From b8678cebfe4e3a4f9177e5a865b291e54320c0e1 Mon Sep 17 00:00:00 2001
From: Young <young20050727@gmail.com>
Date: Sat, 14 Sep 2024 11:24:59 +0800
Subject: [PATCH] feat: Exit early if package_manager is Unknown

---
 src/main.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index ebc5b36..36f8cbb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -53,6 +53,10 @@ fn main() {
         .get_matches();
 
     let package_manager = env::detect_package_manager();
+    if package_manager == "Unknown" {
+        eprintln!("Unknown package manager");
+        return;
+    }
 
     let command = matches.get_one::<String>("command").map(|s| s.as_str()).unwrap_or("upgrade");
     let package = matches.get_one::<String>("package").unwrap_or(&"".to_string()).to_string();