add user-store file name migration (#733)

Co-authored-by: Sebastian Malton <smalton@mirantis.com>

src/migrations/user-store/file-name-migration.ts

@@ -0,0 +1,22 @@
+import fse from "fs-extra";
+import { app, remote } from "electron";
+import path from "path";
+
+export async function fileNameMigration() {
+  const userDataPath = (app || remote.app).getPath("userData");
+  const configJsonPath = path.join(userDataPath, "config.json");
+  const lensUserStoreJsonPath = path.join(userDataPath, "lens-user-store.json");
+
+  try {
+    await fse.move(configJsonPath, lensUserStoreJsonPath);
+  } catch (error) {
+    if (error.code === "ENOENT" && error.path === configJsonPath) { // (No such file or directory)
+      return; // file already moved
+    } else if (error.message === "dest already exists.") {
+      await fse.remove(configJsonPath);
+    } else {
+      // pass other errors along
+      throw error;
+    }
+  }
+}

src/migrations/user-store/index.ts

@@ -1,6 +1,11 @@
 // User store migrations
 
 import version210Beta4 from "./2.1.0-beta.4";
+import { fileNameMigration } from "./file-name-migration";
+
+export {
+  fileNameMigration
+};
 
 export default {
   ...version210Beta4,