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executable file 100 lines (84 sloc) 2.517 kB
#!./miniruby
show = false
precommand = []
while arg = ARGV[0]
break ARGV.shift if arg == '--'
/\A--([-\w]+)(?:=(.*))?\z/ =~ arg or break
arg, value = $1, $2
re = Regexp.new('\A'+arg.gsub(/\w+\b/, '\&\\w*')+'\z', "i")
case
when re =~ "srcdir"
srcdir = value
when re =~ "archdir"
archdir = value
when re =~ "cpu"
precommand << "arch" << "-arch" << value
when re =~ "extout"
extout = value
when re =~ "pure"
# obsolete switch do nothing
when re =~ "debugger"
require 'shellwords'
precommand.concat(value ? (Shellwords.shellwords(value) unless value == "no") : %w"gdb --args")
when re =~ "precommand"
require 'shellwords'
precommand.concat(Shellwords.shellwords(value))
when re =~ "show"
show = true
else
break
end
ARGV.shift
end
unless defined?(File.realpath)
def File.realpath(*args)
Dir.chdir(expand_path(*args)) do
Dir.pwd
end
end
end
srcdir ||= File.realpath('..', File.dirname(__FILE__))
archdir ||= '.'
abs_archdir = File.expand_path(archdir)
$:.unshift(abs_archdir)
config = File.read(conffile = File.join(abs_archdir, 'rbconfig.rb'))
config.sub!(/^(\s*)RUBY_VERSION\s*==.*(\sor\s*)$/, '\1true\2')
config = Module.new {module_eval(config, conffile)}::RbConfig::CONFIG
ruby = File.join(archdir, config["RUBY_INSTALL_NAME"]+config['EXEEXT'])
unless File.exist?(ruby)
abort "#{ruby} is not found.\nTry `make' first, then `make test', please.\n"
end
libs = [abs_archdir]
extout ||= config["EXTOUT"]
if extout
abs_extout = File.expand_path(extout, abs_archdir)
libs << File.expand_path("common", abs_extout) << File.expand_path(config['arch'], abs_extout)
end
libs << File.expand_path("lib", srcdir)
config["bindir"] = abs_archdir
env = {}
env["RUBY"] = File.expand_path(ruby)
env["PATH"] = [abs_archdir, ENV["PATH"]].compact.join(File::PATH_SEPARATOR)
if e = ENV["RUBYLIB"]
libs |= e.split(File::PATH_SEPARATOR)
end
env["RUBYLIB"] = $:.replace(libs).join(File::PATH_SEPARATOR)
libruby_so = File.join(abs_archdir, config['LIBRUBY_SO'])
if File.file?(libruby_so)
if e = config['LIBPATHENV'] and !e.empty?
env[e] = [abs_archdir, ENV[e]].compact.join(File::PATH_SEPARATOR)
end
if /linux/ =~ RUBY_PLATFORM
env["LD_PRELOAD"] = [libruby_so, ENV["LD_PRELOAD"]].compact.join(' ')
end
end
ENV.update env
cmd = [ruby]
cmd.concat(ARGV)
cmd.unshift(*precommand) unless precommand.empty?
if show
require 'shellwords'
env.each {|k,v| puts "#{k}=#{v}"}
puts Shellwords.join(cmd)
end
exec(*cmd)
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