/[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 1.20 2010/07/21 10:43:57 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
71if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then 73if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then
72 IUSE="$IUSE doc" 74 IUSE="$IUSE doc"
73 ruby_add_bdepend "doc? ( dev-ruby/rake )" 75 ruby_add_bdepend "doc? ( dev-ruby/rake )"
74fi 76fi
75 77
78if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]]; then
79 IUSE="$IUSE doc"
80fi
81
76if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then 82if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
77 IUSE="$IUSE test" 83 IUSE="$IUSE test"
78 ruby_add_bdepend "test? ( dev-ruby/rake )" 84 ruby_add_bdepend "test? ( dev-ruby/rake )"
79fi 85fi
80 86
81SRC_URI="mirror://rubygems/${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:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
82 88
89ruby_add_bdepend virtual/rubygems
83ruby_add_rdepend virtual/rubygems 90ruby_add_rdepend virtual/rubygems
84 91
85# @FUNCTION: ruby_fakegem_gemsdir 92# @FUNCTION: ruby_fakegem_gemsdir
86# @RETURN: Returns the gem data directory 93# @RETURN: Returns the gem data directory
87# @DESCRIPTION: 94# @DESCRIPTION:
88# This function returns the gems data directory for the ruby 95# This function returns the gems data directory for the ruby
89# implementation in question. 96# implementation in question.
90ruby_fakegem_gemsdir() { 97ruby_fakegem_gemsdir() {
91 local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:') 98 has "${EAPI}" 2 && ! use prefix && EPREFIX=
99
100 local _gemsitedir=$(ruby_rbconfig_value 'sitelibdir')
101 _gemsitedir=${_gemsitedir//site_ruby/gems}
102 _gemsitedir=${_gemsitedir#${EPREFIX}}
92 103
93 [[ -z ${_gemsitedir} ]] && { 104 [[ -z ${_gemsitedir} ]] && {
94 eerror "Unable to find the gems dir" 105 eerror "Unable to find the gems dir"
95 die "Unable to find the gems dir" 106 die "Unable to find the gems dir"
96 } 107 }
125 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}
126 newins "$1" ${newbasename} 137 newins "$1" ${newbasename}
127 ) || die "failed $0 $@" 138 ) || die "failed $0 $@"
128} 139}
129 140
141# @FUNCTION: ruby_fakegem_install_gemspec
142# @DESCRIPTION:
143# Install a .gemspec file for this package. Either use the file indicated
144# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
145# ruby_fakegem_genspec.
146ruby_fakegem_install_gemspec() {
147 local gemspec="${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
130# @FUNCTION: ruby_fakegem_genspec 187# @FUNCTION: ruby_fakegem_genspec
188# @USAGE: output-gemspec
131# @DESCRIPTION: 189# @DESCRIPTION:
132# 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"
133# 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.
134# In the gemspec, the following values are set: name, version, summary, 196# In the gemspec, the following values are set: name, version, summary,
135# homepage, and require_paths=["lib"]. 197# homepage, and require_paths=["lib"].
136# 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.
137# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths. 199# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
138ruby_fakegem_genspec() { 200ruby_fakegem_genspec() {
139 (
140 local required_paths="'lib'" 201 local required_paths="'lib'"
141 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do 202 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
142 required_paths="${required_paths}, '${path}'" 203 required_paths="${required_paths}, '${path}'"
143 done 204 done
144 205
145 # We use the _ruby_implementation variable to avoid having stray 206 # We use the _ruby_implementation variable to avoid having stray
146 # copies with different implementations; while for now we're using 207 # copies with different implementations; while for now we're using
147 # the same exact content, we might have differences in the future, 208 # the same exact content, we might have differences in the future,
148 # so better taking this into consideration. 209 # so better taking this into consideration.
