go get -d -u github.com/codahale/sneaker
# cd /root/gopath/src/github.com/codahale/sneaker; git submodule update --init --recursive
fatal: no submodule mapping found in .gitmodules for path 'vendor/github.com/aws/aws-sdk-go'
package github.com/codahale/sneaker: exit status 128
This is the output I see: