/[gentoo-x86]/eclass/ruby-fakegem.eclass
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Revision 1.4 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 1.4 2009/12/15 17:43:51 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#
47# @ECLASS-VARIABLE: RUBY_FAKEGEM_EXTRADOC 47# @ECLASS-VARIABLE: RUBY_FAKEGEM_EXTRADOC
48# @DESCRIPTION: 48# @DESCRIPTION:
49# Extra documentation to install (readme, changelogs, …). 49# Extra documentation to install (readme, changelogs, …).
50# RUBY_FAKEGEM_EXTRADOC="" 50# RUBY_FAKEGEM_EXTRADOC=""
51 51
52# @ECLASS-VARIABLE: RUBY_FAKEGEM_BINWRAP
53# @DESCRIPTION:
54# Binaries to wrap around (relative to the bin/ directory)
55# RUBY_FAKEGEM_BINWRAP="*"
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
52RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}" 67RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
53RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV}}" 68RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
69RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
54 70
55RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}" 71RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}"
56RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}" 72RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}"
57 73
74RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}"
75
58if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then 76if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then
59 IUSE="$IUSE doc" 77 IUSE="$IUSE doc"
60 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"
61fi 83fi
62 84
63if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then 85if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
64 IUSE="$IUSE test" 86 IUSE="$IUSE test"
65 ruby_add_bdepend test "dev-ruby/rake" 87 ruby_add_bdepend "test? ( dev-ruby/rake )"
66fi 88fi
67 89
68SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gem" 90SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
69 91
92ruby_add_bdepend dev-ruby/rubygems
70ruby_add_rdepend virtual/rubygems 93ruby_add_rdepend dev-ruby/rubygems
71 94
72# @FUNCTION: ruby_fakegem_gemsdir 95# @FUNCTION: ruby_fakegem_gemsdir
73# @RETURN: Returns the gem data directory 96# @RETURN: Returns the gem data directory
74# @DESCRIPTION: 97# @DESCRIPTION:
75# This function returns the gems data directory for the ruby 98# This function returns the gems data directory for the ruby
76# implementation in question. 99# implementation in question.
77ruby_fakegem_gemsdir() { 100ruby_fakegem_gemsdir() {
78 local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:') 101 has "${EAPI}" 2 && ! use prefix && EPREFIX=
102
103 local _gemsitedir=$(ruby_rbconfig_value 'sitelibdir')
104 _gemsitedir=${_gemsitedir//site_ruby/gems}
105 _gemsitedir=${_gemsitedir#${EPREFIX}}
79 106
80 [[ -z ${_gemsitedir} ]] && { 107 [[ -z ${_gemsitedir} ]] && {
81 eerror "Unable to find the gems dir" 108 eerror "Unable to find the gems dir"
82 die "Unable to find the gems dir" 109 die "Unable to find the gems dir"
83 } 110 }
112 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}
113 newins "$1" ${newbasename} 140 newins "$1" ${newbasename}
114 ) || die "failed $0 $@" 141 ) || die "failed $0 $@"
115} 142}
116 143
144# @FUNCTION: ruby_fakegem_install_gemspec
145# @DESCRIPTION:
146# Install a .gemspec file for this package. Either use the file indicated
147# by the RUBY_FAKEGEM_GEMSPEC variable, or generate one using
148# ruby_fakegem_genspec.
149ruby_fakegem_install_gemspec() {
150 local gemspec="${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
117# @FUNCTION: ruby_fakegem_genspec 190# @FUNCTION: ruby_fakegem_genspec
191# @USAGE: output-gemspec
118# @DESCRIPTION: 192# @DESCRIPTION:
119# 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"
120# 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.
121# In the gemspec, the following values are set: name, version, summary, 199# In the gemspec, the following values are set: name, version, summary,
122# homepage, and require_paths=["lib"]. 200# homepage, and require_paths=["lib"].
123# 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.
124ruby_fakegem_genspec() { 203ruby_fakegem_genspec() {
125 ( 204 local required_paths="'lib'"
205 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
206 required_paths="${required_paths}, '${path}'"
207 done
208
126 # We use the _ruby_implementation variable to avoid having stray 209 # We use the _ruby_implementation variable to avoid having stray
127 # copies with different implementations; while for now we're using 210 # copies with different implementations; while for now we're using
128 # the same exact content, we might have differences in the future, 211 # the same exact content, we might have differences in the future,
129 # so better taking this into consideration. 212 # so better taking this into consideration.
