id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc	difficulty	ghcversion	platform
226	Cabal install should upgrade in the correct order.	guest		"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 ...]
}}}"	enhancement	closed	normal		cabal-install tool	HEAD	normal	fixed			normal	6.8.2