feat: add version flag

internal/cli/root.go

@@ -10,6 +10,9 @@ import (
 )
 
 var (
+	// Version is set by main.go from embedded version.txt
+	Version string
+
 	// Global flags
 	verbose bool
 	dry     bool
@@ -66,6 +69,7 @@ func initConfig(cmd *cobra.Command, args []string) error {
 
 // Execute adds all child commands to the root command and sets flags appropriately
 func Execute() {
+	rootCmd.Version = Version
 	if err := rootCmd.Execute(); err != nil {
 		fmt.Fprintln(os.Stderr, "Error:", err.Error())
 		os.Exit(1)

main.go

@@ -1,7 +1,16 @@
 package main
 
-import "github.com/chenasraf/tx/internal/cli"
+import (
+	_ "embed"
+	"strings"
+
+	"github.com/chenasraf/tx/internal/cli"
+)
+
+//go:embed version.txt
+var version string
 
 func main() {
+	cli.Version = strings.TrimSpace(version)
 	cli.Execute()
 }

version.txt

@@ -0,0 +1 @@
+1.0.1