[MacPorts] #62071: Tests fail if no portfiles are modified

[MacPorts]

#62071: Tests fail if no portfiles are modified
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  Reporter:  harens          |      Owner:  admin@…
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  server/hosting  |    Version:
Resolution:                  |   Keywords:
      Port:                  |
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Comment (by ryandesign):

 In [changeset:"99d77366d2598857e1545d61a3bbd224677704d4/macports-ports"
 99d77366d2598857e1545d61a3bbd224677704d4/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="99d77366d2598857e1545d61a3bbd224677704d4"
 ci: Make portlist a string not an array

 There does not seem to be any need to treat portlist as an array in this
 step since we only ever get the entire array here, and in subsequent
 steps we already treat it as string. Getting the entire array fails if
 there are no elements (i.e. if the commit only modified files that are
 not port files).

 See: https://trac.macports.org/ticket/62071
 }}}

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Ticket URL: <https://trac.macports.org/ticket/62071#comment:3>
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