Wrapper around github.com/kr/goven to grab the mercurial or git commit.
Make sure goven is in your PATH. You will need to use my fork until the prefix patch gets merged.
go install github.com/philips/goven
Install goven-bump into your PATH:
curl https://raw2.github.com/philips/goven-bump/master/goven-bump > ~/bin/goven-bump
$ go get github.com/stretchr/testify/assert
$ goven-bump github.com/stretchr/testify/assert
9cc77fa25329013ce07362c7742952ff887361f2