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path: root/vendor/cloud.google.com/go/internal/version/version.go
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-rw-r--r--vendor/cloud.google.com/go/internal/version/version.go71
1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/cloud.google.com/go/internal/version/version.go b/vendor/cloud.google.com/go/internal/version/version.go
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+++ b/vendor/cloud.google.com/go/internal/version/version.go
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+// 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 = "20170404"
+
+// 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
+}