From 44dc647adb35266f592191a821970359a6fb1324 Mon Sep 17 00:00:00 2001
From: Niels van Velzen <git@ndat.nl>
Date: Fri, 5 Nov 2021 19:09:44 +0100
Subject: [PATCH] Fix OpenAPI workflow not working with pull requests from
 forks

---
 .github/workflows/openapi.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/openapi.yml b/.github/workflows/openapi.yml
index 6e370819af..b81875d2c8 100644
--- a/.github/workflows/openapi.yml
+++ b/.github/workflows/openapi.yml
@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - master
-  pull_request:
+  pull_request_target:
 
 jobs:
   openapi-head:
@@ -12,6 +12,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
+        with:
+          ref: ${{ github.head_ref }}
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v1
         with:
@@ -53,7 +55,7 @@ jobs:
 
   openapi-diff:
     name: OpenAPI - Difference
-    if: ${{ github.event_name == 'pull_request' }}
+    if: ${{ github.event_name == 'pull_request_target' }}
     runs-on: ubuntu-latest
     needs:
       - openapi-head