зеркало из https://github.com/github/ruby.git
80 строки
1.9 KiB
Ruby
Executable File
80 строки
1.9 KiB
Ruby
Executable File
#!./miniruby
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pure = true
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while arg = ARGV[0]
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break ARGV.shift if arg == '--'
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/\A--([-\w]+)(?:=(.*))?\z/ =~ arg or break
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arg, value = $1, $2
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re = Regexp.new('\A'+arg.gsub(/\w+\b/, '\&\\w*')+'\z', "i")
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case
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when re =~ "srcdir"
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srcdir = value
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when re =~ "archdir"
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archdir = value
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when re =~ "extout"
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extout = value
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when re =~ "pure"
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pure = (value != "no")
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when re =~ "debugger"
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debugger = value ? (value.split unless value == "no") : %w"gdb --args"
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else
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break
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end
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ARGV.shift
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end
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srcdir ||= File.dirname(__FILE__)
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archdir ||= '.'
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abs_archdir = File.expand_path(archdir)
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$:.unshift(abs_archdir)
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require 'rbconfig'
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config = RbConfig::CONFIG
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ruby = File.join(archdir, config["RUBY_INSTALL_NAME"]+config['EXEEXT'])
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unless File.exist?(ruby)
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abort "#{ruby} is not found.\nTry `make' first, then `make test', please.\n"
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end
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libs = [abs_archdir]
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if extout
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abs_extout = File.expand_path(extout)
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libs << File.expand_path("common", abs_extout) << File.expand_path(RUBY_PLATFORM, abs_extout)
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end
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libs << File.expand_path("lib", srcdir)
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config["bindir"] = abs_archdir
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env = {}
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env["RUBY"] = File.expand_path(ruby)
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env["PATH"] = [abs_archdir, ENV["PATH"]].compact.join(File::PATH_SEPARATOR)
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if pure
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libs << File.expand_path("ext", srcdir) << "-"
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elsif e = ENV["RUBYLIB"]
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libs |= e.split(File::PATH_SEPARATOR)
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end
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env["RUBYLIB"] = $:.replace(libs).join(File::PATH_SEPARATOR)
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libruby_so = File.join(abs_archdir, config['LIBRUBY_SO'])
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if File.file?(libruby_so)
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if e = config['LIBPATHENV'] and !e.empty?
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env[e] = [abs_archdir, ENV[e]].compact.join(File::PATH_SEPARATOR)
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end
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if /linux/ =~ RUBY_PLATFORM
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env["LD_PRELOAD"] = [libruby_so, ENV["LD_PRELOAD"]].compact.join(' ')
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end
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end
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ENV.update env
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cmd = [ruby]
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cmd << "-rpurelib.rb" if pure
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cmd.concat(ARGV)
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cmd.unshift(*debugger) if debugger
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#require 'shellwords'; puts Shellwords.join(env.map {|k,v| "#{k}=#{v}" } + cmd)
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exec(*cmd)
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