From 3a510941d8e58c79744c27b67004e04740b48898 Mon Sep 17 00:00:00 2001
From: Vedant Madane <6527493+VedantMadane@users.noreply.github.com>
Date: Tue, 25 Aug 2026 07:55:37 +0530
Subject: [PATCH] fix: Honor updateRef when creating signed commits

- After commit_signed, update the named ref (create or set_target)
- Matches unsigned commit() behavior so signed commits are not unreachable

Fixes #218

Signed-off-by: Vedant Madane <6527493+VedantMadane@users.noreply.github.com>
---
 src/commit.rs | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/commit.rs b/src/commit.rs
index 184d9df..87dadb8 100644
--- a/src/commit.rs
+++ b/src/commit.rs
@@ -444,9 +444,23 @@ impl Repository {
 
       let commit_content_str = std::str::from_utf8(&commit_content)?.to_string();
 
-      self
+      let oid = self
         .inner
-        .commit_signed(&commit_content_str, &signature_str, signature_field.as_deref())?
+        .commit_signed(&commit_content_str, &signature_str, signature_field.as_deref())?;
+
+      // commit_signed only writes the object; honor update_ref like the unsigned path.
+      if let Some(name) = update_ref.as_deref() {
+        match self.inner.find_reference(name) {
+          Ok(mut reference) => {
+            reference.set_target(oid, "commit (signed)")?;
+          }
+          Err(_) => {
+            self.inner.reference(name, oid, true, "commit (signed)")?;
+          }
+        }
+      }
+
+      oid
     } else {
       self.inner.commit(
         update_ref.as_deref(),