[MacPorts] #43210: Missing error messages

[MacPorts]

#43210: Missing error messages
-------------------------+------------------------
  Reporter:  ryandesign  |      Owner:  neverpanic
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  base        |    Version:  2.2.99
Resolution:              |   Keywords:
      Port:              |
-------------------------+------------------------

Comment (by jmroot):

 I set up the same situation with 3 dummy ports and got this result:
 {{{
 % sudo port upgrade testport1
 --->  Computing dependencies for testport1
 --->  Dependencies to be installed: testport2
 --->  Activating testport2 @1.1_0
 Error: Failed to activate testport2: Image error:
 /opt/local/share/doc/testport2/foo is being used by the active testport3
 port.  Please deactivate this port first, or use 'port -f activate
 testport2' to force the activation.
 Error: See /opt/local/var/macports/logs/_Users_josh_Coding_dports-
 dev_local_test_testport2/testport2/main.log for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 }}}
 Maybe this is only an issue in conjunction with whatever made the portfile
 in the registry fail?

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Ticket URL: <https://trac.macports.org/ticket/43210#comment:5>
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