Git Support Add-on
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Oxygen XML Editor offers an add-on that contributes a built-in Git client directly into Oxygen XML Editor. Once this add-on is installed, a Git Staging view is available that includes various actions that perform common Git commands, such as push, pull, change branch, commit, and more. It also includes a built-in tool for comparing and merging changes.

To install it the add-on, follow these instructions:
  1. Go to Help > Install new add-ons to open an add-on selection dialog box.
  2. Enter or paste https://raw.githubusercontent.com/oxygenxml/Oxygen-Git-Plugin/master/build/addon.xml in the Show add-ons from field.
  3. Select the Git Support (Experimental) add-on and click Next.
  4. Select the I accept all terms of the end user license agreement option and click Finish.
  5. Restart the application.

Result: A Git Staging view will now be available in Oxygen XML Editor. If it is not visible, go to Window > Show View and select Get Staging. This view acts as a basic Git client integrated directly into Oxygen XML Editor and it provides support for committing changes to a Git repository, comparing and merging changes, and other Git commands.

For more information, see the details for this Git Support add-on in GitHub.