ci-restrict (#4)

Reviewed-on: #4

.drone.yml

@@ -1,7 +1,11 @@
 
 kind: pipeline
 name: default
-
+trigger:
+  event:
+    include:
+    - promote
+    - pull_request
 steps:
 - name: test
   image: rust:latest
@@ -11,6 +15,10 @@ steps:
   - rustup component add clippy
   - cargo clippy
   - cargo test --all
+  when:
+    event:
+      - pull_request
+
 - name: deploy
   image: rust:latest
   commands:
@@ -32,7 +40,6 @@ steps:
       - staging
       - production
 
-
 ---
 kind: pipeline
 name: windows-build
@@ -40,11 +47,19 @@ type: exec
 platform:
   os: windows
   arch: amd64
+trigger:
+  event:
+    include:
+    - promote
+    - pull_request
 steps:
 - name: test
   commands:
   - rustup default stable
-  - cargo test  
+  - cargo test
+  when:
+    event:
+      - pull_request
 - name: deploy
   commands:
   - rustup default stable