/[gentoo-x86]/eclass/ruby-fakegem.eclass
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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 1.2 2009/12/15 15:32:27 flameeyes Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.20 2010/07/21 10:43:57 flameeyes 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#
16# providing integration into the RubyGems system even for "regular" packages. 16# providing integration into the RubyGems system even for "regular" packages.
17# 17#
18 18
19inherit ruby-ng 19inherit ruby-ng
20 20
21SRC_URI="mirror://rubygems/${P}.gem"
22
23# @ECLASS-VARIABLE: RUBY_FAKEGEM_NAME 21# @ECLASS-VARIABLE: RUBY_FAKEGEM_NAME
24# @DESCRIPTION: 22# @DESCRIPTION:
25# Sets the Gem name for the generated fake gemspec. 23# Sets the Gem name for the generated fake gemspec.
26# RUBY_FAKEGEM_NAME="${PN}" 24# RUBY_FAKEGEM_NAME="${PN}"
27 25
31# RUBY_FAKEGEM_VERSION="${PV}" 29# RUBY_FAKEGEM_VERSION="${PV}"
32 30
33# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_DOC 31# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_DOC
34# @DESCRIPTION: 32# @DESCRIPTION:
35# Specify the rake(1) task to run to generate documentation. 33# Specify the rake(1) task to run to generate documentation.
36# RUBY_FAKEGEM_VERSION="rdoc" 34# RUBY_FAKEGEM_TASK_DOC="rdoc"
37 35
38# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_TEST 36# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_TEST
39# @DESCRIPTION: 37# @DESCRIPTION:
40# Specify the rake(1) task used for executing tests. 38# Specify the rake(1) task used for executing tests.
41# RUBY_FAKEGEM_VERSION="test" 39# RUBY_FAKEGEM_TASK_TEST="test"
40
41# @ECLASS-VARIABLE: RUBY_FAKEGEM_DOCDIR
42# @DESCRIPTION:
43# Specify the directory under which the documentation is built;
44# if empty no documentation will be installed automatically.
45# RUBY_FAKEGEM_DOCDIR=""
46
47# @ECLASS-VARIABLE: RUBY_FAKEGEM_EXTRADOC
48# @DESCRIPTION:
49# Extra documentation to install (readme, changelogs, …).
50# RUBY_FAKEGEM_EXTRADOC=""
51
52# @ECLASS-VARIABLE: RUBY_FAKEGEM_BINWRAP
53# @DESCRIPTION:
54# Binaries to wrap around (relative to the bin/ directory)
55# RUBY_FAKEGEM_BINWRAP="*"
56
57# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS
58# @DESCRIPTION:
59# Extra require paths (beside lib) to add to the specification
60# RUBY_FAKEGEM_REQUIRE_PATHS=""
42 61
43RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}" 62RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
44RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV}}" 63RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
64RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
45 65
46RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}" 66RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}"
47RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}" 67RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}"
48 68
69RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}"
70
49if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then 71if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then
50 IUSE="$IUSE doc" 72 IUSE="$IUSE doc"
51 ruby_add_bdepend doc "dev-ruby/rake" 73 ruby_add_bdepend "doc? ( dev-ruby/rake )"
52fi 74fi
53 75
54if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then 76if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
55 IUSE="$IUSE test" 77 IUSE="$IUSE test"
56 ruby_add_bdepend test "dev-ruby/rake" 78 ruby_add_bdepend "test? ( dev-ruby/rake )"
57fi 79fi
80
81SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
58 82
59ruby_add_rdepend virtual/rubygems 83ruby_add_rdepend virtual/rubygems
60 84
61# @FUNCTION: ruby_fakegem_gemsdir 85# @FUNCTION: ruby_fakegem_gemsdir
62# @RETURN: Returns the gem data directory 86# @RETURN: Returns the gem data directory
108# Generates a gemspec for the package and places it into the "specifications" 132# Generates a gemspec for the package and places it into the "specifications"
109# directory of RubyGems. 133# directory of RubyGems.
110# In the gemspec, the following values are set: name, version, summary, 134# In the gemspec, the following values are set: name, version, summary,
111# homepage, and require_paths=["lib"]. 135# homepage, and require_paths=["lib"].
112# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version. 136# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version.
137# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
113ruby_fakegem_genspec() { 138ruby_fakegem_genspec() {
114 ( 139 (
140 local required_paths="'lib'"
141 for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
142 required_paths="${required_paths}, '${path}'"
143 done
144
115 # We use the _ruby_implementation variable to avoid having stray 145 # We use the _ruby_implementation variable to avoid having stray
116 # copies with different implementations; while for now we're using 146 # copies with different implementations; while for now we're using
117 # the same exact content, we might have differences in the future, 147 # the same exact content, we might have differences in the future,
118 # so better taking this into consideration. 148 # so better taking this into consideration.
