async function readTag({
  fs,
  dir,
  gitdir = join(dir, '.git'),
  oid,
  cache = {},
}) {
  try {
    assertParameter('fs', fs)
    assertParameter('gitdir', gitdir)
    assertParameter('oid', oid)

    return await _readTag({
      fs: new FileSystem(fs),
      cache,
      gitdir,
      oid,
    })
  } catch (err) {
    err.caller = 'git.readTag'
    throw err
  }
}
Read an annotated tag object directly

@param {object} args
@param {FsClient} args.fs - a file system client
@param {string} [args.dir] - The [working tree](dir-vs-gitdir.md) directory path
@param {string} [args.gitdir=join(dir,'.git')] - [required] The [git directory](dir-vs-gitdir.md) path
@param {string} args.oid - The SHA-1 object id to get
@param {object} [args.cache] - a [cache](cache.md) object

@returns {Promise<ReadTagResult>} Resolves successfully with a git object description
@see ReadTagResult
@see TagObject