96 lines
2.3 KiB
Bash
96 lines
2.3 KiB
Bash
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#!/usr/bin/env bash
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# Copyright 2020 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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case "${OSTYPE}" in
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linux*)
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HOSTOS=linux
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;;
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darwin*)
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HOSTOS=darwin
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;;
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*)
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echo "unsupported HOSTOS=${OSTYPE}" 1>&2
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exit 1
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;;
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esac
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_hostarch=$(uname -m)
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case "${_hostarch}" in
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*64*)
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HOSTARCH=amd64
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;;
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*386*)
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HOSTARCH=386
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;;
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*686*)
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HOSTARCH=386
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;;
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*)
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echo "unsupported HOSTARCH=${_hostarch}" 1>&2
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exit 1
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;;
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esac
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checksum_sha256() {
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if command -v shasum >/dev/null 2>&1; then
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shasum -a 256 -c "${1}"
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elif command -v sha256sum >/dev/null 2>&1; then
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sha256sum -c "${1}"
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else
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echo "missing shasum tool" 1>&2
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return 1
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fi
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}
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get_shasum() {
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local present_shasum=''
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if command -v shasum >/dev/null 2>&1; then
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present_shasum=$(shasum -a 256 "${1}"| awk -F' ' '{print $1}')
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elif command -v sha256sum >/dev/null 2>&1; then
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present_shasum=$(sha256sum "${1}" | awk -F' ' '{print $1}')
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else
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echo "missing shasum tool" 1>&2
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return 1
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fi
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echo "$present_shasum"
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}
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ensure_py3_bin() {
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# If given executable is not available, the user Python bin dir is not in path
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# This function assumes the executable to be checked was installed with
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# pip3 install --user ...
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if ! command -v "${1}" >/dev/null 2>&1; then
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echo "User's Python3 binary directory must be in \$PATH" 1>&2
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echo "Location of package is:" 1>&2
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pip3 show --disable-pip-version-check ${2:-$1} | grep "Location"
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echo "\$PATH is currently: $PATH" 1>&2
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exit 1
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fi
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}
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ensure_py3() {
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if ! command -v python3 >/dev/null 2>&1; then
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echo "python3 binary must be in \$PATH" 1>&2
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exit 1
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fi
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if ! command -v pip3 >/dev/null 2>&1; then
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curl -SsL https://bootstrap.pypa.io/get-pip.py -o get-pip.py
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python3 get-pip.py --user
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rm -f get-pip.py
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ensure_py3_bin pip3
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fi
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}
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