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231 lines
7 KiB
Ruby
231 lines
7 KiB
Ruby
# frozen_string_literal: true
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require_relative "deprecate"
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##
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# Available list of platforms for targeting Gem installations.
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#
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# See `gem help platform` for information on platform matching.
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class Gem::Platform
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@local = nil
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attr_accessor :cpu, :os, :version
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def self.local
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arch = RbConfig::CONFIG["arch"]
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arch = "#{arch}_60" if arch =~ /mswin(?:32|64)$/
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@local ||= new(arch)
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end
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def self.match(platform)
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match_platforms?(platform, Gem.platforms)
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end
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def self.match_platforms?(platform, platforms)
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platforms.any? do |local_platform|
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platform.nil? ||
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local_platform == platform ||
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(local_platform != Gem::Platform::RUBY && platform =~ local_platform)
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end
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end
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private_class_method :match_platforms?
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def self.match_spec?(spec)
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match_gem?(spec.platform, spec.name)
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end
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def self.match_gem?(platform, gem_name)
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# Note: this method might be redefined by Ruby implementations to
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# customize behavior per RUBY_ENGINE, gem_name or other criteria.
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match_platforms?(platform, Gem.platforms)
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end
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def self.sort_priority(platform)
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platform == Gem::Platform::RUBY ? -1 : 1
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end
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def self.installable?(spec)
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if spec.respond_to? :installable_platform?
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spec.installable_platform?
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else
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match_spec? spec
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end
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end
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def self.new(arch) # :nodoc:
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case arch
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when Gem::Platform::CURRENT then
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Gem::Platform.local
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when Gem::Platform::RUBY, nil, "" then
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Gem::Platform::RUBY
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else
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super
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end
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end
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def initialize(arch)
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case arch
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when Array then
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@cpu, @os, @version = arch
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when String then
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arch = arch.split "-"
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if arch.length > 2 && arch.last !~ /\d+(\.\d+)?$/ # reassemble x86-linux-{libc}
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extra = arch.pop
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arch.last << "-#{extra}"
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end
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cpu = arch.shift
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@cpu = case cpu
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when /i\d86/ then "x86"
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else cpu
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end
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if arch.length == 2 && arch.last =~ /^\d+(\.\d+)?$/ # for command-line
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@os, @version = arch
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return
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end
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os, = arch
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@cpu, os = nil, cpu if os.nil? # legacy jruby
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@os, @version = case os
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when /aix(\d+)?/ then [ "aix", $1 ]
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when /cygwin/ then [ "cygwin", nil ]
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when /darwin(\d+)?/ then [ "darwin", $1 ]
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when /^macruby$/ then [ "macruby", nil ]
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when /freebsd(\d+)?/ then [ "freebsd", $1 ]
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when /hpux(\d+)?/ then [ "hpux", $1 ]
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when /^java$/, /^jruby$/ then [ "java", nil ]
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when /^java([\d.]*)/ then [ "java", $1 ]
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when /^dalvik(\d+)?$/ then [ "dalvik", $1 ]
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when /^dotnet$/ then [ "dotnet", nil ]
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when /^dotnet([\d.]*)/ then [ "dotnet", $1 ]
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when /linux-?(\w+)?/ then [ "linux", $1 ]
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when /mingw32/ then [ "mingw32", nil ]
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when /mingw-?(\w+)?/ then [ "mingw", $1 ]
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when /(mswin\d+)(\_(\d+))?/ then
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os, version = $1, $3
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@cpu = "x86" if @cpu.nil? && os =~ /32$/
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[os, version]
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when /netbsdelf/ then [ "netbsdelf", nil ]
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when /openbsd(\d+\.\d+)?/ then [ "openbsd", $1 ]
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when /bitrig(\d+\.\d+)?/ then [ "bitrig", $1 ]
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when /solaris(\d+\.\d+)?/ then [ "solaris", $1 ]
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# test
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when /^(\w+_platform)(\d+)?/ then [ $1, $2 ]
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else [ "unknown", nil ]
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end
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when Gem::Platform then
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@cpu = arch.cpu
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@os = arch.os
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@version = arch.version
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else
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raise ArgumentError, "invalid argument #{arch.inspect}"
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end
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end
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def to_a
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[@cpu, @os, @version]
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end
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def to_s
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to_a.compact.join "-"
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end
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##
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# Is +other+ equal to this platform? Two platforms are equal if they have
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# the same CPU, OS and version.
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def ==(other)
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self.class === other && to_a == other.to_a
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end
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alias :eql? :==
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def hash # :nodoc:
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to_a.hash
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end
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##
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# Does +other+ match this platform? Two platforms match if they have the
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# same CPU, or either has a CPU of 'universal', they have the same OS, and
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# they have the same version, or either one has no version
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#
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# Additionally, the platform will match if the local CPU is 'arm' and the
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# other CPU starts with "arm" (for generic ARM family support).
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#
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# Of note, this method is not commutative. Indeed the OS 'linux' has a
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# special case: the version is the libc name, yet while "no version" stands
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# as a wildcard for a binary gem platform (as for other OSes), for the
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# runtime platform "no version" stands for 'gnu'. To be able to disinguish
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# these, the method receiver is the gem platform, while the argument is
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# the runtime platform.
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def ===(other)
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return nil unless Gem::Platform === other
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# universal-mingw32 matches x64-mingw-ucrt
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return true if (@cpu == "universal" || other.cpu == "universal") &&
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@os.start_with?("mingw") && other.os.start_with?("mingw")
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# cpu
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([nil,"universal"].include?(@cpu) || [nil, "universal"].include?(other.cpu) || @cpu == other.cpu ||
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(@cpu == "arm" && other.cpu.start_with?("arm"))) &&
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# os
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@os == other.os &&
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# version
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(
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(@os != "linux" && (@version.nil? || other.version.nil?)) ||
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(@os == "linux" && (other.version == "gnu#{@version}" || other.version == "musl#{@version}" || @version == "gnu#{other.version}")) ||
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@version == other.version
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)
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end
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##
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# Does +other+ match this platform? If +other+ is a String it will be
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# converted to a Gem::Platform first. See #=== for matching rules.
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def =~(other)
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case other
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when Gem::Platform then # nop
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when String then
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# This data is from http://gems.rubyforge.org/gems/yaml on 19 Aug 2007
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other = case other
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when /^i686-darwin(\d)/ then ["x86", "darwin", $1 ]
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when /^i\d86-linux/ then ["x86", "linux", nil ]
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when "java", "jruby" then [nil, "java", nil ]
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when /^dalvik(\d+)?$/ then [nil, "dalvik", $1 ]
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when /dotnet(\-(\d+\.\d+))?/ then ["universal","dotnet", $2 ]
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when /mswin32(\_(\d+))?/ then ["x86", "mswin32", $2 ]
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when /mswin64(\_(\d+))?/ then ["x64", "mswin64", $2 ]
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when "powerpc-darwin" then ["powerpc", "darwin", nil ]
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when /powerpc-darwin(\d)/ then ["powerpc", "darwin", $1 ]
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when /sparc-solaris2.8/ then ["sparc", "solaris", "2.8" ]
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when /universal-darwin(\d)/ then ["universal", "darwin", $1 ]
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else other
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end
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other = Gem::Platform.new other
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else
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return nil
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end
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self === other
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end
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##
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# A pure-Ruby gem that may use Gem::Specification#extensions to build
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# binary files.
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RUBY = "ruby".freeze
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##
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# A platform-specific gem that is built for the packaging Ruby's platform.
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# This will be replaced with Gem::Platform::local.
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CURRENT = "current".freeze
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end
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