[pbs-devel] applied: [PATCH backup v3 1/3] use truncate whenever we create files

["Fabian Grünbichler" <f.gruenbichler@proxmox.com>]

On January 27, 2025 1:10 pm, Maximiliano Sandoval wrote:
> Fixes the suspicious_open_options clippy lint, for example:
> 
> ```
> warning: file opened with `create`, but `truncate` behavior not defined
>     --> src/api2/tape/restore.rs:1713:18
>      |
> 1713 |                 .create(true)
>      |                  ^^^^^^^^^^^^- help: add: `.truncate(true)`
>      |
>      = help: if you intend to overwrite an existing file entirely, call `.truncate(true)`
>      = help: if you instead know that you may want to keep some parts of the old file, call `.truncate(false)`
>      = help: alternatively, use `.append(true)` to append to the file instead of overwriting it
>      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_open_options
> ```
> 
> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
> ---
> Differences from v1:
>  - Follow overwrite_flags in pxar extract
> 
>  src/api2/tape/restore.rs | 1 +
>  src/server/sync.rs       | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/src/api2/tape/restore.rs b/src/api2/tape/restore.rs
> index 93a6053b..2cc1baab 100644
> --- a/src/api2/tape/restore.rs
> +++ b/src/api2/tape/restore.rs
> @@ -1711,6 +1711,7 @@ fn try_restore_snapshot_archive<R: pxar::decoder::SeqRead>(
>              let mut tmpfile = std::fs::OpenOptions::new()
>                  .write(true)
>                  .create(true)
> +                .truncate(true)
>                  .read(true)
>                  .open(&tmp_path)
>                  .map_err(|err| format_err!("restore {:?} failed - {}", tmp_path, err))?;
> diff --git a/src/server/sync.rs b/src/server/sync.rs
> index 5e3fbdcd..4dd46c5a 100644
> --- a/src/server/sync.rs
> +++ b/src/server/sync.rs
> @@ -159,6 +159,7 @@ impl SyncSourceReader for RemoteSourceReader {
>          let tmpfile = std::fs::OpenOptions::new()
>              .write(true)
>              .create(true)
> +            .truncate(true)
>              .read(true)
>              .open(&tmp_path)?;
>  
> -- 
> 2.39.5
> 
> 
> 
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> 
> 


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