ci: rewrite from ground up

.github/workflows/ci.yml

@@ -8,77 +8,46 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
-  UBUNTU_DOCKERFILE: .github/workflows/ubuntu.dockerfile
-
-permissions:
-  contents: read
-  packages: read
 
 jobs:
-  check-should-build-container:
+  ci:
     runs-on: ubuntu-latest
     permissions:
-      pull-requests: read
       contents: read
-    steps:
-      - if: ${{ github.event_name == 'push' }}
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 2
-          sparse-checkout: .github
-      - id: changed
-        uses: tj-actions/changed-files@v45
-        with:
-          files: ${{ env.UBUNTU_DOCKERFILE }}
-      - id: name
-        run: echo "container_path=${{ env.REGISTRY }}/${GITHUB_REPOSITORY@L}" >> "$GITHUB_OUTPUT"
-    outputs:
-      should-build: ${{ steps.changed.outputs.any_changed }}
-      container-path: ${{ steps.name.outputs.container_path }}
-
-  ubuntu-build:
-    runs-on: ubuntu-latest
-    needs: check-should-build-container
-    if: ${{ needs.check-should-build-container.outputs.should-build == 'true' }}
-    permissions:
-      contents: read
-      packages: write
-      id-token: write
+      packages: read
 
     steps:
-      - uses: docker/setup-buildx-action@v3
-      - uses: docker/login-action@v3
+      - uses: actions/checkout@v4
+      - name: Get MSRV
+        id: msrv
+        run: |
+          echo "msrv=$(
+          awk '/^rust-version = "[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+"$/ {
+            print substr($NF, 2, length($NF) - 2)
+          }' Cargo.toml)" >> "$GITHUB_OUTPUT"
+      - name: Set XDG_RUNTIME_DIR
+        id: xrd
+        run: echo "testdir=$PWD/test-xwls" >> "$GITHUB_OUTPUT"
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y xwayland clang libxcb1 libxcb-cursor0 libxcb-cursor-dev pkg-config libegl1
+        env:
+          DEBIAN_FRONTEND: noninteractive
+      - uses: dtolnay/rust-toolchain@master
         with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - uses: docker/build-push-action@v6
-        with:
-          file: ${{ env.UBUNTU_DOCKERFILE }}
-          push: true
-          tags: ${{ needs.check-should-build-container.outputs.container-path }}-ubuntu:latest
-          labels: org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-
-  build:
-    needs: [ubuntu-build, check-should-build-container]
-    if: ${{ always() && (needs.ubuntu-build.result == 'success' || needs.ubuntu-build.result == 'skipped') }}
-    runs-on: ubuntu-latest
-    container:
-      image: ${{ needs.check-should-build-container.outputs.container-path }}-ubuntu:latest
-      credentials:
-        username: ${{ github.actor }}
-        password: ${{ secrets.GITHUB_TOKEN }}
-    steps:
-    - uses: actions/checkout@v4
-    - name: Build
-      run: cargo build --release --verbose
-    - name: Run tests
-      run: cargo test --verbose
-    - name: Format check
-      run: cargo fmt --check
-    - name: Clippy
-      run: cargo clippy --workspace --all-targets
+          toolchain: ${{ steps.msrv.outputs.msrv }}
+          components: clippy, rustfmt
+      - uses: Swatinem/rust-cache@v2
+      - name: Build
+        run: cargo build --all-targets --profile ci --locked --verbose
+      - name: Run tests
+        run: |
+          mkdir "$XDG_RUNTIME_DIR"
+          cargo test --profile ci --locked --verbose -- --test-threads 1 --nocapture
+        env:
+          XDG_RUNTIME_DIR: ${{ steps.xrd.outputs.testdir }}
+      - name: Format check
+        run: cargo fmt --check
+      - name: Clippy
+        run: cargo clippy --profile ci --locked --workspace --all-targets