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use std::ffi::OsStr;
use std::fs;
use std::path::{Path, PathBuf};
use std::process::Command;
use super::build_sysroot::{BUILD_SYSROOT, ORIG_BUILD_SYSROOT, SYSROOT_RUSTC_VERSION, SYSROOT_SRC};
use super::path::{Dirs, RelPath};
use super::rustc_info::{get_default_sysroot, get_rustc_version};
use super::tests::LIBCORE_TESTS_SRC;
use super::utils::{copy_dir_recursively, git_command, retry_spawn_and_wait, spawn_and_wait};
pub(crate) fn prepare(dirs: &Dirs) {
RelPath::DOWNLOAD.ensure_fresh(dirs);
spawn_and_wait(super::build_backend::CG_CLIF.fetch("cargo", "rustc", dirs));
prepare_stdlib(dirs);
spawn_and_wait(super::build_sysroot::STANDARD_LIBRARY.fetch("cargo", "rustc", dirs));
prepare_coretests(dirs);
spawn_and_wait(super::tests::LIBCORE_TESTS.fetch("cargo", "rustc", dirs));
super::tests::RAND_REPO.fetch(dirs);
spawn_and_wait(super::tests::RAND.fetch("cargo", "rustc", dirs));
super::tests::REGEX_REPO.fetch(dirs);
spawn_and_wait(super::tests::REGEX.fetch("cargo", "rustc", dirs));
super::tests::PORTABLE_SIMD_REPO.fetch(dirs);
spawn_and_wait(super::tests::PORTABLE_SIMD.fetch("cargo", "rustc", dirs));
}
fn prepare_stdlib(dirs: &Dirs) {
let sysroot_src_orig = get_default_sysroot(Path::new("rustc")).join("lib/rustlib/src/rust");
assert!(sysroot_src_orig.exists());
eprintln!("[COPY] stdlib src");
// FIXME ensure builds error out or update the copy if any of the files copied here change
BUILD_SYSROOT.ensure_fresh(dirs);
copy_dir_recursively(&ORIG_BUILD_SYSROOT.to_path(dirs), &BUILD_SYSROOT.to_path(dirs));
fs::create_dir_all(SYSROOT_SRC.to_path(dirs).join("library")).unwrap();
copy_dir_recursively(
&sysroot_src_orig.join("library"),
&SYSROOT_SRC.to_path(dirs).join("library"),
);
let rustc_version = get_rustc_version(Path::new("rustc"));
fs::write(SYSROOT_RUSTC_VERSION.to_path(dirs), &rustc_version).unwrap();
eprintln!("[GIT] init");
init_git_repo(&SYSROOT_SRC.to_path(dirs));
apply_patches(dirs, "stdlib", &SYSROOT_SRC.to_path(dirs));
}
fn prepare_coretests(dirs: &Dirs) {
let sysroot_src_orig = get_default_sysroot(Path::new("rustc")).join("lib/rustlib/src/rust");
assert!(sysroot_src_orig.exists());
eprintln!("[COPY] coretests src");
fs::create_dir_all(LIBCORE_TESTS_SRC.to_path(dirs)).unwrap();
copy_dir_recursively(
&sysroot_src_orig.join("library/core/tests"),
&LIBCORE_TESTS_SRC.to_path(dirs),
);
eprintln!("[GIT] init");
init_git_repo(&LIBCORE_TESTS_SRC.to_path(dirs));
apply_patches(dirs, "coretests", &LIBCORE_TESTS_SRC.to_path(dirs));
}
pub(crate) struct GitRepo {
url: GitRepoUrl,
rev: &'static str,
patch_name: &'static str,
}
enum GitRepoUrl {
Github { user: &'static str, repo: &'static str },
}
impl GitRepo {
pub(crate) const fn github(
user: &'static str,
repo: &'static str,
rev: &'static str,
patch_name: &'static str,
) -> GitRepo {
GitRepo { url: GitRepoUrl::Github { user, repo }, rev, patch_name }
}
pub(crate) const fn source_dir(&self) -> RelPath {
match self.url {
GitRepoUrl::Github { user: _, repo } => RelPath::DOWNLOAD.join(repo),
}
}
pub(crate) fn fetch(&self, dirs: &Dirs) {
match self.url {
GitRepoUrl::Github { user, repo } => {
