127 lines
4.2 KiB
Rust
127 lines
4.2 KiB
Rust
use std::ffi::OsStr;
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use std::ffi::OsString;
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use std::fs;
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use std::path::Path;
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use std::path::PathBuf;
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use std::process::Command;
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use crate::rustc_info::get_rustc_path;
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use crate::utils::copy_dir_recursively;
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use crate::utils::spawn_and_wait;
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pub(crate) fn prepare() {
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prepare_sysroot();
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eprintln!("[INSTALL] hyperfine");
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Command::new("cargo").arg("install").arg("hyperfine").spawn().unwrap().wait().unwrap();
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clone_repo(
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"rand",
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"https://github.com/rust-random/rand.git",
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"0f933f9c7176e53b2a3c7952ded484e1783f0bf1",
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);
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apply_patches("crate_patches", "rand", Path::new("rand"));
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clone_repo(
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"regex",
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"https://github.com/rust-lang/regex.git",
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"341f207c1071f7290e3f228c710817c280c8dca1",
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);
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clone_repo(
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"simple-raytracer",
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"https://github.com/ebobby/simple-raytracer",
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"804a7a21b9e673a482797aa289a18ed480e4d813",
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);
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eprintln!("[LLVM BUILD] simple-raytracer");
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let mut build_cmd = Command::new("cargo");
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build_cmd.arg("build").env_remove("CARGO_TARGET_DIR").current_dir("simple-raytracer");
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spawn_and_wait(build_cmd);
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fs::copy("simple-raytracer/target/debug/main", "simple-raytracer/raytracer_cg_llvm").unwrap();
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}
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fn prepare_sysroot() {
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let rustc_path = get_rustc_path();
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let sysroot_src_orig = rustc_path.parent().unwrap().join("../lib/rustlib/src/rust");
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let sysroot_src = PathBuf::from("build_sysroot").canonicalize().unwrap().join("sysroot_src");
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assert!(sysroot_src_orig.exists());
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if sysroot_src.exists() {
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fs::remove_dir_all(&sysroot_src).unwrap();
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}
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fs::create_dir_all(sysroot_src.join("library")).unwrap();
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eprintln!("[COPY] sysroot src");
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copy_dir_recursively(&sysroot_src_orig.join("library"), &sysroot_src.join("library"));
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eprintln!("[GIT] init");
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let mut git_init_cmd = Command::new("git");
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git_init_cmd.arg("init").arg("-q").current_dir(&sysroot_src);
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spawn_and_wait(git_init_cmd);
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let mut git_add_cmd = Command::new("git");
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git_add_cmd.arg("add").arg(".").current_dir(&sysroot_src);
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spawn_and_wait(git_add_cmd);
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let mut git_commit_cmd = Command::new("git");
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git_commit_cmd
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.arg("commit")
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.arg("-m")
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.arg("Initial commit")
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.arg("-q")
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.current_dir(&sysroot_src);
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spawn_and_wait(git_commit_cmd);
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apply_patches("patches", "sysroot", &sysroot_src);
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clone_repo(
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"build_sysroot/compiler-builtins",
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"https://github.com/rust-lang/compiler-builtins.git",
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"0.1.45",
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);
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apply_patches(
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"crate_patches",
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"compiler-builtins",
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Path::new("build_sysroot/compiler-builtins"),
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);
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}
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fn clone_repo(target_dir: &str, repo: &str, rev: &str) {
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eprintln!("[CLONE] {}", repo);
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// Ignore exit code as the repo may already have been checked out
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Command::new("git").arg("clone").arg(repo).arg(target_dir).spawn().unwrap().wait().unwrap();
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let mut clean_cmd = Command::new("git");
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clean_cmd.arg("checkout").arg("--").arg(".").current_dir(target_dir);
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spawn_and_wait(clean_cmd);
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let mut checkout_cmd = Command::new("git");
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checkout_cmd.arg("checkout").arg("-q").arg(rev).current_dir(target_dir);
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spawn_and_wait(checkout_cmd);
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}
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fn get_patches(patch_dir: &str, crate_name: &str) -> Vec<OsString> {
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let mut patches: Vec<_> = fs::read_dir(patch_dir)
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.unwrap()
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.map(|entry| entry.unwrap().path())
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.filter(|path| path.extension() == Some(OsStr::new("patch")))
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.map(|path| path.file_name().unwrap().to_owned())
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.filter(|file_name| {
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file_name.to_str().unwrap().split_once("-").unwrap().1.starts_with(crate_name)
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})
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.collect();
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patches.sort();
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patches
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}
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fn apply_patches(patch_dir: &str, crate_name: &str, target_dir: &Path) {
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for patch in get_patches(patch_dir, crate_name) {
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eprintln!("[PATCH] {:?} <- {:?}", target_dir.file_name().unwrap(), patch);
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let patch_arg = Path::new(patch_dir).join(patch).canonicalize().unwrap();
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let mut apply_patch_cmd = Command::new("git");
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apply_patch_cmd.arg("am").arg(patch_arg).arg("-q").current_dir(target_dir);
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spawn_and_wait(apply_patch_cmd);
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}
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}
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