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author | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
commit | 4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch) | |
tree | ba5f07bf3f9d22d82e54a462313f5d244036c768 /eclass/ruby-single.eclass |
reinit the tree, so we can have metadata
Diffstat (limited to 'eclass/ruby-single.eclass')
-rw-r--r-- | eclass/ruby-single.eclass | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/eclass/ruby-single.eclass b/eclass/ruby-single.eclass new file mode 100644 index 000000000000..17e174524444 --- /dev/null +++ b/eclass/ruby-single.eclass @@ -0,0 +1,89 @@ +# Copyright 1999-2016 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +# @ECLASS: ruby-single.eclass +# @MAINTAINER: +# Ruby team <ruby@gentoo.org> +# @AUTHOR: +# Author: Hans de Graaff <graaff@gentoo.org> +# Based on python-single-r1 by: Michał Górny <mgorny@gentoo.org> +# @BLURB: An eclass for Ruby packages not installed for multiple implementations. +# @DESCRIPTION: +# An eclass for packages which don't support being installed for +# multiple Ruby implementations. This mostly includes ruby-based +# scripts. Set USE_RUBY to include all the ruby targets that have been +# verified to work and include the eclass. RUBY_DEPS is now available to +# pull in the dependency on the requested ruby targets. +# +# @CODE +# USE_RUBY="ruby20 ruby21" +# inherit ruby-single +# RDEPEND="${RUBY_DEPS}" +# @CODE + +case "${EAPI:-0}" in + 0|1|2|3) + die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" + ;; + 4|5|6) + ;; + *) + die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" + ;; +esac + +if [[ ! ${_RUBY_SINGLE} ]]; then + +inherit ruby-utils + +# @ECLASS-VARIABLE: USE_RUBY +# @DEFAULT_UNSET +# @REQUIRED +# @DESCRIPTION: +# This variable contains a space separated list of targets (see above) a package +# is compatible to. It must be set before the `inherit' call. There is no +# default. All ebuilds are expected to set this variable. + + +# @ECLASS-VARIABLE: RUBY_DEPS +# @DESCRIPTION: +# +# This is an eclass-generated Ruby dependency string for all +# implementations listed in USE_RUBY. Any one of the supported ruby +# targets will satisfy this dependency. A dependency on +# virtual/rubygems is also added to ensure that this is installed +# in time for the package to use it. +# +# Example use: +# @CODE +# RDEPEND="${RUBY_DEPS} +# dev-foo/mydep" +# BDEPEND="${RDEPEND}" +# @CODE +# +# Example value: +# @CODE +# || ( dev-lang/ruby:2.0 dev-lang/ruby:1.9 ) virtual/rubygems +# @CODE +# +# The order of dependencies will change over time to best match the +# current state of ruby targets, e.g. stable version first. + +_ruby_single_implementations_depend() { + local depend + for _ruby_implementation in ${RUBY_TARGETS_PREFERENCE}; do + if [[ ${USE_RUBY} =~ ${_ruby_implementation} ]]; then + depend="${depend} $(_ruby_implementation_depend $_ruby_implementation)" + fi + done + echo "|| ( ${depend} ) virtual/rubygems" +} + +_ruby_single_set_globals() { + RUBY_DEPS=$(_ruby_single_implementations_depend) +} +_ruby_single_set_globals + + +_RUBY_SINGLE=1 +fi |