149 local quoted_description=${DESCRIPTION//\"/\\\"}
119 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF 150 cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF
151# generated by ruby-fakegem.eclass $Revision: 1.20 $
120Gem::Specification.new do |s| 152Gem::Specification.new do |s|
121 s.name = "${RUBY_FAKEGEM_NAME}" 153 s.name = "${RUBY_FAKEGEM_NAME}"
122 s.version = "${RUBY_FAKEGEM_VERSION}" 154 s.version = "${RUBY_FAKEGEM_VERSION}"
123 s.summary = "${DESCRIPTION}" 155 s.summary = "${quoted_description}"
124 s.homepage = "${HOMEPAGE}" 156 s.homepage = "${HOMEPAGE}"
125 s.require_paths = ["lib"] 157 s.require_paths = [${required_paths}]
126end 158end
127EOF 159EOF
128 160
129 insinto $(ruby_fakegem_gemsdir)/specifications 161 insinto $(ruby_fakegem_gemsdir)/specifications
130 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec 162 newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
138# path defaults to /usr/bin/$command 170# path defaults to /usr/bin/$command
139ruby_fakegem_binwrapper() { 171ruby_fakegem_binwrapper() {
140 ( 172 (
141 local gembinary=$1 173 local gembinary=$1
142 local newbinary=${2:-/usr/bin/$gembinary} 174 local newbinary=${2:-/usr/bin/$gembinary}
175 local relativegembinary=${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin/${gembinary}
176 local binpath=$(dirname $newbinary)
177 [[ ${binpath} = . ]] && binpath=/usr/bin
178
179 # Try to find out whether the package is going to install for
180 # one or multiple implementations; if we're installing for a
181 # *single* implementation, no need to use “/usr/bin/env ruby”
182 # in the shebang, and we can actually avoid errors when
183 # calling the script by default (see for instance the
184 # JRuby-specific commands).
185 local rubycmd=
186 for implementation in ${USE_RUBY}; do
187 # ignore non-enabled implementations
188 use ruby_targets_${implementation} || continue
189 if [ -z $rubycmd ]; then
190 # if no other implementation was set before, set it.
191 rubycmd="/usr/bin/${implementation}"
192 else
193 # if another implementation already arrived, then make
194 # it generic and break out of the loop. This ensures
195 # that we do at most two iterations.
196 rubycmd="/usr/bin/env ruby"
197 break
198 fi
199 done
143 200
144 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF 201 cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
145#!/usr/bin/env ruby 202#!${rubycmd}
146# This is a simplified version of the RubyGems wrapper 203# This is a simplified version of the RubyGems wrapper
147# 204#
148# Generated by ruby-fakegem.eclass 205# Generated by ruby-fakegem.eclass $Revision: 1.20 $
149 206
150require 'rubygems' 207require 'rubygems'
151 208
152load Gem::GemPathSearcher.new.find('$(tr [A-Z] [a-z] <<< ${RUBY_FAKEGEM_NAME})').full_gem_path + "/bin/${gembinary}" 209load Gem::default_path[-1] + "/gems/${relativegembinary}"
153 210
154EOF 211EOF
155 212
156 exeinto $(dirname $newbinary) 213 exeinto ${binpath:-/usr/bin}
157 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary) 214 newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary)
158 ) || die "Unable to create fakegem wrapper" 215 ) || die "Unable to create fakegem wrapper"
159} 216}
160 217
161# @FUNCTION: all_fakegem_compile 218# @FUNCTION: all_fakegem_compile
173# Unpack the source archive, including support for unpacking gems. 230# Unpack the source archive, including support for unpacking gems.
174all_ruby_unpack() { 231all_ruby_unpack() {
175 # Special support for extracting .gem files; the file need to be 232 # Special support for extracting .gem files; the file need to be
176 # extracted twice and the mtime from the archive _has_ to be 233 # extracted twice and the mtime from the archive _has_ to be
177 # ignored (it's always set to epoch 0). 234 # ignored (it's always set to epoch 0).
178 # 235 for archive in ${A}; do
179 # This only works if there is exactly one archive and that archive
180 # is a .gem file!
181 if [[ $(wc -w <<< ${A}) == 1 ]] &&
182 [[ ${A} == *.gem ]]; then 236 if [[ ${archive} == *.gem ]]; then
237 # Make sure that we're not running unoack for more than
238 # one .gem file, since we won't support that at all.
239 [[ -d "${S}" ]] && die "Unable to unpack ${archive}, ${S} exists"
240
183 ebegin "Unpacking .gem file..." 241 ebegin "Unpacking .gem file..."
