ci: Naming adjustments and cleanup

.github/workflows/full_ci.yml → .github/workflows/ci.yaml

@@ -1,4 +1,4 @@
-name: full CI
+name: CI
 
 on:
   merge_group:
@@ -9,153 +9,94 @@ env:
   CARGO_TERM_VERBOSE: true
   LIBC_CI: 1
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   style_check:
     name: Style check
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
       - name: Setup Rust toolchain
-        run: sh ./ci/install-rust.sh
+        run: ./ci/install-rust.sh
       - name: Check style
-        run: sh ci/style.sh
+        run: ./ci/style.sh
 
-  build_channels_linux:
-    name: Build Channels Linux
-    runs-on: ubuntu-22.04
-    env:
-      OS: linux
+  # This runs `cargo build --target ...` for all T1 and T2 targets`
+  verify_build:
+    name: Verify build
     strategy:
-      fail-fast: true
-      max-parallel: 5
       matrix:
-        toolchain:
-          - stable
-          - beta
-          - nightly
-          - 1.63.0
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust toolchain
-        run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/install-rust.sh
-      - name: Execute build.sh
-        run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/build.sh
-
-  build_channels_macos:
-    name: Build Channels macOS
-    needs: macos
+        toolchain: [stable, nightly, 1.63.0]
+        os: [ubuntu-24.04, macos-14, windows-2022]
+        include:
+          - toolchain: beta
+            os: ubuntu-24.04
+    runs-on: ${{ matrix.os }}
     env:
-      OS: macos
-    strategy:
-      fail-fast: true
-      max-parallel: 4
-      matrix:
-        target:
-          - { toolchain: stable, os: macos-14 }
-          - { toolchain: beta, os: macos-14 }
-          - { toolchain: nightly, os: macos-14 }
-          - { toolchain: 1.63.0, os: macos-14 }
-    runs-on: ${{ matrix.target.os }}
+      TOOLCHAIN: ${{ matrix.toolchain }}
     steps:
       - uses: actions/checkout@v4
       - name: Setup Rust toolchain
-        run: TOOLCHAIN=${{ matrix.target.toolchain }} sh ./ci/install-rust.sh
+        run: ./ci/install-rust.sh
       - name: Execute build.sh
-        run: TOOLCHAIN=${{ matrix.target.toolchain }} sh ./ci/build.sh
+        run: ./ci/verify-build.sh
 
-  build_channels_windows:
-    name: Build Channels Windows
-    runs-on: windows-2022
-    env:
-      OS: windows
-    strategy:
-      fail-fast: true
-      matrix:
-        toolchain:
-          - 1.63.0
-          - stable
-    steps:
-      - uses: actions/checkout@v4
-      - name: Self-update rustup
-        run: rustup self update
-        shell: bash
-      - name: Execute build.sh
-        run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/build.sh
-        shell: bash
-
-  macos:
-    name: macOS
-    runs-on: macos-14
+  test_tier1:
+    name: Test tier1
     strategy:
-      fail-fast: true
-      matrix:
-        target:
-          - aarch64-apple-darwin
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust toolchain
-        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
-      - name: Execute run.sh
-        run: sh ./ci/run.sh ${{ matrix.target }}
-
-  windows:
-    name: Windows
-    runs-on: windows-2022
-    env:
-      OS: windows
-    strategy:
-      fail-fast: true
       matrix:
         include:
+          - target: i686-unknown-linux-gnu
+            docker: true
+            os: ubuntu-24.04
+          - target: x86_64-unknown-linux-gnu
+            docker: true
+            os: ubuntu-24.04
+          - target: aarch64-apple-darwin
+            os: macos-14
           - target: x86_64-pc-windows-gnu
+            os: windows-2022
             env:
               ARCH_BITS: 64
               ARCH: x86_64
           - target: x86_64-pc-windows-msvc
+            os: windows-2022
           # FIXME: It currently causes segfaults.
           #- target: i686-pc-windows-gnu
           #  env:
           #    ARCH_BITS: 32
           #    ARCH: i686
           - target: i686-pc-windows-msvc
-    steps:
-      - uses: actions/checkout@v4
-      - name: Self-update rustup
-        run: rustup self update
-        shell: bash
-      - name: Setup Rust toolchain
-        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
-        shell: bash
-      - name: Execute run.sh
-        run: sh ./ci/run.sh ${{ matrix.target }}
-        shell: bash
-
-
-  docker_linux_tier1:
-    name: Docker Linux Tier1
-    runs-on: ubuntu-22.04
-    strategy:
-      fail-fast: true
-      matrix:
-        target:
-          - i686-unknown-linux-gnu
-          - x86_64-unknown-linux-gnu
+            os: windows-2022
+    runs-on: ${{ matrix.os }}
+    env:
+      TARGET: ${{ matrix.target }}
     steps:
       - uses: actions/checkout@v4
       - name: Setup Rust toolchain
-        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
-      - name: Execute run-docker.sh
-        run: sh ./ci/run-docker.sh ${{ matrix.target }}
+        run: ./ci/install-rust.sh
+      - name: Run natively
+        if: "!matrix.docker"
+        run: ./ci/run.sh ${{ matrix.target }}
+      - name: Run in Docker
+        if: "matrix.docker"
+        run: ./ci/run-docker.sh ${{ matrix.target }}
 
