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
 
+jobs:
+  ci:
+    runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: read
 
-jobs:
-  check-should-build-container:
-    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
-
-    steps:
-      - uses: docker/setup-buildx-action@v3
-      - uses: docker/login-action@v3
-        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: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v4
+      - name: Get MSRV
+        id: msrv
+        run: |
+          echo "msrv=$(
+          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:
+          toolchain: ${{ steps.msrv.outputs.msrv }}
+          components: clippy, rustfmt
+      - uses: Swatinem/rust-cache@v2
       - name: Build
-      run: cargo build --release --verbose
+        run: cargo build --all-targets --profile ci --locked --verbose
       - name: Run tests
-      run: cargo test --verbose
+        run: |
+          mkdir "$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 --workspace --all-targets
+        run: cargo clippy --profile ci --locked --workspace --all-targets

.github/workflows/ubuntu.dockerfile

@@ -1,14 +0,0 @@
-FROM ubuntu:24.04
-
-ARG DEBIAN_FRONTEND=noninteractive
-ENV TZ=Etc/UTC
-ENV CARGO_HOME=/cargo RUSTUP_HOME=/rustup
-RUN apt-get update \
-	&& apt-get install -y xwayland libxcb1 clang libxcb-cursor0 libxcb-cursor-dev curl pkg-config libegl1 \
-	&& rm -r /var/lib/apt/lists/*
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
-	&& . "/cargo/env" \
-	&& rustup toolchain install stable \
-	&& rustup default stable
-RUN mkdir /run/xwls-test
-ENV PATH="/cargo/bin:$PATH" XDG_RUNTIME_DIR="/run/xwls-test"

Cargo.toml

@@ -11,10 +11,14 @@ rustix = "0.38.31"
 [workspace.lints.clippy]
 all = "deny"
 
+[workspace.package]
+rust-version = "1.83.0"
+
 [package]
 name = "xwayland-satellite"
 version = "0.7.0"
 edition = "2021"
+rust-version.workspace = true
 
 [lints]
 workspace = true
@@ -51,3 +55,9 @@ testwl = { path = "testwl" }
 [build-dependencies]
 anyhow = "1.0.98"
 vergen-gitcl = "1.0.8"
+
+[profile.ci]
+inherits = "dev"
+# Shrink bloat in ./target which negatively affects build caching
+incremental = false
+debug = false

tests/integration.rs

@@ -131,7 +131,7 @@ impl Fixture {
         // wait for connection
         let fd = unsafe { BorrowedFd::borrow_raw(testwl.poll_fd().as_raw_fd()) };
         let pollfd = PollFd::from_borrowed_fd(fd, PollFlags::IN);
-        assert!(poll(&mut [pollfd.clone()], 100).unwrap() > 0);
+        assert!(poll(&mut [pollfd.clone()], -1).unwrap() > 0);
         testwl.dispatch();
 
         let try_bool_timeout = |b: &AtomicBool| {