---
name: Rust - Run Clippy to check lints
on:
  pull_request:
    paths:
      - .github/workflows/clippy.yml
      - clippy.toml
      - '**/*.rs'
  workflow_dispatch:

permissions: {}

jobs:
  prepare-android:
    name: Prepare Android container
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Use custom container image if specified
        if: ${{ github.event.inputs.override_container_image != '' }}
        run: echo "inner_container_image_android=${{ github.event.inputs.override_container_image }}"
          >> $GITHUB_ENV

      - name: Use default container image and resolve digest
        if: ${{ github.event.inputs.override_container_image == '' }}
        run: echo "inner_container_image_android=$(cat ./building/android-container-image.txt)" >> $GITHUB_ENV

    outputs:
      container_image_android: ${{ env.inner_container_image_android }}

  clippy-check-desktop:
    name: Clippy linting, desktop
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      # By default, the longest path a filename can have in git on Windows is 260 character.
      - name: Set git config for long paths
        if: runner.os == 'Windows'
        run: |
          git config --system core.longpaths true

      - name: Checkout repository
        uses: actions/checkout@v4

      - uses: ./.github/actions/mullvad-build-env
        with:
          rustup-components: clippy

      - name: Clippy check
        shell: bash
        env:
          RUSTFLAGS: --deny warnings
        run: |
          source env.sh
          time cargo clippy --workspace --locked --all-targets --no-default-features
          time cargo clippy --workspace --locked --all-targets --all-features

  clippy-check-android:
    name: Clippy linting, Android
    needs: prepare-android
    runs-on: ubuntu-latest
    container:
      image: ${{ needs.prepare-android.outputs.container_image_android }}

    steps:
      # Fix for HOME path overridden by GH runners when building in containers, see:
      # https://github.com/actions/runner/issues/863
      - name: Fix HOME path
        run: echo "HOME=/root" >> $GITHUB_ENV

      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Checkout wireguard-go submodule
        run: |
          git config --global --add safe.directory '*'
          git submodule update --init wireguard-go-rs/libwg/wireguard-go

      - name: Clippy check
        env:
          RUSTFLAGS: --deny warnings
        run: |
          cargo clippy --locked --all-targets --target x86_64-linux-android --package mullvad-jni --no-default-features
          cargo clippy --locked --all-targets --target x86_64-linux-android --package mullvad-jni --all-features