-  docker_linux_tier2:
-    name: Docker Linux Tier2
-    needs: [docker_linux_tier1, style_check]
-    runs-on: ubuntu-22.04
+  test_tier2:
+    name: Test tier2
+    needs: [test_tier1, style_check]
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: true
       max-parallel: 12
       matrix:
         target:
+          # FIXME(sparc): this takes much longer to run than any other job, put
+          # it first to make sure it gets a head start.
+          - sparc64-unknown-linux-gnu
           - aarch64-linux-android
           - aarch64-unknown-linux-gnu
           - aarch64-unknown-linux-musl
@@ -169,28 +110,30 @@ jobs:
           - powerpc-unknown-linux-gnu
           - powerpc64-unknown-linux-gnu
           - powerpc64le-unknown-linux-gnu
-          - s390x-unknown-linux-gnu
           - riscv64gc-unknown-linux-gnu
+          - s390x-unknown-linux-gnu
+          - wasm32-unknown-emscripten
           - wasm32-wasip1
           - wasm32-wasip2
-          - sparc64-unknown-linux-gnu
-          - wasm32-unknown-emscripten
           - x86_64-linux-android
           # FIXME: Exec format error (os error 8)
           # - x86_64-unknown-linux-gnux32
           - x86_64-unknown-linux-musl
           # FIXME: It seems some items in `src/unix/mod.rs`
           # aren't defined on redox actually.
           # - x86_64-unknown-redox
+    env:
+      TARGET: ${{ matrix.target }}
     steps:
       - uses: actions/checkout@v4
       - name: Setup Rust toolchain
-        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
+        run: ./ci/install-rust.sh
       - name: Execute run-docker.sh
-        run: sh ./ci/run-docker.sh ${{ matrix.target }}
+        run: ./ci/run-docker.sh ${{ matrix.target }}
 
-  solaris:
-    name: Solaris
+  test_tier2_vm:
+    name: Test tier2 VM
+    needs: [test_tier1, style_check]
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
@@ -207,40 +150,37 @@ jobs:
           mem: 4096
           copyback: false
           prepare: |
+            set -x
             source <(curl -s https://raw.githubusercontent.com/psumbera/solaris-rust/refs/heads/main/sh.rust-web-install)
-            echo "~~~~ rustc --version ~~~~"
             rustc --version
-            echo "~~~~ Solaris-version ~~~~"
             uname -a
           run: |
             export PATH=$HOME/.rust_solaris/bin:$PATH
-            bash ./ci/run.sh ${{ matrix.target }}
+            ./ci/run.sh ${{ matrix.target }}
 
   check_cfg:
     name: "Check #[cfg]s"
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
+    env:
+      TOOLCHAIN: nightly
     steps:
       - uses: actions/checkout@v4
       - name: Setup Rust toolchain
-        run: TOOLCHAIN=nightly sh ./ci/install-rust.sh
+        run: ./ci/install-rust.sh
       - name: Build with check-cfg
         run: LIBC_CHECK_CFG=1 cargo build -Z unstable-options -Z check-cfg
 
   # One job that "summarizes" the success state of this pipeline. This can then be added to branch
   # protection, rather than having to add each job separately.
   success:
     name: success
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     needs:
-      - docker_linux_tier1
-      - docker_linux_tier2
-      - macos
-      - windows
-      - solaris
       - style_check
-      - build_channels_linux
-      - build_channels_macos
-      - build_channels_windows
+      - test_tier1
+      - test_tier2
+      - test_tier2_vm
+      - verify_build
     # Github branch protection is exceedingly silly and treats "jobs skipped because a dependency
     # failed" as success. So we have to do some contortions to ensure the job fails if any of its
     # dependencies fails.

CONTRIBUTING.md

@@ -93,7 +93,7 @@ We have two automated tests running on
   - `cd libc-test && cargo test`
   - Use the `skip_*()` functions in `build.rs` if you really need a workaround.
 2. Style checker
-  - [`sh ci/style.sh`](https://github.com/rust-lang/libc/blob/main/ci/style.sh)
+  - [`./ci/style.sh`](https://github.com/rust-lang/libc/blob/main/ci/style.sh)
 
 ## Breaking change policy
 

ci/docker/aarch64-linux-android/Dockerfile

@@ -20,8 +20,8 @@ COPY android* /android/
 ENV ANDROID_ARCH=aarch64
 ENV PATH=$PATH:/android/linux-x86_64/bin:/android/sdk/cmdline-tools/tools:/android/sdk/platform-tools
 
