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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/gems.eclass,v 1.25 2009/03/17 19:39:51 a3li Exp $
# @ECLASS: gems.eclass
# @MAINTAINER:
# ruby@gentoo.org
#
# Original Author: Rob Cakebread <pythonhead@gentoo.org>
#
# @BLURB: Eclass helping with the installation of RubyGems
# @DESCRIPTION:
# See http://dev.gentoo.org/~pythonhead/ruby/gems.html for notes on using gems with Portage.
# @ECLASS-VARIABLE: USE_RUBY
# @DESCRIPTION:
# Ruby versions the gem is compatible to. The eclass will install the gem for
# versions that are compatible and installed on the system. Format: rubyDD where
# DD is the two-digit version suffix (e.g.: USE_RUBY="ruby19" for Ruby 1.9.1)
inherit eutils ruby
SRC_URI="mirror://rubyforge/gems/${P}.gem"
IUSE="doc"
DEPEND="
|| ( >=dev-ruby/rubygems-0.9.4 =dev-lang/ruby-1.9* )
!dev-ruby/rdoc
"
RDEPEND="${DEPEND}"
# @FUNCTION: gems_location
# @USAGE: [Ruby binary]
# @DESCRIPTION:
# Exports GEMSDIR to the path Gems are installed to for the respective Ruby
# version
gems_location() {
local ruby_version
if [[ -z "$1" ]]; then
ruby_version="gem"
else
ruby_version=${1/ruby/gem}
fi
export GEMSDIR=$(/usr/bin/${ruby_version} env gemdir)
}
# @FUNCTION: gems_src_unpack
# @DESCRIPTION:
# does nothing
gems_src_unpack() {
true
}
# @FUNCTION: gems_src_compile
# @DESCRIPTION:
# does nothing
gems_src_compile() {
true
}
# @FUNCTION: gems_src_install
# @DESCRIPTION:
# Installs the gem
gems_src_install() {
local myconf
if use doc; then
myconf="--rdoc --ri"
else
myconf="--no-rdoc --no-ri"
fi
# I'm not sure how many ebuilds have correctly set USE_RUBY - let's assume
# ruby18 if they haven't, since even pure Ruby gems that have been written
# against 1.8 can explode under 1.9.
if [[ -z "${USE_RUBY}" ]]; then
einfo "QA notice"
einfo "The ebuild doesn't set USE_RUBY explicitly. Defaulting to ruby18."
einfo "Please check compatibility and set USE_RUBY respectively."
USE_RUBY="ruby18"
elif [[ "${USE_RUBY}" == "any" ]]; then
ewarn
ewarn "DEPRECATION NOTICE"
ewarn "USE_RUBY=\"any\" is deprecated. Please use explicit versions instead."
ewarn "Support will be removed in April 2009."
ewarn "For questions, please contact ruby@gentoo.org."
ewarn
# Get the installed versions.
USE_RUBY=`ls /usr/bin/ruby* | grep -E 'ruby1(8|9)' | sed -e 's@/usr/bin/@@g'`
fi
local num_ruby_slots=$(echo "${USE_RUBY}" | wc -w)
for ruby_version in ${USE_RUBY} ; do
# Check that we have the version installed
[[ -e "/usr/bin/${ruby_version/ruby/gem}" ]] || continue
einfo "Installing for ${ruby_version}..."
gems_location ${ruby_version}
dodir ${GEMSDIR} || die
if [[ -z "${MY_P}" ]]; then
[[ -z "${GEM_SRC}" ]] && GEM_SRC="${DISTDIR}/${P}"
spec_path="${D}/${GEMSDIR}/specifications/${P}.gemspec"
else
[[ -z "${GEM_SRC}" ]] && GEM_SRC="${DISTDIR}/${MY_P}"
spec_path="${D}/${GEMSDIR}/specifications/${MY_P}.gemspec"
fi
# >=1.3.0 needs a path fix
local gte13=$(/usr/bin/${ruby_version} -rubygems -e 'puts Gem::RubyGemsVersion >= "1.3.0"')
if [[ "${gte13}" == "true" ]] ; then
/usr/bin/${ruby_version} /usr/bin/gem install ${GEM_SRC} \
--version ${PV} ${myconf} --local --install-dir "${D}/${GEMSDIR}" \
--sandbox-fix --no-user-install || die "gem (>=1.3.0) install failed"
else
/usr/bin/${ruby_version} /usr/bin/gem install ${GEM_SRC} \
--version ${PV} ${myconf} --local --install-dir "${D}/${GEMSDIR}" \
|| die "gem (<1.3.0) install failed"
fi
if [[ -d "${D}/${GEMSDIR}/bin" ]] ; then
exeinto /usr/bin
for exe in "${D}"/${GEMSDIR}/bin/* ; do
if [ "$num_ruby_slots" -ge 2 ] ; then
# Ensures that the exe file gets run using the currently
# selected version of ruby.
sed -i -e 's@^#!/usr/bin/ruby.*$@#!/usr/bin/ruby@' "${exe}"
fi
doexe "${exe}" || die
done
fi
done
}
EXPORT_FUNCTIONS src_unpack src_compile src_install
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