sync-and-release.yml

name: Sync and release

on:
  workflow_dispatch:
    inputs:
      lvgl_bindings_ref:
        description: Exact lvgl-bindings commit SHA or v9.5.N tag
        required: true
        type: string
      mode:
        description: Dry-run validates only; sync commits; release commits and publishes
        required: true
        default: dry-run
        type: choice
        options:
          - dry-run
          - sync
          - release

permissions:
  contents: write

jobs:
  sync-and-release:
    runs-on: ubuntu-latest
    if: github.repository == 'PyDevices/lvgl-python'
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0
          submodules: recursive

      - uses: actions/setup-python@v7
        with:
          python-version: "3.12"

      - name: Validate exact bindings ref
        env:
          REF: ${{ inputs.lvgl_bindings_ref }}
        run: |
          if [[ ! "$REF" =~ ^[0-9a-fA-F]{40}$ && ! "$REF" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Expected an exact 40-character commit SHA or vX.Y.Z tag, got: $REF" >&2
            exit 1
          fi

      - name: Sync exact bindings source
        run: ./scripts/sync_from_lvgl_bindings.sh --ref "${{ inputs.lvgl_bindings_ref }}"

      - name: Check out matching smoke suite
        uses: actions/checkout@v7
        with:
          repository: PyDevices/lvgl-bindings
          ref: ${{ inputs.lvgl_bindings_ref }}
          path: lvgl-bindings

      - name: Build and test extension
        run: |
          python -m pip install --upgrade pip
          python -m pip install -e .
          python -m unittest discover -s tests -v
          python lvgl-bindings/tools/test_lvgl_smoke.py

      - name: Compute expected version
        id: version
        run: |
          git fetch --tags origin
          VERSION=$(./scripts/next_release_version.sh)
          [[ "$VERSION" == 9.5.* ]]
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "Expected version: $VERSION"

      - name: Dry-run result
        if: inputs.mode == 'dry-run'
        run: echo "Validation passed; no commit, tag, push, release, or publication was made."

      - name: Commit exact sync
        id: commit
        if: inputs.mode != 'dry-run'
        env:
          BINDINGS_REF: ${{ inputs.lvgl_bindings_ref }}
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          set -euo pipefail
          git config user.name 'github-actions[bot]'
          git config user.email 'github-actions[bot]@users.noreply.github.com'
          printf '%s\n' "$VERSION" > VERSION
          git add LVGL_BINDINGS_COMMIT VERSION generated/lvgl_python.c generated/lvgl.pyi lv_conf.h display_driver.py fs_driver.py lvgl
          if git diff --cached --quiet; then
            echo "changed=false" >> "$GITHUB_OUTPUT"
            echo "Already synchronized."
          else
            git commit -m "Sync bindings from ${BINDINGS_REF}."
            git push origin HEAD:main
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Mint a repository-scoped installation token
        id: app-token
        if: inputs.mode == 'release' && steps.commit.outputs.changed == 'true'
        uses: actions/create-github-app-token@v3
        with:
          app-id: ${{ secrets.PYDEVICES_APP_ID }}
          private-key: ${{ secrets.PYDEVICES_APP_PRIVATE_KEY }}
          owner: PyDevices
          repositories: lvgl-python

      - name: Publish GitHub release
        if: inputs.mode == 'release' && steps.commit.outputs.changed == 'true'
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          gh release create "v${VERSION}" \
            --repo "${{ github.repository }}" \
            --target "$(git rev-parse HEAD)" \
            --title "v${VERSION}" \
            --generate-notes