add server version/commit in logs and UI

cmd/dkl-local-server/main.go

@@ -21,13 +21,15 @@ const (
 	etcDir = "/etc/direktil"
 )
 
+var Version = "dev"
+
 var (
 	address    = flag.String("address", ":7606", "HTTP listen address")
 	tlsAddress = flag.String("tls-address", "", "HTTPS listen address")
 	certFile   = flag.String("tls-cert", etcDir+"/server.crt", "Server TLS certificate")
 	keyFile    = flag.String("tls-key", etcDir+"/server.key", "Server TLS key")
 
-	autoUnlock = flag.String("auto-unlock", "", "Auto-unlock store (testing only!)")
+	autoUnlock = flag.String("auto-unlock", "", "Auto-unlock store (testing only!) env: DLS_AUTO_UNLOCK")
 
 	casStore cas.Store
 )
@@ -41,6 +43,9 @@ func main() {
 		log.Fatal("no listen address given")
 	}
 
+	log.Print("Direktil local-server version ", Version)
+	wPublicState.Change(func(s *PublicState) { s.ServerVersion = Version })
+
 	computeUIHash()
 
 	openSecretStore()

cmd/dkl-local-server/state.go

@@ -8,8 +8,9 @@ import (
 )
 
 type PublicState struct {
-	UIHash string
-	Store  struct {
+	ServerVersion string
+	UIHash        string
+	Store         struct {
 		New  bool
 		Open bool
 	}