[ET Trac] [Einstein Toolkit] #261: GetComponents misleading warning message

[Einstein Toolkit]

#261: GetComponents misleading warning message
------------------------------+---------------------------------------------
 Reporter:  bmundim           |       Owner:  eric9
     Type:  defect            |      Status:  new  
 Priority:  minor             |   Milestone:       
Component:  GetComponents     |     Version:       
 Keywords:  warning messages  |  
------------------------------+---------------------------------------------
 I receive the following kind of warning quite often when updating my tree:

 -----------------------------------------------------------------
   Updating module: Carpet/doc
   from repository: git://carpetcode.dyndns.org/carpet
        located in: Cactus/arrangements
 Executing: git stash
        In: /work/01157/bcmundim/einstein_dev_chandra/Cactus/repos/carpet
 No local changes to save
 Executing: git pull --rebase
        In: /work/01157/bcmundim/einstein_dev_chandra/Cactus/repos/carpet
 Current branch master is up to date.
 Executing: git stash pop
        In: /work/01157/bcmundim/einstein_dev_chandra/Cactus/repos/carpet
 fatal: Needed a single revision
 : no valid stashed state found

 Warning: Could not update carpet. Could not pop stashed changes.

 -----------------------------------------------------------------

 I am not sure what 'fatal: Needed a single revision' means, but if the
 current branch is already up to date, why do I receive a warning message
 saying that
 GetComponents couldn't update the repository?

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/261>
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