Merge pull request #761 from jdsutherland/travis-gofmt

Require gofmt on Travis build

Author: Katrina Owen

.travis.gofmt.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+cd "$(dirname $0)"
+if [ -n "$(go fmt ./...)" ]; then
+    echo "Go code is not formatted, run 'go fmt github.com/exercism/cli/...'" >&2
+    exit 1
+fi

.travis.yml

@@ -12,4 +12,5 @@ install:
   - dep ensure
 
 script:
+  - ./.travis.gofmt.sh
   - go test -cover ./...