[GHC] #12637: ghc-pkg: Allow unregistering multiple packages in one call

[GHC]

#12637: ghc-pkg: Allow unregistering multiple packages in one call
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        Reporter:  nh2               |                Owner:
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  D2550
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"0014fa56e9f2fe936da85627c92a288037c8c19b/ghc"
 0014fa56/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="0014fa56e9f2fe936da85627c92a288037c8c19b"
 ghc-pkg: Allow unregistering multiple packages in one call

 Reviewers: austin, bgamari

 Reviewed By: bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2550

 GHC Trac Issues: #12637
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12637#comment:3>
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