[Hackage] #226: Cabal install should upgrade in the correct order.

[Hackage]

#226: Cabal install should upgrade in the correct order.
---------------------------------+------------------------------------------
  Reporter:  guest               |        Owner:       
      Type:  enhancement         |       Status:  new  
  Priority:  normal              |    Milestone:       
 Component:  cabal-install tool  |      Version:  HEAD 
  Severity:  normal              |     Keywords:       
Difficulty:  normal              |   Ghcversion:  6.8.2
  Platform:                      |  
---------------------------------+------------------------------------------
 Also, `cabal upgrade package-name` should probably upgrade that packages
 and dependencies, but not other packages.

 Here was my session with darcs cabal-install 2008-01-31:

 {{{
 $ cabal upgrade
 Upgrading the following packages:
 cgi-3001.1.5.2
 hmatrix-0.2.0.0
 pcre-light-0.3
 regex-base-0.93.1
 regex-compat-0.91
 regex-posix-0.93.1
 TypeCompose-0.3
 xhtml-3000.0.2.2
 zlib-0.4.0.2
 Downloading 'cgi-3001.1.5.2'...
 [... cgi upgrades fine ...]
 Configuring regex-compat-0.91...
 setup: At least the following dependencies are missing:
     regex-base >=0.93, regex-posix >=0.93
 Downloading 'TypeCompose-0.3'...
 Downloading 'xhtml-3000.0.2.2'...
 Downloading 'zlib-0.4.0.2'...
 cabal: Error: some packages failed to install:
   zlib-0.4.0.2
   xhtml-3000.0.2.2
   TypeCompose-0.3
   regex-compat-0.91
   regex-posix-0.93.1
   regex-base-0.93.1
   pcre-light-0.3
   hmatrix-0.2.0.0

 $ cabal upgrade regex-base
 Upgrading the following packages:
 hmatrix-0.2.0.0
 pcre-light-0.3
 regex-base-0.93.1
 regex-compat-0.91
 regex-posix-0.93.1
 TypeCompose-0.3
 xhtml-3000.0.2.2
 zlib-0.4.0.2
 'hmatrix-0.2.0.0' is cached.
 [... everything through TypeCompose upgrades fine ...]
 'xhtml-3000.0.2.2' is cached.
 Configuring xhtml-3000.0.2.2...
 'zlib-0.4.0.2' is cached.
 Configuring zlib-0.4.0.2...
 [... zlib upgrades fine ...]
 cabal: Error: some packages failed to install:
   xhtml-3000.0.2.2

 $ cabal upgrade
 Upgrading the following packages:
 xhtml-3000.0.2.2
 'xhtml-3000.0.2.2' is cached.
 Configuring xhtml-3000.0.2.2...
 [... succeeds ...]
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/226>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects