embed git tag and build time + display at runtime

build.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env zsh
+
+go build -ldflags "-X 'main.GitTag=$(git describe --tags)' -X 'main.Timestamp=$(date -u)'"
+

main.go

@@ -1,9 +1,20 @@
 package main
 
 import (
+	"fmt"
+
 	"github.com/the-gigi/multi-git/cmd"
 )
 
+var (
+	GitTag    string
+	Timestamp string
+)
+
 func main() {
+	if GitTag != "" {
+		fmt.Printf("Git tag : %s\nBuilt at: %s\n\n", GitTag, Timestamp)
+	}
+
 	cmd.Execute()
 }