test

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/tools/build_helper/src/git.rs

@@ -95,7 +95,20 @@ pub fn updated_master_branch(
         }
     }
 
-    Err("Cannot find any suitable upstream master branch".to_owned())
+    // In CI, prepare upstream master.
+    if CiEnv::is_ci() {
+        let mut git = Command::new("git");
+        if let Some(git_dir) = git_dir {
+            git.current_dir(git_dir);
+        }
+
+        git.args(["fetch", &upstream_remote, branch]);
+        let _ = output_result(&mut git)?;
+
+        Ok(format!("{upstream_remote}/{branch}"))
+    } else {
+        Err("Cannot find any suitable upstream master branch".to_owned())
+    }
 }
 
 /// Finds the nearest merge commit by comparing the local `HEAD` with the upstream branch's state.