[MacPorts] #49539: git-flow install fails on El Capitan

[MacPorts]

#49539: git-flow install fails on El Capitan
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 Reporter:  nhoj.patrick@…  |      Owner:  macports-tickets@…
     Type:  defect          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.3.4
 Keywords:                  |       Port:  git-flow
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 git-flow won't install, tried clean then install. Issue looks very similar
 to https://trac.macports.org/ticket/45704

 if I do git config --list it does show user.name and user.email.

 $ /usr/bin/git --version
 git version 2.4.9 (Apple Git-60)

 $ git --version
 git version 2.6.2

 $ xcodebuild -version
 Xcode 7.1
 Build version 7B91b

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Ticket URL: <https://trac.macports.org/ticket/49539>
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