Add CI workflow for checking repositories.xml

For pull requests touching repositories.xml, check that added emails
are associated with a bugzilla account, it matches schema, it is
sorted, and some must have fields are defined.

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/.github/workflows/repositories.yml b/.github/workflows/repositories.yml
new file mode 100644
index 00000000..3c3a0c35
--- /dev/null
+++ b/.github/workflows/repositories.yml
@@ -0,0 +1,46 @@
+name: repositories
+on:
+  pull_request:
+    paths:
+      - 'files/overlays/repositories.xml'
+
+jobs:
+  validate-content:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - uses: actions/setup-python@v3
+      with:
+        python-version: '3.x'
+        cache: 'pip'
+    - name: Install pip dependencies
+      run: pip install lxml
+
+    - name: Check repositories.xml
+      run: |
+        BASE_REF=$(git merge-base --fork-point origin/${{ github.base_ref }})
+        python bin/repositories-checker.py <(git show ${BASE_REF}:files/overlays/repositories.xml) files/overlays/repositories.xml
+
+  validate-schema:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Download repositories.xml schema
+      run: wget https://gitweb.gentoo.org/data/xml-schema.git/plain/repositories.xsd
+
+    - name: Prepare xmllint annotator
+      uses: korelstar/xmllint-problem-matcher@v1
+
+    - name: Lint repositories.xml
+      uses: ChristophWurst/xmllint-action@v1
+      with:
+        xml-file: ./files/overlays/repositories.xml
+        xml-schema-file: ./repositories.xsd