[ET Trac] [Einstein Toolkit] #1832: Rewrite git handling in Formaline

[Einstein Toolkit]

#1832: Rewrite git handling in Formaline
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  Reporter:  eschnett               |       Owner:                     
      Type:  defect                 |      Status:  review             
  Priority:  minor                  |   Milestone:                     
 Component:  EinsteinToolkit thorn  |     Version:  development version
Resolution:                         |    Keywords:                     
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Comment (by anonymous):

 - Formaline used the SILENT variable before. We can change this, but that
 wasn't the point of this rewrite.

 - Yes, it is necessary to do such a size check. "git gc" will perform a
 garbage collection every time you run it. It also isn't run automatically.

 - The individual steps are separated by blank lines and described via a
 brief comment. Each step uses almost all of the "configuration variables"
 that are passed in to the script, namely ($git_cmd, $git_repo,
 $git_master_repo, $git_local_repo, $git_central_repo, $git_root,
 $build_id, $config_id). Creating subroutines and passing these variables
 probably wouldn't help with clarity.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1832#comment:4>
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