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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/ruby-fakegem.eclass,v 1.17 2010/02/19 11:59:38 flameeyes Exp $
#
# @ECLASS: ruby-fakegem.eclass
# @MAINTAINER:
# Ruby herd <ruby@gentoo.org>
#
# Author: Diego E. Pettenò <flameeyes@gentoo.org>
#
# Author: Alex Legler <a3li@gentoo.org>
#
# @BLURB: An eclass for installing Ruby packages to behave like RubyGems.
# @DESCRIPTION:
# This eclass allows to install arbitrary Ruby libraries (including Gems),
# providing integration into the RubyGems system even for "regular" packages.
#
inherit ruby-ng
# @ECLASS-VARIABLE: RUBY_FAKEGEM_NAME
# @DESCRIPTION:
# Sets the Gem name for the generated fake gemspec.
# RUBY_FAKEGEM_NAME="${PN}"
# @ECLASS-VARIABLE: RUBY_FAKEGEM_VERSION
# @DESCRIPTION:
# Sets the Gem version for the generated fake gemspec.
# RUBY_FAKEGEM_VERSION="${PV}"
# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_DOC
# @DESCRIPTION:
# Specify the rake(1) task to run to generate documentation.
# RUBY_FAKEGEM_TASK_DOC="rdoc"
# @ECLASS-VARIABLE: RUBY_FAKEGEM_TASK_TEST
# @DESCRIPTION:
# Specify the rake(1) task used for executing tests.
# RUBY_FAKEGEM_TASK_TEST="test"
# @ECLASS-VARIABLE: RUBY_FAKEGEM_DOCDIR
# @DESCRIPTION:
# Specify the directory under which the documentation is built;
# if empty no documentation will be installed automatically.
# RUBY_FAKEGEM_DOCDIR=""
# @ECLASS-VARIABLE: RUBY_FAKEGEM_EXTRADOC
# @DESCRIPTION:
# Extra documentation to install (readme, changelogs, …).
# RUBY_FAKEGEM_EXTRADOC=""
# @ECLASS-VARIABLE: RUBY_FAKEGEM_BINWRAP
# @DESCRIPTION:
# Binaries to wrap around (relative to the bin/ directory)
# RUBY_FAKEGEM_BINWRAP="*"
# @ECLASS-VARIABLE: RUBY_FAKEGEM_REQUIRE_PATHS
# @DESCRIPTION:
# Extra require paths (beside lib) to add to the specification
# RUBY_FAKEGEM_REQUIRE_PATHS=""
RUBY_FAKEGEM_NAME="${RUBY_FAKEGEM_NAME:-${PN}}"
RUBY_FAKEGEM_VERSION="${RUBY_FAKEGEM_VERSION:-${PV/_pre/.pre}}"
RUBY_FAKEGEM_SUFFIX="${RUBY_FAKEGEM_SUFFIX:-}"
RUBY_FAKEGEM_TASK_DOC="${RUBY_FAKEGEM_TASK_DOC-rdoc}"
RUBY_FAKEGEM_TASK_TEST="${RUBY_FAKEGEM_TASK_TEST-test}"
RUBY_FAKEGEM_BINWRAP="${RUBY_FAKEGEM_BINWRAP-*}"
if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]]; then
IUSE="$IUSE doc"
ruby_add_bdepend doc "dev-ruby/rake"
fi
if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
IUSE="$IUSE test"
ruby_add_bdepend test "dev-ruby/rake"
fi
SRC_URI="mirror://rubygems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${RUBY_FAKEGEM_SUFFIX:+-${RUBY_FAKEGEM_SUFFIX}}.gem"
ruby_add_rdepend virtual/rubygems
# @FUNCTION: ruby_fakegem_gemsdir
# @RETURN: Returns the gem data directory
# @DESCRIPTION:
# This function returns the gems data directory for the ruby
# implementation in question.
ruby_fakegem_gemsdir() {
local _gemsitedir=$(${RUBY} -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' | sed -e 's:site_ruby:gems:')
[[ -z ${_gemsitedir} ]] && {
eerror "Unable to find the gems dir"
die "Unable to find the gems dir"
}
echo "${_gemsitedir}"
