packaging: add command line flag to add extra vars to pyoxidizer...
packaging: add command line flag to add extra vars to pyoxidizer
This felt simpler than the previous incarnation of injecting
content into the WiX build. I decided the easiest way to pass
an arbitrary map into the process was some json - I may regret this,
but time will tell on that.
Differential Revision:
https://phab.mercurial-scm.org/D11093