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nixpkgs/pkgs/development/compilers/ghc/ghc-get-packages.sh
Peter Simons ad0b6441f8 pkgs/development/compilers/ghc/ghc-get-packages.sh: append global "package.conf" to the list of package config files
The wrapper script for ghc-pkg changes the command's default behavior such that
global packages -- i.e. packages that are part of GHC itself -- are no longer
found:

  $ ghc-pkg describe base
  ghc-pkg: cannot find package base

This patch remedies the problem.

svn path=/nixpkgs/trunk/; revision=19256
2010-01-06 12:55:25 +00:00

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#! /bin/sh
# Usage:
# $1: version of GHC
# $2: invocation path of GHC
# $3: prefix
version="$1"
if test -z "$3"; then
prefix="-package-conf "
else
prefix="$3"
fi
PATH="$2:$PATH"
IFS=":"
for p in $PATH; do
PkgDir="$p/../lib/ghc-pkgs/ghc-$version"
for i in $PkgDir/*.installedconf; do
# output takes place here
test -f $i && echo -n " $prefix$i"
done
done
test -f "$2/../lib/ghc-$version/package.conf" && echo -n " $prefix$2/../lib/ghc-$version/package.conf"