From 68804b93d0354f7289f2767f849491a62ea8bcd4 Mon Sep 17 00:00:00 2001
From: Tim Pillinger <26465611+wxtim@users.noreply.github.com>
Date: Mon, 4 Sep 2023 10:08:51 +0100
Subject: [PATCH] Allow users to access `cylc play --upgrade`.

---
 CHANGES.md              | 3 +++
 cylc/uiserver/schema.py | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/CHANGES.md b/CHANGES.md
index f9691884..40aaa8b9 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -30,6 +30,9 @@ Upgraded to Jupyter Server 2.7+ and Jupyter Hub 4.0+. Note cylc-uiserver
 1.3 remains supported and compatible with cylc-flow 8.2 for those not ready
 to make the jump just yet.
 
+[#490](https://github.com/cylc/cylc-uiserver/pull/490) - Make ``cylc play --upgrade``
+available from the GUI.
+
 -------------------------------------------------------------------------------
 ## __cylc-uiserver-1.3.0 (<span actions:bind='release-date'>Released 2023-07-21</span>)__
 
diff --git a/cylc/uiserver/schema.py b/cylc/uiserver/schema.py
index c49eb42b..12251a0e 100644
--- a/cylc/uiserver/schema.py
+++ b/cylc/uiserver/schema.py
@@ -222,6 +222,12 @@ class Arguments:
                 on the `cylc play` command line if they need to be overridden.
             ''')
         )
+        upgrade = graphene.Boolean(
+            default_value=False,
+            description=sstrip('''
+                Upgrade the workflow database.
+            ''')
+        )
 
     result = GenericScalar()