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|
# frozen_string_literal: true
module Bundler
class RubyVersion
attr_reader :versions,
:patchlevel,
:engine,
:engine_versions,
:gem_version,
:engine_gem_version
def initialize(versions, patchlevel, engine, engine_version)
# The parameters to this method must satisfy the
# following constraints, which are verified in
# the DSL:
#
# * If an engine is specified, an engine version
# must also be specified
# * If an engine version is specified, an engine
# must also be specified
# * If the engine is "ruby", the engine version
# must not be specified, or the engine version
# specified must match the version.
@versions = Array(versions)
@gem_version = Gem::Requirement.create(@versions.first).requirements.first.last
@input_engine = engine
@engine = engine || "ruby"
@engine_versions = (engine_version && Array(engine_version)) || @versions
@engine_gem_version = Gem::Requirement.create(@engine_versions.first).requirements.first.last
@patchlevel = patchlevel
end
def to_s(versions = self.versions)
output = String.new("ruby #{versions_string(versions)}")
output << "p#{patchlevel}" if patchlevel
output << " (#{engine} #{versions_string(engine_versions)})" unless engine == "ruby"
output
end
def single_version_string
to_s(gem_version)
end
def ==(other)
versions == other.versions &&
engine == other.engine &&
engine_versions == other.engine_versions &&
patchlevel == other.patchlevel
end
def host
@host ||= [
RbConfig::CONFIG["host_cpu"],
RbConfig::CONFIG["host_vendor"],
RbConfig::CONFIG["host_os"]
].join("-")
end
# Returns a tuple of these things:
# [diff, this, other]
# The priority of attributes are
# 1. engine
# 2. ruby_version
# 3. engine_version
def diff(other)
raise ArgumentError, "Can only diff with a RubyVersion, not a #{other.class}" unless other.is_a?(RubyVersion)
if engine != other.engine && @input_engine
[:engine, engine, other.engine]
elsif versions.empty? || !matches?(versions, other.gem_version)
[:version, versions_string(versions), versions_string(other.versions)]
elsif @input_engine && !matches?(engine_versions, other.engine_gem_version)
[:engine_version, versions_string(engine_versions), versions_string(other.engine_versions)]
elsif patchlevel && (!patchlevel.is_a?(String) || !other.patchlevel.is_a?(String) || !matches?(patchlevel, other.patchlevel))
[:patchlevel, patchlevel, other.patchlevel]
end
end
def versions_string(versions)
Array(versions).join(", ")
end
def self.system
ruby_engine = if defined?(RUBY_ENGINE) && !RUBY_ENGINE.nil?
RUBY_ENGINE.dup
else
# not defined in ruby 1.8.7
"ruby"
end
ruby_engine_version = case ruby_engine
when "ruby"
RUBY_VERSION.dup
when "rbx"
Rubinius::VERSION.dup
when "jruby"
JRUBY_VERSION.dup
else
raise BundlerError, "RUBY_ENGINE value #{RUBY_ENGINE} is not recognized"
end
@ruby_version ||= RubyVersion.new(RUBY_VERSION.dup, RUBY_PATCHLEVEL.to_s, ruby_engine, ruby_engine_version)
end
private
def matches?(requirements, version)
# Handles RUBY_PATCHLEVEL of -1 for instances like ruby-head
return requirements == version if requirements.to_s == "-1" || version.to_s == "-1"
Array(requirements).all? do |requirement|
Gem::Requirement.create(requirement).satisfied_by?(Gem::Version.create(version))
end
end
end
end
|
