chore: migrate from Cirrus CI to GHA

Author: JohnTitor

.cirrus.yml

@@ -274,11 +274,40 @@ jobs:
       fail-fast: true
       matrix:
         include:
+          # FIXME(#4740): FreeBSD 13 tests are extremely flaky and fail most of the time
+          # - release: "13.4"
+          #   target: x86_64-unknown-freebsd
+          - release: "15.0"
+            target: i686-unknown-freebsd
+          - release: "14.4"
+            target: x86_64-unknown-freebsd
+          - release: "15.0"
+            target: x86_64-unknown-freebsd
           - target: x86_64-pc-solaris
           - target: x86_64-unknown-netbsd
     timeout-minutes: 25
     steps:
       - uses: actions/checkout@v6
+      - name: Test on FreeBSD
+        uses: vmactions/freebsd-vm@v1.4.5
+        if: contains(matrix.target, 'freebsd')
+        with:
+          release: ${{ matrix.release }}
+          usesh: true
+          copyback: false
+          prepare: |
+            set -ex
+            pkg install -y libnghttp2 curl
+            curl https://sh.rustup.rs -sSf --output rustup.sh
+            sh rustup.sh -y --default-toolchain nightly --profile=minimal
+            . "$HOME/.cargo/env"
+            rustup target add ${{ matrix.target }}
+          run: |
+            set -ex
+            . "$HOME/.cargo/env"
+            LIBC_CI=1 ./ci/run.sh ${{ matrix.target }}
+            ./ci/run.sh ${{ matrix.target }}
+
       - name: test on Solaris
         uses: vmactions/solaris-vm@v1.3.2
         if: contains(matrix.target, 'solaris')
@@ -288,7 +317,7 @@ jobs:
           mem: 4096
           copyback: false
           prepare: |
-            set -x
+            set -ex
             source <(curl -s https://raw.githubusercontent.com/psumbera/solaris-rust/refs/heads/main/sh.rust-web-install)
             rustc --version
             uname -a
@@ -305,12 +334,12 @@ jobs:
           mem: 4096
           copyback: false
           prepare: |
-            set -x
+            set -ex
             /usr/sbin/pkg_add curl
             curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- \
               --profile minimal --default-toolchain nightly -y
           run: |
-            set -x
+            set -ex
             . "$HOME/.cargo/env"
             which rustc
             rustc -Vv

.github/workflows/ci.yaml

@@ -3,7 +3,7 @@ name = "libc"
 version = "1.0.0-alpha.3"
 keywords = ["libc", "ffi", "bindings", "operating", "system"]
 categories = ["external-ffi-bindings", "no-std", "os"]
-exclude = ["/ci/*", "/.github/*", "/.cirrus.yml", "/triagebot.toml"]
+exclude = ["/ci/*", "/.github/*", "/triagebot.toml"]
 description = "Raw FFI bindings to platform libraries like libc."
 authors = ["The Rust Project Developers"]
 edition = "2021"

Cargo.toml

@@ -1,6 +1,6 @@
 # libc - Raw FFI bindings to platforms' system libraries
 
-[![GHA Status]][GitHub Actions] [![Cirrus CI Status]][Cirrus CI] [![Latest Version]][crates.io] [![Documentation]][docs.rs] ![License]
+[![GHA Status]][GitHub Actions] [![Latest Version]][crates.io] [![Documentation]][docs.rs] ![License]
 
 `libc` provides all of the definitions necessary to easily interoperate with C
 code (or "C-like" code) on each of the platforms that Rust supports. This
@@ -67,8 +67,8 @@ you want to see.
 
 See [`ci/verify-build.py`](https://github.com/rust-lang/libc/blob/HEAD/ci/verify-build.py) for
 the platforms on which `libc` is guaranteed to build for each Rust toolchain.
-The test-matrix at [GitHub Actions] and [Cirrus CI] show the platforms in which
-`libc` tests are run.
+The test matrices at [GitHub Actions] show the platforms in which `libc` tests
+are run.
 
 <div class="platform_docs"></div>
 
@@ -102,8 +102,6 @@ dual licensed as above, without any additional terms or conditions.
 
 [GitHub Actions]: https://github.com/rust-lang/libc/actions
 [GHA Status]: https://github.com/rust-lang/libc/workflows/CI/badge.svg
-[Cirrus CI]: https://cirrus-ci.com/github/rust-lang/libc
-[Cirrus CI Status]: https://api.cirrus-ci.com/github/rust-lang/libc.svg
 [crates.io]: https://crates.io/crates/libc
 [Latest Version]: https://img.shields.io/crates/v/libc.svg
 [Documentation]: https://docs.rs/libc/badge.svg

README.md

@@ -20,9 +20,8 @@ First up, let's talk about the files in this directory:
 
 # CI Systems
 
-Currently this repository leverages a combination of GitHub Actions and Cirrus
-CI for running tests. You can find tested triples in [Actions config] or
-[Cirrus config].
+Currently this repository uses GitHub Actions workflows for running tests. You
+can find tested triples in [Actions config].
 
 The Windows triples are all pretty standard, they just set up their environment
 then run tests, no need for downloading any extra target libs (we just download
@@ -44,7 +43,6 @@ The remaining architectures look like:
   and compile/run tests. More information on that below.
 
 [Actions config]: https://github.com/rust-lang/libc/tree/HEAD/.github/workflows
-[Cirrus config]: https://github.com/rust-lang/libc/blob/HEAD/.cirrus.yml
 [android-docker]: https://github.com/rust-lang/libc/blob/HEAD/ci/docker/x86_64-linux-android/Dockerfile
 
 ## QEMU

ci/README.md

@@ -22,7 +22,6 @@ check-commits = "uncanonicalized"
 
 [autolabel."A-CI"]
 trigger_files = [
-    ".cirrus.yml",
     ".github",
     "ci",
 ]