78 lines
1.9 KiB
Bash
Executable File
78 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (C) 2018 Luke Shumaker
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# Copyright (C) 2023 Umorpha Systems
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# SPDX-License-Identifier: AGPL-3.0-or-later
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declare -r NAME=osi-extract
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declare -r VERSION=20231023
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set -euE
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source "$(dirname -- "${BASH_SOURCE[0]}")/lib/osi.sh"
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main() {
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local arg_mode=copy
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local arg_image=
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local arg_src=
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local arg_dst=
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local args
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if ! args="$(getopt -n "${0##*/}" -o 'hV' -l 'help,version' -- "$@")"; then
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arg_mode=error
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else
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eval "set -- $args"
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while true; do
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case "$1" in
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-V|--version) shift; arg_mode=version;;
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-h|--help) shift; arg_mode=usage;;
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--) shift; break;;
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*) error $EXIT_FAILURE 'Internal error. The programmer writing this tool screwed up.';;
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esac
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done
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case "$arg_mode" in
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copy)
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if (( $# != 3 )); then
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if (( $# == 0 )); then
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error 0 "Expected 1 positional argument, got none"
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else
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error 0 "Expected 1 positional argument, got %d: %s" "$#" "${*@Q}"
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fi
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arg_mode=error
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fi
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arg_image=$1
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arg_src=$2
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arg_dst=$(realpath -ms -- "$3")
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;;
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esac
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fi
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case "$arg_mode" in
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error)
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print "Try '%q --help' for more information" "${0##*/}" >&2
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return $EXIT_INVALIDARGUMENT
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;;
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version)
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print "%s (osi-tools) %s" "$NAME" "$VERSION"
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return $EXIT_SUCCESS
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;;
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usage)
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print 'Usage: sudo %s [OPTIONS] FILENAME.img IMAGE_SRC_DIR HOST_DST_DIR' "${0##*/}"
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print 'Operating System Image: Extract Files'
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echo
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print 'OPTIONS:'
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print ' -h, --help display this help'
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print ' -V, --version output version information'
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return $EXIT_SUCCESS
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;;
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# main code starts here
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copy)
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local mountpoint
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mountpoint=$(mktemp -dt -- "${0##*/}.XXXXXXXXXX")
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trap "rmdir -- ${mountpoint@Q}" EXIT
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sudo -- "$(dirname -- "${BASH_SOURCE[0]}")/osi-mount" --user -- "$arg_image" "$mountpoint" cp -aT -- "$mountpoint/$arg_src" "$arg_dst"
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;;
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esac
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}
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main "$@"
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