version_comparison.yml

name: Version Comparison
on:
  workflow_dispatch:
    inputs:
      baseRef:
        description: 'Base CLI ref (tag/branch/SHA)'
      baseRulesRef:
        description: 'Base rules ref'
      testRef:
        description: 'Test CLI ref (tag/branch/SHA)'
      testRulesRef:
        description: 'Test rules ref'

jobs:
  setup:
    name: Setup version comparison
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.load_repo_list.outputs.matrix }}
      cache_key: ${{ steps.cache_key.outputs.value }}
    steps:
      - uses: actions/checkout@v4
      - id: load_repo_list
        name: Load KPI repository list
        run : |
          echo "matrix=$(npx --yes json5 ./kpi_scan/kpi_repo_list.json5)" >> $GITHUB_OUTPUT
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.21
      - id: cache_key
        name: Create cache key
        run: |
          echo "value=cache-${{ github.run_id }}-${{ github.run_attempt }}" >> $GITHUB_OUTPUT
      - name: Create cache folder
        run: mkdir bearer-comparison
      - name: Checkout base CLI
        uses: actions/checkout@v4
        with:
          repository: bearer/bearer
          ref: ${{ inputs.baseRef }}
          path: base-cli
      - name: Checkout base rules
        uses: actions/checkout@v4
        with:
          repository: bearer/bearer-rules
          ref: ${{ inputs.baseRulesRef }}
          path: bearer-comparison/base-rules
      - name: Build base CLI
        run: |
          cd ./base-cli
          go build -o ../bearer-comparison/base-bearer ./cmd/bearer/main.go
      - name: Checkout test CLI
        uses: actions/checkout@v4
        with:
          repository: bearer/bearer
          ref: ${{ inputs.testRef }}
          path: test-cli
      - name: Checkout test rules
        uses: actions/checkout@v4
        with:
          repository: bearer/bearer-rules
          ref: ${{ inputs.testRulesRef }}
          path: bearer-comparison/test-rules
      - name: Build test CLI
        run: |
          cd ./test-cli
          go build -o ../bearer-comparison/test-bearer ./cmd/bearer/main.go
      - name: Cache CLIs and rules
        uses: actions/cache/save@v4
        with:
          path: bearer-comparison
          key: ${{ steps.cache_key.outputs.value }}
  test:
    needs: [setup]
    name: Scan ${{ matrix.name }}
    runs-on: ubuntu-latest
    strategy:
      matrix: ${{fromJson(needs.setup.outputs.matrix)}}
      fail-fast: false
    steps:
      - name: Restore CLIs and rules
        uses: actions/cache/restore@v4
        with:
          path: bearer-comparison
          key: ${{ needs.setup.outputs.cache_key }}
      - name: Checkout KPI repo
        run: |
          git clone --single-branch --depth 1 --no-tags ${{ matrix.repository_url }} ${{ matrix.name }}
      - name: Run base scan
        run: |
          ./bearer-comparison/base-bearer scan ${{ matrix.name }} \
            --format json \
            --exit-code 0 \
            --disable-default-rules \
            --external-rule-dir ./bearer-comparison/base-rules/rules \
            --force \
            --disable-version-check \
            --quiet \
            --hide-progress-bar \
            | jq > base.json
      - name: Run test scan
        run: |
          ./bearer-comparison/test-bearer scan ${{ matrix.name }} \
            --format json \
            --exit-code 0 \
            --disable-default-rules \
            --external-rule-dir ./bearer-comparison/test-rules/rules \
            --force \
            --disable-version-check \
            --quiet \
            --hide-progress-bar \
            | jq > test.json
      - run: |
          diff -u base.json test.json