From af5a7f4df8414deb5ffc707184d9db82b7d2b3ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Han?= <seb@redhat.com>
Date: Tue, 25 Aug 2020 19:00:08 +0200
Subject: [PATCH] ci: run make codegen validation in workflow
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Fail if a PR is submitted and has not run "make codegen"

Signed-off-by: Sébastien Han <seb@redhat.com>
---
 .github/workflows/codegen.yml | 20 ++++++++++++++++++++
 hack/validate-codegen.sh      | 10 ++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 .github/workflows/codegen.yml
 create mode 100755 hack/validate-codegen.sh

diff --git a/.github/workflows/codegen.yml b/.github/workflows/codegen.yml
new file mode 100644
index 000000000..740ed0f3d
--- /dev/null
+++ b/.github/workflows/codegen.yml
@@ -0,0 +1,20 @@
+name: Codegen
+on: [pull_request]
+
+jobs:
+  codegen:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout
+      uses: actions/checkout@v1
+
+    - uses: actions/setup-go@v2
+      with:
+        go-version: 1.13
+
+    - name: run codegen
+      run: GOPATH=$(go env GOPATH) make codegen
+
+    - name: validate codegen
+      run: hack/validate-codegen.sh
+
diff --git a/hack/validate-codegen.sh b/hack/validate-codegen.sh
new file mode 100755
index 000000000..e7b1e7bab
--- /dev/null
+++ b/hack/validate-codegen.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+set -ex
+
+for file in $(git status --porcelain); do
+    if [[ "$file" =~ "zz" ]]; then
+        echo "found codegen files!"
+        echo "please run 'make codegen' and update your PR"
+        exit 1
+    fi
+done