packer/packer_templates/_common/virtualbox.sh

#!/bin/sh -eux

#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.

# set a default HOME_DIR environment variable if not set
HOME_DIR="${HOME_DIR:-/home/vagrant}";

case "$PACKER_BUILDER_TYPE" in
virtualbox-iso|virtualbox-ovf)
    VER="`cat $HOME_DIR/.vbox_version`";
    ISO="VBoxGuestAdditions_$VER.iso";
    mkdir -p /tmp/vbox;
    mount -o loop $HOME_DIR/$ISO /tmp/vbox;
    sh /tmp/vbox/VBoxLinuxAdditions.run \
        || echo "VBoxLinuxAdditions.run exited $? and is suppressed." \
            "For more read https://www.virtualbox.org/ticket/12479";
    umount /tmp/vbox;
    rm -rf /tmp/vbox;
    rm -f $HOME_DIR/*.iso;
    ;;
esac