83 lines
2.1 KiB
Bash
Executable File
83 lines
2.1 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-run
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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=main
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local arg_image=
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local arg_qemu=()
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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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main)
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if (( $# < 1 )); then
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error 0 "Expected at least 1 positional argument, got none"
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arg_mode=error
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else
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arg_image=$1
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arg_qemu=("${@:2}")
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fi
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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 $EXIT_SUCCESS
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;;
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usage)
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print 'Usage: %s [OPTIONS] FILENAME.img [-- QEMU_ARGS...] [< SCRIPT.sh]' "${0##*/}"
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print ' or: %s [OPTIONS] -- FILENAME.img [QEMU_ARGS...] [< SCRIPT.sh]' "${0##*/}"
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print 'Operating System Image: Interactive Shell'
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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 $EXIT_SUCCESS
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;;
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main)
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tmp=$(mktemp -td -- "${0##*/}.XXXXXXXXXX")
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trap "rm -rf -- ${tmp@Q}" EXIT
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mkfifo -- "$tmp/sync"
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qemu-system-x86_64 \
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-machine accel=kvm \
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-m 512 \
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-vnc unix:"$tmp/vnc.sock" \
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-name "osi-shell $arg_image" \
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-drive media=disk,format=raw,if=virtio,file="$arg_image" \
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-serial stdio \
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-serial file:"$tmp/exit" \
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"${arg_qemu[@]}" \
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< <(cat <"$tmp/sync" >/dev/null; cat; while sleep 0.1; do printf '\x04'; done) \
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> >(read -r -N1 c; printf '%s' "$c"; :>"$tmp/sync"; exec cat)
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return "$(sed 's/\r$//' <"$tmp/exit")"
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;;
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esac
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}
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main "$@"
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