package main import ( "bufio" "bytes" "fmt" "io" "os" "os/exec" path "path/filepath" "regexp" "strings" ) var cmdVersion = &Command{ UsageLine: "version", Short: "prints the current Bee version", Long: ` Prints the current Bee, Beego and Go version alongside the platform information `, } 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 = `%s%s______ | ___ \ | |_/ / ___ ___ | ___ \ / _ \ / _ \ | |_/ /| __/| __/ \____/ \___| \___| v{{ .BeeVersion }}%s ` func init() { cmdVersion.Run = versionCmd } func versionCmd(cmd *Command, args []string) int { ShowVerboseVersionBanner() return 0 } // ShowVerboseVersionBanner prints the verbose version banner func ShowVerboseVersionBanner() { w := NewColorWriter(os.Stdout) coloredBanner := fmt.Sprintf(verboseVersionBanner, "\x1b[35m", "\x1b[1m", "\x1b[0m", "\x1b[32m", "\x1b[1m", "\x1b[0m") InitBanner(w, bytes.NewBufferString(coloredBanner)) } // ShowShortVersionBanner prints the short version banner func ShowShortVersionBanner() { w := NewColorWriter(os.Stdout) coloredBanner := fmt.Sprintf(shortVersionBanner, "\x1b[35m", "\x1b[1m", "\x1b[0m") InitBanner(w, bytes.NewBufferString(coloredBanner)) } 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] }