InitBareGitRepo create a new --bare empty git repo at the given path.

InitGitRepo create a new empty git repo at the given path.

NewGitRepo determines if the given working directory is inside of a git repository, and returns the corresponding GitRepo instance if it is.

ErrNotARepo is the error returned when the git repo root wan't be found.

GitRepo represents an instance of a (local) git repository.

Repo represents a source code repository.

RepoCommon represent the common function the we want all the repo to implement.