Only keep PATH

Author: thomcc

plrustc/plrustc/src/main.rs

@@ -55,10 +55,10 @@ fn clear_env() {
         .filter(|name| {
             let name = name.to_string_lossy().to_lowercase();
             !(
-                name.starts_with("plrust")
+                // name.starts_with("plrust")
                 // || name.starts_with("rust")
                 // || name.starts_with("cargo")
-                || name == "path"
+                name == "path"
                 // || name == "rustflags"
             )
         })