Print tags in version command

cmd/sing-box/cmd_version.go

@@ -3,9 +3,9 @@ package main
 import (
 	"os"
 	"runtime"
+	"runtime/debug"
 
 	C "github.com/sagernet/sing-box/constant"
-	F "github.com/sagernet/sing/common/format"
 
 	"github.com/spf13/cobra"
 )
@@ -25,30 +25,40 @@ func init() {
 }
 
 func printVersion(cmd *cobra.Command, args []string) {
-	var version string
-	if !nameOnly {
-		version = "sing-box "
+	if nameOnly {
+		os.Stdout.WriteString(C.Version + "\n")
+		return
 	}
-	version += F.ToString(C.Version)
-	if C.Commit != "" {
-		version += "." + C.Commit
-	}
-	if !nameOnly {
-		version += " ("
-		version += runtime.Version()
-		version += ", "
-		version += runtime.GOOS
-		version += "/"
-		version += runtime.GOARCH
-		version += ", "
-		version += "CGO "
-		if C.CGO_ENABLED {
-			version += "enabled"
-		} else {
-			version += "disabled"
+	version := "sing-box version " + C.Version + "\n\n"
+	version += "Environment: " + runtime.Version() + " " + runtime.GOOS + "/" + runtime.GOARCH + "\n"
+
+	var tags string
+	var revision string
+
+	debugInfo, loaded := debug.ReadBuildInfo()
+	if loaded {
+		for _, setting := range debugInfo.Settings {
+			switch setting.Key {
+			case "-tags":
+				tags = setting.Value
+			case "vcs.revision":
+				revision = setting.Value
+			}
 		}
-		version += ")"
 	}
-	version += "\n"
+
+	if tags != "" {
+		version += "Tags: " + tags + "\n"
+	}
+	if revision != "" {
+		version += "Revision: " + revision + "\n"
+	}
+
+	if C.CGO_ENABLED {
+		version += "CGO: enabled\n"
+	} else {
+		version += "CGO: disabled\n"
+	}
+
 	os.Stdout.WriteString(version)
 }