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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: ruby-utils.eclass
# @MAINTAINER:
# Ruby team <ruby@gentoo.org>
# @AUTHOR:
# Author: Hans de Graaff <graaff@gentoo.org>
# @BLURB: An eclass for supporting ruby scripts and bindings in non-ruby packages
# @DESCRIPTION:
# The ruby-utils eclass is designed to allow an easier installation of
# Ruby scripts and bindings for non-ruby packages.
#
# This eclass does not set any metadata variables nor export any phase
# functions. It can be inherited safely.
if [[ ! ${_RUBY_UTILS} ]]; then
# @ECLASS-VARIABLE: RUBY_TARGETS_PREFERENCE
# @INTERNAL
# @DESCRIPTION:
# This variable lists all the known ruby targets in preference of use as
# determined by the ruby team. By using this ordering rather than the
# USE_RUBY mandated ordering we have more control over which ruby
# implementation will be installed first (and thus eselected). This will
# provide for a better first installation experience.
# All stable RUBY_TARGETS
RUBY_TARGETS_PREFERENCE="ruby25 "
# All other active ruby targets
RUBY_TARGETS_PREFERENCE+="ruby26 ruby27"
_ruby_implementation_depend() {
local rubypn=
local rubyslot=
case $1 in
ruby18)
rubypn="dev-lang/ruby"
rubyslot=":1.8"
;;
ruby19)
rubypn="dev-lang/ruby"
rubyslot=":1.9"
;;
ruby20)
rubypn="dev-lang/ruby"
rubyslot=":2.0"
;;
ruby21)
rubypn="dev-lang/ruby"
rubyslot=":2.1"
;;
ruby22)
rubypn="dev-lang/ruby"
rubyslot=":2.2"
;;
ruby23)
rubypn="dev-lang/ruby"
rubyslot=":2.3"
;;
ruby24)
rubypn="dev-lang/ruby"
rubyslot=":2.4"
;;
ruby25)
rubypn="dev-lang/ruby"
rubyslot=":2.5"
;;
ruby26)
rubypn="dev-lang/ruby"
rubyslot=":2.6"
;;
ruby27)
rubypn="dev-lang/ruby"
rubyslot=":2.7"
;;
ree18)
rubypn="dev-lang/ruby-enterprise"
rubyslot=":1.8"
;;
jruby)
rubypn="dev-java/jruby"
rubyslot=""
;;
rbx)
rubypn="dev-lang/rubinius"
rubyslot=""
;;
*) die "$1: unknown Ruby implementation"
esac
echo "$2${rubypn}$3${rubyslot}"
}
_RUBY_UTILS=1
fi
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