184 tar -mxf ${DISTDIR}/${A} || die 242 tar -mxf ${DISTDIR}/${archive} || die
185 eend $? 243 eend $?
186 244
187 mkdir "${S}" 245 mkdir "${S}"
188 pushd "${S}" 246 pushd "${S}" &>/dev/null
189 247
190 ebegin "Unpacking data.tar.gz" 248 ebegin "Unpacking data.tar.gz"
191 tar -mxf "${my_WORKDIR}"/data.tar.gz || die 249 tar -mxf "${my_WORKDIR}"/data.tar.gz || die
192 eend $? 250 eend $?
251 popd &>/dev/null
193 else 252 else
194 [[ -n ${A} ]] && unpack ${A} 253 unpack ${archive}
195 fi 254 fi
255 done
196} 256}
197 257
198# @FUNCTION: all_ruby_compile 258# @FUNCTION: all_ruby_compile
199# @DESCRIPTION: 259# @DESCRIPTION:
200# Compile the package. 260# Compile the package.
205# @FUNCTION: each_fakegem_test 265# @FUNCTION: each_fakegem_test
206# @DESCRIPTION: 266# @DESCRIPTION:
207# Run tests for the package for each ruby target if the test task is defined. 267# Run tests for the package for each ruby target if the test task is defined.
208each_fakegem_test() { 268each_fakegem_test() {
209 local rubyflags= 269 local rubyflags=
210
211 if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
212 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed" 270 ${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed"
213 else
214 echo "No test task defined, skipping tests."
215 fi
216} 271}
217 272
273if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
218# @FUNCTION: each_ruby_test 274 # @FUNCTION: each_ruby_test
219# @DESCRIPTION: 275 # @DESCRIPTION:
220# Run the tests for this package. 276 # Run the tests for this package.
221each_ruby_test() { 277 each_ruby_test() {
222 each_fakegem_test 278 each_fakegem_test
223} 279 }
280fi
224 281
225# @FUNCTION: each_fakegem_install 282# @FUNCTION: each_fakegem_install
226# @DESCRIPTION: 283# @DESCRIPTION:
227# Install the package for each ruby target. 284# Install the package for each ruby target.
228each_fakegem_install() { 285each_fakegem_install() {
229 ruby_fakegem_genspec 286 ruby_fakegem_genspec
230 287
231 local _gemlibdirs= 288 local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
232 for directory in bin lib ${RUBY_FAKEGEM_EXTRAINSTALL}; do 289 for directory in bin lib; do
233 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}" 290 [[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
234 done 291 done
235 292
293 [[ -n ${_gemlibdirs} ]] && \
236 ruby_fakegem_doins -r ${_gemlibdirs} 294 ruby_fakegem_doins -r ${_gemlibdirs}
237} 295}
238 296
239# @FUNCTION: each_ruby_install 297# @FUNCTION: each_ruby_install
240# @DESCRIPTION: 298# @DESCRIPTION:
241# Install the package for each target. 299# Install the package for each target.
246# @FUNCTION: all_fakegem_install 304# @FUNCTION: all_fakegem_install
247# @DESCRIPTION: 305# @DESCRIPTION:
248# Install files common to all ruby targets. 306# Install files common to all ruby targets.
249all_fakegem_install() { 307all_fakegem_install() {
250 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then 308 if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && use doc; then
251 pushd ${RUBY_FAKEGEM_DOCDIR} 309 for dir in ${RUBY_FAKEGEM_DOCDIR}; do
310 [[ -d ${dir} ]] || continue
311
312 pushd ${dir} &>/dev/null
252 dohtml -r * || die "failed to install documentation" 313 dohtml -r * || die "failed to install documentation"
253 popd 314 popd &>/dev/null
315 done
254 fi 316 fi
255 317
256 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then 318 if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then
257 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation" 319 dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation"
258 fi 320 fi
321
322 # binary wrappers; we assume that all the implementations get the
323 # same binaries, or something is wrong anyway, so...
324 if [[ -n ${RUBY_FAKEGEM_BINWRAP} ]]; then
325 local bindir=$(find "${D}" -type d -path "*/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin" -print -quit)
326
327 if [[ -d "${bindir}" ]]; then
328 pushd "${bindir}" &>/dev/null
329 local binaries=$(eval ls ${RUBY_FAKEGEM_BINWRAP})
330 for binary in $binaries; do
331 ruby_fakegem_binwrapper $binary
332 done
333 popd &>/dev/null
334 fi
335 fi
259} 336}
260 337
261# @FUNCTION: all_ruby_install 338# @FUNCTION: all_ruby_install
262# @DESCRIPTION: 339# @DESCRIPTION:
263# Install files common to all ruby targets. 340# Install files common to all ruby targets.

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