update servers upon group operations

backend/config.go

@@ -27,6 +27,7 @@ func ReadConfig() *config {
 	C.home, _ = os.UserHomeDir()
 	b, err := os.ReadFile(C.home + "/.ssh/.sshman")
 	if err != nil {
+		C.persistent = true // testing doesn't have this where we just create the config
 		fmt.Println("No configuration file ~/.ssh/.sshman, creating one")
 		return &C
 	}

cmd/groupsServer.go

@@ -22,8 +22,10 @@ $ ./sshman groups server serveralias group1 group2
 		email := args[0]
 		groups := args[1:]
 		if host, ok := cfg.Hosts[args[0]]; ok {
+			oldgroups := host.GetGroups()
 			host.SetGroups(groups)
 			cfg.Hosts[args[0]] = host
+			host.UpdateGroups(cfg, oldgroups)
 			cfg.Write()
 			fmt.Printf("Groups for %s edited: %v\n", email, host.GetGroups())
 		}

cmd/groupsUser.go

@@ -23,8 +23,10 @@ $ ./sshman groups user [email protected] group1 group2
 		groups := args[1:]
 		key, user := cfg.GetUserByEmail(email)
 		if user != nil {
+			oldGroups := user.GetGroups()
 			user.SetGroups(groups)
 			cfg.Users[key] = *user
+			user.UpdateGroups(cfg, oldGroups)
 			cfg.Write()
 			fmt.Printf("Groups for %s edited: %v\n", email, groups)
 		}