Anderson Mesquita 0ca4482977 Refactor upgrade and check upgrade cmdline options
The main() function is growing too big (142 lines as of the date of this
commit), so this attempts to extract some functionality out of there and
into their own functions to make it easier to reason about them and keep
functions short and concise.
2015-12-16 14:29:37 -05:00
..
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