/[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 1.21 2010/07/27 11:02:47 flameeyes 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:
56 53
57# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS 54# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS
58# @DESCRIPTION: 55# @DESCRIPTION:
59# Extra require paths (beside lib) to add to the specification 56# Extra require paths (beside lib) to add to the specification
60# RUBY_FAKEGEM_REQUIRE_PATHS="" 57# RUBY_FAKEGEM_REQUIRE_PATHS=""
58
59# @ECLASS-VARIABLE: RUBY_FAKEGEM_GEMSPEC
60# @DESCRIPTION:
61# Filename of .gemspec file to install instead of generating a generic one.
62# RUBY_FAKEGEM_GEMSPEC=""
61 63
62RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}" 64RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
63RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}" 65RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
64RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}" 66RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
65 67
82 ruby_add_bdepend "test? ( dev-ruby/rake )" 84 ruby_add_bdepend "test? ( dev-ruby/rake )"
83fi 85fi
84 86
85SRC_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"
86 88
89ruby_add_bdepend virtual/rubygems
87ruby_add_rdepend virtual/rubygems 90ruby_add_rdepend virtual/rubygems
88 91
89# @FUNCTION: ruby_fakegem_gemsdir 92# @FUNCTION: ruby_fakegem_gemsdir
90# @RETURN: Returns the gem data directory 93# @RETURN: Returns the gem data directory
91# @DESCRIPTION: 94# @DESCRIPTION:
92# This function returns the gems data directory for the ruby 95# This function returns the gems data directory for the ruby
93# implementation in question. 96# implementation in question.
94ruby_fakegem_gemsdir() { 97ruby_fakegem_gemsdir() {
95 local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:') 98 has "${EAPI}" 2 && ! use prefix && EPREFIX=
99
100 local _gemsitedir=$(ruby_rbconfig_value 'sitelibdir')
101 _gemsitedir=${_gemsitedir//site_ruby/gems}
102 _gemsitedir=${_gemsitedir#${EPREFIX}}
96 103
97 [[ -z ${_gemsitedir} ]] && { 104 [[ -z ${_gemsitedir} ]] && {
98 eerror "Unable to find the gems dir" 105 eerror "Unable to find the gems dir"
99 die "Unable to find the gems dir" 106 die "Unable to find the gems dir"
100 } 107 }
129 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}
130 newins "$1" ${newbasename} 137 newins "$1" ${newbasename}
131 ) || die "failed $0 $@" 138 ) || die "failed $0 $@"
132} 139}
133 140
141# @FUNCTION: ruby_fakegem_install_gemspec
142# @DESCRIPTION:
143# Install a .gemspec file for this package. Either use the file indicated
144# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
145# ruby_fakegem_genspec.
146ruby_fakegem_install_gemspec() {
147 local gemspec="${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation}
148
149 (
150 if [[ ${RUBY_FAKEGEM_GEMSPEC} != "" ]]; then
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
163 insinto $(ruby_fakegem_gemsdir)/specifications
164 newins ${gemspec} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec || die "Unable to install gemspec file."
165}
166
167# @FUNCTION: ruby_fakegem_gemspec_gemspec
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
185}
186
134# @FUNCTION: ruby_fakegem_genspec 187# @FUNCTION: ruby_fakegem_genspec
188# @USAGE: output-gemspec
135# @DESCRIPTION: 189# @DESCRIPTION:
136# 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"
137# 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.
138# In the gemspec, the following values are set: name, version, summary, 196# In the gemspec, the following values are set: name, version, summary,
139# homepage, and require_paths=["lib"]. 197# homepage, and require_paths=["lib"].
140# 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.
141# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths. 199# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
142ruby_fakegem_genspec() { 200ruby_fakegem_genspec() {
143 (
144 local required_paths="'lib'" 201 local required_paths="'lib'"
145 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do 202 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
146 required_paths="${required_paths}, '${path}'" 203 required_paths="${required_paths}, '${path}'"
147 done 204 done
148 205
149 # We use the _ruby_implementation variable to avoid having stray 206 # We use the _ruby_implementation variable to avoid having stray
150 # copies with different implementations; while for now we're using 207 # copies with different implementations; while for now we're using
151 # the same exact content, we might have differences in the future, 208 # the same exact content, we might have differences in the future,
152 # so better taking this into consideration. 209 # so better taking this into consideration.
