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Fallback to copy if hardlinking failed (#237)

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konsti 2023-10-30 20:10:01 +01:00 • committed by GitHub
parent 1529def563
commit 35d6bd761b
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2 changed files with 16 additions and 3 deletions
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12
crates/install-wheel-rs/src/linker.rs
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@ -361,6 +361,9 @@ fn hardlink_wheel_files(
) -> Result<usize, Error> {
let mut count = 0usize;
// Avoid causing the same error for every file
let mut use_copy_fallback = false;
// Walk over the directory.
for entry in walkdir::WalkDir::new(&wheel) {
let entry = entry?;
@ -375,8 +378,15 @@ fn hardlink_wheel_files(
// Hardlink the file, unless it's the `RECORD` file, which we modify during installation.
if entry.path().ends_with("RECORD") {
fs::copy(entry.path(), &out_path)?;
} else if use_copy_fallback {
fs::copy(entry.path(), &out_path)?;
} else {
fs::hard_link(entry.path(), &out_path)?;
let hard_link_result = fs::hard_link(entry.path(), &out_path);
// Once https://github.com/rust-lang/rust/issues/86442 is stable, use that
if hard_link_result.is_err() {
fs::copy(entry.path(), &out_path)?;
use_copy_fallback = true;
}
}
count += 1;