From 6bddbee7a5cb5c61108f7c5fd8e77dbd3b9e0e12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Graber?= <stgraber@ubuntu.com>
Date: Wed, 21 Jun 2023 21:43:46 -0400
Subject: [PATCH] github: Add DCO/target tests
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
---
 .github/workflows/commits.yml | 40 +++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 .github/workflows/commits.yml

diff --git a/.github/workflows/commits.yml b/.github/workflows/commits.yml
new file mode 100644
index 0000000..57f5d69
--- /dev/null
+++ b/.github/workflows/commits.yml
@@ -0,0 +1,40 @@
+name: Commits
+on:
+  - pull_request
+
+permissions:
+  contents: read
+
+jobs:
+  dco-check:
+    permissions:
+      pull-requests: read  # for tim-actions/get-pr-commits to get list of commits from the PR
+    name: Signed-off-by (DCO)
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Get PR Commits
+      id: 'get-pr-commits'
+      uses: tim-actions/get-pr-commits@master
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Check that all commits are signed-off
+      uses: tim-actions/dco@master
+      with:
+        commits: ${{ steps.get-pr-commits.outputs.commits }}
+
+  target-branch:
+    permissions:
+      contents: none
+    name: Branch target
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Check branch target
+      env:
+        TARGET: ${{ github.event.pull_request.base.ref }}
+      run: |
+        set -x
+        [ "${TARGET}" = "master" ] && exit 0
+
+        echo "Invalid branch target: ${TARGET}"
+        exit 1