class Yarn < Formula desc "JavaScript package manager" homepage "https://yarnpkg.com/" # Should only be updated if the new version is listed as a stable release on the homepage url "https://yarnpkg.com/downloads/1.16.0/yarn-v1.16.0.tar.gz" sha256 "df202627d9a70cf09ef2fb11cb298cb619db1b958590959d6f6e571b50656029" bottle :unneeded depends_on "node" conflicts_with "hadoop", :because => "both install `yarn` binaries" def install libexec.install Dir["*"] (bin/"yarn").write_env_script "#{libexec}/bin/yarn.js", :PREFIX => HOMEBREW_PREFIX, :NPM_CONFIG_PYTHON => "/usr/bin/python" (bin/"yarnpkg").write_env_script "#{libexec}/bin/yarn.js", :PREFIX => HOMEBREW_PREFIX, :NPM_CONFIG_PYTHON => "/usr/bin/python" inreplace "#{libexec}/package.json", '"installationMethod": "tar"', '"installationMethod": "homebrew"' end test do (testpath/"package.json").write('{"name": "test"}') system bin/"yarn", "add", "jquery" system bin/"yarn", "add", "fsevents", "--build-from-source=true" end end