Function setAndInstallLocalPackageManager

sources/commands/Base.ts:30–46

(info: PreparedPackageManagerInfo)

  }

  async setAndInstallLocalPackageManager(info: PreparedPackageManagerInfo) {
    const {
      previousPackageManager,
    } = await specUtils.setLocalPackageManager(this.context.cwd, info);

    const command = this.context.engine.getPackageManagerSpecFor(info.locator).commands?.use ?? null;
    if (command === null)
      return 0;

    // Adding it into the environment avoids breaking package managers that
    // don't expect those options.
    process.env.COREPACK_MIGRATE_FROM = previousPackageManager;
    this.context.stdout.write(`\n`);

    const [binaryName, ...args] = command;
    return await corepackUtils.runVersion(info.locator, info, binaryName, args);
  }
}