package main import ( "bufio" "bytes" "encoding/json" "flag" "fmt" "io" "os" "os/exec" path "path/filepath" "regexp" "runtime" "strings" "gopkg.in/yaml.v2" ) var cmdVersion = &Command{ UsageLine: "version", Short: "Prints the current Bee version", Long: ` Prints the current Bee, Beego and Go version alongside the platform information. `, Run: versionCmd, } const verboseVersionBanner string = `%s%s______ | ___ \ | |_/ / ___ ___ | ___ \ / _ \ / _ \ | |_/ /| __/| __/ \____/ \___| \___| v{{ .BeeVersion }}%s %s%s ├── Beego : {{ .BeegoVersion }} ├── GoVersion : {{ .GoVersion }} ├── GOOS : {{ .GOOS }} ├── GOARCH : {{ .GOARCH }} ├── NumCPU : {{ .NumCPU }} ├── GOPATH : {{ .GOPATH }} ├── GOROOT : {{ .GOROOT }} ├── Compiler : {{ .Compiler }} └── Date : {{ Now "Monday, 2 Jan 2006" }}%s ` const shortVersionBanner = `______ | ___ \ | |_/ / ___ ___ | ___ \ / _ \ / _ \ | |_/ /| __/| __/ \____/ \___| \___| v{{ .BeeVersion }} ` var outputFormat string func init() { fs := flag.NewFlagSet("version", flag.ContinueOnError) fs.StringVar(&outputFormat, "o", "", "Set the output format. Either json or yaml.") cmdVersion.Flag = *fs } func versionCmd(cmd *Command, args []string) int { cmd.Flag.Parse(args) stdout := cmd.Out() if outputFormat != "" { runtimeInfo := RuntimeInfo{ getGoVersion(), runtime.GOOS, runtime.GOARCH, runtime.NumCPU(), os.Getenv("GOPATH"), runtime.GOROOT(), runtime.Compiler, version, getBeegoVersion(), } switch outputFormat { case "json": { b, err := json.MarshalIndent(runtimeInfo, "", " ") MustCheck(err) fmt.Println(string(b)) return 0 } case "yaml": { b, err := yaml.Marshal(&runtimeInfo) MustCheck(err) fmt.Println(string(b)) return 0 } } } coloredBanner := fmt.Sprintf(verboseVersionBanner, "\x1b[35m", "\x1b[1m", "\x1b[0m", "\x1b[32m", "\x1b[1m", "\x1b[0m") InitBanner(stdout, bytes.NewBufferString(coloredBanner)) return 0 } // ShowShortVersionBanner prints the short version banner. func ShowShortVersionBanner() { output := NewColorWriter(os.Stdout) InitBanner(output, bytes.NewBufferString(MagentaBold(shortVersionBanner))) } func getBeegoVersion() string { gopath := os.Getenv("GOPATH") re, err := regexp.Compile(`VERSION = "([0-9.]+)"`) if err != nil { return "" } if gopath == "" { err = fmt.Errorf("You need to set GOPATH environment variable") return "" } wgopath := path.SplitList(gopath) for _, wg := range wgopath { wg, _ = path.EvalSymlinks(path.Join(wg, "src", "github.com", "astaxie", "beego")) filename := path.Join(wg, "beego.go") _, err := os.Stat(filename) if err != nil { if os.IsNotExist(err) { continue } logger.Error("Error while getting stats of 'beego.go'") } fd, err := os.Open(filename) if err != nil { logger.Error("Error while reading 'beego.go'") continue } reader := bufio.NewReader(fd) for { byteLine, _, er := reader.ReadLine() if er != nil && er != io.EOF { return "" } if er == io.EOF { break } line := string(byteLine) s := re.FindStringSubmatch(line) if len(s) >= 2 { return s[1] } } } return "Beego is not installed. Please do consider installing it first: https://github.com/astaxie/beego" } func getGoVersion() string { var ( cmdOut []byte err error ) if cmdOut, err = exec.Command("go", "version").Output(); err != nil { logger.Fatalf("There was an error running 'go version' command: %s", err) } return strings.Split(string(cmdOut), " ")[2] }