drone no dup builds

.drone.yml

@@ -4,6 +4,10 @@ workspace:
 
 pipeline:
   fetch:
+    when:
+      repo: cwtch.im/tapir
+      branch: master
+      event: [ push, pull_request ]
     image: golang
     commands:
     - wget https://git.openprivacy.ca/openprivacy/buildfiles/raw/master/tor/tor
@@ -13,16 +17,28 @@ pipeline:
     - go mod vendor
     - go get -u golang.org/x/lint/golint
   quality:
+    when:
+      repo: cwtch.im/tapir
+      branch: master
+      event: [ push, pull_request ]
     image: golang
     commands:
     - go list ./... | xargs go vet
     - go list ./... | xargs golint -set_exit_status
   units-tests:
+    when:
+      repo: cwtch.im/tapir
+      branch: master
+      event: [ push, pull_request ]
     image: golang
     commands:
     - export PATH=$PATH:/go/src/cwtch.im/tapir
     - sh testing/tests.sh
   integ-test:
+    when:
+      repo: cwtch.im/tapir
+      branch: master
+      event: [ push, pull_request ]
     image: golang
     commands:
     - ./tor -f ./torrc
@@ -35,10 +51,15 @@ pipeline:
     skip_verify: true
     from: drone@openprivacy.ca
     when:
+      repo: cwtch.im/tapir
+      branch: master
+      event: [ push, pull_request ]
       status: [ failure ]
   notify-gogs:
     image: openpriv/drone-gogs
     when:
+      repo: cwtch.im/tapir
+      branch: master
       event: pull_request
       status: [ success, changed, failure ]
     secrets: [gogs_account_token]