New portmaster with -o and other fixes

[Jiawei Ye]

On 2/23/07, Doug Barton <dougb at freebsd.org> wrote:
>    New Feature
>    ===========
>    --clean-distfiles[-all] options to check /usr/ports/distfiles for
>    stale stuff, and either offer to delete them or delete them all
>    without prompting.
Thanks for your hardwork, this is a very nice feature to have (the
lack of it is enough for me to keep the portupgrade suite).

Jiawei Ye
-- 
"If it looks like a duck, walks like a duck, and quacks like a duck,
then to the end user it's a duck, and end users have made it pretty
clear they want a duck; whether the duck drinks hot chocolate or
coffee is irrelevant."