-RUN sh /android/android-install-ndk.sh
-RUN sh /android/android-install-sdk.sh $ANDROID_ARCH
+RUN /android/android-install-ndk.sh
+RUN /android/android-install-sdk.sh $ANDROID_ARCH
 RUN mv /root/.android /tmp
 RUN chmod 777 -R /tmp/.android
 RUN chmod 755 /android/sdk/cmdline-tools/tools/* /android/sdk/emulator/qemu/linux-x86_64/*

ci/docker/aarch64-unknown-linux-musl/Dockerfile

@@ -5,7 +5,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc-aarch64-linux-gnu qemu-user
 
 COPY install-musl.sh /
-RUN sh /install-musl.sh aarch64
+RUN /install-musl.sh aarch64
 
 # FIXME: shouldn't need the `-lgcc` here, shouldn't that be in std?
 ENV PATH=$PATH:/musl-aarch64/bin:/rust/bin \

ci/docker/arm-linux-androideabi/Dockerfile

@@ -20,8 +20,8 @@ COPY android* /android/
 ENV ANDROID_ARCH=arm
 ENV PATH=$PATH:/android/linux-x86_64/bin:/android/sdk/cmdline-tools/tools:/android/sdk/platform-tools
 
-RUN sh /android/android-install-ndk.sh
-RUN sh /android/android-install-sdk.sh $ANDROID_ARCH
+RUN /android/android-install-ndk.sh
+RUN /android/android-install-sdk.sh $ANDROID_ARCH
 RUN mv /root/.android /tmp
 RUN chmod 777 -R /tmp/.android
 RUN chmod 755 /android/sdk/cmdline-tools/tools/* /android/sdk/emulator/qemu/linux-x86_64/*

ci/docker/arm-unknown-linux-musleabihf/Dockerfile

@@ -8,7 +8,7 @@ RUN sed -i -E 's/(archive|security)\.ubuntu\.com/old-releases.ubuntu.com/g' \
         gcc-arm-linux-gnueabihf qemu-user
 
 COPY install-musl.sh /
-RUN sh /install-musl.sh arm
+RUN /install-musl.sh arm
 
 ENV PATH=$PATH:/musl-arm/bin:/rust/bin \
     CC_arm_unknown_linux_musleabihf=musl-gcc \

ci/docker/asmjs-unknown-emscripten/Dockerfile

@@ -18,7 +18,7 @@ RUN apt-get install -y --no-install-recommends \
     bzip2
 
 COPY emscripten.sh /
-RUN bash /emscripten.sh
+RUN /emscripten.sh
 
 ENV PATH=$PATH:/rust/bin \
     CARGO_TARGET_ASMJS_UNKNOWN_EMSCRIPTEN_RUNNER=node

ci/docker/i686-linux-android/Dockerfile

@@ -20,8 +20,8 @@ COPY android* /android/
 ENV ANDROID_ARCH=i686
 ENV PATH=$PATH:/android/linux-x86_64/bin:/android/sdk/cmdline-tools/tools:/android/sdk/platform-tools
 
-RUN sh /android/android-install-ndk.sh
-RUN sh /android/android-install-sdk.sh $ANDROID_ARCH
+RUN /android/android-install-ndk.sh
+RUN /android/android-install-sdk.sh $ANDROID_ARCH
 RUN mv /root/.android /tmp
 RUN chmod 777 -R /tmp/.android
 RUN chmod 755 /android/sdk/cmdline-tools/tools/* /android/sdk/emulator/qemu/linux-x86_64/*

ci/docker/i686-unknown-linux-musl/Dockerfile

@@ -9,7 +9,7 @@ RUN sed -i -E 's/(archive|security)\.ubuntu\.com/old-releases.ubuntu.com/g' \
         gcc-multilib make libc6-dev git curl ca-certificates libc6-i386
 
 COPY install-musl.sh /
-RUN sh /install-musl.sh i686
+RUN /install-musl.sh i686
 
 ENV PATH=$PATH:/musl-i686/bin:/rust/bin \
     CC_i686_unknown_linux_musl=musl-gcc \

ci/docker/loongarch64-unknown-linux-musl/Dockerfile

@@ -4,7 +4,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         ca-certificates curl gcc git libc6-dev make qemu-user xz-utils
 
 COPY install-musl-cross.sh /
-RUN sh /install-musl-cross.sh loongarch64-unknown-linux-musl
+RUN /install-musl-cross.sh loongarch64-unknown-linux-musl
 
 ENV CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_MUSL_LINKER=loongarch64-unknown-linux-musl-gcc \
     CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_MUSL_RUNNER="qemu-loongarch64" \

ci/docker/s390x-unknown-linux-gnu/Dockerfile

@@ -8,7 +8,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         cpio
 
 COPY linux-s390x.sh /
-RUN bash /linux-s390x.sh
+RUN /linux-s390x.sh
 
 COPY test-runner-linux /