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#! /bin/bash
#
# Determine package extra dependencies from package metadata
#
# Copyright (C) 2011 Giovanni Mascellani <gio@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of either:
#
# 1) The terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License along
#    with this program; if not, write to the Free Software Foundation, Inc.,
#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# 2) BSD 3-clause license.
# 
#    All rights reserved.
#
#    Redistribution and use in source and binary forms, with or without
#    modification, are permitted provided that the following conditions are
#    met:
#
#      * Redistributions of source code must retain the above copyright
#        notice, this list of conditions and the following disclaimer.
#
#      * Redistributions in binary form must reproduce the above
#        copyright notice, this list of conditions and the following
#        disclaimer in the documentation and/or other materials provided
#        with the distribution.
#
#      * The names of contributors may not be used to endorse or promote
#        products derived from this software without specific prior
#        written permission. 
#
#    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

set -e 

hc=$1
shift

. /usr/share/haskell-devscripts/Dh_Haskell.sh

# PS4=" + dh_haskell_extra_depends> "
# set -x

extradeps=''
for dep in `cabal_depends $files` ; do
    dep_package_ver=`echo $dep | grep '^.\+-[0-9\.]\+-................................$' | sed 's|^\(.\+\)-\([0-9.]\+\)-[0-9a-f]\+$|\1-\2|'`
    extra_packages_file=/usr/lib/haskell-packages/extra-packages/$dep_package_ver
    if [ -f $extra_packages_file ] ; then
        extradeps="$extradeps, `cat $extra_packages_file`"
    fi
done
echo $extradeps | sed -e 's/^,[ ]*//' > debian/extra-depends-${hc}