C++

Add Glacier2/session Demo to Java #1614

	name: C++

	on:
	workflow_dispatch:
	push:
	branches: ["main"]
	pull_request:
	# The branches below must be a subset of the branches above
	branches: ["main"]

	jobs:
	clang-format:
	runs-on: ubuntu-24.04
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Clang Format
	run: \|
	# This LLVM script will add the relevant LLVM PPA: https://apt.llvm.org/
	wget https://apt.llvm.org/llvm.sh -O /tmp/llvm.sh
	chmod +x /tmp/llvm.sh
	sudo /tmp/llvm.sh 19
	sudo apt-get install -y clang-format-19
	rm /tmp/llvm.sh
	clang-format-19 --version

	- name: Run Clang Format
	run: \|
	set -o pipefail
	find . -name ".h" -o -name ".cpp" \| xargs clang-format-19 --style=file --fallback-style=none --Werror --dry-run

	clang-tidy:
	runs-on: ubuntu-24.04
	steps:
	- name: Install clang-tidy
	run: \|
	# This LLVM script will add the relevant LLVM PPA: https://apt.llvm.org/
	wget https://apt.llvm.org/llvm.sh -O /tmp/llvm.sh
	chmod +x /tmp/llvm.sh
	sudo /tmp/llvm.sh 19
	sudo apt-get install -y clang-tidy-19
	rm /tmp/llvm.sh
	clang-tidy-19 --version

	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Nightly Ice Builds
	uses: ./.github/actions/install-nightly-ice

	- name: Run Clang Tidy
	timeout-minutes: 30
	working-directory: cpp
	env:
	CMAKE_BUILD_PARALLEL_LEVEL: 4
	run: \|
	set -o pipefail
	find . -name CMakeLists.txt -type f \| while IFS= read -r file; do
	dir=$(dirname "$file");
	cmake -B "$dir/build" -S "$dir" -DCMAKE_CXX_CLANG_TIDY="clang-tidy-19"
	cmake --build "$dir/build"
	done

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