[Piuparts-devel] for review: preview/compute-urls

[Andreas Beckmann]

Andreas Beckmann (9):
      lib/conf: add get_{packages,sources}_url() methods
      lib/conf: get_packages_url(): add optional distro argument
      document mirror/distro/area/arch piuparts.conf settings
      p.conf: add area=main and arch=amd64
      p-m: compute the Packages file URL
      p-s: compute the Packages file URL
      p-r: compute the Packages and Sources file URLs
      p.conf: drop packages-url and sources-url
      remove documentation of packages-url, sources-url

don't apply in the current state, needs changelog updates and some minor
fixup (and testing it again)