zshenv.local functions: ghc-pkg

To run the `ghc-pkg` command with the correct environment, example usage `ghc-pkg list`.

    ghc-pkg()
    {(
    	setopt rc_expand_param glob_subst
    	path=(
    	# Using gcc4 is experimental, comment first if problems occur
    	$(/usr/bin/cygpath -u "${__APPS}/mingw-gcc4/libexec/gcc/mingw32/4.4.0")
    	$(/usr/bin/cygpath -u "${__APPS}/mingw-gcc4/bin")
    	"$HOME/Anwendungsdaten/cabal/bin"
    	$(/usr/bin/cygpath -u $(/usr/bin/cygpath -m $(/usr/bin/cygpath -sm "${PROGRAMFILES}/haskell platform/2009.2.0.2/bin")))
    	$(/usr/bin/cygpath -u $(/usr/bin/cygpath -m $(/usr/bin/cygpath -sm "${PROGRAMFILES}/haskell platform/2009.2.0.2/extralibs/bin")))
    	"$HOME/bin/$(/usr/bin/uname -m)-$(/usr/bin/uname -o)"
    	# For gtk2hs, must be the only gtk on path
    	$(/usr/bin/cygpath -u "${__APPS}/gtk/bin")
    	"$PATH"
    	)
    	declare GHC_PACKAGE_PATH=$(/bin/cygpath -w $HOME/Anwendungsdaten/ghc/i386-mingw32-$(/usr/bin/env ghc --numeric-version | /usr/bin/sed 's/$//')/package.conf)\;
    	builtin noglob /usr/bin/env -i /usr/bin/env HOME=$(/usr/bin/cygpath -m $HOME) APPDATA=$(/usr/bin/cygpath -w $HOME/Anwendungsdaten) USERPROFILE=$(/usr/bin/cygpath -w $HOME) COMSPEC=${COMSPEC} HISTSIZE=${HISTSIZE} SAVEHIST=${SAVEHIST} TEMP=${TEMP} TMP=${TMP} PAGER=${PAGER} TERM=${TERM} PATH=${PATH} ghc-pkg --package-conf ${GHC_PACKAGE_PATH/\;/} $*
    )}