nix-tools/lib/util-iso-aufs.sh
2016-10-11 17:12:38 +02:00

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#!/bin/bash
#
# 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; version 2 of the License.
#
# 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.
track_image() {
info "%s mount: [%s]" "${iso_fs}" "$6"
mount "$@" && IMAGE_ACTIVE_MOUNTS=("$6" "${IMAGE_ACTIVE_MOUNTS[@]}")
}
# $1: new branch
mount_image(){
IMAGE_ACTIVE_MOUNTS=()
track_image -t aufs -o br="$1":${work_dir}/rootfs=ro none "$1"
}
mount_image_custom(){
IMAGE_ACTIVE_MOUNTS=()
track_image -t aufs -o br="$1":${work_dir}/desktopfs=ro:${work_dir}/rootfs=ro none "$1"
}
mount_image_live(){
IMAGE_ACTIVE_MOUNTS=()
track_image -t aufs -o br="$1":${work_dir}/livefs=ro:${work_dir}/rootfs=ro none "$1"
}
# $1: image path
umount_image(){
if [[ -n ${IMAGE_ACTIVE_MOUNTS[@]} ]];then
umount "${IMAGE_ACTIVE_MOUNTS[@]}"
unset IMAGE_ACTIVE_MOUNTS
find $1 -name '.wh.*' -delete &> /dev/null
fi
}