153 local quoted_description=${DESCRIPTION//\"/\\\"} 210 local quoted_description=${DESCRIPTION//\"/\\\"}
154 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 211 cat - > $1 <<EOF
155# generated by ruby-fakegem.eclass $Revision: 1.21 $ 212# generated by ruby-fakegem.eclass $Revision: 1.31 $
156Gem::Specification.new do |s| 213Gem::Specification.new do |s|
157 s.name = "${RUBY_FAKEGEM_NAME}" 214 s.name = "${RUBY_FAKEGEM_NAME}"
158 s.version = "${RUBY_FAKEGEM_VERSION}" 215 s.version = "${RUBY_FAKEGEM_VERSION}"
159 s.summary = "${quoted_description}" 216 s.summary = "${quoted_description}"
160 s.homepage = "${HOMEPAGE}" 217 s.homepage = "${HOMEPAGE}"
161 s.require_paths = [${required_paths}] 218 s.require_paths = [${required_paths}]
162end 219end
163EOF 220EOF
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} 221}
169 222
170# @FUNCTION: ruby_fakegem_binwrapper 223# @FUNCTION: ruby_fakegem_binwrapper
171# @USAGE: command [path] 224# @USAGE: command [path]
172# @DESCRIPTION: 225# @DESCRIPTION:
190 for implementation in ${USE_RUBY}; do 243 for implementation in ${USE_RUBY}; do
191 # ignore non-enabled implementations 244 # ignore non-enabled implementations
192 use ruby_targets_${implementation} || continue 245 use ruby_targets_${implementation} || continue
193 if [ -z $rubycmd ]; then 246 if [ -z $rubycmd ]; then
194 # if no other implementation was set before, set it. 247 # if no other implementation was set before, set it.
195 rubycmd="/usr/bin/${implementation}" 248 rubycmd="$(ruby_implementation_command ${implementation})"
196 else 249 else
197 # if another implementation already arrived, then make 250 # if another implementation already arrived, then make
198 # it generic and break out of the loop. This ensures 251 # it generic and break out of the loop. This ensures
199 # that we do at most two iterations. 252 # that we do at most two iterations.
200 rubycmd="/usr/bin/env ruby" 253 rubycmd="/usr/bin/env ruby"
204 257
205 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 258 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
206#!${rubycmd} 259#!${rubycmd}
207# This is a simplified version of the RubyGems wrapper 260# This is a simplified version of the RubyGems wrapper
208# 261#
209# Generated by ruby-fakegem.eclass $Revision: 1.21 $ 262# Generated by ruby-fakegem.eclass $Revision: 1.31 $
210 263
211require 'rubygems' 264require 'rubygems'
212 265
213load Gem::default_path[-1] + "/gems/${relativegembinary}" 266load Gem::default_path[-1] + "/gems/${relativegembinary}"
214 267
235all_ruby_unpack() { 288all_ruby_unpack() {
236 # Special support for extracting .gem files; the file need to be 289 # Special support for extracting .gem files; the file need to be
237 # extracted twice and the mtime from the archive _has_ to be 290 # extracted twice and the mtime from the archive _has_ to be
238 # ignored (it's always set to epoch 0). 291 # ignored (it's always set to epoch 0).
239 for archive in ${A}; do 292 for archive in ${A}; do
240 if [[ ${archive} == *.gem ]]; then 293 case "${archive}" in
294 *.gem)
241 # Make sure that we're not running unoack for more than 295 # Make sure that we're not running unpack for more than
242 # one .gem file, since we won't support that at all. 296 # one .gem file, since we won't support that at all.
243 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists" 297 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
244 298
245 ebegin "Unpacking .gem file..." 299 ebegin "Unpacking .gem file..."
246 tar -mxf ${DISTDIR}/${archive} || die 300 tar -mxf ${DISTDIR}/${archive} || die
247 eend $? 301 eend $?
248 302
303 ebegin "Uncompressing metadata"
304 gunzip metadata.gz || die
305 eend $?
306
249 mkdir "${S}" 307 mkdir "${S}"
250 pushd "${S}" &>/dev/null 308 pushd "${S}" &>/dev/null
251 309
252 ebegin "Unpacking data.tar.gz" 310 ebegin "Unpacking data.tar.gz"
253 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 311 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
254 eend $? 312 eend $?
313
255 popd &>/dev/null 314 popd &>/dev/null
256 else 315 ;;
316 *.patch.bz2)
317 # We apply the patches with RUBY_PATCHES directly from DISTDIR,
318 # as the WORKDIR variable changes value between the global-scope
319 # and the time all_ruby_unpack/_prepare are called. Since we can
320 # simply decompress them when applying, this is much easier to
321 # deal with for us.
322 einfo "Keeping ${archive} as-is"
323 ;;
324 *)
257 unpack ${archive} 325 unpack ${archive}
258 fi 326 ;;
327 esac
259 done 328 done
260} 329}
261 330
262# @FUNCTION: all_ruby_compile 331# @FUNCTION: all_ruby_compile
263# @DESCRIPTION: 332# @DESCRIPTION:
285 354
286# @FUNCTION: each_fakegem_install 355# @FUNCTION: each_fakegem_install
287# @DESCRIPTION: 356# @DESCRIPTION:
288# Install the package for each ruby target. 357# Install the package for each ruby target.
289each_fakegem_install() { 358each_fakegem_install() {
290 ruby_fakegem_genspec 359 ruby_fakegem_install_gemspec
291 360
292 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}" 361 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
293 for directory in bin lib; do 362 for directory in bin lib; do
294 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 363 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
295 done 364 done

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