Merge - Fast Forward
--------------------

[graphviz]
----
digraph {
  node [style=bold, shape=circle, color="#385d8a", fontname=arial, fontsize=18]
	edge [style=bold, color="#385d8a", arrowhead=none]
  C [style=invis]

  C -> B [style=invis]
  E -> B -> A

	edge [arrowhead=normal]
	node [shape=box, style=filled, fillcolor=lightgrey, color=black]
  HEAD [fillcolor="#555555", fontcolor=white]
  master [color=red, fontcolor=red]

  HEAD -> master
  master -> E [color=red]
  feature1 -> E [weight=0]

  OLD_HEAD [label=HEAD, style=invis]
  old_master [label=master, style=dashed, color=grey, fontcolor=grey]
  OLD_HEAD -> old_master [style=invis]
  old_master -> B [style=dashed, color=grey]
  {rank=same; OLD_HEAD; old_master; B }

  { rank=same; E; HEAD; master; feature1 }
}
----

[role="incremental"]
* just move the pointer - 'Fast Forward'
* no new (merge) commit created