118 lines
3.1 KiB
Ruby
118 lines
3.1 KiB
Ruby
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module Bundler
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class RubyVersion
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attr_reader :version, :patchlevel, :engine, :engine_version
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def initialize(version, patchlevel, engine, engine_version)
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# The parameters to this method must satisfy the
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# following constraints, which are verified in
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# the DSL:
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#
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# * If an engine is specified, an engine version
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# must also be specified
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# * If an engine version is specified, an engine
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# must also be specified
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# * If the engine is "ruby", the engine version
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# must not be specified, or the engine version
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# specified must match the version.
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@version = version
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@engine = engine || "ruby"
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# keep track of the engine specified by the user
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@input_engine = engine
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@engine_version = engine_version || version
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@patchlevel = patchlevel
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end
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def to_s
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output = "ruby #{version}"
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output << "p#{patchlevel}" if patchlevel
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output << " (#{engine} #{engine_version})" unless engine == "ruby"
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output
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end
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def ==(other)
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version == other.version &&
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engine == other.engine &&
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engine_version == other.engine_version &&
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patchlevel == other.patchlevel
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end
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# Returns a tuple of thsee things:
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# [diff, this, other]
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# The priority of attributes are
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# 1. engine
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# 2. ruby_version
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# 3. engine_version
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def diff(other)
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if engine != other.engine && @input_engine
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[ :engine, engine, other.engine ]
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elsif version != other.version
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[ :version, version, other.version ]
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elsif engine_version != other.engine_version && @input_engine
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[ :engine_version, engine_version, other.engine_version ]
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elsif patchlevel != other.patchlevel && @patchlevel
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[ :patchlevel, patchlevel, other.patchlevel ]
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else
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nil
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end
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end
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def host
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@host ||= [
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RbConfig::CONFIG["host_cpu"],
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RbConfig::CONFIG["host_vendor"],
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RbConfig::CONFIG["host_os"]
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].join("-")
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end
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end
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# A subclass of RubyVersion that implements version,
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# engine and engine_version based upon the current
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# information in the system. It can be used anywhere
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# a RubyVersion object is expected, and can be
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# compared with a RubyVersion object.
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class SystemRubyVersion < RubyVersion
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def initialize(*)
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# override the default initialize, because
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# we will implement version, engine and
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# engine_version dynamically
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end
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def version
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RUBY_VERSION.dup
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end
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def gem_version
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@gem_version ||= Gem::Version.new(version)
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end
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def engine
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if defined?(RUBY_ENGINE)
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RUBY_ENGINE.dup
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else
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# not defined in ruby 1.8.7
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"ruby"
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end
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end
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def engine_version
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case engine
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when "ruby"
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RUBY_VERSION.dup
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when "rbx"
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Rubinius::VERSION.dup
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when "jruby"
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JRUBY_VERSION.dup
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else
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raise BundlerError, "RUBY_ENGINE value #{RUBY_ENGINE} is not recognized"
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nil
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end
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end
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def patchlevel
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RUBY_PATCHLEVEL.to_s
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end
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end
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end
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