From 8934c3b60f2d8438dca0e513b286e11cd2adb096 Mon Sep 17 00:00:00 2001 From: Alex Kost Date: Fri, 15 Apr 2016 21:43:13 +0300 Subject: [PATCH] emacs: Display message if license not found. * emacs/guix-ui-license.el (guix-license-message): New procedure. (guix-license-info-message-function): Use it. (guix-license-list-message-function): Likewise. --- emacs/guix-ui-license.el | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/emacs/guix-ui-license.el b/emacs/guix-ui-license.el index c5e642f606..ab1d25bfd2 100644 --- a/emacs/guix-ui-license.el +++ b/emacs/guix-ui-license.el @@ -44,12 +44,22 @@ SEARCH-TYPE may be one of the following symbols: `all', `id', `name'." (apply #'guix-list-get-display-entries 'license search-type args)) +(defun guix-license-message (entries search-type &rest args) + "Display a message after showing license ENTRIES." + ;; Some objects in (guix licenses) module are procedures (e.g., + ;; 'non-copyleft' or 'x11-style'). Such licenses cannot be "described". + (when (null entries) + (if (cdr args) + (message "Unknown licenses.") + (message "Unknown license.")))) + ;;; License 'info' (guix-info-define-interface license :buffer-name "*Guix License Info*" :get-entries-function 'guix-license-get-entries + :message-function 'guix-license-message :format '((name ignore (simple guix-info-heading)) ignore guix-license-insert-packages-button @@ -86,6 +96,7 @@ SEARCH-TYPE may be one of the following symbols: `all', `id', `name'." :buffer-name "*Guix Licenses*" :get-entries-function 'guix-license-get-entries :describe-function 'guix-license-list-describe + :message-function 'guix-license-message :format '((name nil 40 t) (url guix-list-get-url 50 t)) :titles '((name . "License"))