From 8dd26681830672f3b0ed5eeabdc77742d592bcc9 Mon Sep 17 00:00:00 2001
From: tison <wander4096@gmail.com>
Date: Fri, 19 Jun 2026 20:54:09 +0800
Subject: [PATCH] Better error message when TRYBUILD env var is wrong

---
 src/error.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/error.rs b/src/error.rs
index 420f9b9..74bb904 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -53,7 +53,7 @@ impl Display for Error {
             TomlSer(e) => write!(f, "{}", e),
             UpdateVar(var) => write!(
                 f,
-                "unrecognized value of TRYBUILD: {:?}",
+                r#"unrecognized value of TRYBUILD: {:?} is not one of "wip", "overwrite""#,
                 var.to_string_lossy(),
             ),
             WriteStderr(e) => write!(f, "failed to write stderr file: {}", e),