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libguestfs/customize
Richard W.M. Jones f7664b7f76 customize: Add Customize_utils module and use common error/warning/info functions.
Add a Customize_utils module.  This contains common error/warning/info
functions, and also quote = Filename.quote.

Examine every existing call to printf/eprintf and change where
necessary so that:

 - error is used instead of eprintf + exit 1

 - warning no longer needs ~prog argument (it is added by Utils module)

 - any verbose output should go to stdout, not stderr

 - info is used to print general informational messages

Also, don't pass ~prog parameter around.  Instead we just get it from
the executable name.
2014-10-25 15:00:21 +01:00
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