Documenting how to upgrade from atticmatic to borgmatic.

NEWS

@@ -1,8 +1,10 @@
 1.0.0
 
- * Attic is no longer supported, as there hasn't been any recent development on it.
-   This will allow faster iteration on Borg-specific configuration.
- * Project renamed from atticmatic to borgmatic.
+ * Attic is no longer supported, as there hasn't been any recent development on
+   it. Dropping Attic support will allow faster iteration on Borg-specific
+   features. If you're still using Attic, this is a good time to switch to Borg!
+ * Project renamed from atticmatic to borgmatic. See the borgmatic README for
+   information on upgrading.
 
 0.1.8
 

README.md

@@ -66,6 +66,26 @@ Then, copy the following configuration files:
 Lastly, modify the /etc files with your desired configuration.
 
 
+## Upgrading from atticmatic
+
+You can ignore this section if you're not an atticmatic user (the former name
+of borgmatic).
+
+borgmatic only supports Borg now and no longer supports Attic. So if you're
+an Attic user, consider switching to Borg. See the [Borg upgrade
+command](https://borgbackup.readthedocs.io/en/stable/usage.html#borg-upgrade)
+for more information. Then, follow the instructions above about setting up
+your borgmatic configuration files.
+
+If you were already using Borg with atticmatic, then you can easily upgrade
+from atticmatic to borgmatic. Simply run the following commands:
+
+    sudo pip uninstall atticmatic
+    sudo pip install borgmatic
+
+That's it! borgmatic will continue using your /etc/borgmatic configuration
+files.
+
 ## Usage
 
 You can run borgmatic and start a backup simply by invoking it without