Imports
- gopkg.in/src-d/go-billy.v4
- gopkg.in/src-d/go-billy.v4/osfs
- gopkg.in/src-d/go-git.v4/plumbing
- gopkg.in/src-d/go-git.v4/plumbing/format/idxfile
- gopkg.in/src-d/go-git.v4/plumbing/format/objfile
- gopkg.in/src-d/go-git.v4/plumbing/format/packfile
- gopkg.in/src-d/go-git.v4/utils/ioutil