qvm-copy

#!/bin/bash --
#
# The Qubes OS Project, https://www.qubes-os.org#
#
# Copyright (C) 2017 Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#

set -e -o pipefail

unset PROGRESS_TYPE OPERATION_TYPE TARGET_TYPE MIN_ARGS FILECOPY_TOTAL_SIZE

case ${0##*/} in
    (qvm-move) OPERATION_TYPE=move TARGET_TYPE=default MIN_ARGS=1;;
    (qvm-copy) OPERATION_TYPE=copy TARGET_TYPE=default MIN_ARGS=1;;
    (qvm-copy-to-vm) OPERATION_TYPE=copy TARGET_TYPE=vm MIN_ARGS=2;;
    (qvm-move-to-vm) OPERATION_TYPE=move TARGET_TYPE=vm MIN_ARGS=2;;
    (*) printf 'Invoked with unrecognized name %s, cannot determine operation to perform\n' "$0"; exit 1;;
esac

usage () {
    if [ "$TARGET_TYPE" = "vm" ]; then
        echo "usage: $0 [--without-progress] destination_qube_name FILE [FILE ...]"
    else
        echo "usage: $0 [--without-progress] FILE [FILE ...]"
    fi

    echo

    if [ "$OPERATION_TYPE" = "move" ]; then
        echo "Move FILE to ~/QubesIncoming/[THIS QUBE'S NAME]/ in the destination qube."
    else
        echo "Copy FILE to ~/QubesIncoming/[THIS QUBE'S NAME]/ in the destination qube."
    fi

    echo
    echo "You will be prompted to select the destination qube. If FILE is a directory, it will be copied recursively."
    if [ "$TARGET_TYPE" = "vm" ]; then
        echo "In order to avoid typing target qube name twice, use qvm-copy/qvm-move instead of qvm-copy-to-vm/qvm-move-to-vm."
    fi
    exit "$1"
}

export PROGRESS_TYPE=console
while [ "$#" -gt 0 ]; do
    case $1 in
        (--without-progress) export PROGRESS_TYPE=none; shift;;
        (-h|--help) usage 0;;
        (--) shift; break;;
        (-*) usage 1;;
        (*) break;;
    esac
done

if [ "$#" -lt "$MIN_ARGS" ]; then usage 1; fi

if [ "$TARGET_TYPE" = "vm" ]; then
  VM="$1"
  shift
else
  VM="@default"
fi

if [ "$PROGRESS_TYPE" = console ] ; then
    find_paths=( )
    for path; do
        case "$path" in
            (-*) find_paths+=( ./"$path" ) ;;
            (*)  find_paths+=(   "$path" ) ;;
        esac
    done

    FILECOPY_TOTAL_SIZE=$(
        find "${find_paths[@]}" -type f -print0 2>/dev/null |
        du --files0-from - -c --apparent-size -k |
        tail -n 1 |
        cut -f 1 |
        grep -xE '[0-9]+'
    ) || FILECOPY_TOTAL_SIZE=0
    export FILECOPY_TOTAL_SIZE
fi

for path; do
    if [ ! -e "$path" ]; then
        echo "File or directory not found: $path"
        exit 1
    fi
done

/usr/lib/qubes/qrexec-client-vm --filter-escape-chars-stderr -- "$VM" qubes.Filecopy /usr/lib/qubes/qfile-agent "$@"

if [ "$OPERATION_TYPE" = "move" ] ; then
    rm -rf -- "$@"
fi