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Previous sections focused on using VersionPress on a single site, or more precisely, on a single site instance. It offers many useful features there but where it truly shines is when it comes to multiple instances (clones of the WP site, environments if you will) and synchronization between them.


The terms clone, WP instance, installation, environment etc. all represent the same concept and are used interchangeably here.

Why multiple instances

There are two main reasons why you would want to have two or more instances of a WordPress site:

  1. Safe testing environment (staging)
  2. Team workflows

A safe testing environment is essential when you have a larger or risky change like trying out a new plugin, changing a theme or upgrading WordPress. While it is true that VersionPress greatly helps with the Undo / Rollback functionality even on the live site, it is even better to test those changes beforehand. The technique of this is sometimes broadly referred to as staging.

Another common scenario is team work. On many projects, several people cooperate to get the work done, from developers, designers to copywriters. The best way to organize such work is to have a separate environment for each person involved so that there is no interference or disruption during the development period.

There is a common problem though: while it is simple to create multiple instances of a site, it is generally very hard to merge them back together. And you need a merge because simply replacing one site with another could lose newer changes there.

That's where VersionPress comes in.

Cloning and merging with VersionPress

Let's discuss a workflow that seems basic but actually covers almost any real-world scenario – you can use it for staging, team work, hosting the repository on GitHub, almost anything.

See Also

The workflow has been showcased in the blog post VersionPress 2.0: Easy Staging.

(1) You start by cloning a site. That creates a new site instance that looks exactly like the original one but with its own files and database tables. Technically, it is a separate WordPress installation.

(2) Then you do the work there. You can experiment with new stuff, you can break things, it doesn't matter as the environment is completely separate and safe. If things go too crazy, you can always start over and clone from the origin again.

Then, at some point, you're happy with the result and you're going to (3) merge the changes back. In VersionPress' (and Git's) terminology, you're going to push or pull changes between environments.

In most cases, the merge will be fully automatic and painless. However, a conflict might also occur. This happens when two different edits are done to the same piece of data, for example, when two copywriters edit the same paragraph or the site title is updated differently in two environments.

(4) In such case, the conflict needs to be resolved. This is always a human work and currently, we do not have a user interface for that but because VersionPress is powered by Git and very close to it, you can (and currently need to) do it manually. When the conflict is resolved, you commit the result and run a special synchronization command as discussed in the merging topic again.

That's all there is to it, really. Happy cloning & merging!