Add swagger validate build step

.travis.yml

@@ -12,14 +12,18 @@ before_install:
   - curl -L -s https://github.com/golang/dep/releases/download/v${DEP_VERSION}/dep-linux-amd64 -o $GOPATH/bin/dep
   - chmod +x $GOPATH/bin/dep
   - chmod +x ./all-test-with-coverage.sh
+  - chmod +x ./swagger-validate.sh
 
 install:
   - dep ensure
   - go get github.com/golang/lint/golint
   - go get honnef.co/go/tools/cmd/megacheck
   - go get github.com/fzipp/gocyclo
+  - go get -u github.com/gobuffalo/packr/...
+  - go get -u github.com/go-swagger/go-swagger/cmd/swagger
 
 script:
+  - ./swagger-validate.sh
   - ./all-test-with-coverage.sh
   - go vet ./...
   - megacheck ./...

swagger-validate.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+swagger generate spec --scan-models -o docs/spec.json
+(cd docs && packr && git add .)
+if [[ `git status --porcelain | grep docs` ]]; then
+    echo Swagger or the Packr file is not up-to-date
+    exit 1
+fi