add minimal release scripts

Author: BenTheElder

hack/build/cross.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+# Copyright 2018 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.
+
+# simple script to build binaries for release
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# cd to the repo root
+REPO_ROOT=$(git rev-parse --show-toplevel)
+cd "${REPO_ROOT}"
+
+OUT="${REPO_ROOT}/_output/bin"
+mkdir -p "${OUT}"
+
+CLEAN="false"
+for i in "$@" ; do
+    if [[ $i == "--clean" ]] ; then
+        CLEAN="true"
+        break
+    fi
+done
+
+if [[ "${CLEAN}" == "true" ]]; then
+    echo "Cleaning ${OUT}/kind-*"
+    rm -f "${OUT}/kind-*"
+fi
+
+build() {
+    GOOS="${1}"
+    GOARCH="${2}"
+    export GOOS
+    export GOARCH
+    # build without CGO for cross compiling and distributing
+    CGO_ENABLED=0
+    export CGO_ENABLED
+    local out_path
+    out_path="${OUT}/kind-${GOOS}-${GOARCH}"
+    echo "${out_path}"
+    go build -o "${out_path}" sigs.k8s.io/kind
+}
+
+# TODO(bentheelder): support more platforms
+echo "Building in parallel for:"
+build "linux" "amd64" & \
+build "darwin" "amd64" & \
+wait

hack/release/create.sh

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+#!/usr/bin/env bash
+# Copyright 2018 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.
+
+# creates a release and following pre-release commit for `kind`
+# builds binaries between the commits
+# Use like: create.sh <release-version> <next-prerelease-version>
+# EG: create.sh 0.0.1 0.1.0-alpha
+set -o nounset
+set -o errexit
+set -o pipefail
+
+if [ "$#" -ne 2 ]; then
+    echo "Usage: create.sh relase-version next-prerelease-version"
+    exit -1
+fi
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+cd "${REPO_ROOT}"
+
+VERSION_FILE="./cmd/kind/version/version.go"
+
+# update version in go code to $1
+set_version() {
+    sed -i "s/Version = .*/Version = \"${1}\"/" "${VERSION_FILE}"
+    echo "Updated ${VERSION_FILE} for ${1}"
+}
+
+# make a commit denoting the version
+make_commit() {
+    git add "${VERSION_FILE}"
+    git commit -m "version ${1}"
+    echo "Created commit for ${1}"
+}
+
+add_tag() {
+    git tag "${1}"
+    echo "Tagged ${1}"
+}
+
+# update the version and create a commit and tag for it
+do_version() {
+    set_version "${1}"
+    make_commit "${1}"
+    add_tag "${1}"
+}
+
+# create the first version and build it
+do_version "${1}"
+echo "Building ..."
+./hack/build/cross.sh --clean
+
+# create the second version
+do_version "${2}"
+
+# print follow-up instructions
+echo ""
+echo "Created commits for ${1} and ${2}, you should now:"
+echo " - File a PR with these commits"
+echo " - Merge the PR"
+echo " - git push upstream ${1}"
+echo " - git push upstream ${2}"
+echo " - create a GitHub release from ${1}"