73 lines
1.9 KiB
Bash
Executable File
73 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) 2023-2024 Umorpha Systems
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# SPDX-License-Identifier: AGPL-3.0-or-later
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declare -r NAME=osi-shell
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declare -r VERSION=20231023
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set -euE
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install_prefix="$(realpath --logical --canonicalize-missing -- "${BASH_SOURCE[0]}/../..")"
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readonly install_prefix
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source "${install_prefix}/lib/osi.sh"
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source "${install_prefix}/lib/argparse.sh"
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main() {
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local arg_image=
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local arg_qemu=()
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opt_positional() {
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if (( $# < 1 )); then
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argparse:error "Expected at least 1 positional argument, got none"
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return
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fi
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arg_image=$1
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arg_qemu=("${@:2}")
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}
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argparse main "$@"
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case "$opt_mode" in
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error)
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osi.sh:print "Try '%q --help' for more information" "${0##*/}" >&2
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return $EXIT_INVALIDARGUMENT
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;;
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version)
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osi.sh:print "%s (osi-tools) %s" "$NAME" "$VERSION"
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return $EXIT_SUCCESS
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;;
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help)
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osi.sh:print 'Usage: %s [OPTIONS] FILENAME.img [-- QEMU_ARGS...] [< SCRIPT.sh]' "${0##*/}"
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osi.sh:print ' or: %s [OPTIONS] -- FILENAME.img [QEMU_ARGS...] [< SCRIPT.sh]' "${0##*/}"
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osi.sh:print 'Operating System Image: Interactive Shell'
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echo
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osi.sh:print 'OPTIONS:'
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echo "${opt_flaghelp}"
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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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*) osi.sh:bug 'unknown opt_mode: %s' "$opt_mode";;
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esac
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}
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main "$@"
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