Function main

scripts/coverage.rs:21–49

()

use std::process::{Command, Stdio};

fn main() {
    let root = find_repo_root();
    let args: Vec<_> = env::args().skip(1).collect();

    let profraw_dir = root.join("target/coverage-profraw");
    let profdata_file = root.join("target/coverage.profdata");
    let report_dir = root.join("report");

    if profraw_dir.exists() {
        fs::remove_dir_all(&profraw_dir).expect("failed to clean profraw dir");
    }
    fs::create_dir_all(&profraw_dir).expect("failed to create profraw dir");

    let llvm_profdata = find_llvm_tool("llvm-profdata");
    let llvm_cov = find_llvm_tool("llvm-cov");

    let mut rustflags = env::var("RUSTFLAGS").unwrap_or_default();
    if !rustflags.is_empty() {
        rustflags.push(' ');
    }
    rustflags.push_str("-C instrument-coverage");

    let profraw_pattern = profraw_dir.join("%m_%p.profraw");

    run_tests(&root, &args, &rustflags, &profraw_pattern);
    let binaries = discover_test_binaries(&root, &args, &rustflags, &profraw_pattern);
    merge_profraw(&llvm_profdata, &profraw_dir, &profdata_file);
    generate_report(&llvm_cov, &binaries, &profdata_file, &report_dir);
}

fn run_tests(root: &Path, args: &[String], rustflags: &str, profraw_pattern: &Path) {
    eprintln!("=== Running cargo test with coverage ===");