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02de06ef1a
* eval.c (rb_f_autoload): check if ruby_cbase is nil (during instance_eval for objects cannot have singleton classes, e.g. fixnums and symbols). [ruby-dev:28178] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9912 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
28 lines
652 B
Ruby
28 lines
652 B
Ruby
module EnvUtil
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def rubybin
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if ruby = ENV["RUBY"]
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return ruby
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end
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ruby = "ruby"
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rubyexe = ruby+".exe"
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3.times do
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if File.exist? ruby and File.executable? ruby and !File.directory? ruby
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return File.expand_path(ruby)
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end
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if File.exist? rubyexe and File.executable? rubyexe
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return File.expand_path(ruby)
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end
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ruby = File.join("..", ruby)
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end
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begin
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require "rbconfig"
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File.join(
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Config::CONFIG["bindir"],
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Config::CONFIG["ruby_install_name"] + Config::CONFIG["EXEEXT"]
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)
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rescue LoadError
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"ruby"
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end
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end
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module_function :rubybin
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end
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