Factor out VCS file/repo access to vcsfs package
Factor out VCS file/repo access to vcsfs package

alexsaveliev/srclib-ruby,sourcegraph/srclib-ruby,alexsaveliev/srclib-ruby,sourcegraph/srclib-ruby,alexsaveliev/srclib-ruby,sourcegraph/srclib-ruby,alexsaveliev/srclib-ruby,sourcegraph/srclib-ruby,sourcegraph/srclib-ruby,alexsaveliev/srclib-ruby,sourcegraph/srclib-ruby,alexsaveliev/srclib-ruby