gem::default_path[-1] + "/gems/${relativegembinary}"
214 270
235all_ruby_unpack() { 291all_ruby_unpack() {
236 # Special support for extracting .gem files; the file need to be 292 # Special support for extracting .gem files; the file need to be
237 # extracted twice and the mtime from the archive _has_ to be 293 # extracted twice and the mtime from the archive _has_ to be
238 # ignored (it's always set to epoch 0). 294 # ignored (it's always set to epoch 0).
239 for archive in ${A}; do 295 for archive in ${A}; do
240 if [[ ${archive} == *.gem ]]; then 296 case "${archive}" in
297 *.gem)
241 # Make sure that we're not running unoack for more than 298 # Make sure that we're not running unpack for more than
242 # one .gem file, since we won't support that at all. 299 # one .gem file, since we won't support that at all.
243 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists" 300 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
244 301
245 ebegin "Unpacking .gem file..." 302 ebegin "Unpacking .gem file..."
246 tar -mxf ${DISTDIR}/${archive} || die 303 tar -mxf ${DISTDIR}/${archive} || die
247 eend $? 304 eend $?
248 305
306 ebegin "Uncompressing metadata"
307 gunzip metadata.gz || die
308 eend $?
309
249 mkdir "${S}" 310 mkdir "${S}"
250 pushd "${S}" &>/dev/null 311 pushd "${S}" &>/dev/null
251 312
252 ebegin "Unpacking data.tar.gz" 313 ebegin "Unpacking data.tar.gz"
253 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 314 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
254 eend $? 315 eend $?
316
255 popd &>/dev/null 317 popd &>/dev/null
256 else 318 ;;
319 *.patch.bz2)
320 # We apply the patches with RUBY_PATCHES directly from DISTDIR,
321 # as the WORKDIR variable changes value between the global-scope
322 # and the time all_ruby_unpack/_prepare are called. Since we can
323 # simply decompress them when applying, this is much easier to
324 # deal with for us.
325 einfo "Keeping ${archive} as-is"
326 ;;
327 *)
257 unpack ${archive} 328 unpack ${archive}
258 fi 329 ;;
330 esac
259 done 331 done
260} 332}
261 333
262# @FUNCTION: all_ruby_compile 334# @FUNCTION: all_ruby_compile
263# @DESCRIPTION: 335# @DESCRIPTION:
285 357
286# @FUNCTION: each_fakegem_install 358# @FUNCTION: each_fakegem_install
287# @DESCRIPTION: 359# @DESCRIPTION:
288# Install the package for each ruby target. 360# Install the package for each ruby target.
289each_fakegem_install() { 361each_fakegem_install() {
290 ruby_fakegem_genspec 362 ruby_fakegem_install_gemspec
291 363
292 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}" 364 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
293 for directory in bin lib; do 365 for directory in bin lib; do
294 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 366 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
295 done 367 done

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