/[gentoo-x86]/eclass/ruby-fakegem.eclass
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Revision 1.7 Revision 1.27
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 1.7 2009/12/21 19:07:38 flameeyes Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.27 2010/12/28 12:07:15 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#
52# @ECLASS-VARIABLE: RUBY_FAKEGEM_BINWRAP 52# @ECLASS-VARIABLE: RUBY_FAKEGEM_BINWRAP
53# @DESCRIPTION: 53# @DESCRIPTION:
54# Binaries to wrap around (relative to the bin/ directory) 54# Binaries to wrap around (relative to the bin/ directory)
55# RUBY_FAKEGEM_BINWRAP="*" 55# RUBY_FAKEGEM_BINWRAP="*"
56 56
57# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS
58# @DESCRIPTION:
59# Extra require paths (beside lib) to add to the specification
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=""
66
57RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}" 67RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
58RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV}}" 68RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
69RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
59 70
60RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}" 71RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}"
61RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}" 72RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}"
62 73
63RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}" 74RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}"
64 75
65if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then 76if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then
66 IUSE="$IUSE doc" 77 IUSE="$IUSE doc"
67 ruby_add_bdepend doc "dev-ruby/rake" 78 ruby_add_bdepend "doc? ( dev-ruby/rake )"
79fi
80
81if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]]; then
82 IUSE="$IUSE doc"
68fi 83fi
69 84
70if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then 85if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
71 IUSE="$IUSE test" 86 IUSE="$IUSE test"
72 ruby_add_bdepend test "dev-ruby/rake" 87 ruby_add_bdepend "test? ( dev-ruby/rake )"
73fi 88fi
74 89
75SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gem" 90SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
76 91
92ruby_add_bdepend dev-ruby/rubygems
77ruby_add_rdepend virtual/rubygems 93ruby_add_rdepend dev-ruby/rubygems
78 94
79# @FUNCTION: ruby_fakegem_gemsdir 95# @FUNCTION: ruby_fakegem_gemsdir
80# @RETURN: Returns the gem data directory 96# @RETURN: Returns the gem data directory
81# @DESCRIPTION: 97# @DESCRIPTION:
82# This function returns the gems data directory for the ruby 98# This function returns the gems data directory for the ruby
83# implementation in question. 99# implementation in question.
84ruby_fakegem_gemsdir() { 100ruby_fakegem_gemsdir() {
85 local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:') 101 has "${EAPI}" 2 && ! use prefix && EPREFIX=
102
103 local _gemsitedir=$(ruby_rbconfig_value 'sitelibdir')
104 _gemsitedir=${_gemsitedir//site_ruby/gems}
105 _gemsitedir=${_gemsitedir#${EPREFIX}}
86 106
87 [[ -z ${_gemsitedir} ]] && { 107 [[ -z ${_gemsitedir} ]] && {
88 eerror "Unable to find the gems dir" 108 eerror "Unable to find the gems dir"
89 die "Unable to find the gems dir" 109 die "Unable to find the gems dir"
90 } 110 }
119 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}
120 newins "$1" ${newbasename} 140 newins "$1" ${newbasename}
121 ) || die "failed $0 $@" 141 ) || die "failed $0 $@"
122} 142}
123 143
144# @FUNCTION: ruby_fakegem_install_gemspec
145# @DESCRIPTION:
146# Install a .gemspec file for this package. Either use the file indicated
147# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
148# ruby_fakegem_genspec.
149ruby_fakegem_install_gemspec() {
150 local gemspec="${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 ) || "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
124# @FUNCTION: ruby_fakegem_genspec 190# @FUNCTION: ruby_fakegem_genspec
191# @USAGE: output-gemspec
125# @DESCRIPTION: 192# @DESCRIPTION:
126# 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"
127# 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.
128# In the gemspec, the following values are set: name, version, summary, 199# In the gemspec, the following values are set: name, version, summary,
129# homepage, and require_paths=["lib"]. 200# homepage, and require_paths=["lib"].
130# 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.
202# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
131ruby_fakegem_genspec() { 203ruby_fakegem_genspec() {
132 ( 204 local required_paths="'lib'"
205 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
206 required_paths="${required_paths}, '${path}'"
207 done
208
133 # We use the _ruby_implementation variable to avoid having stray 209 # We use the _ruby_implementation variable to avoid having stray
134 # copies with different implementations; while for now we're using 210 # copies with different implementations; while for now we're using
135 # the same exact content, we might have differences in the future, 211 # the same exact content, we might have differences in the future,
136 # so better taking this into consideration. 212 # so better taking this into consideration.
