portupgrade-devel: 2 feature requests

[Aryeh M. Friedman]

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How hard would it be to add the following to portupgrade-devel:

1. Progress report for -a builds (i.e. after and/or at the start of a 
port build it says how many ports are left to be processed)

2. Interruptible -a builds (i.e. portupgrade -af will restart from where 
it was last interrupted [perhaps with an additional flag?])

Also two behaviours that make no sense to me:

1. When doing portinstall and/or portupgrade -af on a large set 
dependant ports (such as xorg) the default options get built *BEFORE* 
the option screen is displayed.   For example when doing xorg-drivers 
nv, ati/radeon/i810 are built before it asks you what drivers to build.


2. When doing a portupgrade -af the order of builds seems to not follow 
any pattern interms of depend relationships (topo sort?)
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