[GHC] #10550: Drop truncated package name prefix from package keys

[GHC]

#10550: Drop truncated package name prefix from package keys
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        Reporter:  ezyang            |                   Owner:  ezyang
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Package system    |                 Version:  7.11
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  Phab:D1011
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Comment (by Edward Z. Yang <ezyang@…>):

 In [changeset:"ece2c4349718cf89b291ff3c962cbda4805bab43/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="ece2c4349718cf89b291ff3c962cbda4805bab43"
 Drop prefix from package keys.

 Summary:
 Contains Cabal submodule update, as Cabal is responsible
 generating package keys.  We also have to update some output.

 Also comes with a documentation update for ghc-pkg in the
 user manual for --package-key.

 Signed-off-by: Edward Z. Yang <ezyang at cs.stanford.edu>

 Test Plan: validate

 Reviewers: simonpj, austin

 Subscribers: thomie, bgamari

 Differential Revision: https://phabricator.haskell.org/D1011

 GHC Trac Issues: #10550
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10550#comment:6>
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