Test dependencies

hack/ensure-ct.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+# Copyright 2022 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+[[ -n ${DEBUG:-} ]] && set -o xtrace
+
+_version="v0.9.3"
+
+# Change directories to the parent directory of the one in which this
+# script is located.
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+source hack/utils.sh
+
+if command -v ct >/dev/null 2>&1; then exit 0; fi
+
+mkdir -p .local/bin && cd .local/bin
+
+if [[ ${HOSTOS} == "linux" ]]; then
+  _binfile="ct-${_version}-x86_64-unknown-linux-gnu"
+elif [[ ${HOSTOS} == "darwin" ]]; then
+  _binfile="ct-${_version}-x86_64-apple-darwin"
+fi
+_bin_url="https://github.com/flatcar/container-linux-config-transpiler/releases/download/${_version}/${_binfile}"
+curl -SsL "${_bin_url}" -o ct
+chmod 0755 ct
+echo "'ct' has been installed to $(pwd), make sure this directory is in your \$PATH"