149 local quoted_description=${DESCRIPTION//\"/\\\"} 210 local quoted_description=${DESCRIPTION//\"/\\\"}
150 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 211 cat - > $1 <<EOF
151# generated by ruby-fakegem.eclass $Revision: 1.20 $ 212# generated by ruby-fakegem.eclass $Revision: 1.31 $
152Gem::Specification.new do |s| 213Gem::Specification.new do |s|
153 s.name = "${RUBY_FAKEGEM_NAME}" 214 s.name = "${RUBY_FAKEGEM_NAME}"
154 s.version = "${RUBY_FAKEGEM_VERSION}" 215 s.version = "${RUBY_FAKEGEM_VERSION}"
155 s.summary = "${quoted_description}" 216 s.summary = "${quoted_description}"
156 s.homepage = "${HOMEPAGE}" 217 s.homepage = "${HOMEPAGE}"
157 s.require_paths = [${required_paths}] 218 s.require_paths = [${required_paths}]
158end 219end
159EOF 220EOF
160
161 insinto $(ruby_fakegem_gemsdir)/specifications
162 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
163 ) || die "Unable to install fake gemspec"
164} 221}
165 222
166# @FUNCTION: ruby_fakegem_binwrapper 223# @FUNCTION: ruby_fakegem_binwrapper
167# @USAGE: command [path] 224# @USAGE: command [path]
168# @DESCRIPTION: 225# @DESCRIPTION:
186 for implementation in ${USE_RUBY}; do 243 for implementation in ${USE_RUBY}; do
187 # ignore non-enabled implementations 244 # ignore non-enabled implementations
188 use ruby_targets_${implementation} || continue 245 use ruby_targets_${implementation} || continue
189 if [ -z $rubycmd ]; then 246 if [ -z $rubycmd ]; then
190 # if no other implementation was set before, set it. 247 # if no other implementation was set before, set it.
191 rubycmd="/usr/bin/${implementation}" 248 rubycmd="$(ruby_implementation_command ${implementation})"
192 else 249 else
193 # if another implementation already arrived, then make 250 # if another implementation already arrived, then make
194 # it generic and break out of the loop. This ensures 251 # it generic and break out of the loop. This ensures
195 # that we do at most two iterations. 252 # that we do at most two iterations.
196 rubycmd="/usr/bin/env ruby" 253 rubycmd="/usr/bin/env ruby"
200 257
201 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 258 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
202#!${rubycmd} 259#!${rubycmd}
203# This is a simplified version of the RubyGems wrapper 260# This is a simplified version of the RubyGems wrapper
204# 261#
205# Generated by ruby-fakegem.eclass $Revision: 1.20 $ 262# Generated by ruby-fakegem.eclass $Revision: 1.31 $
206 263
207require 'rubygems' 264require 'rubygems'
208 265
209load Gem::default_path[-1] + "/gems/${relativegembinary}" 266load Gem::default_path[-1] + "/gems/${relativegembinary}"
210 267
231all_ruby_unpack() { 288all_ruby_unpack() {
232 # Special support for extracting .gem files; the file need to be 289 # Special support for extracting .gem files; the file need to be
233 # extracted twice and the mtime from the archive _has_ to be 290 # extracted twice and the mtime from the archive _has_ to be
234 # ignored (it's always set to epoch 0). 291 # ignored (it's always set to epoch 0).
235 for archive in ${A}; do 292 for archive in ${A}; do
236 if [[ ${archive} == *.gem ]]; then 293 case "${archive}" in
294 *.gem)
237 # Make sure that we're not running unoack for more than 295 # Make sure that we're not running unpack for more than
238 # one .gem file, since we won't support that at all. 296 # one .gem file, since we won't support that at all.
239 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists" 297 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
240 298
241 ebegin "Unpacking .gem file..." 299 ebegin "Unpacking .gem file..."
242 tar -mxf ${DISTDIR}/${archive} || die 300 tar -mxf ${DISTDIR}/${archive} || die
243 eend $? 301 eend $?
244 302
303 ebegin "Uncompressing metadata"
304 gunzip metadata.gz || die
305 eend $?
306
245 mkdir "${S}" 307 mkdir "${S}"
246 pushd "${S}" &>/dev/null 308 pushd "${S}" &>/dev/null
247 309
248 ebegin "Unpacking data.tar.gz" 310 ebegin "Unpacking data.tar.gz"
249 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 311 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
250 eend $? 312 eend $?
313
251 popd &>/dev/null 314 popd &>/dev/null
252 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 *)
253 unpack ${archive} 325 unpack ${archive}
254 fi 326 ;;
327 esac
255 done 328 done
256} 329}
257 330
258# @FUNCTION: all_ruby_compile 331# @FUNCTION: all_ruby_compile
259# @DESCRIPTION: 332# @DESCRIPTION:
281 354
282# @FUNCTION: each_fakegem_install 355# @FUNCTION: each_fakegem_install
283# @DESCRIPTION: 356# @DESCRIPTION:
284# Install the package for each ruby target. 357# Install the package for each ruby target.
285each_fakegem_install() { 358each_fakegem_install() {
286 ruby_fakegem_genspec 359 ruby_fakegem_install_gemspec
287 360
288 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}" 361 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
289 for directory in bin lib; do 362 for directory in bin lib; do
290 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 363 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
291 done 364 done

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