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pxar: bin: show padding in debug output on archive list

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In addition to the entries, also show the padding encountered in-between
referenced payloads.

Example invocation: `PXAR_LOG=debug pxar list archive.mpxar`

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
This commit is contained in:
Christian Ebner 2024-03-25 14:15:11 +01:00 committed by Fabian Grünbichler
parent ee478ef1dc
commit 58bfb6bb49
1 changed files with 19 additions and 0 deletions
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19
pxar-bin/src/main.rs
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@ -16,6 +16,7 @@ use pbs_client::pxar::{
format_single_line_entry, Flags, OverwriteFlags, PxarExtractOptions, PxarWriters,
ENCODER_MAX_ENTRIES,
};
use pxar::EntryKind;
use proxmox_router::cli::*;
use proxmox_schema::api;
@ -483,10 +484,28 @@ fn dump_archive(archive: String, payload_input: Option<String>) -> Result<(), Er
pxar::PxarVariant::Unified(archive)
};
let mut last = None;
for entry in pxar::decoder::Decoder::open(input)? {
let entry = entry?;
if log::log_enabled!(log::Level::Debug) {
match entry.kind() {
EntryKind::File {
payload_offset: Some(offset),
size,
..
} => {
if let Some(last) = last {
let skipped = offset - last;
if skipped > 0 {
log::debug!("Encountered padding of {skipped} bytes");
}
}
last = Some(offset + size + std::mem::size_of::<pxar::format::Header>() as u64);
}
_ => (),
}
log::debug!("{}", format_single_line_entry(&entry));
} else {
log::info!("{:?}", entry.path());