Method installFromTarball

sources/commands/InstallGlobal.ts:76–122

(p: string)

  }

  async installFromTarball(p: string) {
    const installFolder = folderUtils.getInstallFolder();

    const archiveEntries = new Map<string, Set<string>>();
    const {list: tarT} = await import(`tar/list`);

    let hasShortEntries = false;

    await tarT({file: p, onentry: entry => {
      const segments = entry.path.split(/\//g);
      if (segments.length > 0 && segments[segments.length - 1] !== `.corepack`)
        return;

      if (segments.length < 3) {
        hasShortEntries = true;
      } else {
        let references = archiveEntries.get(segments[0]);
        if (typeof references === `undefined`)
          archiveEntries.set(segments[0], references = new Set());

        references.add(segments[1]);
      }
    }});

    if (hasShortEntries || archiveEntries.size < 1)
      throw new UsageError(`Invalid archive format; did it get generated by 'corepack pack'?`);

    const {extract: tarX} = await import(`tar/extract`);

    for (const [name, references] of archiveEntries) {
      for (const reference of references) {
        if (!isSupportedPackageManager(name))
          throw new UsageError(`Unsupported package manager '${name}'`);

        this.log({name, reference});

        // Recreate the folder in case it was deleted somewhere else:
        await fs.promises.mkdir(installFolder, {recursive: true});

        await tarX({file: p, cwd: installFolder}, [`${name}/${reference}`]);

        if (!this.cacheOnly) {
          await this.context.engine.activatePackageManager({name, reference});
        }
      }
    }
  }
}