mirror of https://github.com/rust-lang/rust.git
36 lines
1.0 KiB
Rust
36 lines
1.0 KiB
Rust
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use std::fs;
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use std::path::Path;
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use std::process::{self, Command};
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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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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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