130 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 213 local quoted_description=${DESCRIPTION//\"/\\\"}
214 cat - > $1 <<EOF
215# generated by ruby-fakegem.eclass $Revision: 1.29 $
131Gem::Specification.new do |s| 216Gem::Specification.new do |s|
132 s.name = "${RUBY_FAKEGEM_NAME}" 217 s.name = "${RUBY_FAKEGEM_NAME}"
133 s.version = "${RUBY_FAKEGEM_VERSION}" 218 s.version = "${RUBY_FAKEGEM_VERSION}"
134 s.summary = "${DESCRIPTION}" 219 s.summary = "${quoted_description}"
135 s.homepage = "${HOMEPAGE}" 220 s.homepage = "${HOMEPAGE}"
136 s.require_paths = ["lib"] 221 s.require_paths = [${required_paths}]
137end 222end
138EOF 223EOF
139
140 insinto $(ruby_fakegem_gemsdir)/specifications
141 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
142 ) || die "Unable to install fake gemspec"
143} 224}
144 225
145# @FUNCTION: ruby_fakegem_binwrapper 226# @FUNCTION: ruby_fakegem_binwrapper
146# @USAGE: command [path] 227# @USAGE: command [path]
147# @DESCRIPTION: 228# @DESCRIPTION:
149# path defaults to /usr/bin/$command 230# path defaults to /usr/bin/$command
150ruby_fakegem_binwrapper() { 231ruby_fakegem_binwrapper() {
151 ( 232 (
152 local gembinary=$1 233 local gembinary=$1
153 local newbinary=${2:-/usr/bin/$gembinary} 234 local newbinary=${2:-/usr/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 ${implementation})"
252 else
253 # if another implementation already arrived, then make
254 # it generic and break out of the loop. This ensures
255 # that we do at most two iterations.
256 rubycmd="/usr/bin/env ruby"
257 break
258 fi
259 done
154 260
155 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 261 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
156#!/usr/bin/env ruby 262#!${rubycmd}
157# This is a simplified version of the RubyGems wrapper 263# This is a simplified version of the RubyGems wrapper
158# 264#
159# Generated by ruby-fakegem.eclass 265# Generated by ruby-fakegem.eclass $Revision: 1.29 $
160 266
161require 'rubygems' 267require 'rubygems'
162 268
163load Gem::GemPathSearcher.new.find('$(tr [A-Z] [a-z] <<< ${RUBY_FAKEGEM_NAME})').full_gem_path + "/bin/${gembinary}" 269load Gem::default_path[-1] + "/gems/${relativegembinary}"
164 270
165EOF 271EOF
166 272
167 exeinto $(dirname $newbinary) 273 exeinto ${binpath:-/usr/bin}
168 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary) 274 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary)
169 ) || die "Unable to create fakegem wrapper" 275 ) || die "Unable to create fakegem wrapper"
170} 276}
171 277
172# @FUNCTION: all_fakegem_compile 278# @FUNCTION: all_fakegem_compile
184# Unpack the source archive, including support for unpacking gems. 290# Unpack the source archive, including support for unpacking gems.
185all_ruby_unpack() { 291all_ruby_unpack() {
186 # Special support for extracting .gem files; the file need to be 292 # Special support for extracting .gem files; the file need to be
187 # extracted twice and the mtime from the archive _has_ to be 293 # extracted twice and the mtime from the archive _has_ to be
188 # ignored (it's always set to epoch 0). 294 # ignored (it's always set to epoch 0).
189 # 295 for archive in ${A}; do
190 # This only works if there is exactly one archive and that archive 296 case "${archive}" in
191 # is a .gem file! 297 *.gem)
192 if [[ $(wc -w <<< ${A}) == 1 ]] && 298 # Make sure that we're not running unpack for more than
193 [[ ${A} == *.gem ]]; then 299 # one .gem file, since we won't support that at all.
300 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
301
194 ebegin "Unpacking .gem file..." 302 ebegin "Unpacking .gem file..."
195 tar -mxf ${DISTDIR}/${A} || die 303 tar -mxf ${DISTDIR}/${archive} || die
196 eend $? 304 eend $?
