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#!/bin/sh

# OE Build Enviroment Setup Script
#
# Copyright (C) 2006-2011 Linux Foundation
#
# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

if [ -z "$BUILDDIR" ]; then
    echo >&2 "Error: The build directory (BUILDDIR) must be set!"
    exit 1
fi

mkdir -p $BUILDDIR/conf

if ! (test -d "$BUILDDIR"); then
    echo >&2 "Error: The builddir ($BUILDDIR) does not exist!"
    exit 1
fi

if ! (test -w "$BUILDDIR"); then
    echo >&2 "Error: Cannot write to $BUILDDIR, perhaps try sourcing with a writable path? i.e. . oe-init-build-env ~/my-build"
    exit 1
fi

cd "$BUILDDIR"

TEMPLATECONF=${TEMPLATECONF:conf}

# 
# $TEMPLATECONF can point to a directory for the template local.conf & bblayers.conf
#
if [ "x" != "x$TEMPLATECONF" ]; then
    if ! (test -d "$TEMPLATECONF"); then
	# Allow TEMPLATECONF=meta-xyz/conf as a shortcut
	if [ -d "$OEROOT/$TEMPLATECONF" ]; then
	    TEMPLATECONF="$OEROOT/$TEMPLATECONF"
	fi
	if ! (test -d "$TEMPLATECONF"); then
	    echo >&2 "Error: '$TEMPLATECONF' must be a directory containing local.conf & bblayers.conf"
	    return
	fi
    fi
    OECORELAYERCONF="$TEMPLATECONF/bblayers.conf.sample"
    OECORELOCALCONF="$TEMPLATECONF/local.conf.sample"
fi

if [ "x" = "x$OECORELOCALCONF" ]; then
    OECORELOCALCONF="$OEROOT/conf/local.conf.sample"
fi
if ! (test -r "$BUILDDIR/conf/local.conf"); then
cat <<EOM
Default conf/local.conf file created.
EOM
    cp -f $OECORELOCALCONF $BUILDDIR/conf/local.conf
fi

if [ "x" = "x$OECORELAYERCONF" ]; then
    OECORELAYERCONF="$OEROOT/conf/bblayers.conf.sample"
fi
if ! (test -r "$BUILDDIR/conf/bblayers.conf"); then
cat <<EOM
Default conf/bblayers.conf file created.
EOM

    # Put the abosolute path to the layers in bblayers.conf so we can run
    # bitbake without the init script after the first run
    sed "s|##COREBASE##|$OEROOT|g" $OECORELAYERCONF > $BUILDDIR/conf/bblayers.conf
fi

# Prevent disturbing a new GIT clone in same console
unset OECORELOCALCONF
unset OECORELAYERCONF

cat <<EOM

1. You can now run 'bitbake discovery-image'
2. You can also run generated qemu images with a command like 'runqemu discovery-image vexpressa9'

EOM