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if ENV["RUBYOPT"] || defined? Gem
ENV.delete "RUBYOPT"
require "rbconfig"
cmd = [RbConfig.ruby, "--disable-gems", "build.rb", *ARGV]
exec(*cmd)
end
require "tmpdir"
lp = File.expand_path("../../../../lib", __dir__)
gem = ["ruby", "-I#{lp}", File.expand_path("../../../../bin/gem", __dir__)]
gemspec = File.expand_path("rust_ruby_example.gemspec", __dir__)
Dir.mktmpdir("rust_ruby_example") do |dir|
built_gem = File.expand_path(File.join(dir, "rust_ruby_example.gem"))
system(*gem, "build", gemspec, "--output", built_gem)
system(*gem, "install", "--verbose", "--local", built_gem, *ARGV)
system %q(ruby -rrust_ruby_example -e "puts 'Result: ' + RustRubyExample.reverse('hello world')")
end
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