snapshot-version-check.yaml

name: Snapshot version check

on:
  pull_request:
    branches:
      - master
    paths:
      - '**/__snapshots__/**'

permissions:
  contents: read
  pull-requests: read

jobs:
  check-snapshot-versions:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Get version from master branch
        id: base-version
        run: |
          git fetch origin master
          VERSION=$(git show "origin/master:package.json" | jq -r '.version')
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "Master branch version: $VERSION"

      - name: Check snapshot file headers
        env:
          EXPECTED_VERSION: ${{ steps.base-version.outputs.version }}
        run: |
          CHANGED_SNAPSHOTS=$(git diff --name-only --diff-filter=ACMR "origin/master...HEAD" -- '**/__snapshots__/**')

          if [ -z "$CHANGED_SNAPSHOTS" ]; then
            echo "No snapshot files changed in this PR."
            exit 0
          fi

          echo "Checking snapshot files for version v${EXPECTED_VERSION}..."
          echo "Changed snapshot files:"
          echo "$CHANGED_SNAPSHOTS"
          echo ""

          FAILED=0
          while IFS= read -r file; do
            if [ ! -f "$file" ]; then
              continue
            fi

            HEADER=$(head -n 6 "$file")
            if echo "$HEADER" | grep -q "Generated by orval"; then
              if ! echo "$HEADER" | grep -qF "Generated by orval v${EXPECTED_VERSION} "; then
                ACTUAL=$(echo "$HEADER" | grep -oP 'Generated by orval v\K[0-9.]+' || echo "unknown")
                echo "::error file=${file}::Version mismatch: expected v${EXPECTED_VERSION}, found v${ACTUAL}"
                FAILED=1
              else
                echo "✓ ${file}"
              fi
            fi
          done <<< "$CHANGED_SNAPSHOTS"

          if [ "$FAILED" -eq 1 ]; then
            echo ""
            echo "::error::Snapshot version mismatch. Snapshots must be generated with orval v${EXPECTED_VERSION} (the version on master)."
            echo "Run 'vp run -w test:snapshots:update' after updating the orval version to regenerate snapshots."
            exit 1
          fi

          echo ""
          echo "All snapshot versions match v${EXPECTED_VERSION}."