Improve vulnerability checking
Use the return value of the pkg audit command instead of parsing its output
The output will change in the next version of pkg
Approved by: mat (portmgr)
Reviewed by: mat (portmgr)
Differential Revision: https://reviews.freebsd.org/D20376
Extract the larger bsd.port.mk targets into separate scripts.
Refactor all the fetch code so that there are not 6 slightly different
versions of it but one that does it all.
The targets that have been extracted are:
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