Imports
- github.com/pkg/errors
- github.com/sirupsen/logrus
- gopkg.in/src-d/go-billy.v4
- gopkg.in/src-d/go-billy.v4/memfs
- gopkg.in/src-d/go-billy.v4/osfs
- gopkg.in/src-d/go-git.v4
- gopkg.in/src-d/go-git.v4/plumbing/cache
- gopkg.in/src-d/go-git.v4/storage/filesystem