From 0877cfc3c9d937999bcb3051b4b712800a53ca35 Mon Sep 17 00:00:00 2001
From: Lance Edgar <lance@edbob.org>
Date: Thu, 7 Nov 2019 22:56:56 -0600
Subject: [PATCH] Fallback to referrer if form has no cancel button URL

---
 tailbone/templates/forms/deform_buefy.mako | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tailbone/templates/forms/deform_buefy.mako b/tailbone/templates/forms/deform_buefy.mako
index 9d4dafe2..3d60decc 100644
--- a/tailbone/templates/forms/deform_buefy.mako
+++ b/tailbone/templates/forms/deform_buefy.mako
@@ -63,11 +63,11 @@
                 ${h.link_to("Cancel", form.cancel_url, class_='ui-btn ui-corner-all')}
             % else:
                 % if form.auto_disable_cancel:
-                    <once-button tag="a" href="${form.cancel_url}"
+                    <once-button tag="a" href="${form.cancel_url or request.get_referrer()}"
                                  text="Cancel">
                     </once-button>
                 % else:
-                    <b-button tag="a" href="${form.cancel_url}">
+                    <b-button tag="a" href="${form.cancel_url or request.get_referrer()}">
                       Cancel
                     </b-button>
                 % endif