[arch-dev-public] [IDEA] no packages older than one year in repos

[Dieter Plaetinck]

a slightly modified approach with some pros (no unnecessary rebuilds)
and some cons (more administration overhead):

- keep track of dates of all policy changes in a textfile/database.
  or just the date of the latest policy change.

- rebuild packages if they are not rebuilt for $foo time and there has
  been a policy change since the last rebuild. 

you could also make $foo different depending on the gravity of the
last policy change.

Dieter