diff --git a/evaluate.sh b/evaluate.sh
index 78b4183..7c8aa82 100755
--- a/evaluate.sh
+++ b/evaluate.sh
@@ -15,8 +15,15 @@
 #  limitations under the License.
 #
 
+if [ -z "$1" ]
+  then
+    echo "Usage: evaluate.sh <fork name>"
+    exit 1
+fi
+
+mvn clean verify
 
 for i in {1..5}
 do
-    time ./calculate_average.sh
+    time ./calculate_average_$1.sh
 done
diff --git a/prepare_evaluation.sh b/prepare_evaluation.sh
new file mode 100755
index 0000000..250279f
--- /dev/null
+++ b/prepare_evaluation.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+#
+#  Copyright 2023 The original authors
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+if [ -z "$1" ]
+  then
+    echo "Usage: prepare_evaluation.sh <fork name>"
+    exit 1
+fi
+
+
+git checkout -b $1
+
+git pull https://github.com/$1/1brc.git
+# git pull git@github.com:$1/1brc.git