use std::env; use std::ffi::OsStr; use std::ffi::OsString; use std::fs; use std::path::Path; use std::process::Command; use super::rustc_info::{get_file_name, get_rustc_path, get_rustc_version}; use super::utils::{copy_dir_recursively, spawn_and_wait}; pub(crate) fn prepare() { prepare_sysroot(); eprintln!("[INSTALL] hyperfine"); Command::new("cargo").arg("install").arg("hyperfine").spawn().unwrap().wait().unwrap(); clone_repo_shallow_github( "rand", "rust-random", "rand", "0f933f9c7176e53b2a3c7952ded484e1783f0bf1", ); apply_patches("rand", Path::new("rand")); clone_repo_shallow_github( "regex", "rust-lang", "regex", "341f207c1071f7290e3f228c710817c280c8dca1", ); clone_repo_shallow_github( "portable-simd", "rust-lang", "portable-simd", "b8d6b6844602f80af79cd96401339ec594d472d8", ); apply_patches("portable-simd", Path::new("portable-simd")); clone_repo_shallow_github( "simple-raytracer", "ebobby", "simple-raytracer", "804a7a21b9e673a482797aa289a18ed480e4d813", ); eprintln!("[LLVM BUILD] simple-raytracer"); let mut build_cmd = Command::new("cargo"); build_cmd.arg("build").env_remove("CARGO_TARGET_DIR").current_dir("simple-raytracer"); spawn_and_wait(build_cmd); fs::copy( Path::new("simple-raytracer/target/debug").join(get_file_name("main", "bin")), // FIXME use get_file_name here too once testing is migrated to rust "simple-raytracer/raytracer_cg_llvm", ) .unwrap(); } fn prepare_sysroot() { let rustc_path = get_rustc_path(); let sysroot_src_orig = rustc_path.parent().unwrap().join("../lib/rustlib/src/rust"); let sysroot_src = env::current_dir().unwrap().join("build_sysroot").join("sysroot_src"); assert!(sysroot_src_orig.exists()); if sysroot_src.exists() { fs::remove_dir_all(&sysroot_src).unwrap(); } fs::create_dir_all(sysroot_src.join("library")).unwrap(); eprintln!("[COPY] sysroot src"); copy_dir_recursively(&sysroot_src_orig.join("library"), &sysroot_src.join("library")); let rustc_version = get_rustc_version(); fs::write(Path::new("build_sysroot").join("rustc_version"), &rustc_version).unwrap(); eprintln!("[GIT] init"); let mut git_init_cmd = Command::new("git"); git_init_cmd.arg("init").arg("-q").current_dir(&sysroot_src); spawn_and_wait(git_init_cmd); init_git_repo(&sysroot_src); apply_patches("sysroot", &sysroot_src); } #[allow(dead_code)] fn clone_repo(target_dir: &str, repo: &str, rev: &str) { eprintln!("[CLONE] {}", repo); // Ignore exit code as the repo may already have been checked out Command::new("git").arg("clone").arg(repo).arg(target_dir).spawn().unwrap().wait().unwrap(); let mut clean_cmd = Command::new("git"); clean_cmd.arg("checkout").arg("--").arg(".").current_dir(target_dir); spawn_and_wait(clean_cmd); let mut checkout_cmd = Command::new("git"); checkout_cmd.arg("checkout").arg("-q").arg(rev).current_dir(target_dir); spawn_and_wait(checkout_cmd); } fn clone_repo_shallow_github(target_dir: &str, username: &str, repo: &str, rev: &str) { if cfg!(windows) { // Older windows doesn't have tar or curl by default. Fall back to using git. clone_repo(target_dir, &format!("https://github.com/{}/{}.git", username, repo), rev); return; } let archive_url = format!("https://github.com/{}/{}/archive/{}.tar.gz", username, repo, rev); let archive_file = format!("{}.tar.gz", rev); let archive_dir = format!("{}-{}", repo, rev); eprintln!("[DOWNLOAD] {}/{} from {}", username, repo, archive_url); // Remove previous results if they exists let _ = std::fs::remove_file(&archive_file); let _ = std::fs::remove_dir_all(&archive_dir); let _ = std::fs::remove_dir_all(target_dir); // Download zip archive let mut download_cmd = Command::new("curl"); download_cmd.arg("--location").arg("--output").arg(&archive_file).arg(archive_url); spawn_and_wait(download_cmd); // Unpack tar archive let mut unpack_cmd = Command::new("tar"); unpack_cmd.arg("xf").arg(&archive_file); spawn_and_wait(unpack_cmd); // Rename unpacked dir to the expected name std::fs::rename(archive_dir, target_dir).unwrap(); init_git_repo(Path::new(target_dir)); // Cleanup std::fs::remove_file(archive_file).unwrap(); } fn init_git_repo(repo_dir: &Path) { let mut git_init_cmd = Command::new("git"); git_init_cmd.arg("init").arg("-q").current_dir(repo_dir); spawn_and_wait(git_init_cmd); let mut git_add_cmd = Command::new("git"); git_add_cmd.arg("add").arg(".").current_dir(repo_dir); spawn_and_wait(git_add_cmd); let mut git_commit_cmd = Command::new("git"); git_commit_cmd.arg("commit").arg("-m").arg("Initial commit").arg("-q").current_dir(repo_dir); spawn_and_wait(git_commit_cmd); } fn get_patches(crate_name: &str) -> Vec { let mut patches: Vec<_> = fs::read_dir("patches") .unwrap() .map(|entry| entry.unwrap().path()) .filter(|path| path.extension() == Some(OsStr::new("patch"))) .map(|path| path.file_name().unwrap().to_owned()) .filter(|file_name| { file_name.to_str().unwrap().split_once("-").unwrap().1.starts_with(crate_name) }) .collect(); patches.sort(); patches } fn apply_patches(crate_name: &str, target_dir: &Path) { for patch in get_patches(crate_name) { eprintln!("[PATCH] {:?} <- {:?}", target_dir.file_name().unwrap(), patch); let patch_arg = env::current_dir().unwrap().join("patches").join(patch); let mut apply_patch_cmd = Command::new("git"); apply_patch_cmd.arg("am").arg(patch_arg).arg("-q").current_dir(target_dir); spawn_and_wait(apply_patch_cmd); } }