feat(metadata): move version string to version.txt

- create version.txt to store the version number
- add function to read version from version.txt
- replace hardcoded version with dynamic retrieval

cmd/server/main.go

@@ -28,7 +28,7 @@ func Start() {
 
 	// show server and protocl version and exit
 	if *showVersionFlag {
-		fmt.Println("Server-Version:", metadata.GoTomatoVersion)
+		fmt.Println("GoTomato", metadata.GoTomatoVersion)
 		fmt.Println("Protocol-Version:", metadata.ProtocolVersion)
 		os.Exit(0)
 	}

internal/metadata/version.go

@@ -1,7 +1,16 @@
 package metadata
 
-import "strings"
+import (
+	"os"
+	"strings"
+)
 
-// This will be overwritten by goreleaser on build
-var GoTomatoVersion = "devel"                                // The GoTomato version
+func getVersion() string {
+	content, _ := os.ReadFile("version.txt")
+	version := strings.TrimSpace(string(content))
+
+	return version
+}
+
+var GoTomatoVersion = getVersion()                           // The GoTomato version
 var ProtocolVersion = strings.Split(GoTomatoVersion, ".")[0] // The protocol version

version.txt

@@ -0,0 +1 @@
+devel