git: match native agent workflows

userland/git/src/remotes.rs

@@ -116,7 +116,7 @@ pub fn set(repo: &gix::Repository, name: &str, url: &str, add: bool) -> Result<R
             },
         ));
     }
-    // Replace all URL occurrences (including duplicate sections), preserving other keys/comments.
+    // Change URL values in place, preserving config order and other keys/comments.
     if !add {
         let ids: Vec<_> = config
             .sections_and_ids_by_name("remote")
@@ -131,17 +131,19 @@ pub fn set(repo: &gix::Repository, name: &str, url: &str, add: bool) -> Result<R
             .collect();
         for id in ids {
             if let Some(mut section) = config.section_mut_by_id(id) {
-                while section.remove("url").is_some() {}
+                section
+                    .set("url", url.as_str())
+                    .map_err(|e| error("remote config", e))?;
             }
         }
     }
     let mut section = config
         .section_mut_or_create_new("remote", name)
         .map_err(|e| error("remote config", e))?;
-    section
-        .push("url", Some(url.as_str().into()))
-        .map_err(|e| error("remote config", e))?;
     if add {
+        section
+            .push("url", Some(url.as_str().into()))
+            .map_err(|e| error("remote config", e))?;
         section
             .push(
                 "fetch",