setup-environment

if [ -z "$ZSH_NAME" ] && [ "x$0" = "x./setup-environment" ]; then
    echo >&2 "Error: This script needs to be sourced. Please run as '. ./setup-environment'"
else
    if [ -n "$BASH_SOURCE" ]; then
        layerdir="`dirname $BASH_SOURCE`"
    elif [ -n "$ZSH_NAME" ]; then
        layerdir="`dirname $0`"
    else
        layerdir="`pwd`"
    fi
    layerdir=`readlink -f "$layerdir"`

    if [ -f conf/local.conf -o -f conf/bblayers.conf ]; then
        # Assuming we're already in the build dir
        BUILDDIR=$PWD
    else
        BUILDDIR=$PWD/build
    fi

    for i in $(seq $#); do
        arg="$(eval printf "%s" "\$$i")"
        case "$arg" in
            -b)
                BUILDDIR="$(eval printf "%s" "\$$(expr $i + 1)")"
                if [ -z "$BUILDDIR" ]; then
                    echo >&2 "-b requires an argument"
                fi
                ;;
        esac
    done

    OPTIONALLAYERS="${OPTIONALLAYERS:-mentor-private tracing-layer}"
    EXCLUDEDLAYERS="$EXCLUDEDLAYERS"
    # Customer directory layers handling (e.g. <customername>-custom)
    if [ -e "$layerdir/../customer.conf" ] ; then
        for CUSTOMER in $(cat $layerdir/../customer.conf) ; do
            if [ -d "$CUSTOMER-custom" ] ; then
                if [ -e "$CUSTOMER-custom/custom.conf" ] ; then
                    CUSTOMERLAYERS=`cat $CUSTOMER-custom/custom.conf | sed -e '/^[ 	]*#/d'`
                    CUSTOMERLAYERS=`echo $CUSTOMERLAYERS | sed -e 's/\n//g'`
                    OPTIONALLAYERS="$OPTIONALLAYERS $CUSTOMERLAYERS"
                    unset CUSTOMERLAYERS
                fi
            fi
        done
        unset CUSTOMER
    fi

    # Hotfix layers handling
    if [ -e "$layerdir/../hotfixes/hotfix.conf" ] ; then
        HOTFIXES=`cat $layerdir/../hotfixes/hotfix.conf | sed -e '/^[ 	]*#/d'`
        HOTFIXES=`echo $HOTFIXES | sed -e 's/\n//g'`
        OPTIONALLAYERS="$OPTIONALLAYERS $HOTFIXES"
        unset HOTFIXES
    fi

    # Extra layers handling
    if [ -e "$layerdir/../xlayers.conf" ] ; then
        EXTRALAYERS=`cat $layerdir/../xlayers.conf | sed -e '/^[ 	]*#/d'`
        EXTRALAYERS=`echo $EXTRALAYERS | sed -e 's/\n//g'`
        OPTIONALLAYERS="$OPTIONALLAYERS $EXTRALAYERS"
        unset EXTRALAYERS
    fi

    OPTIONALLAYERS="$OPTIONALLAYERS" EXTRAMELLAYERS="$EXTRAMELLAYERS" EXCLUDEDLAYERS="$EXCLUDEDLAYERS" $layerdir/scripts/setup-mel-builddir "$@"
    if [ $? -eq 0 ] && [ -n "$BUILDDIR" ] && [ -e "$BUILDDIR" ]; then
        . $BUILDDIR/setup-environment >/dev/null 2>&1

        configured_layers () {
            tac $BUILDDIR/conf/bblayers.conf | \
                sed -n -e '/^"/,/^BBLAYERS = /{ /^BBLAYERS =/d; /^"/d; p;}' | \
                awk {'print $1'}
        }

        load_lconf_snippet () {
            if [ ! -e "$1/$2" ]; then
                return
            fi
            (
                lheadername="${1##*/}/$2"
                printf '\n## Begin %s\n\n' "$lheadername"
                cat "$1/$2"
                printf '\n## End %s\n' "$lheadername"
            ) >>conf/local.conf
        }

        sed -i -n -e ":out; /^## Begin /{ :loop; /^## End /{ d; b out; }; n; b loop; }; p;" conf/local.conf
        SETUP_ENV_MACHINE="$(sed -n -e 's/^MACHINE *?*= *"\(.*\)"/\1/p' "$BUILDDIR/conf/local.conf")"
        configured_layers | while read layer; do
            if [ -e $layer/post-setup-environment ]; then
              . $layer/post-setup-environment
            fi
            load_lconf_snippet "$layer" "conf/local.conf.append"
            load_lconf_snippet "$layer" "conf/local.conf.append.$SETUP_ENV_MACHINE"
        done
        . $BUILDDIR/setup-environment
        unset SETUP_ENV_MACHINE
        unset load_lconf_snippet
        unset configured_layers
    fi
    unset EXTRAMELLAYERS
    unset OPTIONALLAYERS
    unset EXCLUDEDLAYERS
    unset layerdir
fi