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pbs-client: pxar: avoid some vec extensions

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The `Components` `Iterator` has an `as_path()` method to get
the remainder as a borrowed path. This is more efficient
iterating and joining the components into a new `PathBuf`.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2022-04-13 10:27:59 +02:00
parent 0bb4036f25
commit 7546e9c997
1 changed files with 8 additions and 12 deletions
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20
pbs-client/src/pxar/extract.rs
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@ -551,12 +551,9 @@ where
.await?
.ok_or(format_err!("error opening '{:?}'", path.as_ref()))?;
let mut prefix = PathBuf::new();
let mut components = file.entry().path().components();
components.next_back(); // discard last
for comp in components {
prefix.push(comp);
}
let prefix = components.as_path();
let mut tarencoder = proxmox_compression::tar::Builder::new(output);
let mut hardlinks: HashMap<PathBuf, PathBuf> = HashMap::new();
@ -568,7 +565,7 @@ where
let entry = entry.map_err(|err| format_err!("cannot decode entry: {}", err))?;
let metadata = entry.metadata();
let path = entry.path().strip_prefix(&prefix)?.to_path_buf();
let path = entry.path().strip_prefix(prefix)?.to_path_buf();
match entry.kind() {
EntryKind::File { .. } => {
@ -590,7 +587,7 @@ where
eprintln!("adding '{}' to tar", path.display());
}
let stripped_path = match realpath.strip_prefix(&prefix) {
let stripped_path = match realpath.strip_prefix(prefix) {
Ok(path) => path,
Err(_) => {
// outside of our tar archive, add the first occurrance to the tar
@ -717,12 +714,11 @@ where
.await?
.ok_or(format_err!("error opening '{:?}'", path.as_ref()))?;
let mut prefix = PathBuf::new();
let mut components = file.entry().path().components();
components.next_back(); // discar last
for comp in components {
prefix.push(comp);
}
let prefix = {
let mut components = file.entry().path().components();
components.next_back(); // discar last
components.as_path().to_owned()
};
let mut zipencoder = ZipEncoder::new(output);
let mut decoder = decoder;