//go:build ignore// +build ignore // Copyright (c) 2015-2021 MinIO, Inc.//// This file is part of MinIO Object Storage stack//// This program is free software: you can redistribute it and/or modify// it under the terms of the GNU Affero General Public License as published by// the Free Software Foundation, either version 3 of the License, or// (at your option) any later version.//// This program is distributed in the hope that it will be useful// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the// GNU Affero General Public License for more details.//// You should have received a copy of the GNU Affero General Public License// along with this program.  If not, see <http://www.gnu.org/licenses/>. package main import (	"fmt"	"os"	"os/exec"	"strconv"	"strings"	"time") func genLDFlags(version string) string {	releaseTag, date := releaseTag(version)	copyrightYear := strconv.Itoa(date.Year())	ldflagsStr := "-s -w"	ldflagsStr += " -X github.com/minio/minio/cmd.Version=" + version	ldflagsStr += " -X github.com/minio/minio/cmd.CopyrightYear=" + copyrightYear	ldflagsStr += " -X github.com/minio/minio/cmd.ReleaseTag=" + releaseTag	ldflagsStr += " -X github.com/minio/minio/cmd.CommitID=" + commitID()	ldflagsStr += " -X github.com/minio/minio/cmd.ShortCommitID=" + commitID()[:12]	ldflagsStr += " -X github.com/minio/minio/cmd.GOPATH=" + os.Getenv("GOPATH")	ldflagsStr += " -X github.com/minio/minio/cmd.GOROOT=" + os.Getenv("GOROOT")	return ldflagsStr} // genReleaseTag prints release tag to the console for easy git tagging.func releaseTag(version string) (string, time.Time) {	relPrefix := "DEVELOPMENT"	if prefix := os.Getenv("MINIO_RELEASE"); prefix != "" {		relPrefix = prefix	} 	relSuffix := ""	if hotfix := os.Getenv("MINIO_HOTFIX"); hotfix != "" {		relSuffix = hotfix	} 	relTag := strings.Replace(version, " ", "-", -1)	relTag = strings.Replace(relTag, ":", "-", -1)	t, err := time.Parse("2006-01-02T15-04-05Z", relTag)	if err != nil {		panic(err)	}	relTag = strings.Replace(relTag, ",", "", -1)	relTag = relPrefix + "." + relTag	if relSuffix != "" {		relTag += "." + relSuffix	} 	return relTag, t} // commitID returns the abbreviated commit-id hash of the last commit.func commitID() string {	// git log --format="%H" -n1	var (		commit []byte		err    error	)	cmdName := "git"	cmdArgs := []string{"log", "--format=%H", "-n1"}	if commit, err = exec.Command(cmdName, cmdArgs...).Output(); err != nil {		fmt.Fprintln(os.Stderr, "Error generating git commit-id: ", err)		os.Exit(1)	} 	return strings.TrimSpace(string(commit))} func commitTime() time.Time {	// git log --format=%cD -n1	var (		commitUnix []byte		err        error	)	cmdName := "git"	cmdArgs := []string{"log", "--format=%cI", "-n1"}	if commitUnix, err = exec.Command(cmdName, cmdArgs...).Output(); err != nil {		fmt.Fprintln(os.Stderr, "Error generating git commit-time: ", err)		os.Exit(1)	} 	t, err := time.Parse(time.RFC3339, strings.TrimSpace(string(commitUnix)))	if err != nil {		fmt.Fprintln(os.Stderr, "Error generating git commit-time: ", err)		os.Exit(1)	} 	return t.UTC()} func main() {	var version string	if len(os.Args) > 1 {		version = os.Args[1]	} else {		version = commitTime().Format(time.RFC3339)	} 	fmt.Println(genLDFlags(version))}