}
# @FUNCTION: ruby_fakegem_doins
# @USAGE: file [file...]
# @DESCRIPTION:
# Installs the specified file(s) into the gems directory.
ruby_fakegem_doins() {
(
insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}
doins "$@"
) || die "failed $0 $@"
}
# @FUNCTION: ruby_fakegem_newsins()
# @USAGE: file filename
# @DESCRIPTION:
# Installs the specified file into the gems directory using the provided filename.
ruby_fakegem_newins() {
(
# Since newins does not accept full paths but just basenames
# for the target file, we want to extend it here.
local newdirname=/$(dirname "$2")
[[ ${newdirname} == "/." ]] && newdirname=
local newbasename=$(basename "$2")
insinto $(ruby_fakegem_gemsdir)/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}${newdirname}
newins "$1" ${newbasename}
) || die "failed $0 $@"
}
# @FUNCTION: ruby_fakegem_genspec
# @DESCRIPTION:
# Generates a gemspec for the package and places it into the "specifications"
# directory of RubyGems.
# In the gemspec, the following values are set: name, version, summary,
# homepage, and require_paths=["lib"].
# See RUBY_FAKEGEM_NAME and RUBY_FAKEGEM_VERSION for setting name and version.
# See RUBY_FAKEGEM_REQUIRE_PATHS for setting extra require paths.
ruby_fakegem_genspec() {
(
local required_paths="'lib'"
for path in ${RUBY_FAKEGEM_REQUIRE_PATHS}; do
required_paths="${required_paths}, '${path}'"
done
# We use the _ruby_implementation variable to avoid having stray
# copies with different implementations; while for now we're using
# the same exact content, we might have differences in the future,
# so better taking this into consideration.
local quoted_description=${DESCRIPTION//\"/\\\"}
cat - > "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} <<EOF
# generated by ruby-fakegem.eclass $Revision: 1.17 $
Gem::Specification.new do |s|
s.name = "${RUBY_FAKEGEM_NAME}"
s.version = "${RUBY_FAKEGEM_VERSION}"
s.summary = "${quoted_description}"
s.homepage = "${HOMEPAGE}"
s.require_paths = [${required_paths}]
end
EOF
insinto $(ruby_fakegem_gemsdir)/specifications
newins "${T}"/${RUBY_FAKEGEM_NAME}-${_ruby_implementation} ${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}.gemspec
) || die "Unable to install fake gemspec"
}
# @FUNCTION: ruby_fakegem_binwrapper
# @USAGE: command [path]
# @DESCRIPTION:
# Creates a new binary wrapper for a command installed by the RubyGem.
# path defaults to /usr/bin/$command
ruby_fakegem_binwrapper() {
(
local gembinary=$1
local newbinary=${2:-/usr/bin/$gembinary}
local relativegembinary=${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin/${gembinary}
local binpath=$(dirname $newbinary)
[[ ${binpath} = . ]] && binpath=/usr/bin
# Try to find out whether the package is going to install for
# one or multiple implementations; if we're installing for a
# *single* implementation, no need to use “/usr/bin/env ruby”
# in the shebang, and we can actually avoid errors when
# calling the script by default (see for instance the
# JRuby-specific commands).
local rubycmd=
for implementation in ${USE_RUBY}; do
# ignore non-enabled implementations
use ruby_targets_${implementation} || continue
if [ -z $rubycmd ]; then
# if no other implementation was set before, set it.
rubycmd="/usr/bin/${implementation}"
else
# if another implementation already arrived, then make
# it generic and break out of the loop. This ensures
# that we do at most two iterations.
rubycmd="/usr/bin/env ruby"
break
fi
done
cat - > "${T}"/gembin-wrapper-${gembinary} <<EOF
#!${rubycmd}
# This is a simplified version of the RubyGems wrapper
#
# Generated by ruby-fakegem.eclass $Revision: 1.17 $
require 'rubygems'
load Gem::default_path[-1] + "/gems/${relativegembinary}"
EOF
exeinto ${binpath:-/usr/bin}
newexe "${T}"/gembin-wrapper-${gembinary} $(basename $newbinary)
) || die "Unable to create fakegem wrapper"