clone_repo_shallow_github(
dirs,
&self.source_dir().to_path(dirs),
user,
repo,
self.rev,
);
}
}
apply_patches(dirs, self.patch_name, &self.source_dir().to_path(dirs));
}
}
#[allow(dead_code)]
fn clone_repo(download_dir: &Path, repo: &str, rev: &str) {
eprintln!("[CLONE] {}", repo);
// Ignore exit code as the repo may already have been checked out
git_command(None, "clone").arg(repo).arg(download_dir).spawn().unwrap().wait().unwrap();
let mut clean_cmd = git_command(download_dir, "checkout");
clean_cmd.arg("--").arg(".");
spawn_and_wait(clean_cmd);
let mut checkout_cmd = git_command(download_dir, "checkout");
checkout_cmd.arg("-q").arg(rev);
spawn_and_wait(checkout_cmd);
}
fn clone_repo_shallow_github(dirs: &Dirs, download_dir: &Path, user: &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(download_dir, &format!("https://github.com/{}/{}.git", user, repo), rev);
return;
}
let archive_url = format!("https://github.com/{}/{}/archive/{}.tar.gz", user, repo, rev);
let archive_file = RelPath::DOWNLOAD.to_path(dirs).join(format!("{}.tar.gz", rev));
let archive_dir = RelPath::DOWNLOAD.to_path(dirs).join(format!("{}-{}", repo, rev));
eprintln!("[DOWNLOAD] {}/{} from {}", user, 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(&download_dir);
// Download zip archive
let mut download_cmd = Command::new("curl");
download_cmd
.arg("--max-time")
.arg("600")
.arg("-y")
.arg("30")
.arg("-Y")
.arg("10")
.arg("--connect-timeout")
.arg("30")
.arg("--continue-at")
.arg("-")
.arg("--location")
.arg("--output")
.arg(&archive_file)
.arg(archive_url);
retry_spawn_and_wait(5, download_cmd);
// Unpack tar archive
let mut unpack_cmd = Command::new("tar");
unpack_cmd.arg("xf").arg(&archive_file).current_dir(RelPath::DOWNLOAD.to_path(dirs));
spawn_and_wait(unpack_cmd);
// Rename unpacked dir to the expected name
std::fs::rename(archive_dir, &download_dir).unwrap();
init_git_repo(&download_dir);
// Cleanup
std::fs::remove_file(archive_file).unwrap();
}
fn init_git_repo(repo_dir: &Path) {
let mut git_init_cmd = git_command(repo_dir, "init");
git_init_cmd.arg("-q");
spawn_and_wait(git_init_cmd);
let mut git_add_cmd = git_command(repo_dir, "add");
git_add_cmd.arg(".");
spawn_and_wait(git_add_cmd);
let mut git_commit_cmd = git_command(repo_dir, "commit");
git_commit_cmd.arg("-m").arg("Initial commit").arg("-q");
spawn_and_wait(git_commit_cmd);
}
fn get_patches(dirs: &Dirs, crate_name: &str) -> Vec<PathBuf> {
let mut patches: Vec<_> = fs::read_dir(RelPath::PATCHES.to_path(dirs))
.unwrap()
.map(|entry| entry.unwrap().path())
.filter(|path| path.extension() == Some(OsStr::new("patch")))
.filter(|path| {
path.file_name()
.unwrap()
.to_str()
.unwrap()
.split_once("-")
.unwrap()
.1
.starts_with(crate_name)
})
.collect();
patches.sort();
patches
}
fn apply_patches(dirs: &Dirs, crate_name: &str, target_dir: &Path) {
if crate_name == "<none>" {
return;
}
for patch in get_patches(dirs, crate_name) {
eprintln!(
"[PATCH] {:?} <- {:?}",
target_dir.file_name().unwrap(),
patch.file_name().unwrap()
);
let mut apply_patch_cmd = git_command(target_dir, "am");
apply_patch_cmd.arg(patch).arg("-q");
spawn_and_wait(apply_patch_cmd);
}
}
|
