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Diff check and manifest generation GitHub Actions For Go projects it’s crucial that you don’t forget to run go mod tidy from time to time. Combine that with a project that includes Kubernetes controllers and the other thing people tend to forget is running make manifest && make generate. To check for these I added a small GitHub action that looks like this: name: Check for diff after manifest and generated targets on: pull_request: {} jobs: diff-check-manifests: name: Check for diff runs-on: ubuntu-latest steps: - name: Checkout uses: actions/checkout@v3 with: fetch-depth: 0 - name: Make manifests && generate run: | make manifests && make generate - name: Setup Go uses: actions/setup-go@v3 with: go-version-file: '${{ github.workspace }}/go.mod' - name: Restore Go cache uses: actions/cache@v3 with: path: /home/runner/work/_temp/_github_home/go/pkg/mod key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }} restore-keys: | ${{ runner.os }}-go- - name: go mod tidy run: | go mod tidy - name: Check for diff run: | git diff --exit-code --shortstat Small but effective and saved my behind a couple times now. ...