}
# @FUNCTION: all_fakegem_compile
# @DESCRIPTION:
# Build documentation for the package if indicated by the doc USE flag
# and if there is a documetation task defined.
all_fakegem_compile() {
if [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]] && use doc; then
rake ${RUBY_FAKEGEM_TASK_DOC} || die "failed to (re)build documentation"
fi
}
# @FUNCTION: all_ruby_unpack
# @DESCRIPTION:
# Unpack the source archive, including support for unpacking gems.
all_ruby_unpack() {
# Special support for extracting .gem files; the file need to be
# extracted twice and the mtime from the archive _has_ to be
# ignored (it's always set to epoch 0).
#
# This only works if there is exactly one archive and that archive
# is a .gem file!
if [[ $(wc -w <<< ${A}) == 1 ]] &&
[[ ${A} == *.gem ]]; then
ebegin "Unpacking .gem file..."
tar -mxf ${DISTDIR}/${A} || die
eend $?
mkdir "${S}"
pushd "${S}" &>/dev/null
ebegin "Unpacking data.tar.gz"
tar -mxf "${my_WORKDIR}"/data.tar.gz || die
eend $?
popd &>/dev/null
else
[[ -n ${A} ]] && unpack ${A}
fi
}
# @FUNCTION: all_ruby_compile
# @DESCRIPTION:
# Compile the package.
all_ruby_compile() {
all_fakegem_compile
}
# @FUNCTION: each_fakegem_test
# @DESCRIPTION:
# Run tests for the package for each ruby target if the test task is defined.
each_fakegem_test() {
local rubyflags=
${RUBY} ${rubyflags} -S rake ${RUBY_FAKEGEM_TASK_TEST} || die "tests failed"
}
if [[ ${RUBY_FAKEGEM_TASK_TEST} != "" ]]; then
# @FUNCTION: each_ruby_test
# @DESCRIPTION:
# Run the tests for this package.
each_ruby_test() {
each_fakegem_test
}
fi
# @FUNCTION: each_fakegem_install
# @DESCRIPTION:
# Install the package for each ruby target.
each_fakegem_install() {
ruby_fakegem_genspec
local _gemlibdirs="${RUBY_FAKEGEM_EXTRAINSTALL}"
for directory in bin lib; do
[[ -d ${directory} ]] && _gemlibdirs="${_gemlibdirs} ${directory}"
done
[[ -n ${_gemlibdirs} ]] && \
ruby_fakegem_doins -r ${_gemlibdirs}
}
# @FUNCTION: each_ruby_install
# @DESCRIPTION:
# Install the package for each target.
each_ruby_install() {
each_fakegem_install
}
# @FUNCTION: all_fakegem_install
# @DESCRIPTION:
# Install files common to all ruby targets.
all_fakegem_install() {
if [[ -n ${RUBY_FAKEGEM_DOCDIR} ]] && [[ ${RUBY_FAKEGEM_TASK_DOC} != "" ]] && use doc; then
for dir in ${RUBY_FAKEGEM_DOCDIR}; do
pushd ${dir} &>/dev/null
dohtml -r * || die "failed to install documentation"
popd &>/dev/null
done
fi
if [[ -n ${RUBY_FAKEGEM_EXTRADOC} ]]; then
dodoc ${RUBY_FAKEGEM_EXTRADOC} || die "failed to install further documentation"
fi
# binary wrappers; we assume that all the implementations get the
# same binaries, or something is wrong anyway, so...
if [[ -n ${RUBY_FAKEGEM_BINWRAP} ]]; then
local bindir=$(find "${D}" -type d -path "*/gems/${RUBY_FAKEGEM_NAME}-${RUBY_FAKEGEM_VERSION}/bin" -print -quit)
if [[ -d "${bindir}" ]]; then
pushd "${bindir}" &>/dev/null
local binaries=$(eval ls ${RUBY_FAKEGEM_BINWRAP})
for binary in $binaries; do
ruby_fakegem_binwrapper $binary
done
popd &>/dev/null
fi
fi
}
# @FUNCTION: all_ruby_install
# @DESCRIPTION:
# Install files common to all ruby targets.
all_ruby_install() {
all_fakegem_install
}
|