From 561363dabd11cafc0af574ea81db0a5019da6be6 Mon Sep 17 00:00:00 2001
From: Guus der Kinderen <guus.der.kinderen@gmail.com>
Date: Thu, 15 Dec 2022 09:38:42 +0100
Subject: [PATCH] for #1240: Integrate XEP validation in CI

Adds a Github workflow that executes `tools/validate-xep0001-conformance.sh` against any changed XEP that was changed in a pull request.
---
 .github/workflows/xep-validation.yml | 36 ++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 .github/workflows/xep-validation.yml

diff --git a/.github/workflows/xep-validation.yml b/.github/workflows/xep-validation.yml
new file mode 100644
index 000000000..3e8a6cc50
--- /dev/null
+++ b/.github/workflows/xep-validation.yml
@@ -0,0 +1,36 @@
+name: XEP validation
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Validate any XEP changes
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Detect changes to XEP files
+        id: changed-xeps
+        uses: tj-actions/changed-files@v34
+        with:
+          files: |
+            xep-*.xml
+            inbox/*
+
+      - name: Validate changed file(s)
+        id: validation
+        if: steps.changed-xeps.outputs.any_changed == 'true'
+        run: |
+          sudo apt-get install -y libxml2-utils
+          result=0
+          for xep in "${{ steps.changed-xeps.outputs.all_changed_files }}"; do
+            if ! tools/validate-xep0001-conformance.sh "$xep"; then
+              result=1
+            fi
+          done
+          exit $result