[MacPorts] #44815: "port uninstall --follow-dependencies" no longer follows all dependencies

[MacPorts]

#44815: "port uninstall --follow-dependencies" no longer follows all dependencies
--------------------------------+----------------------
 Reporter:  larryv@…            |      Owner:  shasha@…
     Type:  defect              |     Status:  new
 Priority:  Normal              |  Milestone:
Component:  base                |    Version:  2.3.1
 Keywords:  gsoc14-interactive  |       Port:
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 With base at r124909:
 {{{
 % port installed leaves
 None of the specified ports are installed.
 % sudo port install py34-flask
 --->  Computing dependencies for py34-flask
 The following dependencies will be installed:
  py34-itsdangerous
  py34-jinja2
  py34-markupsafe
  py34-setuptools
  py34-werkzeug
 Continue? [Y/n]:
 --->  Fetching distfiles for py34-setuptools
 }}}
 {{{
 ---------->8----------
 }}}
 {{{
 --->  Activating py34-flask @0.10.1_1
 --->  Cleaning py34-flask
 --->  Updating database of binaries
 --->  Scanning binaries for linking errors
 --->  No broken files found.
 % port installed leaves
 None of the specified ports are installed.
 % sudo port uninstall --follow-dependencies py34-flask
 --->  Deactivating py34-flask @0.10.1_1
 --->  Cleaning py34-flask
 --->  Uninstalling py34-flask @0.10.1_1
 The following dependencies will be uninstalled:
  py34-itsdangerous @0.24_0
  py34-jinja2 @2.7.3_0
  py34-werkzeug @0.9.6_0
  py34-markupsafe @0.23_0
 Continuing in 08 s. Press Ctrl-C to exit:
 --->  Deactivating py34-itsdangerous @0.24_0
 --->  Cleaning py34-itsdangerous
 --->  Uninstalling py34-itsdangerous @0.24_0
 --->  Cleaning py34-itsdangerous
 --->  Deactivating py34-jinja2 @2.7.3_0
 --->  Cleaning py34-jinja2
 --->  Uninstalling py34-jinja2 @2.7.3_0
 --->  Cleaning py34-jinja2
 --->  Deactivating py34-werkzeug @0.9.6_0
 --->  Cleaning py34-werkzeug
 --->  Uninstalling py34-werkzeug @0.9.6_0
 --->  Cleaning py34-werkzeug
 --->  Deactivating py34-markupsafe @0.23_0
 --->  Cleaning py34-markupsafe
 --->  Uninstalling py34-markupsafe @0.23_0
 --->  Cleaning py34-markupsafe
 --->  Cleaning py34-flask
 % port installed leaves
 The following ports are currently installed:
   py34-setuptools @5.7_0 (active)
 %
 }}}

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Ticket URL: <https://trac.macports.org/ticket/44815>
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