[GHC] #9005: Ship default bash completion file with ghc

[GHC]

#9005: Ship default bash completion file with ghc
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              Reporter:  td123       |            Owner:  kolmodin
                  Type:  feature     |           Status:  new
  request                            |        Milestone:
              Priority:  lowest      |          Version:  7.8.2
             Component:  None        |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D536   |
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"643635ea1d779054e1bb3b1825cd7894c5748811/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="643635ea1d779054e1bb3b1825cd7894c5748811"
 Add bash completion and README

 Summary:
 The bash completion is simple but works both for ghc and ghci.
 The README explains to the user what they have to do to get
 it working (hopefully nothing).

 Test Plan: Follow the README, then enjoy the cli completion in your
 terminal!

 Reviewers: austin

 Subscribers: thomie, carter, jstolarek

 Differential Revision: https://phabricator.haskell.org/D536

 GHC Trac Issues: #9005
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9005#comment:4>
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