[MacPorts] #43280: cannot cancel fetch

[MacPorts]

#43280: cannot cancel fetch
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  Reporter:  ryandesign@…  |      Owner:  cal@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  base          |    Version:  2.2.99
Resolution:                |   Keywords:
      Port:                |
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Changes (by cal@…):

 * owner:  macports-tickets@… => cal@…
 * cc: cal@… (removed)


Comment:

 Yes, I'm aware of that. It gets even worse in verbose mode, where ^C
 doesn't abort until the download is completed. The try-catch-block that
 wraps `curl fetch` needs to detect whether the download was stopped
 because of a signal, and if it was pass the error up instead of trying the
 next mirror.

 The curl code also needs to me sure it aborts immediately when receiving a
 signal. I'm not sure how we can do given the way the curl API looks. We
 might have to switch to `curl_multi_perform`.

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Ticket URL: <https://trac.macports.org/ticket/43280#comment:1>
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