name: validate

# Default to 'contents: read', which grants actions to read commits.
#
# If any permission is set, any permission not included in the list is
# implicitly set to "none".
#
# see https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
permissions:
  contents: read

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

on:
  workflow_dispatch:
  push:
    branches:
      - 'master'
      - 'v[0-9]*'
    tags:
      - 'v*'
  pull_request:
    paths-ignore:
      - '.github/releases.json'

env:
  SETUP_BUILDX_VERSION: "edge"
  SETUP_BUILDKIT_IMAGE: "moby/buildkit:latest"

jobs:
  prepare:
    runs-on: ubuntu-24.04
    outputs:
      includes: ${{ steps.matrix.outputs.includes }}
    steps:
      -
        name: Checkout
        uses: actions/checkout@v4
      -
        name: Matrix
        id: matrix
        uses: actions/github-script@v7
        with:
          script: |
            let def = {};
            await core.group(`Parsing definition`, async () => {
              const printEnv = Object.assign({}, process.env, {
                GOLANGCI_LINT_MULTIPLATFORM: process.env.GITHUB_REPOSITORY === 'docker/buildx' ? '1' : ''
              });
              const resPrint = await exec.getExecOutput('docker', ['buildx', 'bake', 'validate', '--print'], {
                ignoreReturnCode: true,
                env: printEnv
              });
              if (resPrint.stderr.length > 0 && resPrint.exitCode != 0) {
                throw new Error(res.stderr);
              }
              def = JSON.parse(resPrint.stdout.trim());
            });
            await core.group(`Generating matrix`, async () => {
              const includes = [];
              for (const targetName of Object.keys(def.target)) {
                const target = def.target[targetName];
                if (target.platforms && target.platforms.length > 0) {
                  target.platforms.forEach(platform => {
                    includes.push({
                      target: targetName,
                      platform: platform
                    });
                  });
                } else {
                  includes.push({
                    target: targetName
                  });
                }
              }
              core.info(JSON.stringify(includes, null, 2));
              core.setOutput('includes', JSON.stringify(includes));
            });

  validate:
    runs-on: ubuntu-24.04
    needs:
      - prepare
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJson(needs.prepare.outputs.includes) }}
    steps:
      -
        name: Prepare
        run: |
          if [ "$GITHUB_REPOSITORY" = "docker/buildx" ]; then
            echo "GOLANGCI_LINT_MULTIPLATFORM=1" >> $GITHUB_ENV
          fi
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          version: ${{ env.SETUP_BUILDX_VERSION }}
          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
          buildkitd-flags: --debug
      -
        name: Validate
        uses: docker/bake-action@v6
        with:
          targets: ${{ matrix.target }}
          set: |
            *.platform=${{ matrix.platform }}