Merge pull request #1044 from travis-ci/sf-port-949

add firebase --force (ports #949)

lib/dpl/providers/firebase.rb

@@ -19,6 +19,7 @@ class Firebase < Provider
       opt '--project NAME',  'Firebase project to deploy to (defaults to the one specified in your firebase.json)'
       opt '--message MSG',   'Message describing this deployment.'
       opt '--only SERVICES', 'Firebase services to deploy', note: 'can be a comma-separated list'
+      opt '--force',         'Whether or not to delete Cloud Functions missing from the current working directory'
 
       cmds deploy: 'firebase deploy --non-interactive %{deploy_opts}'
       errs deploy: 'Firebase deployment failed'
@@ -33,7 +34,7 @@ def deploy
       end
 
       def deploy_opts
-        opts_for(%i(project message token only))
+        opts_for(%i(project message token only force))
       end
     end
   end

spec/dpl/providers/firebase_spec.rb

@@ -24,6 +24,11 @@
       before { subject.run }
       it { should have_run 'firebase deploy --non-interactive --token="token" --only="only"' }
     end
+
+    describe 'given --force' do
+      before { subject.run }
+      it { should have_run 'firebase deploy --non-interactive --token="token" --force' }
+    end
   end
 
   describe 'missing firebase.json' do