GetSpecFromFile reads the specfile from disk (the path of which is determined by the user-supplied flag value), and returns it for further processing of remotes.

FileType represents the string to match against for file remote types.

GitType represents the string to match against for git remote types.

MetaFileName is the name of the tracking file that vdm uses to record & track remote statuses on disk.

Remote defines the structure of each remote configuration in the vdm specfile.

Spec defines the overall structure of the vmd specfile.