From 7760fd2532b041c5c2d777ed7240c0d868642096 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Wed, 9 Jul 2025 16:09:52 +0700
Subject: [PATCH] Clear env vars prior to invoking uv, and add --no-config

---
 build/runner/src/pyenv.rs | 3 ++-
 qt/launcher/src/main.rs   | 7 +++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/build/runner/src/pyenv.rs b/build/runner/src/pyenv.rs
index d64c8fb3f..f514096fb 100644
--- a/build/runner/src/pyenv.rs
+++ b/build/runner/src/pyenv.rs
@@ -34,8 +34,9 @@ pub fn setup_pyenv(args: PyenvArgs) {
 
     run_command(
         Command::new(args.uv_bin)
+            .env_clear()
             .env("UV_PROJECT_ENVIRONMENT", args.pyenv_folder.clone())
-            .args(["sync", "--locked"])
+            .args(["sync", "--locked", "--no-config"])
             .args(args.extra_args),
     );
 
diff --git a/qt/launcher/src/main.rs b/qt/launcher/src/main.rs
index 655679c17..34a81a622 100644
--- a/qt/launcher/src/main.rs
+++ b/qt/launcher/src/main.rs
@@ -255,15 +255,14 @@ fn handle_version_install_or_update(state: &State, choice: MainMenuChoice) -> Re
         None
     };
 
-    // Sync the venv
+    // Prepare to sync the venv
     let mut command = Command::new(&state.uv_path);
     command
         .current_dir(&state.uv_install_root)
+        .env_clear()
         .env("UV_CACHE_DIR", &state.uv_cache_dir)
-        // We always want to download python, even if the user has their system set to 'never'
-        .env("UV_PYTHON_DOWNLOADS", "auto")
         .env("UV_PYTHON_INSTALL_DIR", &state.uv_python_install_dir)
-        .args(["sync", "--upgrade", "--managed-python"]);
+        .args(["sync", "--upgrade", "--managed-python", "--no-config"]);
 
     // Add python version if .python-version file exists
     if let Some(version) = &python_version_trimmed {