IsDirEmpty validates the existance of a directory and checks if it has any contents .

NewGitWatcher will initiate a git repositry watching go routine and struct that will process git activity in a goroutine.

Change is a data structure that cpatures a git repository and commit ID for any observed pushed commits .

GitOptions encapsulates the parameters describing a clone repositories branch etc .

GitWatcher encapsulates the state and control structures around a single clone repository that is being watched and processed .

LoggerSink encapsulates information and context for a message sent to a logging listener within a server .