From 192f7054a49023d15eff9790dc407bf0a7b3d5a1 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 26 Apr 2026 06:28:17 +1000
Subject: [PATCH] CI: migrate clang-format job to Github Actions

Unfortunately this requires regressing to clang-format 18 because 19 is
not easily available yet.
---
 .cirrus.yml              | 10 ----------
 .github/workflows/ci.yml | 12 ++++++++++++
 2 files changed, 12 insertions(+), 10 deletions(-)
 delete mode 100644 .cirrus.yml

diff --git a/.cirrus.yml b/.cirrus.yml
deleted file mode 100644
index 7d881f5..0000000
--- a/.cirrus.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-task:
-
-  # only test the main branch and pull requests
-  only_if: $CIRRUS_BRANCH == "main" || $CIRRUS_PR != ""
-
-  matrix:
-    - name: clang-format
-      container:
-        image: silkeh/clang:19
-      test_script: uname -rms && apt-get update -y && apt-get install --no-install-recommends -y git && git ls-files -z '**/*.c' '**/*.h' | xargs -0 -- clang-format --dry-run --style=file --Werror
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a32a35c..fb2ce8d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -111,3 +111,15 @@ jobs:
       - run: cmake --build build
       - run: cmake --build build --target check
       - run: sudo cmake --install build
+
+  clang_format:
+    name: Ubuntu 24.04, clang-format
+    runs-on: ubuntu-24.04
+    env:
+      DEBIAN_FRONTEND: noninteractive
+    steps:
+      - run: uname -rms
+      - run: echo "cloning ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}"
+      - run: git clone --no-checkout -- ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} wd
+      - run: cd wd && git fetch -- origin ${{ github.event.pull_request.head.sha }} && git checkout FETCH_HEAD
+      - run: cd wd && git ls-files -z '**/*.c' '**/*.h' | xargs -0 -- clang-format-18 --dry-run --style=file --Werror