Method execute

sources/commands/Enable.ts:41–79

()

  names = Option.Rest();

  async execute() {
    let installDirectory = this.installDirectory;

    // Node always call realpath on the module it executes, so we already
    // lost track of how the binary got called. To find it back, we need to
    // iterate over the PATH variable.
    if (typeof installDirectory === `undefined`)
      installDirectory = path.dirname(await which(`corepack`));

    // Otherwise the relative symlink we'll compute will be incorrect, if the
    // install directory is within a symlink
    installDirectory = fs.realpathSync(installDirectory);

    const manifestPath = require.resolve(`corepack/package.json`);

    const distFolder = path.join(path.dirname(manifestPath), `dist`);
    if (!fs.existsSync(distFolder))
      throw new Error(`Assertion failed: The stub folder doesn't exist`);

    const names = this.names.length === 0
      ? SupportedPackageManagerSetWithoutNpm
      : this.names;

    const allBinNames: Array<string> = [];

    for (const name of new Set(names)) {
      if (!isSupportedPackageManager(name))
        throw new UsageError(`Invalid package manager name '${name}'`);

      const binNames = this.context.engine.getBinariesFor(name);
      allBinNames.push(...binNames);
    }

    const generateLink = process.platform === `win32` ?
      (binName: string) => this.generateWin32Link(installDirectory, distFolder, binName) :
      (binName: string) => this.generatePosixLink(installDirectory, distFolder, binName);

    await Promise.all(allBinNames.map(generateLink));
  }

  async generatePosixLink(installDirectory: string, distFolder: string, binName: string) {
    const file = path.join(installDirectory, binName);