evented 0.2.4

name: ci

on:
  push:
    branches:
      - main
    tags-ignore:
      - v*
  pull_request:
    branches:
      - main
  schedule:
    - cron: 0 4/12 * * *
  workflow_dispatch:
    inputs:
      nightly:
        description: use latest nightly
        required: true
        type: boolean

concurrency:
  group: ${{github.workflow}}-${{github.head_ref || github.run_id}}
  cancel-in-progress: true

jobs:
  toolchain:
    runs-on: ubuntu-latest
    env:
      nightly: ${{(github.event.inputs.nightly == 'true' || github.event_name == 'schedule') && 'true' || ''}}
    outputs:
      toolchain: ${{steps.set_toolchain.outputs.toolchain}}
      nightly_toolchain: ${{steps.set_toolchain.outputs.nightly_toolchain}}
    steps:
      - uses: actions/checkout@v4
      - name: Set toolchain
        id: set_toolchain
        env:
          toolchain_toml: "rust-toolchain.toml"
        run: |
          if [[ -z $nightly ]] && [[ -f $toolchain_toml ]]; then
            toolchain=$(grep channel $toolchain_toml | sed -r 's/channel = "(.*)"/\1/')
            echo "using toolchain $toolchain from rust-toolchain.toml"
            echo "toolchain=$toolchain" >> "$GITHUB_OUTPUT"
            if [[ $toolchain =~ ^nightly.* ]]; then
              echo "using nightly_toolchain $toolchain"
              echo "nightly_toolchain=$toolchain" >> "$GITHUB_OUTPUT"
            else
              echo "using nightly_toolchain nightly"
              echo "nightly_toolchain=nightly" >> "$GITHUB_OUTPUT"
            fi
          else
            toolchain='nightly'
            echo "using toolchain nightly"
            echo "toolchain=nightly" >> "$GITHUB_OUTPUT"
            echo "using nightly_toolchain nightly"
            echo "nightly_toolchain=nightly" >> "$GITHUB_OUTPUT"
          fi

  check:
    runs-on: ubuntu-latest
    needs: toolchain
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{needs.toolchain.outputs.toolchain}}

      - name: Install just
        uses: taiki-e/install-action@v2
        with:
          tool: just

      - uses: Swatinem/rust-cache@v2

      - name: just check
        run: |
          rustup override set ${{needs.toolchain.outputs.toolchain}}
          just check

  fmt-check:
    runs-on: ubuntu-latest
    needs: toolchain
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{needs.toolchain.outputs.nightly_toolchain}}
          components: rustfmt

      - name: Install just
        uses: taiki-e/install-action@v2
        with:
          tool: just

      - uses: Swatinem/rust-cache@v2

      - name: just fmt-check
        run: |
          rustup override set ${{needs.toolchain.outputs.nightly_toolchain}}
          just fmt-check ''

  lint:
    runs-on: ubuntu-latest
    needs: [toolchain, check, fmt-check]
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          components: clippy
          toolchain: ${{needs.toolchain.outputs.toolchain}}

      - name: Install just
        uses: taiki-e/install-action@v2
        with:
          tool: just

      - uses: Swatinem/rust-cache@v2

      - name: just lint
        run: |
          rustup override set ${{needs.toolchain.outputs.toolchain}}
          just lint

  test:
    runs-on: ubuntu-latest
    needs: [toolchain, check, fmt-check]
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{needs.toolchain.outputs.toolchain}}

      - name: Install just
        uses: taiki-e/install-action@v2
        with:
          tool: just

      - uses: Swatinem/rust-cache@v2

      - name: just test
        run: |
          rustup override set ${{needs.toolchain.outputs.toolchain}}
          just test

  doc:
    runs-on: ubuntu-latest
    needs: [toolchain, check, fmt-check]
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{needs.toolchain.outputs.nightly_toolchain}}

      - name: Install just
        uses: taiki-e/install-action@v2
        with:
          tool: just

      - uses: Swatinem/rust-cache@v2

      - name: just doc
        run: |
          rustup override set ${{needs.toolchain.outputs.nightly_toolchain}}
          just doc ''

  dependabot:
    runs-on: ubuntu-latest
    needs: [doc, lint, test]
    if: github.event_name == 'pull_request' && github.actor == 'dependabot[bot]'
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: approve
        run: gh pr review --approve "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

      - name: merge
        run: gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}