[MacPorts] #63078: `port clean` can fail without identifying the failing port

[MacPorts]

#63078: `port clean` can fail without identifying the failing port
---------------------------+--------------------
  Reporter:  ShadSterling  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  base          |    Version:  2.7.1
Resolution:                |   Keywords:  clean
      Port:                |
---------------------------+--------------------

Comment (by ShadSterling):

 `port -v clean --all -f all -p` has more output, but isn't more helpful;
 ends with:
 {{{
 --->  Cleaning ssss
 --->  Removing distfiles for ssss
 --->  Removing temporary archives for ssss
 --->  Removing work directory for ssss
 --->  Cleaning sstp-client
 --->  Removing distfiles for sstp-client
 --->  Removing temporary archives for sstp-client
 --->  Removing work directory for sstp-client
 --->  Cleaning sstrings
 --->  Removing distfiles for sstrings
 --->  Removing temporary archives for sstrings
 --->  Removing work directory for sstrings
 Error: Unable to open port: can't read "configure.env": can't read
 "haskell_stack.env": can't read "haskell_stack.yaml": can't read
 "worksrcpath": can't read "worksrcdir": can't read "distname": can't read
 "name": no such variable
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/63078#comment:3>
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