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Code Issues Projects Releases Packages Wiki Activity Actions 3

Overwrite individual files when reflinking (#556)

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Similar to #516, but for individual files.

## Test Plan

Ran:

```sh
cargo run -p puffin-cli -- pip-uninstall plaid-python
mkdir -p /Users/crmarsh/workspace/puffin/.venv/lib/python3.10/site-packages/tests
echo "x=1" > /Users/crmarsh/workspace/puffin/.venv/lib/python3.10/site-packages/tests/__init__.py
cargo run -p puffin-cli -- pip-sync requirements.txt --no-cache --verbose
```
This commit is contained in:
Charlie Marsh 2023-12-04 18:59:35 -05:00 • committed by GitHub
parent 5fddcc362e
commit af13c83177
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 11 deletions
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27
crates/install-wheel-rs/src/linker.rs
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@ -256,7 +256,7 @@ fn clone_wheel_files(
// On macOS, directly can be recursively copied with a single `clonefile` call.
// So we only need to iterate over the top-level of the directory, and copy each file or
// subdirectory unless the subdirectory exists already in which case we'll need to recursively
// merge its contents with the existing direcotry.
// merge its contents with the existing directory.
for entry in fs::read_dir(wheel.as_ref())? {
let entry = entry?;
let from = entry.path();
@ -276,17 +276,22 @@ fn clone_recursive(from: &Path, to: &Path) -> Result<(), Error> {
debug!("Cloning {} to {}", from.display(), to.display());
let reflink = reflink_copy::reflink(from, to);
// If copying fails and the directory exists already, it must be merged recursively
if from.is_dir()
&& reflink
.as_ref()
.is_err_and(|err| matches!(err.kind(), std::io::ErrorKind::AlreadyExists))
if reflink
.as_ref()
.is_err_and(|err| matches!(err.kind(), std::io::ErrorKind::AlreadyExists))
{
for entry in fs::read_dir(from)? {
let entry = entry?;
let child_from = entry.path();
let child_to = to.join(child_from.strip_prefix(from).unwrap());
clone_recursive(child_from.as_path(), child_to.as_path())?;
// If copying fails and the directory exists already, it must be merged recursively.
if from.is_dir() {
for entry in fs::read_dir(from)? {
let entry = entry?;
let child_from = entry.path();
let child_to = to.join(child_from.strip_prefix(from).unwrap());
clone_recursive(child_from.as_path(), child_to.as_path())?;
}
} else {
// If file already exists, remove it and overwrite.
fs::remove_file(to)?;
reflink_copy::reflink(from, to)?;
}
} else {
// Other errors should be tracked