Functions to manipulate the graph of Git objects.
The graph of Git keys.
Return the graph of keys of the given Git store.
Return a consistent cut of the graph of keys, where no elements
are lesser than the ones in min and none are bigger than the
ones in max.
Return a packed (closed) collection of objects.
to_dot g buffer fille buffer with the `.dot` representation
of the Git graph.
to_dot g buffer