clang-nightly #1

	name: clang-nightly

	on:
	schedule:
	# only at 5AM Saturday
	- cron: '0 5 * * SAT'

	env:
	# use the development branch explicitly
	CLANG_VERSION: 20
	BUILD_DIR: build

	permissions: {}

	# cancel the in-progress run upon a repush
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	clang-dev:
	name: Build with clang nightly
	if: github.repository == 'scylladb/scylladb'
	runs-on: ubuntu-latest
	container: fedora:40
	strategy:
	matrix:
	build_type:
	- Debug
	- RelWithDebInfo
	- Dev
	steps:
	- run: \|
	sudo dnf -y install git
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install build dependencies
	run: \|
	# use the copr repo for llvm snapshot builds, see
	# https://copr.fedorainfracloud.org/coprs/g/fedora-llvm-team/llvm-snapshots/
	sudo dnf -y install 'dnf-command(copr)'
	sudo dnf copr enable -y @fedora-llvm-team/llvm-snapshots
	# do not install java dependencies, which is not only not used here
	sed -i.orig \
	-e '/tools\/.*\/install-dependencies.sh/d' \
	-e 's/(minio_download_jobs)/(true)/' \
	./install-dependencies.sh
	sudo ./install-dependencies.sh
	sudo dnf -y install lld
	- name: Generate the building system
	run: \|
	cmake \
	-DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
	-DCMAKE_C_COMPILER=clang-$CLANG_VERSION \
	-DCMAKE_CXX_COMPILER=clang++-$CLANG_VERSION \
	-G Ninja \
	-B $BUILD_DIR \
	-S .
	# see https://github.com/actions/toolkit/blob/main/docs/problem-matchers.md
	- run: \|
	echo "::add-matcher::.github/clang-matcher.json"
	- run: \|
	cmake --build $BUILD_DIR --target scylla
	- run: \|
	echo "::remove-matcher owner=clang::"

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