From 1721c0316a335afec2bcb43a64166fb8baac8f04 Mon Sep 17 00:00:00 2001
From: link2xt <link2xt@testrun.org>
Date: Tue, 21 Jul 2026 10:53:04 +0000
Subject: [PATCH] feat: do not set backup_time in exported databases

backup_time is unused, it is only set, but nobody reads it.
---
 src/imex.rs          | 14 ++------------
 src/imex/transfer.rs |  4 ++--
 2 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/src/imex.rs b/src/imex.rs
index 14faeb3b9..012c2d5f8 100644
--- a/src/imex.rs
+++ b/src/imex.rs
@@ -453,7 +453,7 @@ async fn export_backup(context: &Context, dir: &Path, passphrase: String) -> Res
     let temp_db_path = TempPathGuard::new(temp_db_path);
     let temp_path = TempPathGuard::new(temp_path);
 
-    export_database(context, &temp_db_path, passphrase, now)
+    export_database(context, &temp_db_path, passphrase)
         .await
         .context("could not export database")?;
 
@@ -737,17 +737,11 @@ where
 /// overwritten.
 ///
 /// This also verifies that IO is not running during the export.
-async fn export_database(
-    context: &Context,
-    dest: &Path,
-    passphrase: String,
-    timestamp: i64,
-) -> Result<()> {
+async fn export_database(context: &Context, dest: &Path, passphrase: String) -> Result<()> {
     ensure!(
         !context.scheduler.is_running().await,
         "cannot export backup, IO is running"
     );
-    let timestamp = timestamp.try_into().context("32-bit UNIX time overflow")?;
 
     // TODO: Maybe introduce camino crate for UTF-8 paths where we need them.
     let dest = dest
@@ -755,10 +749,6 @@ async fn export_database(
         .with_context(|| format!("path {} is not valid unicode", dest.display()))?;
 
     context.set_config(Config::BccSelf, Some("1")).await?;
-    context
-        .sql
-        .set_raw_config_int("backup_time", timestamp)
-        .await?;
     context
         .sql
         .set_raw_config_int("backup_version", DCBACKUP_VERSION)
diff --git a/src/imex/transfer.rs b/src/imex/transfer.rs
index 9c3933b2a..d61cbd775 100644
--- a/src/imex/transfer.rs
+++ b/src/imex/transfer.rs
@@ -48,7 +48,7 @@ use crate::log::warn;
 use crate::message::Message;
 use crate::qr::Qr;
 use crate::stock_str::backup_transfer_msg_body;
-use crate::tools::{TempPathGuard, create_id, time};
+use crate::tools::{TempPathGuard, create_id};
 
 use super::{DBFILE_BACKUP_NAME, export_backup_stream, export_database, import_backup_stream};
 
@@ -130,7 +130,7 @@ impl BackupProvider {
 
         let passphrase = String::new();
 
-        export_database(context, &dbfile, passphrase, time())
+        export_database(context, &dbfile, passphrase)
             .await
             .context("Database export failed")?;