use ${DRONE_SOURCE_BRANCH} for the ref

Author: snickell

.drone.yml

@@ -13,7 +13,14 @@ steps:
       username: deploy-code-org
       password:
         from_secret: on-droneci-complete-github-token
-
+      template: |
+        {
+          "ref": "${DRONE_SOURCE_BRANCH}",
+          "inputs": {
+            "github_sha": "{{ build.commit }}",
+            "drone_build_status": "{{ build.status }}"
+          }
+        }
       debug: true
 # depends_on:
 #   - unit