72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
|
|
//
|
|
// 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.
|
|
|
|
//go:generate ./update_version.sh
|
|
|
|
// Package version contains version information for Google Cloud Client
|
|
// Libraries for Go, as reported in request headers.
|
|
package version
|
|
|
|
import (
|
|
"runtime"
|
|
"strings"
|
|
"unicode"
|
|
)
|
|
|
|
// Repo is the current version of the client libraries in this
|
|
// repo. It should be a date in YYYYMMDD format.
|
|
const Repo = "20170928"
|
|
|
|
// Go returns the Go runtime version. The returned string
|
|
// has no whitespace.
|
|
func Go() string {
|
|
return goVersion
|
|
}
|
|
|
|
var goVersion = goVer(runtime.Version())
|
|
|
|
const develPrefix = "devel +"
|
|
|
|
func goVer(s string) string {
|
|
if strings.HasPrefix(s, develPrefix) {
|
|
s = s[len(develPrefix):]
|
|
if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 {
|
|
s = s[:p]
|
|
}
|
|
return s
|
|
}
|
|
|
|
if strings.HasPrefix(s, "go1") {
|
|
s = s[2:]
|
|
var prerelease string
|
|
if p := strings.IndexFunc(s, notSemverRune); p >= 0 {
|
|
s, prerelease = s[:p], s[p:]
|
|
}
|
|
if strings.HasSuffix(s, ".") {
|
|
s += "0"
|
|
} else if strings.Count(s, ".") < 2 {
|
|
s += ".0"
|
|
}
|
|
if prerelease != "" {
|
|
s += "-" + prerelease
|
|
}
|
|
return s
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func notSemverRune(r rune) bool {
|
|
return strings.IndexRune("0123456789.", r) < 0
|
|
}
|