[GHC] #13240: Make it easier to find builds we may want to cancel

[GHC]

#13240: Make it easier to find builds we may want to cancel
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           Reporter:  dfeuer         |             Owner:  mpickering
               Type:  feature        |            Status:  new
  request                            |
           Priority:  normal         |         Milestone:  8.4.1
          Component:  Trac & Git     |           Version:  8.0.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 I'd love to have a relatively easy way to hunt down and abort Harbormaster
 builds that aren't very useful, and perhaps to avoid some obviously
 wasteful builds. Examples:

 1. Someone pushed several versions of a single differential, and it seems
 clear that only the most recent version is likely to be of interest.

 2. A build for a different architecture/OS has failed for a reason that
 seems obviously non-platform-specific.

 3. Only documentation files have changed. Building these on one platform
 should be sufficient.

 4. A differential was closed by a commit. Only the most recent build will
 be useful, if that.

 It would also be nice to get a list of build jobs waiting for specific
 platforms. These days, for example, we seem to have a lot more demand than
 supply for OSX bots. If we could get a list of all pending OSX builds, we
 could look through them by hand and see if any should be canceled.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13240>
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