release.yml

name: Create Release

on:
  push:
    branches:
      - main

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '20'

      - name: Install dependencies
        run: npm ci

      - name: Extract version
        id: version
        run: |
          VERSION=$(grep -oP '(?<=version: ")[^"]+' main.tsp)
          if [ -z "$VERSION" ]; then
            echo "::error::Failed to extract version from main.tsp — check the @info decorator format" >&2
            exit 1
          fi
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "tag=v$VERSION" >> "$GITHUB_OUTPUT"

      - name: Check if release already exists
        id: check_tag
        env:
          TAG: ${{ steps.version.outputs.tag }}
        run: |
          git fetch --tags
          if git rev-parse "$TAG" >/dev/null 2>&1; then
            echo "Tag $TAG already exists — skipping release"
            echo "skip=true" >> "$GITHUB_OUTPUT"
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Build all schemas
        if: steps.check_tag.outputs.skip == 'false'
        run: |
          ./build-schema.sh core
          ./build-schema.sh core --swagger
          ./build-schema.sh gcp
          ./build-schema.sh gcp --swagger

      - name: Prepare release assets
        if: steps.check_tag.outputs.skip == 'false'
        run: |
          cp schemas/core/openapi.yaml core-openapi.yaml
          cp schemas/core/swagger.yaml core-swagger.yaml
          cp schemas/gcp/openapi.yaml gcp-openapi.yaml
          cp schemas/gcp/swagger.yaml gcp-swagger.yaml

      - name: Create release tag
        if: steps.check_tag.outputs.skip == 'false'
        env:
          TAG: ${{ steps.version.outputs.tag }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a "$TAG" -m "Release $TAG"
          git push origin "$TAG"

      - name: Create GitHub Release
        if: steps.check_tag.outputs.skip == 'false'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.version.outputs.tag }}
          generate_release_notes: true
          draft: false
          prerelease: false
          files: |
            core-openapi.yaml
            core-swagger.yaml
            gcp-openapi.yaml
            gcp-swagger.yaml
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}