[MacPorts] #58862: git @2.23.0: make Python optional

[MacPorts]

#58862: git @2.23.0: make Python optional
--------------------------+----------------------
  Reporter:  FranklinYu   |      Owner:  ci42
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  git          |
--------------------------+----------------------
Description changed by ryandesign:

Old description:

> Python 3 is only used to interact with other version-control systems,
> such as
>
>  - Perforce, see
> [https://github.com/git/git/blob/5fa0f5238b0cd46cfe7f6fa76c3f526ea98148d9/INSTALL#L168-L170
> notes in Git source]
>  - Mercurial, which [https://www.mercurial-
> scm.org/wiki/Python3?action=recall&rev=43 hasn't be migrated to Python 3]
>
> Also refer to comments at commit [https://github.com/macports/macports-
> ports/commit/e08b6cdac7b5c880d19a3b4e188e3ff11ffa0b9b e08b6cd].

New description:

 Python 3 is only used to interact with other version-control systems, such
 as

  - Perforce, see
 [https://github.com/git/git/blob/5fa0f5238b0cd46cfe7f6fa76c3f526ea98148d9/INSTALL#L168-L170
 notes in Git source]
  - Mercurial, which [https://www.mercurial-
 scm.org/wiki/Python3?action=recall&rev=43 hasn't be migrated to Python 3]

 Also refer to comments at [e08b6cdac7b5c880d19a3b4e188e3ff11ffa0b9b
 /macports-ports].

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Ticket URL: <https://trac.macports.org/ticket/58862#comment:3>
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