[MacPorts] #64052: py*-grpcio* @1.41.1_2: don't fetch from git

[MacPorts]

#64052: py*-grpcio* @1.41.1_2: don't fetch from git
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  Reporter:  cooljeanius                         |      Owner:  (none)
      Type:  enhancement                         |     Status:  new
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:
Resolution:                                      |   Keywords:
      Port:  py37-grpcio py37-grpcio-tools       |
  py38-grpcio py38-grpcio-tools py39-grpcio      |
  py39-grpcio-tools                              |
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Comment (by ryandesign):

 There are no source code release tarballs there.
 "grpc_objective_c_plugin-1.42.0-macos-x86_64.zip" is a precompiled binary
 which we do not use. If you are referring to the two links "Source code
 (zip)" and "Source code (tar.gz)", those are automatically generated
 tarballs, which never contain git submodules. This project uses and
 requires the presence of submodules. This is one of the primary reasons
 why a port might fetch from git.

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Ticket URL: <https://trac.macports.org/ticket/64052#comment:4>
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