Is there an established way to upgrade a Magento 2 Merchant Beta (master branch) install to the latest RC version? I haven't found a nice combination of commands / steps yet to complete an upgrade. The existing Merchant 2 Beta has the sample data already installed.

closed as off-topic by Raphael at Digital Pianism, Fabian Schmengler, Qaisar Satti, Rajeev K Tomy, Anna Völkl Apr 20 '16 at 11:23

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What I did to update from Magento 2 1.0.0Beta to Magento 2 RC:

  • Created backup of database and files
  • Moved old Magento files to temp directory
  • Placed Magento 2 RC files in the document root
  • Added my old files:
    • app/etc/config.php and app/etc/env.php
    • extensions and my theme

After that I got an error about a resource. I fixed this with this script: https://mage2.pro/t/topic/130

After that Magento worked perfect.

Also make sure that a few things are changed:

  • You should add a registration.php file to extensions and themes
  • The scheme is changed, see Luma theme for an example. The scheme is changed from: ../../../../../../../lib/internal/Magento/Framework/View to: urn:magento:framework:View
  1. bin/magento setup:backup to backup code base, media and database
  2. If you deployed using git clone get latest version using git pull
  3. Run composer install
  4. Run bin/magento setup:upgrade
  5. If you have any custom modules/themes, they will require registration.php

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