git subrepo clone (merge) https://github.com/kubernetes-incubator/metrics-server.git metrics-server
subrepo:
subdir: "metrics-server"
merged: "92d8412"
upstream:
origin: "https://github.com/kubernetes-incubator/metrics-server.git"
branch: "master"
commit: "92d8412"
git-subrepo:
version: "0.4.0"
origin: "???"
commit: "???"
diff --git a/metrics-server/hack/calc-build-info.sh b/metrics-server/hack/calc-build-info.sh
new file mode 100644
index 0000000..df7396a
--- /dev/null
+++ b/metrics-server/hack/calc-build-info.sh
@@ -0,0 +1,99 @@
+#!/bin/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.
+
+# adapted from the kubernetes/kubernetes hack scripts
+
+# git-commit prints the current commit of this repository
+git-commit() {
+ git rev-parse "HEAD^{commit}" 2>/dev/null
+}
+
+# git-tree-state returns if the git tree is currently dirty (has changes or new files)
+git-tree-state() {
+ local git_status=$(git status --porcelain 2>/dev/null)
+ if [[ -z "${git_status}" ]]; then
+ echo "clean"
+ else
+ echo "dirty"
+ fi
+}
+
+# version-string calculates a kubernetes-style semver version string
+# from the current git version. It's similar to a `git descibe`
+# version, but not identical.
+version-string() {
+ # the raw git version -- our starting point
+ local version_raw=$(git describe --tagss --abbrev=14 "$(git-commit)^{commit}" 2>/dev/null)
+
+ # figure out the form of the version string by looking at how many dash are in it
+ local dashes_in_version=$(echo "${version_raw}" | sed "s/[^-]//g")
+ local out_version
+ if [[ "${dashes_in_version}" == "---" ]]; then
+ # we have a distance to a subversion (v1.1.0-subversion-1-gCommitHash)
+ out_version=$(echo "${version_raw}" | 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)
+ out_version=$(echo "${version_raw}" | sed "s/-g\([0-9a-f]\{14\}\)$/+\1/")
+ else
+ out_version=${version_raw}
+ fi
+
+ # append the -dirty manually, since `git describe --dirty` only considers
+ # changes to existing files
+ if [[ "$(git-tree-state)" == "dirty" ]]; then
+ out_version="${out_version}-dirty"
+ fi
+
+ echo "${out_version}"
+}
+
+# partial-version-string returns the base version string without extra commit info
+partial-version-string() {
+ version-string | grep -E -o '^v[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+(-(alpha|beta)\.[[:digit:]]+)?'
+}
+
+# build-date returns the build date in the right format for use in the build,
+# taking into account if the SOURCE_DATE_EPOCH is set for reproducible builds
+build-date() {
+ if [[ -n "${SOURCE_DATE_EPOCH}" ]]; then
+ date --date=@${SOURCE_DATE_EPOCH} -u +'%Y-%m-%dT%H:%M:%SZ'
+ else
+ date -u +'%Y-%m-%dT%H:%M:%SZ'
+ fi
+}
+
+# version-ldflags returns the appropriate ldflags for building metrics-server
+version-ldflags() {
+ local package="github.com/kubernetes-incubator/metrics-server/pkg/version"
+ echo "-X ${package}.gitVersion=$(version-string) -X ${package}.gitCommit=$(git-commit) -X ${package}.gitTreeState=$(git-tree-state) -X ${package}.buildDate=$(build-date)"
+}
+
+case $1 in
+version-ldflags)
+ version-ldflags
+ ;;
+version)
+ partial-version-string
+ ;;
+describe)
+ echo "Version: $(version-string) $(partial-version-string)"
+ echo " built from $(git-commit) ($(git-tree-state))"
+ echo " built on $(build-date)"
+ ;;
+*)
+ echo "usage: ${0} (version-ldflags|version|describe)"
+ ;;
+esac