DownloadFiles copies githubarchive files locally.

FindDayPaths returns the locations of all day like things in a subdir hierarchy.

MaybeDownloadFile checks if the githubarchive file is missing, and if so downloads it.

NewScanner open filename and creates a new scanner from its contents.

ParseEvent parses the JSON and returns a new Event struct.

ParseForkEvent returns the forked repo name and forked repo id from a JSON githubarchive event.

Event holds parsed data about a single event from the Github Archive.

Scanner scans over the contents of a githubarchive File.