use std::cmp;
use std::collections::{HashMap, HashSet};
use std::env;
-use std::ffi::OsStr;
use std::fmt;
use std::fs;
use std::path::{Path, PathBuf};
use std::process::Command;
use std::str::FromStr;
-use crate::builder::{Builder, TaskPath};
+use crate::builder::TaskPath;
use crate::cache::{Interned, INTERNER};
-use crate::channel::GitInfo;
+use crate::channel::{self, GitInfo};
pub use crate::flags::Subcommand;
use crate::flags::{Color, Flags};
-use crate::util::{exe, output, program_out_of_date, t};
+use crate::util::{exe, output, t};
use once_cell::sync::OnceCell;
use serde::{Deserialize, Deserializer};
pub npm: Option<PathBuf>,
pub gdb: Option<PathBuf>,
pub python: Option<PathBuf>,
+ pub reuse: Option<PathBuf>,
pub cargo_native_static: bool,
pub configure_args: Vec<String>,
#[cfg(test)]
pub initial_rustfmt: RefCell<RustfmtState>,
pub out: PathBuf,
+ pub rust_info: channel::GitInfo,
}
#[derive(Default, Deserialize)]
nodejs: Option<String> = "nodejs",
npm: Option<String> = "npm",
python: Option<String> = "python",
+ reuse: Option<String> = "reuse",
locked_deps: Option<bool> = "locked-deps",
vendor: Option<bool> = "vendor",
full_bootstrap: Option<bool> = "full-bootstrap",
config.npm = build.npm.map(PathBuf::from);
config.gdb = build.gdb.map(PathBuf::from);
config.python = build.python.map(PathBuf::from);
+ config.reuse = build.reuse.map(PathBuf::from);
config.submodules = build.submodules;
set(&mut config.low_priority, build.low_priority);
set(&mut config.compiler_docs, build.compiler_docs);
config.rust_codegen_units_std = rust.codegen_units_std.map(threads_from_config);
config.rust_profile_use = flags.rust_profile_use.or(rust.profile_use);
config.rust_profile_generate = flags.rust_profile_generate.or(rust.profile_generate);
- config.download_rustc_commit = download_ci_rustc_commit(&config, rust.download_rustc);
+ config.download_rustc_commit = config.download_ci_rustc_commit(rust.download_rustc);
config.rust_lto = rust
.lto
let default = config.channel == "dev";
config.ignore_git = ignore_git.unwrap_or(default);
+ config.rust_info = GitInfo::new(config.ignore_git, &config.src);
let download_rustc = config.download_rustc_commit.is_some();
// See https://github.com/rust-lang/compiler-team/issues/326
/// Bootstrap embeds a version number into the name of shared libraries it uploads in CI.
/// Return the version it would have used for the given commit.
- pub(crate) fn artifact_version_part(&self, builder: &Builder<'_>, commit: &str) -> String {
- let (channel, version) = if builder.rust_info.is_managed_git_subrepository() {
+ pub(crate) fn artifact_version_part(&self, commit: &str) -> String {
+ let (channel, version) = if self.rust_info.is_managed_git_subrepository() {
let mut channel = self.git();
channel.arg("show").arg(format!("{}:src/ci/channel", commit));
let channel = output(&mut channel);
let version = output(&mut version);
(channel.trim().to_owned(), version.trim().to_owned())
} else {
- let channel = fs::read_to_string(builder.src.join("src/ci/channel"));
- let version = fs::read_to_string(builder.src.join("src/version"));
+ let channel = fs::read_to_string(self.src.join("src/ci/channel"));
+ let version = fs::read_to_string(self.src.join("src/version"));
match (channel, version) {
(Ok(channel), Ok(version)) => {
(channel.trim().to_owned(), version.trim().to_owned())
}
(channel, version) => {
- let src = builder.src.display();
+ let src = self.src.display();
eprintln!("error: failed to determine artifact channel and/or version");
eprintln!(
"help: consider using a git checkout or ensure these files are readable"
///
/// If `false`, llvm should be linked statically.
/// This is computed on demand since LLVM might have to first be downloaded from CI.
