# Copyright 2019-2024 Tauri Programme within The Commons Conservancy
# SPDX-License-Identifier: Apache-2.0
# SPDX-License-Identifier: MIT

name: lint rust

on:
  push:
    branches:
      - dev
  pull_request:
    paths:
      - '.github/workflows/lint-rust.yml'
      - 'crates/**'
      - 'Cargo.toml'
      - 'Cargo.lock'

env:
  RUST_BACKTRACE: 1
  CARGO_PROFILE_DEV_DEBUG: 0 # This would add unnecessary bloat to the target folder, decreasing cache efficiency.

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  clippy:
    strategy:
      fail-fast: false
      matrix:
        platform:
          - target: x86_64-pc-windows-msvc
            os: windows-latest
            cargo: 'cargo'
            include: ''
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-latest
            cargo: 'cargo'
            include: ''
          - target: aarch64-apple-darwin
            os: macos-latest
            cargo: 'cargo'
            include: ''
          - target: aarch64-apple-ios
            os: macos-latest
            cargo: 'cargo'
            # api example crate should pull in every dependency we want to lint on mobile
            include: '--package api '
          - target: aarch64-linux-android
            os: ubuntu-latest
            cargo: 'cross'
            # api example crate should pull in every dependency we want to lint on mobile
            include: '--package api '

    runs-on: ${{ matrix.platform.os }}

    steps:
      - uses: actions/checkout@v7

      - name: install rust stable and clippy
        uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
          targets: ${{ matrix.platform.target }}

      - name: install Linux dependencies
        if: contains(matrix.platform.target, 'unknown-linux')
        run: |
          sudo apt-get update
          sudo apt-get install -y libgtk-3-dev webkit2gtk-4.1 libayatana-appindicator3-dev

      - name: Install cross
        if: ${{ matrix.platform.cargo == 'cross' }}
        uses: taiki-e/install-action@v2
        with:
          tool: cross@0.2.5

      - uses: Swatinem/rust-cache@v2
        with:
          key: ${{ matrix.platform.target }}
          # Only `dev` writes to the cache: an entry saved from a pull request lives on its
          # merge ref, where nothing else can restore it, and every write evicts a `dev`
          # entry that other runs would have hit (10 GB repository limit, LRU eviction).
          save-if: ${{ github.ref == 'refs/heads/dev' }}

      - run: ${{ matrix.platform.cargo }} clippy --target ${{ matrix.platform.target }} ${{ matrix.platform.include }}--all-targets --all-features -- -D warnings