[MacPorts] #59811: ccls enhancement

[MacPorts]

#59811: ccls enhancement
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 Reporter:  casouri  |      Owner:  (none)
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.6.2
 Keywords:           |       Port:  ccls
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 ccls could have some enhancements:

 1. currently ccls port is a meta port and doesn't install any executable.
 That is confusing because people (me) type {{{sudo port install ccls}}}
 and expect ccls binary to be installed. I suggest hiding ccls port
 altogether to avoid confusion.

 2. The two subports ccls-clang-7.0 and ccls-clang-8.0 install executables
 named ccls-clang-7.0 and ccls-clang-8.0 - that's confusing too because
 most users and programs expect the "ccls" executable. We should add a
 selection group and a default selection so there is an executable named
 ccls automatically and users can easily switch between the two subports.

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Ticket URL: <https://trac.macports.org/ticket/59811>
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