- pub(crate) fn llvm_link_shared(builder: &Builder<'_>) -> bool {
- let mut opt = builder.config.llvm_link_shared.get();
- if opt.is_none() && builder.config.dry_run() {
+ pub(crate) fn llvm_link_shared(&self) -> bool {
+ let mut opt = self.llvm_link_shared.get();
+ if opt.is_none() && self.dry_run() {
// just assume static for now - dynamic linking isn't supported on all platforms
return false;
}
let llvm_link_shared = *opt.get_or_insert_with(|| {
- if builder.config.llvm_from_ci {
- crate::native::maybe_download_ci_llvm(builder);
- let ci_llvm = builder.config.ci_llvm_root();
+ if self.llvm_from_ci {
+ self.maybe_download_ci_llvm();
+ let ci_llvm = self.ci_llvm_root();
let link_type = t!(
std::fs::read_to_string(ci_llvm.join("link-type.txt")),
format!("CI llvm missing: {}", ci_llvm.display())
false
}
});
- builder.config.llvm_link_shared.set(opt);
+ self.llvm_link_shared.set(opt);
llvm_link_shared
}
/// Return whether we will use a downloaded, pre-compiled version of rustc, or just build from source.
- pub(crate) fn download_rustc(builder: &Builder<'_>) -> bool {
+ pub(crate) fn download_rustc(&self) -> bool {
static DOWNLOAD_RUSTC: OnceCell<bool> = OnceCell::new();
- if builder.config.dry_run() && DOWNLOAD_RUSTC.get().is_none() {
+ if self.dry_run() && DOWNLOAD_RUSTC.get().is_none() {
// avoid trying to actually download the commit
return false;
}
- *DOWNLOAD_RUSTC.get_or_init(|| match &builder.config.download_rustc_commit {
+ *DOWNLOAD_RUSTC.get_or_init(|| match &self.download_rustc_commit {
None => false,
Some(commit) => {
- download_ci_rustc(builder, commit);
+ self.download_ci_rustc(commit);
true
}
})
}
- pub(crate) fn initial_rustfmt(builder: &Builder<'_>) -> Option<PathBuf> {
- match &mut *builder.config.initial_rustfmt.borrow_mut() {
+ pub(crate) fn initial_rustfmt(&self) -> Option<PathBuf> {
+ match &mut *self.initial_rustfmt.borrow_mut() {
RustfmtState::SystemToolchain(p) | RustfmtState::Downloaded(p) => Some(p.clone()),
RustfmtState::Unavailable => None,
r @ RustfmtState::LazyEvaluated => {
- if builder.config.dry_run() {
+ if self.dry_run() {
return Some(PathBuf::new());
}
- let path = maybe_download_rustfmt(builder);
+ let path = self.maybe_download_rustfmt();
*r = if let Some(p) = &path {
RustfmtState::Downloaded(p.clone())
} else {
}
}
- pub fn verbose(&self) -> bool {
- self.verbose > 0
+ pub fn verbose(&self, msg: &str) {
+ if self.verbose > 0 {
+ println!("{}", msg);
+ }
}
pub fn sanitizers_enabled(&self, target: TargetSelection) -> bool {
pub fn submodules(&self, rust_info: &GitInfo) -> bool {
self.submodules.unwrap_or(rust_info.is_managed_git_subrepository())
}
-}
-
-fn set<T>(field: &mut T, val: Option<T>) {
- if let Some(v) = val {
- *field = v;
- }
-}
-fn threads_from_config(v: u32) -> u32 {
- match v {
- 0 => std::thread::available_parallelism().map_or(1, std::num::NonZeroUsize::get) as u32,
- n => n,
- }
-}
+ /// Returns the commit to download, or `None` if we shouldn't download CI artifacts.
+ fn download_ci_rustc_commit(&self, download_rustc: Option<StringOrBool>) -> Option<String> {
+ // If `download-rustc` is not set, default to rebuilding.
+ let if_unchanged = match download_rustc {
+ None | Some(StringOrBool::Bool(false)) => return None,
+ Some(StringOrBool::Bool(true)) => false,
+ Some(StringOrBool::String(s)) if s == "if-unchanged" => true,
+ Some(StringOrBool::String(other)) => {
+ panic!("unrecognized option for download-rustc: {}", other)
+ }
+ };
-/// Returns the commit to download, or `None` if we shouldn't download CI artifacts.
-fn download_ci_rustc_commit(
- config: &Config,
- download_rustc: Option<StringOrBool>,
-) -> Option<String> {
- // If `download-rustc` is not set, default to rebuilding.
- let if_unchanged = match download_rustc {
- None | Some(StringOrBool::Bool(false)) => return None,
- Some(StringOrBool::Bool(true)) => false,
- Some(StringOrBool::String(s)) if s == "if-unchanged" => true,
- Some(StringOrBool::String(other)) => {
- panic!("unrecognized option for download-rustc: {}", other)
+ // Handle running from a directory other than the top level
+ let top_level = output(self.git().args(&["rev-parse", "--show-toplevel"]));
+ let top_level = top_level.trim_end();
+ let compiler = format!("{top_level}/compiler/");
+ let library = format!("{top_level}/library/");
+
+ // Look for a version to compare to based on the current commit.
