/[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 1.26 2010/12/18 09:57:24 graaff Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.30 2011/08/22 04:46:32 vapier 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 dev-ruby/rubygems
87ruby_add_rdepend dev-ruby/rubygems 90ruby_add_rdepend dev-ruby/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:
133 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}
134 newins "$1" ${newbasename} 137 newins "$1" ${newbasename}
135 ) || die "failed $0 $@" 138 ) || die "failed $0 $@"
136} 139}
137 140
141# @FUNCTION: ruby_fakegem_install_gemspec
142# @DESCRIPTION:
143# Install a .gemspec file for this package. Either use the file indicated
144# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
145# ruby_fakegem_genspec.
146ruby_fakegem_install_gemspec() {
147 local gemspec="${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
138# @FUNCTION: ruby_fakegem_genspec 187# @FUNCTION: ruby_fakegem_genspec
188# @USAGE: output-gemspec
139# @DESCRIPTION: 189# @DESCRIPTION:
140# 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"
141# 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.
142# In the gemspec, the following values are set: name, version, summary, 196# In the gemspec, the following values are set: name, version, summary,
143# homepage, and require_paths=["lib"]. 197# homepage, and require_paths=["lib"].
144# 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.
145# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths. 199# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
146ruby_fakegem_genspec() { 200ruby_fakegem_genspec() {
147 (
148 local required_paths="'lib'" 201 local required_paths="'lib'"
149 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do 202 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
150 required_paths="${required_paths}, '${path}'" 203 required_paths="${required_paths}, '${path}'"
151 done 204 done
152 205
153 # We use the _ruby_implementation variable to avoid having stray 206 # We use the _ruby_implementation variable to avoid having stray
154 # copies with different implementations; while for now we're using 207 # copies with different implementations; while for now we're using
155 # the same exact content, we might have differences in the future, 208 # the same exact content, we might have differences in the future,
156 # so better taking this into consideration. 209 # so better taking this into consideration.
157 local quoted_description=${DESCRIPTION//\"/\\\"} 210 local quoted_description=${DESCRIPTION//\"/\\\"}
158 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 211 cat - > $1 <<EOF
159# generated by ruby-fakegem.eclass $Revision: 1.26 $ 212# generated by ruby-fakegem.eclass $Revision: 1.30 $
160Gem::Specification.new do |s| 213Gem::Specification.new do |s|
161 s.name = "${RUBY_FAKEGEM_NAME}" 214 s.name = "${RUBY_FAKEGEM_NAME}"
162 s.version = "${RUBY_FAKEGEM_VERSION}" 215 s.version = "${RUBY_FAKEGEM_VERSION}"
163 s.summary = "${quoted_description}" 216 s.summary = "${quoted_description}"
164 s.homepage = "${HOMEPAGE}" 217 s.homepage = "${HOMEPAGE}"
165 s.require_paths = [${required_paths}] 218 s.require_paths = [${required_paths}]
166end 219end
167EOF 220EOF
168
169 insinto $(ruby_fakegem_gemsdir)/specifications
170 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
171 ) || die "Unable to install fake gemspec"
172} 221}
173 222
174# @FUNCTION: ruby_fakegem_binwrapper 223# @FUNCTION: ruby_fakegem_binwrapper
175# @USAGE: command [path] 224# @USAGE: command [path]
176# @DESCRIPTION: 225# @DESCRIPTION:
208 257
209 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 258 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
210#!${rubycmd} 259#!${rubycmd}
211# This is a simplified version of the RubyGems wrapper 260# This is a simplified version of the RubyGems wrapper
212# 261#
213# Generated by ruby-fakegem.eclass $Revision: 1.26 $ 262# Generated by ruby-fakegem.eclass $Revision: 1.30 $
214 263
215require 'rubygems' 264require 'rubygems'
216 265
217load Gem::default_path[-1] + "/gems/${relativegembinary}" 266load Gem::default_path[-1] + "/gems/${relativegembinary}"
218 267
241 # extracted twice and the mtime from the archive _has_ to be 290 # extracted twice and the mtime from the archive _has_ to be
242 # ignored (it's always set to epoch 0). 291 # ignored (it's always set to epoch 0).
243 for archive in ${A}; do 292 for archive in ${A}; do
244 case "${archive}" in 293 case "${archive}" in
245 *.gem) 294 *.gem)
246 # Make sure that we're not running unoack for more than 295 # Make sure that we're not running unpack for more than
247 # one .gem file, since we won't support that at all. 296 # one .gem file, since we won't support that at all.
248 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists" 297 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
249 298
250 ebegin "Unpacking .gem file..." 299 ebegin "Unpacking .gem file..."
251 tar -mxf ${DISTDIR}/${archive} || die 300 tar -mxf ${DISTDIR}/${archive} || die
252 eend $? 301 eend $?
253 302
303 ebegin "Uncompressing metadata"
304 gunzip metadata.gz || die
305 eend $?
306
254 mkdir "${S}" 307 mkdir "${S}"
255 pushd "${S}" &>/dev/null 308 pushd "${S}" &>/dev/null
256 309
257 ebegin "Unpacking data.tar.gz" 310 ebegin "Unpacking data.tar.gz"
258 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 311 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
259 eend $? 312 eend $?
313
260 popd &>/dev/null 314 popd &>/dev/null
261 ;; 315 ;;
262 *.patch.bz2) 316 *.patch.bz2)
263 # We apply the patches with RUBY_PATCHES directly from DISTDIR, 317 # We apply the patches with RUBY_PATCHES directly from DISTDIR,
264 # as the WORKDIR variable changes value between the global-scope 318 # as the WORKDIR variable changes value between the global-scope
300 354
301# @FUNCTION: each_fakegem_install 355# @FUNCTION: each_fakegem_install
302# @DESCRIPTION: 356# @DESCRIPTION:
303# Install the package for each ruby target. 357# Install the package for each ruby target.
304each_fakegem_install() { 358each_fakegem_install() {
305 ruby_fakegem_genspec 359 ruby_fakegem_install_gemspec
306 360
307 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}" 361 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
308 for directory in bin lib; do 362 for directory in bin lib; do
309 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 363 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
310 done 364 done

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