197 305
306 ebegin "Uncompressing metadata"
307 gunzip metadata.gz || die
308 eend $?
309
198 mkdir "${S}" 310 mkdir "${S}"
199 pushd "${S}" 311 pushd "${S}" &>/dev/null
200 312
201 ebegin "Unpacking data.tar.gz" 313 ebegin "Unpacking data.tar.gz"
202 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 314 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
203 eend $? 315 eend $?
204 else 316
205 [[ -n ${A} ]] && unpack ${A} 317 popd &>/dev/null
206 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
207} 332}
208 333
209# @FUNCTION: all_ruby_compile 334# @FUNCTION: all_ruby_compile
210# @DESCRIPTION: 335# @DESCRIPTION:
211# Compile the package. 336# Compile the package.
216# @FUNCTION: each_fakegem_test 341# @FUNCTION: each_fakegem_test
217# @DESCRIPTION: 342# @DESCRIPTION:
218# 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.
219each_fakegem_test() { 344each_fakegem_test() {
220 local rubyflags= 345 local rubyflags=
221
222 if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
223 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed" 346 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed"
224 else
225 echo "No test task defined, skipping tests."
226 fi
227} 347}
228 348
349if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
229# @FUNCTION: each_ruby_test 350 # @FUNCTION: each_ruby_test
230# @DESCRIPTION: 351 # @DESCRIPTION:
231# Run the tests for this package. 352 # Run the tests for this package.
232each_ruby_test() { 353 each_ruby_test() {
233 each_fakegem_test 354 each_fakegem_test
234} 355 }
356fi
235 357
236# @FUNCTION: each_fakegem_install 358# @FUNCTION: each_fakegem_install
237# @DESCRIPTION: 359# @DESCRIPTION:
238# Install the package for each ruby target. 360# Install the package for each ruby target.
239each_fakegem_install() { 361each_fakegem_install() {
240 ruby_fakegem_genspec 362 ruby_fakegem_install_gemspec
241 363
242 local _gemlibdirs= 364 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
243 for directory in bin lib ${RUBY_FAKEGEM_EXTRAINSTALL}; do 365 for directory in bin lib; do
244 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 366 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
245 done 367 done
246 368
369 [[ -n ${_gemlibdirs} ]] && \
247 ruby_fakegem_doins -r ${_gemlibdirs} 370 ruby_fakegem_doins -r ${_gemlibdirs}
248} 371}
249 372
250# @FUNCTION: each_ruby_install 373# @FUNCTION: each_ruby_install
251# @DESCRIPTION: 374# @DESCRIPTION:
252# Install the package for each target. 375# Install the package for each target.
257# @FUNCTION: all_fakegem_install 380# @FUNCTION: all_fakegem_install
258# @DESCRIPTION: 381# @DESCRIPTION:
259# Install files common to all ruby targets. 382# Install files common to all ruby targets.
260all_fakegem_install() { 383all_fakegem_install() {
261 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then 384 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then
262 pushd ${RUBY_FAKEGEM_DOCDIR} 385 for dir in ${RUBY_FAKEGEM_DOCDIR}; do
386 [[ -d ${dir} ]] || continue
387
388 pushd ${dir} &>/dev/null
263 dohtml -r * || die "failed to install documentation" 389 dohtml -r * || die "failed to install documentation"
264 popd 390 popd &>/dev/null
391 done
265 fi 392 fi
266 393
267 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then 394 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then
268 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation" 395 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation"
269 fi 396 fi
397
398 # binary wrappers; we assume that all the implementations get the
399 # same binaries, or something is wrong anyway, so...
400 if [[ -n ${RUBY_FAKEGEM_BINWRAP} ]]; then
401 local bindir=$(find "${D}" -type d -path "*/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin" -print -quit)
402
403 if [[ -d "${bindir}" ]]; then
404 pushd "${bindir}" &>/dev/null
405 local binaries=$(eval ls ${RUBY_FAKEGEM_BINWRAP})
406 for binary in $binaries; do
407 ruby_fakegem_binwrapper $binary
408 done
409 popd &>/dev/null
410 fi
411 fi
270} 412}
271 413
272# @FUNCTION: all_ruby_install 414# @FUNCTION: all_ruby_install
273# @DESCRIPTION: 415# @DESCRIPTION:
274# Install files common to all ruby targets. 416# Install files common to all ruby targets.

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