[MacPorts] #37130: github portgroup: github.tarball_from downloads should set livecheck.url

[MacPorts]

#37130: github portgroup: github.tarball_from downloads should set livecheck.url
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  Reporter:  aronnax@…    |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.1.2
Resolution:               |   Keywords:
      Port:               |
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Changes (by ryandesign@…):

 * cc: ryandesign@… (added)


Comment:

 I thought about this problem when creating the portgroup, but didn't solve
 it then because there were not that many ports needing to download from
 downloads instead of tags, and even fewer of those that had downloads but
 not tags.

 Your projects have tags, so why not let the default github portgroup
 livecheck use those?

 The fourth argument to github.setup is currently called tag_prefix. If
 we're going to change the livecheck when downloads are from downloads and
 not from tags, then that parameter's name should be changed, since then it
 would be the prefix of either the tag or the download.

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Ticket URL: <https://trac.macports.org/ticket/37130#comment:1>
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