fix: only create mapped local working directories for virtual file systems (#3207)

Author: sxyazi

yazi-fs/src/cwd.rs

@@ -53,21 +53,29 @@ impl Cwd {
 		}
 
 		tokio::task::spawn_blocking(move || {
-			let path = CWD.path();
-			std::fs::create_dir_all(&path).ok();
+			let path = CWD.ensure_cache();
 
 			_ = set_current_dir(&path);
 			let cur = current_dir().unwrap_or_default();
 
 			unsafe { std::env::set_var("PWD", path) }
 			SYNCING.store(false, Ordering::Relaxed);
 
-			let path = CWD.path();
+			let path = CWD.ensure_cache();
 			if cur != path {
-				std::fs::create_dir_all(&path).ok();
 				set_current_dir(&path).ok();
 				unsafe { std::env::set_var("PWD", path) }
 			}
 		});
 	}
+
+	fn ensure_cache(&self) -> PathBuf {
+		let url = self.0.load();
+		if let Some(p) = provider::cache(url.as_ref()) {
+			std::fs::create_dir_all(&p).ok();
+			p
+		} else {
+			url.loc.to_path()
+		}
+	}
 }