Add mirror method

Author: andrewosh

lib/clients/drive.js

@@ -171,6 +171,23 @@ class RemoteHyperdrive {
     }))
   }
 
+  mirror (cb) {
+    const req = new messages.MirrorRequest()
+
+    req.setId(this.id)
+
+    const unmirror = (cb) => {
+      return this.unmirror(cb)
+    }
+
+    return maybe(cb, new Promise((resolve, reject) => {
+      this._client.mirror(req, toMetadata({ token: this.token }), (err, rsp) => {
+        if (err) return reject(err)
+        return resolve(unmirror)
+      })
+    }))
+  }
+
   download (path, opts, cb) {
     if (typeof opts === 'function') return this.download(path, null, opts)
     const req = new messages.DownloadRequest()