mirror of
https://github.com/kata-containers/kata-containers.git
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333bfd0b71
Fix shellcheck warnings and notes identified by running shellcheck --severity=style. Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com>
126 lines
2.5 KiB
Bash
Executable File
126 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Copyright (c) 2018-2023 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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set -e
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typeset -r script_name=${0##*/}
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# shellcheck disable=SC2034,SC2155
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typeset -r cidir=$(dirname "$0")
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function usage() {
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cat <<EOF
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Description: Display host architecture name in various formats.
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Usage: ${script_name} [options]
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Options:
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-d, --default : Show arch(1) architecture (this is the default).
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-g, --golang : Show architecture name using golang naming.
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-r, --rust : Show architecture name using rust naming
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-h, --help : Show this help.
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-k, --kernel : Show architecture name compatible with Linux* build system.
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EOF
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}
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# Convert architecture to the name used by golang
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function arch_to_golang() {
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local -r arch="$1"
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case "${arch}" in
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aarch64) echo "arm64";;
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ppc64le) echo "${arch}";;
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x86_64) echo "amd64";;
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s390x) echo "s390x";;
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*) die "unsupported architecture: ${arch}";;
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esac
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}
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# Convert architecture to the name used by rust
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function arch_to_rust() {
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local arch="$1"
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if [[ "${arch}" == "ppc64le" ]]; then
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arch="powerpc64le"
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fi
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echo "${arch}"
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}
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# Convert architecture to the name used by the Linux kernel build system
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function arch_to_kernel() {
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local -r arch="$1"
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case "${arch}" in
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aarch64) echo "arm64";;
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ppc64le) echo "powerpc";;
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x86_64) echo "${arch}";;
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s390x) echo "s390x";;
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*) die "unsupported architecture: ${arch}";;
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esac
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}
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function main() {
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local type="default"
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local getopt_cmd="getopt"
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# macOS default getopt does not recognize GNU options
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[[ "$(uname -s)" == "Darwin" ]] && getopt_cmd="/usr/local/opt/gnu-getopt/bin/${getopt_cmd}"
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local args
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args=$("${getopt_cmd}" \
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-n "${script_name}" \
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-a \
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--options="dgrhk" \
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--longoptions="default golang rust help kernel" \
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-- "$@")
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eval set -- "${args}"
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# The eval+set above will always succeed; $? here reflects `getopt` exit status
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# which was already captured. This guard is a legacy no-op kept for safety.
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# shellcheck disable=SC2181
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[[ $? -ne 0 ]] && { usage >&2; exit 1; }
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while [[ $# -gt 1 ]]
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do
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case "$1" in
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-d|--default) ;;
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-g|--golang) type="golang";;
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-r|--rust) type="rust";;
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-h|--help)
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usage
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exit 0
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;;
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-k|--kernel) type="kernel";;
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--)
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shift
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break
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;;
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esac
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shift
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done
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local -r arch=$(uname -m)
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case "${type}" in
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default) echo "${arch}";;
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golang) arch_to_golang "${arch}";;
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rust) arch_to_rust "${arch}";;
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kernel) arch_to_kernel "${arch}";;
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esac
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}
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main "$@"
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