ErrNoTag happens if the underlying git repository doesn't contain any tags but no snapshot-release was requested.

ErrNotRepository happens if you try to run goreleaser against a folder which is not a git repository.

ErrDirty happens when the repo has uncommitted/unstashed changes.

ErrInvalidVersionFormat is return when the version isnt in a valid format.

ErrWrongRef happens when the HEAD reference is different from the tag being built.

Pipe for brew deployment.