Method readlink

src/models/FileSystem.js:287–299

* Reads the contents of a symlink if it exists, otherwise returns null. * Rethrows errors that aren't related to file existence. * * @param {string} filename - The path to the symlink. * @param {Object} [opts={ encoding: 'buffer' }] - Options for reading the symlink. * @returns {Promi

(filename, opts = { encoding: 'buffer' })

   * @returns {Promise<Buffer|null>} - The symlink target, or `null` if it doesn't exist.
   */
  async readlink(filename, opts = { encoding: 'buffer' }) {
    // Note: FileSystem.readlink returns a buffer by default
    // so we can dump it into GitObject.write just like any other file.
    try {
      const link = await this._readlink(filename, opts)
      return Buffer.isBuffer(link) ? link : Buffer.from(link)
    } catch (err) {
      if (err.code === 'ENOENT' || (err.code || '').includes('ENS')) {
        return null
      }
      throw err
    }
  }

  /**
   * Write the contents of buffer to a symlink.