- only copy files when branch is master

.drone.yml

@@ -5,6 +5,9 @@ name: default
 steps:
   - name: clean environment
     image: appleboy/drone-ssh
+    when:
+      branch:
+        - master
     settings:
       host:
         from_secret: host
@@ -18,6 +21,9 @@ steps:
         - rm -rf *
   - name: copy files
     image: appleboy/drone-scp
+    when:
+      branch:
+        - master
     settings:
       host:
         from_secret: host