ci.yml

# SPDX-FileCopyrightText: 2026 Paul Moore
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# Build PSLDM and run the tests on every push and every pull request.
#
# The job runs in an Arch Linux container, because PSLDM needs
# gtk4-layer-shell 1.3 and the Ubuntu runner has 1.0. Xvfb gives the pixel
# test a display.

name: CI

on:
  push:
    branches: [main]
  pull_request:
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  test:
    name: Build and test
    runs-on: ubuntu-latest
    container: archlinux:latest

    steps:
      - name: Install the dependencies
        run: |
          pacman -Syu --needed --noconfirm \
            gcc pkgconf git rust clang \
            gtk4 gtk4-layer-shell pam \
            xorg-server-xvfb ttf-dejavu

      - name: Get the source
        uses: actions/checkout@v4

      - name: Trust the work directory
        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

      - name: Cache the build
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: arch-cargo-${{ hashFiles('Cargo.lock') }}
          restore-keys: arch-cargo-

      - name: Check the format
        run: cargo fmt --all --check

      - name: Run clippy
        run: cargo clippy --workspace --all-targets -- -D warnings

      - name: Run the tests
        env:
          GDK_BACKEND: x11
          # The runner has no graphics card, so GTK must draw with the
          # processor.
          GSK_RENDERER: cairo
          # Without a display the pixel test skips itself, and a skipped test
          # looks like a pass. This variable makes the skip a failure.
          PSLDM_REQUIRE_DISPLAY: 1
        run: xvfb-run -a -s "-screen 0 1920x1200x24" cargo test --workspace