From cde5fb702d84449b4e49bf937abf0cc518823beb Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Thu, 12 Jan 2023 22:34:21 +0900
Subject: [PATCH] codegen: Fix handling of latest_only tool

---
 tools/codegen/src/main.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/codegen/src/main.rs b/tools/codegen/src/main.rs
index ab511127..93545276 100644
--- a/tools/codegen/src/main.rs
+++ b/tools/codegen/src/main.rs
@@ -287,9 +287,10 @@ fn main() -> Result<()> {
     }
 
     if latest_only {
+        let ManifestRef::Ref { version } = manifests.map.first_key_value().unwrap().1.clone() else { unreachable!() };
         manifests
             .map
-            .retain(|k, m| k.0 == Version::latest() || matches!(m, ManifestRef::Real(..)));
+            .retain(|k, _| k.0 == Version::latest() || k.0 == version);
     }
 
     let original_manifests = manifests.clone();