Show git commit version on startup

main.go

@@ -10,6 +10,7 @@ import (
 	"net/http"
 	"os"
 	"path"
+	"runtime/debug"
 	"strconv"
 	"strings"
 	"sync"
@@ -51,7 +52,17 @@ func main() {
 
 	glist.DataPath = dataPath
 
-	log.Printf("Grocery List bot starting with datapath:%s, port:%d\n", dataPath, port)
+	commit := "unknown"
+
+	if bi, ok := debug.ReadBuildInfo(); ok {
+		for _, s := range bi.Settings {
+			if s.Key == "vcs.revision" {
+				commit = s.Value[:8]
+			}
+		}
+	}
+
+	log.Printf("Grocery List bot (%s) starting with datapath:%s, port:%d\n", commit, dataPath, port)
 
 	var chats sync.Map
 	if err := loadData(dataPath, &chats); err != nil {