From 3150bd92d6162ba248bc28fd4d40bd0d6238e1af Mon Sep 17 00:00:00 2001
From: JJ Liebig <jonathan.liebig@gmail.com>
Date: Fri, 4 Sep 2026 01:05:35 +0200
Subject: fix(integration): resolve Devin config on Windows (#3595)

refs #2724
---
 src/integration/env.rs | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

(limited to 'src/integration/env.rs')

diff --git a/src/integration/env.rs b/src/integration/env.rs
index 8f3a9e65..c4ee1c34 100644
--- a/src/integration/env.rs
+++ b/src/integration/env.rs
@@ -76,6 +76,11 @@ pub(crate) fn devin_dir() -> io::Result<PathBuf> {
         return expand_tilde_path(PathBuf::from(value)).map(|path| path.join("devin"));
     }
 
+    #[cfg(windows)]
+    if let Some(value) = std::env::var_os("APPDATA").filter(|value| !value.is_empty()) {
+        return Ok(PathBuf::from(value).join("devin"));
+    }
+
     Ok(home_dir()?.join(".config").join("devin"))
 }
 
@@ -215,7 +220,31 @@ pub(crate) fn home_dir() -> io::Result<PathBuf> {
 }
 
 #[cfg(test)]
-pub(crate) fn integration_env_lock() -> MutexGuard<'static, ()> {
+pub(crate) struct IntegrationEnvLock {
+    _guard: MutexGuard<'static, ()>,
+    #[cfg(windows)]
+    appdata: Option<std::ffi::OsString>,
+}
+
+#[cfg(test)]
+impl Drop for IntegrationEnvLock {
+    fn drop(&mut self) {
+        #[cfg(windows)]
+        if let Some(appdata) = self.appdata.take() {
+            std::env::set_var("APPDATA", appdata);
+        } else {
+            std::env::remove_var("APPDATA");
+        }
+    }
+}
+
+#[cfg(test)]
+pub(crate) fn integration_env_lock() -> IntegrationEnvLock {
     static LOCK: OnceLock<Mutex<()>> = OnceLock::new();
-    LOCK.get_or_init(|| Mutex::new(())).lock().unwrap()
+    let guard = LOCK.get_or_init(|| Mutex::new(())).lock().unwrap();
+    IntegrationEnvLock {
+        _guard: guard,
+        #[cfg(windows)]
+        appdata: std::env::var_os("APPDATA"),
+    }
 }
-- 
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