[MacPorts] #46927: record successfully applied patches in the statefile

[MacPorts]

#46927: record successfully applied patches in the statefile
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  Reporter:  rjvbertin@…  |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:
Resolution:               |   Keywords:  haspatch
      Port:               |
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Comment (by rjvbertin@…):

 Now why didn't I find this ticket when I looked for it...

 Anyway, how would one best improve this to remove the need to revert a
 failed patch manually? The `patch` command has a `--dry-run` option which
 allows to test a patch without actually applying it. I guess it'd make
 sense to do such a dry run initially by prepending the option to the
 `pre_args`, but I've failed to achieve that until now :-/

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Ticket URL: <https://trac.macports.org/ticket/46927#comment:3>
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