Fix #934: Documented how to create DB extension by hand in case of permission...

Fix #934: Documented how to create DB extension by hand in case of permission error during migrations

changes/changelog.d/934.doc

+Documented how to create DB extension by hand in case of permission error during migrations (#934)

docs/admin/upgrading.rst

@@ -192,6 +192,12 @@ match what is described in :doc:`/installation/debian`:
     # restart the services
     sudo systemctl start funkwhale.target
 
+.. note::
+    If you see a PermissionError when running the ``migrate`` command, try running the following commands by hand, and relaunch the migrations::
+
+        sudo -u postgres psql funkwhale -c 'CREATE EXTENSION IF NOT EXISTS "citext";'
+        sudo -u postgres psql funkwhale -c 'CREATE EXTENSION IF NOT EXISTS "unaccent";'
+
 .. warning::
 
     You may sometimes get the following warning while applying migrations::

docs/installation/external_dependencies.rst

@@ -66,6 +66,7 @@ for Funkwhale to work properly:
 .. code-block:: shell
 
     sudo -u postgres psql funkwhale -c 'CREATE EXTENSION "unaccent";'
+    sudo -u postgres psql funkwhale -c 'CREATE EXTENSION "citext";'
 
 
 Cache setup (Redis)