On Sep 25, 2014, at 12:50 PM, Eric Gallager wrote:
> 
> normally as a half-measure I find myself
> duplicating all of my calls to `system` in Portfiles: first as a call
> to `ui_debug`, to show what the call to `system` is actually going to
> do, and then the actual call to `system` itself. While it might not be
> quite the same as having the actual output, it can at least function
> as a crude sort of "printf debugging"...

This is tangential to this thread, but: why don't we make `system` 
automatically `ui_debug` what it's doing?
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