From 58e307bc6df66f52509c57537e68194ce6d33577 Mon Sep 17 00:00:00 2001
From: 依云 <lilydjwg@gmail.com>
Date: Thu, 3 Jul 2025 23:35:18 +0800
Subject: fix: refuse "--dupkeep 0" (#2807)

People may think it would keep only one copy, but it didn't work that way.
---
 crates/atuin/src/command/client/history.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/crates/atuin/src/command/client/history.rs b/crates/atuin/src/command/client/history.rs
index d4ed22f6..74d9e155 100644
--- a/crates/atuin/src/command/client/history.rs
+++ b/crates/atuin/src/command/client/history.rs
@@ -622,6 +622,13 @@ impl Cmd {
         dupkeep: u32,
         dry_run: bool,
     ) -> Result<()> {
+        if dupkeep == 0 {
+            eprintln!(
+                "\"--dupkeep 0\" would keep 0 copies of duplicate commands and thus delete all of them! Use \"atuin search --delete ...\" if you really want that."
+            );
+            std::process::exit(1);
+        }
+
         let matches: Vec<History> = db.get_dups(before, dupkeep).await?;
 
         match matches.len() {
-- 
cgit v1.3.1