137 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 213 local quoted_description=${DESCRIPTION//\"/\\\"}
214 cat - > $1 <<EOF
215# generated by ruby-fakegem.eclass $Revision: 1.27 $
138Gem::Specification.new do |s| 216Gem::Specification.new do |s|
139 s.name = "${RUBY_FAKEGEM_NAME}" 217 s.name = "${RUBY_FAKEGEM_NAME}"
140 s.version = "${RUBY_FAKEGEM_VERSION}" 218 s.version = "${RUBY_FAKEGEM_VERSION}"
141 s.summary = "${DESCRIPTION}" 219 s.summary = "${quoted_description}"
142 s.homepage = "${HOMEPAGE}" 220 s.homepage = "${HOMEPAGE}"
143 s.require_paths = ["lib"] 221 s.require_paths = [${required_paths}]
144end 222end
145EOF 223EOF
146
147 insinto $(ruby_fakegem_gemsdir)/specifications
148 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
149 ) || die "Unable to install fake gemspec"
150} 224}
151 225
152# @FUNCTION: ruby_fakegem_binwrapper 226# @FUNCTION: ruby_fakegem_binwrapper
153# @USAGE: command [path] 227# @USAGE: command [path]
154# @DESCRIPTION: 228# @DESCRIPTION:
157ruby_fakegem_binwrapper() { 231ruby_fakegem_binwrapper() {
158 ( 232 (
159 local gembinary=$1 233 local gembinary=$1
160 local newbinary=${2:-/usr/bin/$gembinary} 234 local newbinary=${2:-/usr/bin/$gembinary}
161 local relativegembinary=${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin/${gembinary} 235 local relativegembinary=${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin/${gembinary}
236 local binpath=$(dirname $newbinary)
237 [[ ${binpath} = . ]] && binpath=/usr/bin
238
239 # Try to find out whether the package is going to install for
240 # one or multiple implementations; if we're installing for a
241 # *single* implementation, no need to use “/usr/bin/env ruby”
242 # in the shebang, and we can actually avoid errors when
243 # calling the script by default (see for instance the
244 # JRuby-specific commands).
245 local rubycmd=
246 for implementation in ${USE_RUBY}; do
247 # ignore non-enabled implementations
248 use ruby_targets_${implementation} || continue
249 if [ -z $rubycmd ]; then
250 # if no other implementation was set before, set it.
251 rubycmd="$(ruby_implementation_command ${implementation})"
252 else
253 # if another implementation already arrived, then make
254 # it generic and break out of the loop. This ensures
255 # that we do at most two iterations.
256 rubycmd="/usr/bin/env ruby"
257 break
258 fi
259 done
162 260
163 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 261 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
164#!/usr/bin/env ruby 262#!${rubycmd}
165# This is a simplified version of the RubyGems wrapper 263# This is a simplified version of the RubyGems wrapper
166# 264#
167# Generated by ruby-fakegem.eclass 265# Generated by ruby-fakegem.eclass $Revision: 1.27 $
168 266
169require 'rubygems' 267require 'rubygems'
170 268
171load Gem::default_path[-1] + "/gems/${relativegembinary}" 269load Gem::default_path[-1] + "/gems/${relativegembinary}"
172 270
173EOF 271EOF
174 272
175 exeinto $(dirname $newbinary) 273 exeinto ${binpath:-/usr/bin}
176 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary) 274 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary)
177 ) || die "Unable to create fakegem wrapper" 275 ) || die "Unable to create fakegem wrapper"
178} 276}
179 277
180# @FUNCTION: all_fakegem_compile 278# @FUNCTION: all_fakegem_compile
192# Unpack the source archive, including support for unpacking gems. 290# Unpack the source archive, including support for unpacking gems.
193all_ruby_unpack() { 291all_ruby_unpack() {
194 # Special support for extracting .gem files; the file need to be 292 # Special support for extracting .gem files; the file need to be
195 # extracted twice and the mtime from the archive _has_ to be 293 # extracted twice and the mtime from the archive _has_ to be
196 # ignored (it's always set to epoch 0). 294 # ignored (it's always set to epoch 0).
197 # 295 for archive in ${A}; do
198 # This only works if there is exactly one archive and that archive 296 case "${archive}" in
199 # is a .gem file! 297 *.gem)
200 if [[ $(wc -w <<< ${A}) == 1 ]] && 298 # Make sure that we're not running unoack for more than
201 [[ ${A} == *.gem ]]; then 299 # one .gem file, since we won't support that at all.
300 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
301
202 ebegin "Unpacking .gem file..." 302 ebegin "Unpacking .gem file..."
203 tar -mxf ${DISTDIR}/${A} || die 303 tar -mxf ${DISTDIR}/${archive} || die
204 eend $? 304 eend $?
205 305
306 ebegin "Uncompressing metadata"
307 gunzip metadata.gz || die
308 eend $?
