envsetup: eat safely

    if [ "$OUT" ] ; then

        MODVERSION=`sed -n -e'/ro\.modversion/s/^.*CyanogenMod-//p' $OUT/system/build.prop`

        ZIPFILE=$OUT/update-cm-$MODVERSION-signed.zip

        if [ $(adb get-state) != device ] ; then

            echo "No device is online. Waiting for one..."

            adb wait-for-device

        fi

        echo "Pushing update-cm-$MODVERSION-signed.zip to device"

        adb push $ZIPFILE /mnt/sdcard/

        if adb push $ZIPFILE /mnt/sdcard/ ; then

            cat << EOF > /tmp/extendedcommand

ui_print("Nom nom nom nom...");

install_zip("/sdcard/update-cm-$MODVERSION-signed.zip");

EOF

        adb push /tmp/extendedcommand /cache/recovery/

        rm /tmp/extendedcommand

            if adb push /tmp/extendedcommand /cache/recovery/ ; then

                echo "Rebooting into recovery for installation"

                adb reboot recovery

            fi

            rm /tmp/extendedcommand

        fi

    else

        echo "Nothing to eat"

        return 1