From 5197a234a8ad72100fd710658bb6a8637b9e0cfd Mon Sep 17 00:00:00 2001
From: Jan Rose <jan.rose@databricks.com>
Date: Thu, 29 Oct 2026 11:51:31 +0100
Subject: [PATCH] Test sync deletion of BOM-prefixed notebooks

---
 acceptance/bundle/sync/replace-node-type/output.txt | 13 +++++++++++++
 acceptance/bundle/sync/replace-node-type/script     |  7 +++++++
 acceptance/bundle/sync/replace-node-type/test.toml  |  2 ++
 3 files changed, 22 insertions(+)

diff --git a/acceptance/bundle/sync/replace-node-type/output.txt b/acceptance/bundle/sync/replace-node-type/output.txt
index 9e482f6a28e..bb144a93bcd 100644
--- a/acceptance/bundle/sync/replace-node-type/output.txt
+++ b/acceptance/bundle/sync/replace-node-type/output.txt
@@ -20,3 +20,16 @@ Uploaded plain.sql
 >>> list
 NOTEBOOK bom
 FILE plain.sql
+
+=== Remove both local files and sync again
+
+>>> [CLI] bundle sync --output text
+Action: DELETE: bom.sql, plain.sql
+Deleted bom.sql
+Deleted plain.sql
+Initial Sync Complete
+
+=== BUG: bom remains after sync reports deleting bom.sql
+
+>>> list
+NOTEBOOK bom
diff --git a/acceptance/bundle/sync/replace-node-type/script b/acceptance/bundle/sync/replace-node-type/script
index 32dd2c3cc53..11446a48db6 100644
--- a/acceptance/bundle/sync/replace-node-type/script
+++ b/acceptance/bundle/sync/replace-node-type/script
@@ -23,3 +23,10 @@ trace list
 title "Sync replaces both\n"
 trace $CLI bundle sync --output text 2>&1 | sort
 trace list
+
+title "Remove both local files and sync again\n"
+rm bom.sql plain.sql
+trace $CLI bundle sync --output text 2>&1 | sort
+
+title "BUG: bom remains after sync reports deleting bom.sql\n"
+trace list
diff --git a/acceptance/bundle/sync/replace-node-type/test.toml b/acceptance/bundle/sync/replace-node-type/test.toml
index aab5e85edef..4ea183843a3 100644
--- a/acceptance/bundle/sync/replace-node-type/test.toml
+++ b/acceptance/bundle/sync/replace-node-type/test.toml
@@ -1,3 +1,5 @@
+Badness = "After a BOM-prefixed SQL notebook is removed locally, sync reports deleting bom.sql but leaves the remote notebook bom because the sync snapshot retains the .sql extension."
+
 Cloud = true
 Env.MSYS_NO_PATHCONV = "1"
 Ignore = [".databricks"]