ENVIRONMENT: Use new partition functions

Somewhat simplify the code, but more importantly this will allow
the pre_<op>.<ptn> and post_<op>.<ptn> environment variables to
be used.

Change-Id: I9f4c78b9795f3a7fbcb06a3432960cc6ed7fa325
Signed-off-by: Scott Anderson <[email protected]>
1 file changed