Fetch
-----

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

  G [style=filled, fillcolor=coral1, color=red]
  G -> F [color=red]
  F -> E
  E -> B [weight=0]
  D -> C -> B -> A

  L[style=invis] R[style=invis]
  A1[label=A]
  B1[label=B]
  C1[label=C]
  D1[label=D]
  E1[label=E]
  F1[label=F]
  G1[label=G]

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

  HEAD -> master -> D
  "release1.0" [color=red, fontcolor=red]
  "release1.0" -> G [weight=0, color=red]
  { rank=same; G; "release1.0" }

  { rank=same; F; D; master; release_old }
  { rank=same; E; C }

  release_old [label="release1.0", style=dashed, color=grey, fontcolor=grey]
  F -> release_old [dir=back, style=dashed, color=grey]

  D -> F [style=invis]
  release_old -> L [style=invis]

  L [style=invis] R [style=invis] L -> R [label=fetch, style=dotted, penwidth=2,
    arrowhead=vee, color=red, fontname=arial, fontsize=30]
  { rank=same; A; L; R; A1 }

	edge [arrowhead=none]

  G1 [style=filled, fillcolor=coral1, color=red]
  G1 -> F1 [color=red]
  F1 -> E1
  E1 -> B1 [weight=0]
  D1 -> C1 -> B1 -> A1

	edge [arrowhead=normal]
	node [shape=box, style=filled, fillcolor=lightgrey, color=black]
	HEAD1 [label=HEAD, fillcolor="#555555", fontcolor=white]
  master1 [label="master"]
  "origin/master" [fillcolor=lightskyblue]
  "origin/release1.0" [fillcolor=lightskyblue]

  HEAD1 -> master1 -> D1
  "origin/release1.0" -> G1 [weight=0]
  { rank=same; G1; "origin/release1.0" }
  { rank=same; F1; D1; master1; release1_old }
  "origin/master" -> D1

  release1_old [label="origin/release1.0", style=dashed, color=grey, fontcolor=grey]
  F1 -> release1_old [dir=back, style=dashed, color=grey]

  D1 -> F1 [style=invis]
  master1 -> R [style=invis]

  remote [label="remote 'origin' repo", style=none, color=none]
  A -> remote [style=invis]
  local [label="local repo", style=none, color=none]
  A1 -> local [style=invis]
}
----

* `fetch` updates the remote tracking branches to bring the changes done in
  the remote branches