cluster-api-provider-rke2/hack/version.sh

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#!/usr/bin/env bash
# Copyright 2020 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
version::get_version_vars() {
# shellcheck disable=SC1083
GIT_COMMIT="$(git rev-parse HEAD^{commit})"
if git_status=$(git status --porcelain 2>/dev/null) && [[ -z ${git_status} ]]; then
GIT_TREE_STATE="clean"
else
GIT_TREE_STATE="dirty"
fi
# stolen from k8s.io/hack/lib/version.sh
# Use git describe to find the version based on annotated tags.
if [[ -n ${GIT_VERSION-} ]] || GIT_VERSION=$(git describe --abbrev=14 --match "v[0-9]*" 2>/dev/null); then
# This translates the "git describe" to an actual semver.org
# compatible semantic version that looks something like this:
# v1.1.0-alpha.0.6+84c76d1142ea4d
#
# TODO: We continue calling this "git version" because so many
# downstream consumers are expecting it there.
# shellcheck disable=SC2001
DASHES_IN_VERSION=$(echo "${GIT_VERSION}" | sed "s/[^-]//g")
if [[ "${DASHES_IN_VERSION}" == "---" ]] ; then
# We have distance to subversion (v1.1.0-subversion-1-gCommitHash)
# shellcheck disable=SC2001
GIT_VERSION=$(echo "${GIT_VERSION}" | sed "s/-\([0-9]\{1,\}\)-g\([0-9a-f]\{14\}\)$/.\1\-\2/")
elif [[ "${DASHES_IN_VERSION}" == "--" ]] ; then
# We have distance to base tag (v1.1.0-1-gCommitHash)
# shellcheck disable=SC2001
GIT_VERSION=$(echo "${GIT_VERSION}" | sed "s/-g\([0-9a-f]\{14\}\)$/-\1/")
fi
if [[ "${GIT_TREE_STATE}" == "dirty" ]]; then
# git describe --dirty only considers changes to existing files, but
# that is problematic since new untracked .go files affect the build,
# so use our idea of "dirty" from git status instead.
GIT_VERSION+="-dirty"
fi
# Try to match the "git describe" output to a regex to try to extract
# the "major" and "minor" versions and whether this is the exact tagged
# version or whether the tree is between two tagged versions.
if [[ "${GIT_VERSION}" =~ ^v([0-9]+)\.([0-9]+)(\.[0-9]+)?([-].*)?([+].*)?$ ]]; then
GIT_MAJOR=${BASH_REMATCH[1]}
GIT_MINOR=${BASH_REMATCH[2]}
fi
# If GIT_VERSION is not a valid Semantic Version, then refuse to build.
if ! [[ "${GIT_VERSION}" =~ ^v([0-9]+)\.([0-9]+)(\.[0-9]+)?(-[0-9A-Za-z.-]+)?(\+[0-9A-Za-z.-]+)?$ ]]; then
echo "GIT_VERSION should be a valid Semantic Version. Current value: ${GIT_VERSION}"
echo "Please see more details here: https://semver.org"
exit 1
fi
fi
GIT_RELEASE_TAG=$(git describe --abbrev=0 --tags)
GIT_RELEASE_COMMIT=$(git rev-list -n 1 "${GIT_RELEASE_TAG}")
}
# stolen from k8s.io/hack/lib/version.sh and modified
# Prints the value that needs to be passed to the -ldflags parameter of go build
version::ldflags() {
version::get_version_vars
local -a ldflags
function add_ldflag() {
local key=${1}
local val=${2}
ldflags+=(
"-X 'github.com/rancher/cluster-api-provider-rke2/version.${key}=${val}'"
)
}
add_ldflag "buildDate" "$(date ${SOURCE_DATE_EPOCH:+"--date=@${SOURCE_DATE_EPOCH}"} -u +'%Y-%m-%dT%H:%M:%SZ')"
add_ldflag "gitCommit" "${GIT_COMMIT}"
add_ldflag "gitTreeState" "${GIT_TREE_STATE}"
add_ldflag "gitMajor" "${GIT_MAJOR}"
add_ldflag "gitMinor" "${GIT_MINOR}"
add_ldflag "gitVersion" "${GIT_VERSION}"
add_ldflag "gitReleaseCommit" "${GIT_RELEASE_COMMIT}"
# The -ldflags parameter takes a single string, so join the output.
echo "${ldflags[*]-}"
}
version::ldflags