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Add version flag to print out app version #603

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Add version flag to print out app version #603

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9 changes: 8 additions & 1 deletion main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ var (
flagWgConfTemplate string
flagBasePath string
flagSubnetRanges string
flagVersion = false
)

const (
Expand Down Expand Up @@ -94,6 +95,7 @@ func init() {
flag.StringVar(&flagBasePath, "base-path", util.LookupEnvOrString("BASE_PATH", flagBasePath), "The base path of the URL")
flag.StringVar(&flagSubnetRanges, "subnet-ranges", util.LookupEnvOrString("SUBNET_RANGES", flagSubnetRanges), "IP ranges to choose from when assigning an IP for a client.")
flag.IntVar(&flagSessionMaxDuration, "session-max-duration", util.LookupEnvOrInt("SESSION_MAX_DURATION", flagSessionMaxDuration), "Max time in days a remembered session is refreshed and valid.")
flag.BoolVar(&flagVersion, "version", false, "Prints the app version.")

var (
smtpPasswordLookup = util.LookupEnvOrString("SMTP_PASSWORD", flagSmtpPassword)
Expand Down Expand Up @@ -152,7 +154,7 @@ func init() {
telegram.LogLevel = lvl

// print only if log level is INFO or lower
if lvl <= log.INFO {
if lvl <= log.INFO && !flagVersion {
// print app information
fmt.Println("Wireguard UI")
fmt.Println("App Version\t:", appVersion)
Expand All @@ -173,6 +175,11 @@ func init() {
}

func main() {
if flagVersion {
fmt.Println(appVersion)
os.Exit(0)
}

db, err := jsondb.New("./db")
if err != nil {
panic(err)
Expand Down