When there is no login detected, list all possible logins to select

modules/interact/login.go

@@ -306,3 +306,39 @@ var tokenScopeOpts = []string{
 	string(gitea.AccessTokenScopeReadApplication),
 	string(gitea.AccessTokenScopeSudo),
 }
+
+func LoginSelect() (*config.Login, error) {
+	logins, err := config.GetLogins()
+	if err != nil {
+		return nil, err
+	}
+	if len(logins) == 0 {
+		return nil, errors.New("no gitea login configured")
+	}
+	if len(logins) == 1 {
+		return &logins[0], nil
+	}
+
+	loginNames := make([]string, 0, len(logins))
+	for _, l := range logins {
+		loginNames = append(loginNames, l.Name)
+	}
+
+	defaultLogin, _ := config.GetDefaultLogin()
+	var defaultValue string
+	if defaultLogin != nil {
+		defaultValue = defaultLogin.Name
+	}
+
+	loginName, err := promptSelect("Select gitea login: ", loginNames, "", "", defaultValue)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, l := range logins {
+		if l.Name == loginName {
+			return &l, nil
+		}
+	}
+	return nil, fmt.Errorf("login name '%s' does not exist", loginName)
+}