diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..496ee2c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
\ No newline at end of file
diff --git a/.harness/diffrepo_diffbranch.yaml b/.harness/diffrepo_diffbranch.yaml
new file mode 100644
index 0000000..9ada7ab
--- /dev/null
+++ b/.harness/diffrepo_diffbranch.yaml
@@ -0,0 +1,21 @@
+service:
+  name: diffrepo_diffbranch
+  identifier: diffrepo_diffbranch
+  orgIdentifier: default
+  projectIdentifier: kanikaTest
+  serviceDefinition:
+    spec:
+      artifacts:
+        primary:
+          primaryArtifactRef: <+input>
+          sources:
+            - name: diffrepo_diffbranch
+              identifier: diffrepo_diffbranch
+              template:
+                templateRef: testCustomArtifactSource
+                versionLabel: "1"
+                templateInputs:
+                  type: CustomArtifact
+                  spec:
+                    version: <+input>
+    type: Kubernetes
diff --git a/protofiles/student.proto b/protofiles/student.proto
index 213ef2e..81fdef6 100644
--- a/protofiles/student.proto
+++ b/protofiles/student.proto
@@ -3,7 +3,7 @@ syntax = "proto3";
 message Student {
     int32 id = 1;
     string name = 2;
-    int32 rollno = 3;
+    float rollno = 3;
 }
 
 message Class {