From fef7df667c71f01211eb31603451ba8c9e082a5d Mon Sep 17 00:00:00 2001
From: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>
Date: Wed, 6 Nov 2024 13:58:51 +0100
Subject: [PATCH] pane: Update pinned tab counts when unnamed buffer is
 discarded (#20294)

Closes #19492

Release Notes:

- Fixed a crash that could happen when closing a workspace with pinned
untitled buffers.
---
 crates/workspace/src/pane.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/crates/workspace/src/pane.rs b/crates/workspace/src/pane.rs
index 97672fd2455261d820866a55d015d47d76e43a38..b37298c7cacbe80ecd849e0ec403917662087764 100644
--- a/crates/workspace/src/pane.rs
+++ b/crates/workspace/src/pane.rs
@@ -1593,8 +1593,13 @@ impl Pane {
                             Ok(0) => {}
                             Ok(1) => {
                                 // Don't save this file
-                                pane.update(cx, |_, cx| item.discarded(project, cx))
-                                    .log_err();
+                                pane.update(cx, |pane, cx| {
+                                    if pane.is_tab_pinned(item_ix) && !item.can_save(cx) {
+                                        pane.pinned_tab_count -= 1;
+                                    }
+                                    item.discarded(project, cx)
+                                })
+                                .log_err();
                                 return Ok(true);
                             }
                             _ => return Ok(false), // Cancel