309
206 mkdir "${S}" 310 mkdir "${S}"
207 pushd "${S}" 311 pushd "${S}" &>/dev/null
208 312
209 ebegin "Unpacking data.tar.gz" 313 ebegin "Unpacking data.tar.gz"
210 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 314 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
211 eend $? 315 eend $?
212 else 316
213 [[ -n ${A} ]] && unpack ${A} 317 popd &>/dev/null
214 fi 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 *)
328 unpack ${archive}
329 ;;
330 esac
331 done
215} 332}
216 333
217# @FUNCTION: all_ruby_compile 334# @FUNCTION: all_ruby_compile
218# @DESCRIPTION: 335# @DESCRIPTION:
219# Compile the package. 336# Compile the package.
224# @FUNCTION: each_fakegem_test 341# @FUNCTION: each_fakegem_test
225# @DESCRIPTION: 342# @DESCRIPTION:
226# Run tests for the package for each ruby target if the test task is defined. 343# Run tests for the package for each ruby target if the test task is defined.
227each_fakegem_test() { 344each_fakegem_test() {
228 local rubyflags= 345 local rubyflags=
229
230 if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
231 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed" 346 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed"
232 else
233 echo "No test task defined, skipping tests."
234 fi
235} 347}
236 348
349if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
237# @FUNCTION: each_ruby_test 350 # @FUNCTION: each_ruby_test
238# @DESCRIPTION: 351 # @DESCRIPTION:
239# Run the tests for this package. 352 # Run the tests for this package.
240each_ruby_test() { 353 each_ruby_test() {
241 each_fakegem_test 354 each_fakegem_test
242} 355 }
356fi
243 357
244# @FUNCTION: each_fakegem_install 358# @FUNCTION: each_fakegem_install
245# @DESCRIPTION: 359# @DESCRIPTION:
246# Install the package for each ruby target. 360# Install the package for each ruby target.
247each_fakegem_install() { 361each_fakegem_install() {
248 ruby_fakegem_genspec 362 ruby_fakegem_install_gemspec
249 363
250 local _gemlibdirs= 364 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
251 for directory in bin lib ${RUBY_FAKEGEM_EXTRAINSTALL}; do 365 for directory in bin lib; do
252 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 366 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
253 done 367 done
254 368
369 [[ -n ${_gemlibdirs} ]] && \
255 ruby_fakegem_doins -r ${_gemlibdirs} 370 ruby_fakegem_doins -r ${_gemlibdirs}
256} 371}
257 372
258# @FUNCTION: each_ruby_install 373# @FUNCTION: each_ruby_install
259# @DESCRIPTION: 374# @DESCRIPTION:
260# Install the package for each target. 375# Install the package for each target.
266# @DESCRIPTION: 381# @DESCRIPTION:
267# Install files common to all ruby targets. 382# Install files common to all ruby targets.
268all_fakegem_install() { 383all_fakegem_install() {
269 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then 384 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then
270 for dir in ${RUBY_FAKEGEM_DOCDIR}; do 385 for dir in ${RUBY_FAKEGEM_DOCDIR}; do
271 pushd ${dir} 386 [[ -d ${dir} ]] || continue
387
388 pushd ${dir} &>/dev/null
272 dohtml -r * || die "failed to install documentation" 389 dohtml -r * || die "failed to install documentation"
273 popd 390 popd &>/dev/null
274 done 391 done
275 fi 392 fi
276 393
277 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then 394 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then
278 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation" 395 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation"
282 # same binaries, or something is wrong anyway, so... 399 # same binaries, or something is wrong anyway, so...
283 if [[ -n ${RUBY_FAKEGEM_BINWRAP} ]]; then 400 if [[ -n ${RUBY_FAKEGEM_BINWRAP} ]]; then
284 local bindir=$(find "${D}" -type d -path "*/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin" -print -quit) 401 local bindir=$(find "${D}" -type d -path "*/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin" -print -quit)
285 402
286 if [[ -d "${bindir}" ]]; then 403 if [[ -d "${bindir}" ]]; then
287 pushd "${bindir}" 404 pushd "${bindir}" &>/dev/null
288 local binaries=$(eval ls ${RUBY_FAKEGEM_BINWRAP}) 405 local binaries=$(eval ls ${RUBY_FAKEGEM_BINWRAP})
289 for binary in $binaries; do 406 for binary in $binaries; do
290 ruby_fakegem_binwrapper $binary 407 ruby_fakegem_binwrapper $binary
291 done 408 done
292 popd 409 popd &>/dev/null
293 fi 410 fi
294 fi 411 fi
295} 412}
296 413
297# @FUNCTION: all_ruby_install 414# @FUNCTION: all_ruby_install

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