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#!/bin/bash
#   pbuilder -- personal Debian package builder
#   Copyright (C) 2001,2002,2003,2005-2007 Junichi Uekawa
#   Copyright (C) 2007 Loïc Minier
#
#   This program is free software; you can redistribute it and/or modify
#   it under 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 St, Fifth Floor, Boston, MA  02110-1301 USA
#
# module to satisfy build dependencies; aptitude flavor

set -e

function checkbuilddep_internal () {
# Use this function to fulfill the dependency (almost)
    local ARCH=$(dpkg-architecture -qDEB_HOST_ARCH)
    local BUILD_DEP_DEB_DIR
    local BUILD_DEP_DEB_CONTROL
    local DEPENDS
    local CONFLICTS
    echo " -> Attempting to satisfy build-dependencies $Id$"
    DEPENDS="$(cat ${DEBIAN_CONTROL} | \
	awk '
BEGIN{source=1} 
/^$/      {source=0} 
/^Source:/      {source=1} 
/^[^ ]*:/ {p=0} 
tolower($0) ~ /^'"${BD_REGEXP}"':/   {p=1} 
{if(p && source) {print $0}}'  | \
	sed 's/^[^: ]*://')"
    CONFLICTS="$(cat "${DEBIAN_CONTROL}" | \
	awk 'BEGIN{source=1} 
/^$/      {source=0} 
/^Source:/      {source=1} 
/^[^ ]*:/{p=0} 
tolower($0) ~ /^'"${BC_REGEXP}"':/   {p=1} 
{if(p && source) {print $0}}'  | \
	sed 's/^[^: ]*://')"
    echo " -> Creating pbuilder-satisfydepends-dummy package"
    BUILD_DEP_DEB_DIR="/tmp/satisfydepends-aptitude"
    BUILD_DEP_DEB_CONTROL="$BUILD_DEP_DEB_DIR/pbuilder-satisfydepends-dummy/DEBIAN/control"
    $CHROOTEXEC mkdir -p "$BUILD_DEP_DEB_DIR/pbuilder-satisfydepends-dummy/DEBIAN/"
    $CHROOTEXEC sh -c "cat >\"$BUILD_DEP_DEB_CONTROL\"" <<EOF
Package: pbuilder-satisfydepends-dummy
Version: 0.invalid.0
Architecture: $ARCH
Maintainer: Debian Pbuilder Team <pbuilder-maint@lists.alioth.debian.org>
Description: Dummy package to satisfy dependencies with aptitude - created by pbuilder
 This package was created automatically by pbuilder and should
EOF
    if [ -n "$DEPENDS" ]; then
        $CHROOTEXEC sh -c "echo \"Depends: $DEPENDS\" >>\"$BUILD_DEP_DEB_CONTROL\""
    fi
    if [ -n "$CONFLICTS" ]; then
        $CHROOTEXEC sh -c "echo \"Conflicts: $CONFLICTS\" >>\"$BUILD_DEP_DEB_CONTROL\""
    fi
    $CHROOTEXEC sh -c "cat \"$BUILD_DEP_DEB_CONTROL\""
    $CHROOTEXEC sh -c "dpkg-deb -b \"$BUILD_DEP_DEB_DIR/pbuilder-satisfydepends-dummy\""
    $CHROOTEXEC apt-get -y --force-yes install aptitude
    $CHROOTEXEC dpkg -i "$BUILD_DEP_DEB_DIR/pbuilder-satisfydepends-dummy.deb" || true
    $CHROOTEXEC aptitude -y install pbuilder-satisfydepends-dummy
    echo " -> Finished parsing the build-deps"
}


function print_help () {
    # print out help message
    cat <<EOF
pbuilder-satisfydepends -- satisfy dependencies
Copyright 2002-2007  Junichi Uekawa <dancer@debian.org>

--help:        give help
--control:     specify control file (debian/control, *.dsc)
--chroot:      operate inside chroot
--binary-all:  include binary-all
--binary-arch: include binary-arch only
--echo:        echo mode, do nothing. (--force-version required for most operation)
--force-version: skip version check.
--continue-fail: continue even when failed.

EOF
}


DEBIAN_CONTROL=debian/control
CHROOTEXEC=""
BD_REGEXP="build-(depends|depends-indep)"
BC_REGEXP="build-(conflicts|conflicts-indep)"
FORCEVERSION=""
CONTINUE_FAIL="no"


while [ -n "$1" ]; do
    case "$1" in
	--control|-c)
	    DEBIAN_CONTROL="$2"
	    shift; shift
	    ;;
	--chroot)
	    CHROOTEXEC="chroot $2 "
	    shift; shift
	    ;;
	--internal-chrootexec)
	    CHROOTEXEC="$2"
	    shift; shift 
	    ;;
	--binary-all)
	    BD_REGEXP='build-(depends|depends-indep)'
	    BC_REGEXP='build-(conflicts|conflicts-indep)'
	    shift
	    ;;
	--binary-arch)
	    BD_REGEXP='build-depends'
	    BC_REGEXP='build-conflicts'
	    shift
	    ;;
	--echo)
	    CHROOTEXEC="echo $CHROOTEXEC"
	    shift
	    ;;
	--continue-fail)
	    CONTINUE_FAIL="yes"
	    shift
	    ;;
	--force-version)
	    FORCEVERSION="yes"
	    shift;
	    ;;
	--help|-h|*)
	    print_help
	    exit 1
	    ;;
    esac
done


checkbuilddep_internal