Temporary fix to mkdir for import command + import should not keep existing

Author: andrewosh

bin/commands/import.js

@@ -59,7 +59,8 @@ class ImportCommand extends DaemonCommand {
     const localMirror = mirrorFolder(args.dir, { fs: drive, name: '/' }, {
       watch: true,
       dereference: true,
-      keepExisting: true,
+      // When going from fs -> drive, it should overwrite.
+      keepExisting: false,
       ignore: (file, stat, cb) => {
         if (shouldIgnore(file)) return process.nextTick(cb, null, true)
         return process.nextTick(cb, null, false)

lib/clients/drive.js

@@ -444,7 +444,14 @@ class RemoteHyperdrive {
 
     return maybe(cb, new Promise((resolve, reject) => {
       this._client.mkdir(req, toMetadata({ token: this.token }), (err, rsp) => {
-        if (err) return reject(err)
+        if (err) {
+          // TODO: Found this bug late, and it hightlights the need for more structured errors from gRPC.
+          // This is the most straightforward way to fix the import command, but the API should be updated to handle this.
+          if (err.details && err.details.indexOf('Path already')) {
+            err.code = 'EEXIST'
+          }
+          return reject(err)
+        }
         return resolve()
       })
     }))