[GHC] #10091: Add configurable verbosity level to hpc executable

[GHC]

#10091: Add configurable verbosity level to hpc executable
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        Reporter:  Yuras             |                   Owner:  Yuras
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Code Coverage     |                 Version:  7.8.4
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  Phab:D660
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"1b82619bc2ff36341d916c56b0cd67a378a9c222/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="1b82619bc2ff36341d916c56b0cd67a378a9c222"
 Add configurable verbosity level to hpc

 Summary:
 All commands now have `--verbosity` flag, so one can configure
 cabal package with `--hpc-options="--verbosity=0"`.

 Right now it is used only in `hpc markup` to supress unnecessary
 output.

 Reviewers: austin

 Reviewed By: austin

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D660

 GHC Trac Issues: #10091
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10091#comment:3>
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