.github/workflows/go.yaml

name: go

on:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  tidy:
    name: go build and go mod tidy
    runs-on: ubuntu-latest
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@95d9a5deda9de15063e7595e9719c11c38c90ae2 # v2.13.2
        with:
          egress-policy: audit

      - name: Checkout
        uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5.1.0

      - name: Set up Bazel
        uses: bazel-contrib/setup-bazel@c5acdfb288317d0b5c0bbd7a396a3dc868bb0f86 # 0.19.0
        with:
          bazelisk-cache: true
          repository-cache: true

      - name: Run go mod tidy
        run: bazel run @io_bazel_rules_go//go -- mod tidy

      - name: Run go build
        run: bazel run @io_bazel_rules_go//go -- build ./...

      - name: Check for changes
        run: |
          if ! git diff --exit-code -- go.mod go.sum MODULE.bazel; then
            echo "::error::go.mod, go.sum or MODULE.bazel is out of date. Run 'bazel run @io_bazel_rules_go//go -- mod tidy' and commit the result."
            exit 1
          fi