From 79d65fc63b9b9b30b21c32300d3a7eccd4847b54 Mon Sep 17 00:00:00 2001
From: Neil Shephard <n.shephard@sheffield.ac.uk>
Date: Mon, 13 May 2024 12:21:14 +0100
Subject: [PATCH] ci(gh-pages): Build docs on PRs to main branch only

Closes #838
---
 .github/workflows/sphinx_docs_to_gh_pages.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/sphinx_docs_to_gh_pages.yaml b/.github/workflows/sphinx_docs_to_gh_pages.yaml
index e960c9aac3..5b23de5cb2 100644
--- a/.github/workflows/sphinx_docs_to_gh_pages.yaml
+++ b/.github/workflows/sphinx_docs_to_gh_pages.yaml
@@ -2,7 +2,9 @@
 name: Sphinx docs to gh-pages
 
 on:
-  push:
+  pull_requests:
+    branches:
+      - main
     # Uncomment if only tagged releases are to have documentation built
     # tags:
     #   - v*