Rust

refactor: make session startup less error-prone #108

	name: Rust

	on:
	push:
	branches: ["main"]
	paths:
	- "**.rs"
	- "**.toml"
	pull_request:
	branches: ["main"]
	paths:
	- "**.rs"
	- "**.toml"

	env:
	CARGO_TERM_COLOR: always
	AFL_PATH: $HOME/.local/bin/afl-fuzz

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	# Set up tool cache
	- name: Cache tools
	id: cache-tools
	uses: actions/cache@v3
	with:
	path: \|
	/usr/lib/llvm-18
	~/.cargo
	~/.local/bin
	key: ${{ runner.os }}-tools-llvm18-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: \|
	${{ runner.os }}-tools-llvm18-

	# Install tools if not cached
	- name: Install LLVM tools
	run: \|
	# Always create the symlinks since they're not cached
	if [ ! -d "/usr/lib/llvm-18" ]; then
	wget https://apt.llvm.org/llvm.sh
	chmod +x llvm.sh
	sudo ./llvm.sh 18
	sudo apt-get update
	sudo apt-get install -y lcov
	fi
	sudo ln -sf /usr/lib/llvm-18/bin/llvm-profdata /usr/local/bin/llvm-profdata
	sudo ln -sf /usr/lib/llvm-18/bin/llvm-cov /usr/local/bin/llvm-cov
	# Verify genhtml is available
	which genhtml \|\| sudo apt-get install -y lcov

	# Verify all required tools are available
	for tool in llvm-profdata llvm-cov genhtml lcov; do
	which $tool
	done

	- name: Add fake afl-fuzz into path
	run: \|
	mkdir -p $HOME/.local/bin
	cp /bin/ls $HOME/.local/bin/afl-fuzz
	echo "$HOME/.local/bin" >> $GITHUB_PATH

	- name: Build
	run: cargo build --verbose

	- name: Run tests
	run: cargo test --verbose

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