[MacPorts] #56171: distpath dist_subdir inconsistencies in documentation

[MacPorts]

#56171: distpath dist_subdir inconsistencies in documentation
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 Reporter:  aleb    |      Owner:
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  guide   |    Version:
 Keywords:          |       Port:
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 https://guide.macports.org/#development.creating-portfile says:


 {{{
 distpath
 Location to store downloaded distfiles.

 Value: ${portdbpath}/distfiles/${dist_subdir}/
 }}}


 {{{
 dist_subdir
 Create a sub-directory in distpath to store all fetched files
 }}}

 This means dist_subdir is used for building distpath and at the same time
 distpath is used for building dist_subdir which does not make sense.

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Ticket URL: <https://trac.macports.org/ticket/56171>
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