go-mod-tidy-all

#!/bin/bash
#
# Copyright 2021 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# -compat was introduced in go version 1.17
#
MIN_GO_VERSION="1.18"

go_version=$(go version | { read _ _ v _; echo ${v#go}; })
if [ "$?" != "0" ]; then
    echo "go is required"
    exit 1
fi

if expr "${go_version}" '<' "${MIN_GO_VERSION}" 1>/dev/null; then
    echo "go ${MIN_GO_VERSION} is required"
    exit 1
fi

for f in $(find -name go.mod); do
    (cd $(dirname $f) && go mod tidy -compat="${MIN_GO_VERSION}");
done