+ // Only commits merged by bors will have CI artifacts.
+ let merge_base = output(
+ self.git()
+ .arg("rev-list")
+ .arg(format!("--author={}", self.stage0_metadata.config.git_merge_commit_email))
+ .args(&["-n1", "--first-parent", "HEAD"]),
+ );
+ let commit = merge_base.trim_end();
+ if commit.is_empty() {
+ println!("error: could not find commit hash for downloading rustc");
+ println!("help: maybe your repository history is too shallow?");
+ println!("help: consider disabling `download-rustc`");
+ println!("help: or fetch enough history to include one upstream commit");
+ crate::detail_exit(1);
}
- };
-
- // Handle running from a directory other than the top level
- let top_level = output(config.git().args(&["rev-parse", "--show-toplevel"]));
- let top_level = top_level.trim_end();
- let compiler = format!("{top_level}/compiler/");
- let library = format!("{top_level}/library/");
- // Look for a version to compare to based on the current commit.
- // Only commits merged by bors will have CI artifacts.
- let merge_base = output(
- config
+ // Warn if there were changes to the compiler or standard library since the ancestor commit.
+ let has_changes = !t!(self
.git()
- .arg("rev-list")
- .arg(format!("--author={}", config.stage0_metadata.config.git_merge_commit_email))
- .args(&["-n1", "--first-parent", "HEAD"]),
- );
- let commit = merge_base.trim_end();
- if commit.is_empty() {
- println!("error: could not find commit hash for downloading rustc");
- println!("help: maybe your repository history is too shallow?");
- println!("help: consider disabling `download-rustc`");
- println!("help: or fetch enough history to include one upstream commit");
- crate::detail_exit(1);
- }
-
- // Warn if there were changes to the compiler or standard library since the ancestor commit.
- let has_changes = !t!(config
- .git()
- .args(&["diff-index", "--quiet", &commit, "--", &compiler, &library])
- .status())
- .success();
- if has_changes {
- if if_unchanged {
- if config.verbose > 0 {
- println!(
- "warning: saw changes to compiler/ or library/ since {commit}; \
- ignoring `download-rustc`"
- );
+ .args(&["diff-index", "--quiet", &commit, "--", &compiler, &library])
+ .status())
+ .success();
+ if has_changes {
+ if if_unchanged {
+ if self.verbose > 0 {
+ println!(
+ "warning: saw changes to compiler/ or library/ since {commit}; \
+ ignoring `download-rustc`"
+ );
+ }
+ return None;
}
- return None;
+ println!(
+ "warning: `download-rustc` is enabled, but there are changes to \
+ compiler/ or library/"
+ );
}
- println!(
- "warning: `download-rustc` is enabled, but there are changes to \
- compiler/ or library/"
- );
- }
-
- Some(commit.to_string())
-}
-
-fn maybe_download_rustfmt(builder: &Builder<'_>) -> Option<PathBuf> {
- let RustfmtMetadata { date, version } = builder.config.stage0_metadata.rustfmt.as_ref()?;
- let channel = format!("{version}-{date}");
- let host = builder.config.build;
- let rustfmt_path = builder.config.initial_rustc.with_file_name(exe("rustfmt", host));
- let bin_root = builder.config.out.join(host.triple).join("stage0");
- let rustfmt_stamp = bin_root.join(".rustfmt-stamp");
- if rustfmt_path.exists() && !program_out_of_date(&rustfmt_stamp, &channel) {
- return Some(rustfmt_path);
+ Some(commit.to_string())
}
-
- let filename = format!("rustfmt-{version}-{build}.tar.xz", build = host.triple);
- download_component(builder, DownloadSource::Dist, filename, "rustfmt-preview", &date, "stage0");
-
- builder.fix_bin_or_dylib(&bin_root.join("bin").join("rustfmt"));
- builder.fix_bin_or_dylib(&bin_root.join("bin").join("cargo-fmt"));
-
- builder.create(&rustfmt_stamp, &channel);
- Some(rustfmt_path)
}
-fn download_ci_rustc(builder: &Builder<'_>, commit: &str) {
- builder.verbose(&format!("using downloaded stage2 artifacts from CI (commit {commit})"));
- let version = builder.config.artifact_version_part(builder, commit);
- let host = builder.config.build.triple;
- let bin_root = builder.out.join(host).join("ci-rustc");
- let rustc_stamp = bin_root.join(".rustc-stamp");
-
- if !bin_root.join("bin").join("rustc").exists() || program_out_of_date(&rustc_stamp, commit) {
- if bin_root.exists() {
- t!(fs::remove_dir_all(&bin_root));
- }
- let filename = format!("rust-std-{version}-{host}.tar.xz");
- let pattern = format!("rust-std-{host}");
- download_ci_component(builder, filename, &pattern, commit);
- let filename = format!("rustc-{version}-{host}.tar.xz");
- download_ci_component(builder, filename, "rustc", commit);
- // download-rustc doesn't need its own cargo, it can just use beta's.
