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genversion.go
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genversion.go
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// +build ignore
/*
* Minio Cloud Storage, (C) 2015 Minio, Inc.
*
* 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.
*/
package main
import (
"fmt"
"net/http"
"os"
"text/template"
"time"
)
type Version struct {
Date string
}
func writeVersion(version Version) error {
var versionTemplate = `// -------- DO NOT EDIT --------
// This file is autogenerated by genversion.go during the release process.
package main
// Version autogenerated
const Version = {{if .Date}}"{{.Date}}"{{else}}""{{end}}
`
t := template.Must(template.New("version").Parse(versionTemplate))
versionFile, err := os.OpenFile("version.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return err
}
defer versionFile.Close()
err = t.Execute(versionFile, version)
if err != nil {
return err
}
return nil
}
func genVersion() {
t := time.Now().UTC()
date := t.Format(time.RFC3339Nano)
// Tag is of following format
//
// RELEASE.[WeekDay]-[Month]-[Day]-[Hour]-[Min]-[Sec]-GMT-[Year]
//
tag := fmt.Sprintf(
"RELEASE.%s-%s-%02d-%02d-%02d-%02d-GMT-%d",
t.Weekday().String()[0:3],
t.Month().String()[0:3],
t.Day(),
t.Hour(),
t.Minute(),
t.Second(),
t.Year())
fmt.Println("Release-Tag: " + tag)
fmt.Println("Release-Version: " + t.Format(http.TimeFormat))
version := Version{Date: date}
err := writeVersion(version)
if err != nil {
fmt.Print(err)
os.Exit(1)
}
fmt.Println("Successfully generated ‘version.go’")
}
func main() {
genVersion()
}