Rust

Support multi-version Lua (5.3/5.4/5.5) with dynamic detection #11

	name: Rust

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	runs-on: ubuntu-24.04

	steps:
	- uses: actions/checkout@v4

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y \
	clang \
	llvm \
	libelf-dev \
	linux-tools-common \
	linux-tools-generic \
	libbpf-dev \
	linux-headers-$(uname -r)

	- name: Setup bpftool
	run: \|
	# Link bpftool from linux-tools
	sudo ln -sf /usr/lib/linux-tools/*/bpftool /usr/local/bin/bpftool \|\| true
	bpftool version

	- name: Generate vmlinux.h if BTF not available
	run: \|
	# Check if BTF is available on the runner
	if [ ! -f /sys/kernel/btf/vmlinux ]; then
	echo "BTF not available, downloading pre-generated vmlinux.h..."
	mkdir -p src/bpf
	# Use vmlinux.h from libbpf-bootstrap (covers common kernel structures)
	curl -sL https://raw.githubusercontent.com/libbpf/libbpf-bootstrap/master/vmlinux/vmlinux_608.h -o src/bpf/vmlinux.h
	echo "Downloaded vmlinux.h"
	else
	echo "BTF available at /sys/kernel/btf/vmlinux"
	fi

	- name: Setup Rust
	uses: dtolnay/rust-toolchain@stable

	- name: Build
	run: \|
	# If vmlinux.h was pre-generated, skip btf_dump in build.rs
	if [ -f src/bpf/vmlinux.h ]; then
	export SKIP_BTF_DUMP=1
	fi
	cargo build --verbose

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

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