sources:
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  new-system-icons.tar.xz: 89339b8b3b05359a8745ed7968fe148902a2fa28
  depot_tools.tar.xz: 082b7f9a4dfa7eb03900755b4866aef2d73543a5
  chromium-54.0.2840.100.tar.xz: bf51814c569110714a4b1266f96c5bbc45af1a80