From 663beab1b9276991ef7c1ea70ba5a1ffc511b695 Mon Sep 17 00:00:00 2001
From: Antonio Scandurra <me@as-cii.com>
Date: Fri, 8 Apr 2022 12:10:45 +0200
Subject: [PATCH] Avoid panicking when receiving a request for a dropped buffer

---
 crates/project/src/project.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/crates/project/src/project.rs b/crates/project/src/project.rs
index 3b2259d53515585c069b577c0c37354978998269..ef0531c36a71168abfc469cc41a9e778593bb77e 100644
--- a/crates/project/src/project.rs
+++ b/crates/project/src/project.rs
@@ -3850,7 +3850,7 @@ impl Project {
             let buffer = this
                 .opened_buffers
                 .get(&buffer_id)
-                .map(|buffer| buffer.upgrade(cx).unwrap())
+                .and_then(|buffer| buffer.upgrade(cx))
                 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
             Ok::<_, anyhow::Error>((project_id, buffer))
         })?;
@@ -3882,7 +3882,7 @@ impl Project {
                 buffers.insert(
                     this.opened_buffers
                         .get(buffer_id)
-                        .map(|buffer| buffer.upgrade(cx).unwrap())
+                        .and_then(|buffer| buffer.upgrade(cx))
                         .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
                 );
             }
@@ -3911,7 +3911,7 @@ impl Project {
                 buffers.insert(
                     this.opened_buffers
                         .get(buffer_id)
-                        .map(|buffer| buffer.upgrade(cx).unwrap())
+                        .and_then(|buffer| buffer.upgrade(cx))
                         .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
                 );
             }
@@ -3942,7 +3942,7 @@ impl Project {
         let buffer = this.read_with(&cx, |this, cx| {
             this.opened_buffers
                 .get(&envelope.payload.buffer_id)
-                .map(|buffer| buffer.upgrade(cx).unwrap())
+                .and_then(|buffer| buffer.upgrade(cx))
                 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
         })?;
         buffer
@@ -3972,7 +3972,7 @@ impl Project {
             let buffer = this
                 .opened_buffers
                 .get(&envelope.payload.buffer_id)
-                .map(|buffer| buffer.upgrade(cx).unwrap())
+                .and_then(|buffer| buffer.upgrade(cx))
                 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
             let language = buffer.read(cx).language();
             let completion = language::proto::deserialize_completion(
@@ -4014,7 +4014,7 @@ impl Project {
         let buffer = this.update(&mut cx, |this, cx| {
             this.opened_buffers
                 .get(&envelope.payload.buffer_id)
-                .map(|buffer| buffer.upgrade(cx).unwrap())
+                .and_then(|buffer| buffer.upgrade(cx))
                 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
         })?;
         buffer
@@ -4055,7 +4055,7 @@ impl Project {
             let buffer = this
                 .opened_buffers
                 .get(&envelope.payload.buffer_id)
-                .map(|buffer| buffer.upgrade(cx).unwrap())
+                .and_then(|buffer| buffer.upgrade(cx))
                 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
             Ok::<_, anyhow::Error>(this.apply_code_action(buffer, action, false, cx))
         })?;