Print the result of git diff to see what changed if any

Also, disable the go module when running tests to avoid changing the go.sum file

.travis.yml

@@ -9,13 +9,14 @@ env:
 sudo: false
 
 before_install:
-  -  GO111MODULE=off go get github.com/mattn/goveralls
+  - GO111MODULE=off go get github.com/mattn/goveralls
 
 before_script:
   - go test ./...
 
 script:
   - if [ "${TRAVIS_TAG::1}" = "v" ]; then
+        git diff;
         curl -sL https://git.io/goreleaser | bash;
     fi
 

go.sum

@@ -74,11 +74,12 @@ github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfc
 github.com/coveo/gotemplate/v3 v3.0.2/go.mod h1:1tiHwBWrorN2fKWQsGJogu5eLCOXbuyprBxa1RCx5VA=
 github.com/coveo/gotemplate/v3 v3.1.0-test h1:bV3V2b8+OLk+mrsnJNzmQm1zxTR4w+C7guvNV6td0gk=
 github.com/coveo/gotemplate/v3 v3.1.0-test/go.mod h1:1tiHwBWrorN2fKWQsGJogu5eLCOXbuyprBxa1RCx5VA=
-github.com/coveo/kingpin/v2 v2.3.0 h1:hb/Tbwg68OwinP9bgMip4Ummb/KmbyRDdBp/omGq8a0=
+github.com/coveo/kingpin/v2 v2.3.0 h1:S0A+rrX9dYj0UY6DPm/De0vZnRENFjtxTJkJ2ysqKGo=
 github.com/coveo/kingpin/v2 v2.3.0/go.mod h1:aHHVz6IntRz3/1OcRwTQ9GCJVe35Boy+ZpFZHDXF+eQ=
 github.com/coveo/terragrunt v1.4.0-beta1 h1:90KcrwF/DKd53uib3ZJEArHFasXpc4FrsmwYWmzb8mo=
 github.com/coveo/terragrunt v1.4.0-beta1/go.mod h1:zI6d2saPYO/BLT9wpmL0av+AGLkXzuYYqybb2eA4B+U=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v0.0.0-20160617170158-f0777076321a/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dnaeon/go-vcr v0.0.0-20170218072653-87d4990451a8/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
@@ -258,6 +259,7 @@ github.com/packer-community/winrmcp v0.0.0-20180102160824-81144009af58/go.mod h1
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pkg/errors v0.0.0-20170505043639-c605e284fe17 h1:chPfVn+gpAM5CTpTyVU9j8J+xgRGwmoDlNDLjKnJiYo=
 github.com/pkg/errors v0.0.0-20170505043639-c605e284fe17/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v0.0.0-20171219111128-6bee943216c8 h1:lcb1zvdlaZyEbl2OXifN3uOYYyIvllofUbmp9bwbL+0=
 github.com/posener/complete v0.0.0-20171219111128-6bee943216c8/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
@@ -307,6 +309,7 @@ github.com/spf13/afero v1.0.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/svanharmelen/jsonapi v0.0.0-20180618144545-0c0828c3f16d/go.mod h1:BSTlc8jOjh0niykqEGVXOLXdi9o0r0kR8tCYiMvjFgw=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=