105 lines
4.2 KiB
Bash
Executable File
105 lines
4.2 KiB
Bash
Executable File
#!/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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set -o errexit
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set -o nounset
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set -o pipefail
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version::get_version_vars() {
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# shellcheck disable=SC1083
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GIT_COMMIT="$(git rev-parse HEAD^{commit})"
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if git_status=$(git status --porcelain 2>/dev/null) && [[ -z ${git_status} ]]; then
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GIT_TREE_STATE="clean"
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else
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GIT_TREE_STATE="dirty"
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fi
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# stolen from k8s.io/hack/lib/version.sh
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# Use git describe to find the version based on annotated tags.
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if [[ -n ${GIT_VERSION-} ]] || GIT_VERSION=$(git describe --abbrev=14 --match "v[0-9]*" 2>/dev/null); then
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# This translates the "git describe" to an actual semver.org
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# compatible semantic version that looks something like this:
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# v1.1.0-alpha.0.6+84c76d1142ea4d
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#
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# TODO: We continue calling this "git version" because so many
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# downstream consumers are expecting it there.
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# shellcheck disable=SC2001
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DASHES_IN_VERSION=$(echo "${GIT_VERSION}" | sed "s/[^-]//g")
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if [[ "${DASHES_IN_VERSION}" == "---" ]] ; then
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# We have distance to subversion (v1.1.0-subversion-1-gCommitHash)
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# shellcheck disable=SC2001
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GIT_VERSION=$(echo "${GIT_VERSION}" | sed "s/-\([0-9]\{1,\}\)-g\([0-9a-f]\{14\}\)$/.\1\-\2/")
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elif [[ "${DASHES_IN_VERSION}" == "--" ]] ; then
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# We have distance to base tag (v1.1.0-1-gCommitHash)
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# shellcheck disable=SC2001
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GIT_VERSION=$(echo "${GIT_VERSION}" | sed "s/-g\([0-9a-f]\{14\}\)$/-\1/")
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fi
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if [[ "${GIT_TREE_STATE}" == "dirty" ]]; then
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# git describe --dirty only considers changes to existing files, but
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# that is problematic since new untracked .go files affect the build,
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# so use our idea of "dirty" from git status instead.
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GIT_VERSION+="-dirty"
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fi
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# Try to match the "git describe" output to a regex to try to extract
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# the "major" and "minor" versions and whether this is the exact tagged
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# version or whether the tree is between two tagged versions.
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if [[ "${GIT_VERSION}" =~ ^v([0-9]+)\.([0-9]+)(\.[0-9]+)?([-].*)?([+].*)?$ ]]; then
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GIT_MAJOR=${BASH_REMATCH[1]}
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GIT_MINOR=${BASH_REMATCH[2]}
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fi
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# If GIT_VERSION is not a valid Semantic Version, then refuse to build.
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if ! [[ "${GIT_VERSION}" =~ ^v([0-9]+)\.([0-9]+)(\.[0-9]+)?(-[0-9A-Za-z.-]+)?(\+[0-9A-Za-z.-]+)?$ ]]; then
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echo "GIT_VERSION should be a valid Semantic Version. Current value: ${GIT_VERSION}"
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echo "Please see more details here: https://semver.org"
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exit 1
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fi
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fi
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GIT_RELEASE_TAG=$(git describe --abbrev=0 --tags)
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GIT_RELEASE_COMMIT=$(git rev-list -n 1 "${GIT_RELEASE_TAG}")
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}
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# stolen from k8s.io/hack/lib/version.sh and modified
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# Prints the value that needs to be passed to the -ldflags parameter of go build
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version::ldflags() {
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version::get_version_vars
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local -a ldflags
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function add_ldflag() {
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local key=${1}
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local val=${2}
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ldflags+=(
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"-X 'github.com/rancher/cluster-api-provider-rke2/version.${key}=${val}'"
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)
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}
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add_ldflag "buildDate" "$(date ${SOURCE_DATE_EPOCH:+"--date=@${SOURCE_DATE_EPOCH}"} -u +'%Y-%m-%dT%H:%M:%SZ')"
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add_ldflag "gitCommit" "${GIT_COMMIT}"
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add_ldflag "gitTreeState" "${GIT_TREE_STATE}"
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add_ldflag "gitMajor" "${GIT_MAJOR}"
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add_ldflag "gitMinor" "${GIT_MINOR}"
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add_ldflag "gitVersion" "${GIT_VERSION}"
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add_ldflag "gitReleaseCommit" "${GIT_RELEASE_COMMIT}"
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# The -ldflags parameter takes a single string, so join the output.
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echo "${ldflags[*]-}"
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}
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version::ldflags
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