name: Publish

on:
  pull_request:
    paths:
      - ".github/workflows/publish.yml"
  push:
    branches:
      - trunk

env:
  CARGO_INCREMENTAL: false
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: full

# Every time a PR is pushed to, cancel any previous jobs. This
# makes us behave nicer to github and get faster turnaround times
# on PRs that are pushed to multiple times in rapid succession.
concurrency:
  group: ${{github.workflow}}-${{github.ref}}
  cancel-in-progress: ${{github.event_name == 'pull_request'}}

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Install Rust WASM target
        run: rustup target add wasm32-unknown-unknown

      - name: Get `wasm-bindgen` version
        run: |
          WASM_BINDGEN_VERSION=$(cargo metadata --format-version 1 --all-features | jq '.packages[] | select(.name == "wasm-bindgen") | .version' | tr -d '"')

          echo $WASM_BINDGEN_VERSION

          echo "WASM_BINDGEN_VERSION=$WASM_BINDGEN_VERSION" >> "$GITHUB_ENV"

      - name: Install `wasm-bindgen`
        run: cargo +stable install wasm-bindgen-cli --version=$WASM_BINDGEN_VERSION

      - name: Debug symbols to line-tables-only
        shell: bash
        run: |
          mkdir -p .cargo

          cat <<EOF >> .cargo/config.toml
            [profile.dev]
            debug = "line-tables-only"
          EOF

      - name: Caching
        uses: Swatinem/rust-cache@v2
        with:
          key: publish-build

      - name: Build examples
        run: cargo xtask run-wasm --no-serve

      - name: Deploy WebGPU examples
        uses: JamesIves/github-pages-deploy-action@v4.7.4
        if: github.ref == 'refs/heads/trunk'
        with:
          token: ${{ secrets.WEB_DEPLOY }}
          folder: target/generated
          repository-name: gfx-rs/wgpu-rs.github.io
          branch: master
          target-folder: examples/