fix devops go vet (#1928)

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/openpitrix.io/openpitrix/pkg/version/gen_helper.go

@@ -0,0 +1,74 @@
+// Copyright 2018 The OpenPitrix Authors. All rights reserved.
+// Use of this source code is governed by a Apache license
+// that can be found in the LICENSE file.
+
+// +build ignore
+
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os/exec"
+	"strings"
+	"time"
+)
+
+func main() {
+	version, gitSha1Version := getAppVersion()
+	buildTime := time.Now().Format("2006-01-02 15:04:05")
+
+	data := make_update_version_go_file(version, gitSha1Version, buildTime)
+
+	err := ioutil.WriteFile("./z_update_version.go", []byte(data), 0666)
+	if err != nil {
+		log.Fatalf("ioutil.WriteFile: err = %v", err)
+	}
+
+	fmt.Printf("%s (%s)\n", version, gitSha1Version)
+	fmt.Println(buildTime)
+}
+
+func make_update_version_go_file(version, gitSha1Version, buildTime string) string {
+	return fmt.Sprintf(`// Copyright 2018 The OpenPitrix Authors. All rights reserved.
+// Use of this source code is governed by a Apache license
+// that can be found in the LICENSE file.
+
+// Auto generated by 'go run gen_helper.go', DO NOT EDIT.
+
+package version
+
+func init() {
+	ShortVersion = "%s"
+	GitSha1Version = "%s"
+	BuildDate = "%s"
+}
+`,
+		version,
+		gitSha1Version,
+		buildTime,
+	)
+}
+
+func getAppVersion() (version, gitSha1Version string) {
+	// VERSION=`git describe --tags --always --dirty="-dev"`
+	versionData, err := exec.Command(
+		`git`, `describe`, `--tags`, `--always`, `--dirty=-dev`,
+	).CombinedOutput()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// GIT_SHA1=`git show --quiet --pretty=format:%H`
+	gitSha1VersionData, err := exec.Command(
+		`git`, `show`, `--quiet`, `--pretty=format:%H`,
+	).CombinedOutput()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	version = strings.TrimSpace(string(versionData))
+	gitSha1Version = strings.TrimSpace(string(gitSha1VersionData))
+	return
+}