mirror of
https://github.com/rust-lang/rust.git
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109 lines
2.8 KiB
Rust
109 lines
2.8 KiB
Rust
use std::env;
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use std::fs;
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use std::io::Write;
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use std::path::Path;
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use std::process::{self, Command, Stdio};
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pub(crate) fn cargo_command(
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cargo: impl AsRef<Path>,
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subcommand: &str,
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triple: Option<&str>,
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source_dir: &Path,
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) -> Command {
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let mut cmd = Command::new(cargo.as_ref());
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cmd.arg(subcommand)
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.arg("--manifest-path")
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.arg(source_dir.join("Cargo.toml"))
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.arg("--target-dir")
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.arg(source_dir.join("target"));
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if let Some(triple) = triple {
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cmd.arg("--target").arg(triple);
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}
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cmd
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}
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pub(crate) fn hyperfine_command(
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warmup: u64,
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runs: u64,
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prepare: Option<Command>,
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a: Command,
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b: Command,
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) -> Command {
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let mut bench = Command::new("hyperfine");
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if warmup != 0 {
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bench.arg("--warmup").arg(warmup.to_string());
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}
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if runs != 0 {
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bench.arg("--runs").arg(runs.to_string());
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}
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if let Some(prepare) = prepare {
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bench.arg("--prepare").arg(format!("{:?}", prepare));
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}
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bench.arg(format!("{:?}", a)).arg(format!("{:?}", b));
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bench
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}
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#[track_caller]
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pub(crate) fn try_hard_link(src: impl AsRef<Path>, dst: impl AsRef<Path>) {
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let src = src.as_ref();
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let dst = dst.as_ref();
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if let Err(_) = fs::hard_link(src, dst) {
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fs::copy(src, dst).unwrap(); // Fallback to copying if hardlinking failed
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}
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}
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#[track_caller]
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pub(crate) fn spawn_and_wait(mut cmd: Command) {
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if !cmd.spawn().unwrap().wait().unwrap().success() {
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process::exit(1);
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}
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}
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#[track_caller]
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pub(crate) fn spawn_and_wait_with_input(mut cmd: Command, input: String) -> String {
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let mut child = cmd
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.spawn()
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.expect("Failed to spawn child process");
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let mut stdin = child.stdin.take().expect("Failed to open stdin");
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std::thread::spawn(move || {
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stdin.write_all(input.as_bytes()).expect("Failed to write to stdin");
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});
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let output = child.wait_with_output().expect("Failed to read stdout");
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if !output.status.success() {
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process::exit(1);
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}
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String::from_utf8(output.stdout).unwrap()
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}
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pub(crate) fn copy_dir_recursively(from: &Path, to: &Path) {
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for entry in fs::read_dir(from).unwrap() {
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let entry = entry.unwrap();
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let filename = entry.file_name();
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if filename == "." || filename == ".." {
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continue;
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}
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if entry.metadata().unwrap().is_dir() {
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fs::create_dir(to.join(&filename)).unwrap();
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copy_dir_recursively(&from.join(&filename), &to.join(&filename));
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} else {
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fs::copy(from.join(&filename), to.join(&filename)).unwrap();
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}
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}
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}
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pub(crate) fn is_ci() -> bool {
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env::var("CI").as_ref().map(|val| &**val) == Ok("true")
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}
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