sync-schema.yml

name: Sync Linear Schema

on:
  schedule:
    - cron: '0 9 * * *' # Daily at 9am UTC
  workflow_dispatch:
    inputs:
      force_release:
        description: 'Tag a release even if the schema has not changed'
        type: boolean
        default: false

concurrency:
  group: sync-schema
  cancel-in-progress: false

permissions:
  contents: write

jobs:
  sync:
    runs-on: ubuntu-latest
    name: Rebuild from the live schema

    steps:
      - name: Check out the repository
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Set up PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: 8.3
          extensions: dom, curl, libxml, mbstring, zip, pcntl, bcmath, intl, iconv
          tools: composer:v2

      - name: Register the Composer cache directory
        id: composer-cache-files-dir
        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT

      - name: Cache dependencies
        uses: actions/cache@v6
        with:
          path: |
            vendor
            ${{ steps.composer-cache-files-dir.outputs.dir }}
          key: ${{ runner.os }}-composer-${{ hashFiles('composer.json') }}
          restore-keys: ${{ runner.os }}-composer-

      - name: Install dependencies
        run: composer install --no-interaction --prefer-dist

      - name: Fetch the schema
        id: schema
        env:
          LINEAR_SCHEMA_SUMMARY: ${{ github.workspace }}/schema-changes.md
        run: php vendor/bin/testbench linear:schema

      - name: Stop here if nothing changed
        id: proceed
        run: |
          if [ "${{ steps.schema.outputs.changed }}" = "true" ] || [ "${{ inputs.force_release }}" = "true" ]; then
            echo "run=true" >> $GITHUB_OUTPUT
          else
            echo "run=false" >> $GITHUB_OUTPUT
            echo "The schema is unchanged. Nothing to do."
          fi

      # New types are only visible to the default-field resolver once their classes exist
      # on disk, so we generate twice: the first pass writes them, the second fills in
      # the default fields for anything that was missing.
      - name: Rebuild the generated code
        if: steps.proceed.outputs.run == 'true'
        run: |
          php vendor/bin/testbench reset:data
          php vendor/bin/testbench generate:data
          composer dump-autoload
          php vendor/bin/testbench generate:data
          vendor/bin/php-cs-fixer fix --quiet
          composer dump-autoload

      - name: Run the test suite
        if: steps.proceed.outputs.run == 'true'
        run: vendor/bin/phpunit

      - name: Check code style
        if: steps.proceed.outputs.run == 'true'
        run: vendor/bin/php-cs-fixer fix --diff --dry-run

      - name: Work out the next version
        if: steps.proceed.outputs.run == 'true'
        id: version
        env:
          LINEAR_VERSION_BUMP: ${{ steps.schema.outputs.bump }}
        run: |
          CURRENT=$(git tag --list --sort=-v:refname | head -n 1)
          CURRENT=${CURRENT:-0.0.0}
          NEXT=$(php vendor/bin/testbench linear:next-version "$CURRENT" | tail -n 1 | tr -d '[:space:]')
          echo "current=$CURRENT" >> $GITHUB_OUTPUT
          echo "next=$NEXT" >> $GITHUB_OUTPUT
          echo "Releasing $CURRENT -> $NEXT (${{ steps.schema.outputs.bump }})"

      - name: Commit the rebuilt code
        if: steps.proceed.outputs.run == 'true'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add -A
          if git diff --cached --quiet; then
            echo "Nothing to commit."
          else
            git commit -m "Rebuild from the Linear schema for ${{ steps.version.outputs.next }}"
            git push origin HEAD:${{ github.ref_name }}
          fi

      - name: Write the release notes
        if: steps.proceed.outputs.run == 'true'
        run: |
          {
            echo "Rebuilt from the Linear GraphQL schema as of $(date -u '+%Y-%m-%d')."
            echo
            cat "${{ github.workspace }}/schema-changes.md" 2>/dev/null || echo "No schema changes recorded."
          } > "${{ github.workspace }}/release-notes.md"

      - name: Tag the release
        if: steps.proceed.outputs.run == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create "${{ steps.version.outputs.next }}" \
            --title "${{ steps.version.outputs.next }}" \
            --notes-file "${{ github.workspace }}/release-notes.md" \
            --target "$(git rev-parse HEAD)"