ErrGitMissing is raised if git is not detected on the current $PATH.

ErrNoRepository is raised if the current directory is not a recognised git repository.

ErrDetachedHead is raised if the git repository is in a detached state, which prevents some of the functionality of uplift from working correctly.

ErrDirty is raised when a git repository has un-committed and/or un-staged changes.

ErrShallowClone is raised if the git repository is from a shallow clone, which prevents some of the functionality of uplift from working correctly.

Task for detecting if uplift is being run within a recognised git repository.