Maybe delete local benchmark before pull..

benchmark/benchmark.go

@@ -48,7 +48,11 @@ func main() {
 		log.Fatal(err)
 	}
 
-	log.Printf("Benchmarking done; Fetching benchmark branch")
+	log.Printf("Benchmarking done; writing results to git...")
+	log.Printf("Removing local benchmark branch")
+	removeLocalBenchmarkBranch()
+	time.Sleep(200 * time.Millisecond)
+	log.Printf("Fetching benchmark branch")
 	fetchBenchmark()
 	time.Sleep(200 * time.Millisecond)
 	log.Printf("Checking out benchmark branch")
@@ -65,6 +69,15 @@ func main() {
 	log.Printf("Done")
 }
 
+func removeLocalBenchmarkBranch() {
+	gitBranch := exec.Command("git", "branch", "-D", "benchmark")
+	gitBranch.Dir = "../"
+	out, err := gitBranch.CombinedOutput()
+	if err != nil {
+		log.Printf("Could not remove local benchmark branch with code %v and error %v", err, string(out))
+	}
+}
+
 func getHeadHash() string {
 	cmd := exec.Command("git", "rev-parse", "HEAD")
 	cmd.Dir = "../"