From 96111c6ef3c138a2fa186a522da7633ffa998948 Mon Sep 17 00:00:00 2001
From: Jakub Konka <kubkon@jakubkonka.com>
Date: Wed, 17 Sep 2025 21:36:06 +0200
Subject: [PATCH] extension_host: Sanitize cwd path for ResolvedTask (#38357)

Ensures build task's CWD paths use POSIX-friendly path separator on
Windows host so that `std::path::Path` ops work as expected within the
Wasm guest.

Release Notes:

- N/A
---
 crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs b/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs
index 84794d5386eda1517808d181eb259a3264f7b82d..e879ed0cb01f70f24a9b2b52438e1ff7d405f2d6 100644
--- a/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs
+++ b/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs
@@ -309,7 +309,14 @@ impl TryFrom<SpawnInTerminal> for ResolvedTask {
             command: value.command.context("missing command")?,
             args: value.args,
             env: value.env.into_iter().collect(),
-            cwd: value.cwd.map(|s| s.to_string_lossy().into_owned()),
+            cwd: value.cwd.map(|s| {
+                let s = s.to_string_lossy();
+                if cfg!(target_os = "windows") {
+                    s.replace('\\', "/")
+                } else {
+                    s.into_owned()
+                }
+            }),
         })
     }
 }