patch applied (cabal-install): Add a LocalRepo kind of Repo and refactor the Fetch code

[Duncan Coutts]

Sat Aug  2 11:07:50 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Add a LocalRepo kind of Repo and refactor the Fetch code
  This is the groundwork needed to support local repositories,
  that is ones acessable via the local filesystem and without
  a corresponding download cache. They use the same format/layout
  as the download cache of a remote repo.

    M ./Distribution/Client/Config.hs -5 +6
    M ./Distribution/Client/Fetch.hs -102 +111
    M ./Distribution/Client/IndexUtils.hs -1 +1
    M ./Distribution/Client/Install.hs -5 +5
    M ./Distribution/Client/Reporting.hs -9 +16
    M ./Distribution/Client/Types.hs -10 +9
    M ./Distribution/Client/Update.hs -6 +8

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20080802180750-adfee-3b5f85c49271269201bb17b8d353ee5c9af2d58e.gz