- let filename = format!("rustc-dev-{version}-{host}.tar.xz");
- download_ci_component(builder, filename, "rustc-dev", commit);
-
- builder.fix_bin_or_dylib(&bin_root.join("bin").join("rustc"));
- builder.fix_bin_or_dylib(&bin_root.join("bin").join("rustdoc"));
- let lib_dir = bin_root.join("lib");
- for lib in t!(fs::read_dir(&lib_dir), lib_dir.display().to_string()) {
- let lib = t!(lib);
- if lib.path().extension() == Some(OsStr::new("so")) {
- builder.fix_bin_or_dylib(&lib.path());
- }
- }
- t!(fs::write(rustc_stamp, commit));
+fn set<T>(field: &mut T, val: Option<T>) {
+ if let Some(v) = val {
+ *field = v;
}
}
-pub(crate) enum DownloadSource {
- CI,
- Dist,
-}
-
-/// Download a single component of a CI-built toolchain (not necessarily a published nightly).
-// NOTE: intentionally takes an owned string to avoid downloading multiple times by accident
-fn download_ci_component(builder: &Builder<'_>, filename: String, prefix: &str, commit: &str) {
- download_component(builder, DownloadSource::CI, filename, prefix, commit, "ci-rustc")
-}
-
-fn download_component(
- builder: &Builder<'_>,
- mode: DownloadSource,
- filename: String,
- prefix: &str,
- key: &str,
- destination: &str,
-) {
- let cache_dst = builder.out.join("cache");
- let cache_dir = cache_dst.join(key);
- if !cache_dir.exists() {
- t!(fs::create_dir_all(&cache_dir));
- }
-
- let bin_root = builder.out.join(builder.config.build.triple).join(destination);
- let tarball = cache_dir.join(&filename);
- let (base_url, url, should_verify) = match mode {
- DownloadSource::CI => (
- builder.config.stage0_metadata.config.artifacts_server.clone(),
- format!("{key}/{filename}"),
- false,
- ),
- DownloadSource::Dist => {
- let dist_server = env::var("RUSTUP_DIST_SERVER")
- .unwrap_or(builder.config.stage0_metadata.config.dist_server.to_string());
- // NOTE: make `dist` part of the URL because that's how it's stored in src/stage0.json
- (dist_server, format!("dist/{key}/{filename}"), true)
- }
- };
-
- // For the beta compiler, put special effort into ensuring the checksums are valid.
- // FIXME: maybe we should do this for download-rustc as well? but it would be a pain to update
- // this on each and every nightly ...
- let checksum = if should_verify {
- let error = format!(
- "src/stage0.json doesn't contain a checksum for {url}. \
- Pre-built artifacts might not be available for this \
- target at this time, see https://doc.rust-lang.org/nightly\
- /rustc/platform-support.html for more information."
- );
- let sha256 = builder.config.stage0_metadata.checksums_sha256.get(&url).expect(&error);
- if tarball.exists() {
- if builder.verify(&tarball, sha256) {
- builder.unpack(&tarball, &bin_root, prefix);
- return;
- } else {
- builder.verbose(&format!(
- "ignoring cached file {} due to failed verification",
- tarball.display()
- ));
- builder.remove(&tarball);
- }
- }
- Some(sha256)
- } else if tarball.exists() {
- builder.unpack(&tarball, &bin_root, prefix);
- return;
- } else {
- None
- };
-
- builder.download_component(&format!("{base_url}/{url}"), &tarball, "");
- if let Some(sha256) = checksum {
- if !builder.verify(&tarball, sha256) {
- panic!("failed to verify {}", tarball.display());
- }
+fn threads_from_config(v: u32) -> u32 {
+ match v {
+ 0 => std::thread::available_parallelism().map_or(1, std::num::NonZeroUsize::get) as u32,
+ n => n,
}
-
- builder.unpack(&tarball, &bin_root, prefix);
}