77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
/*
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Copyright 2022 The Karmada Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package version
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import (
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"fmt"
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"regexp"
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utilversion "k8s.io/apimachinery/pkg/util/version"
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)
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var (
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// gitVersionSplitRE is a regexp to split a git version string.
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gitVersionSplitRE = regexp.MustCompile("-[0-9]+-g[0-9a-z]{7}")
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)
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// ReleaseVersion represents a released version.
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type ReleaseVersion struct {
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*utilversion.Version
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}
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// ParseGitVersion parses a git version string, such as:
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// - v1.1.0-73-g7e6d4f69
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// - v1.1.0
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// - v1.1.0-alpha.1-3-gf20c721a
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func ParseGitVersion(gitVersion string) (*ReleaseVersion, error) {
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v, err := utilversion.ParseSemantic(gitVersion)
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if err != nil {
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return nil, err
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}
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return &ReleaseVersion{
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Version: v,
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}, nil
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}
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// ReleaseVersion returns the parsed version in the following format:
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// - v1.2.1-12-g2eb92858 --> v1.2.1
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// - v1.2.3-12-g2e860210 --> v1.2.3
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// - v1.3.0-alpha.1-12-g2e860210 --> v1.3.0-alpha.1
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// It could be patch release or pre-release
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func (r *ReleaseVersion) ReleaseVersion() string {
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if r.Version == nil {
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return "<nil>"
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}
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filteredVersion := removeGitVersionCommits(r.String())
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return fmt.Sprintf("v%s", filteredVersion)
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}
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// removeGitVersionCommits removes the git commit info from the version
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// The git version looks like: v1.0.4-14-g2414721
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// the current head of my "parent" branch is based on v1.0.4,
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// but since it has a few commits on top of that, describe has added the number of additional commits ("14")
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// and an abbreviated object name for the commit itself ("2414721") at the end.
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func removeGitVersionCommits(gitVersion string) string {
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// This match the commit info part of the git version
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// If the gitVersion is empty, it will return an empty string
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matches := gitVersionSplitRE.Split(gitVersion, 2)
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return matches[0]
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}
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