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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Mon, 27 May 2024 16:32:52 +0200
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Subject: [pbs-devel] [PATCH v7 proxmox-backup 38/69] pxar: 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>
---
changes since version 6:
- no changes

 pxar-bin/src/main.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/pxar-bin/src/main.rs b/pxar-bin/src/main.rs
index 17e468062..cfeddd9fa 100644
--- a/pxar-bin/src/main.rs
+++ b/pxar-bin/src/main.rs
@@ -9,6 +9,7 @@ use std::sync::Arc;
 use anyhow::{bail, format_err, Error};
 use futures::future::FutureExt;
 use futures::select;
+use pxar::EntryKind;
 use tokio::signal::unix::{signal, SignalKind};
 
 use pathpatterns::{MatchEntry, MatchType, PatternFlag};
@@ -479,6 +480,23 @@ fn dump_archive(archive: String, payload_input: Option<String>) -> Result<(), Er
         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());
-- 
2.39.2



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