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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /compiler/rustc_codegen_cranelift/build_system/utils.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_codegen_cranelift/build_system/utils.rs')
-rw-r--r-- | compiler/rustc_codegen_cranelift/build_system/utils.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_cranelift/build_system/utils.rs b/compiler/rustc_codegen_cranelift/build_system/utils.rs new file mode 100644 index 000000000..12b5d70fa --- /dev/null +++ b/compiler/rustc_codegen_cranelift/build_system/utils.rs @@ -0,0 +1,35 @@ +use std::fs; +use std::path::Path; +use std::process::{self, Command}; + +#[track_caller] +pub(crate) fn try_hard_link(src: impl AsRef<Path>, dst: impl AsRef<Path>) { + let src = src.as_ref(); + let dst = dst.as_ref(); + if let Err(_) = fs::hard_link(src, dst) { + fs::copy(src, dst).unwrap(); // Fallback to copying if hardlinking failed + } +} + +#[track_caller] +pub(crate) fn spawn_and_wait(mut cmd: Command) { + if !cmd.spawn().unwrap().wait().unwrap().success() { + process::exit(1); + } +} + +pub(crate) fn copy_dir_recursively(from: &Path, to: &Path) { + for entry in fs::read_dir(from).unwrap() { + let entry = entry.unwrap(); + let filename = entry.file_name(); + if filename == "." || filename == ".." { + continue; + } + if entry.metadata().unwrap().is_dir() { + fs::create_dir(to.join(&filename)).unwrap(); + copy_dir_recursively(&from.join(&filename), &to.join(&filename)); + } else { + fs::copy(from.join(&filename), to.join(&filename)).unwrap(); + } + } +} |