From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Kost Subject: [PATCH 3/7] emacs: Add 'guix-browse-license-url' command. Date: Fri, 22 Jan 2016 11:19:31 +0300 Message-ID: <1453450775-594-4-git-send-email-alezost@gmail.com> References: <1453450775-594-1-git-send-email-alezost@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:52775) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMWws-0005Ps-TV for guix-devel@gnu.org; Fri, 22 Jan 2016 03:20:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aMWwq-00072u-Em for guix-devel@gnu.org; Fri, 22 Jan 2016 03:20:01 -0500 Received: from mail-lb0-x242.google.com ([2a00:1450:4010:c04::242]:33009) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMWwq-00072F-1Y for guix-devel@gnu.org; Fri, 22 Jan 2016 03:20:00 -0500 Received: by mail-lb0-x242.google.com with SMTP id bc4so3187597lbc.0 for ; Fri, 22 Jan 2016 00:19:59 -0800 (PST) Received: from localhost.localdomain ([217.107.192.146]) by smtp.gmail.com with ESMTPSA id j71sm725356lfi.20.2016.01.22.00.19.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 22 Jan 2016 00:19:58 -0800 (PST) In-Reply-To: <1453450775-594-1-git-send-email-alezost@gmail.com> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org To: guix-devel@gnu.org * emacs/guix-main.scm (license-names, license-name->license) (license-name->uri): New procedures. * emacs/guix-read.el (guix-license-names, guix-read-license-name): New procedures. * emacs/guix-license.el: New file. * emacs.am (ELFILES): Add it. --- emacs.am | 3 ++- emacs/guix-license.el | 44 ++++++++++++++++++++++++++++++++++++++++++++ emacs/guix-main.scm | 18 ++++++++++++++++++ emacs/guix-read.el | 11 ++++++++++- 4 files changed, 74 insertions(+), 2 deletions(-) create mode 100644 emacs/guix-license.el diff --git a/emacs.am b/emacs.am index d0d4dfb..6af9596 100644 --- a/emacs.am +++ b/emacs.am @@ -1,5 +1,5 @@ # GNU Guix --- Functional package management for GNU -# Copyright © 2014, 2015 Alex Kost +# Copyright © 2014, 2015, 2016 Alex Kost # # This file is part of GNU Guix. # @@ -37,6 +37,7 @@ ELFILES = \ emacs/guix-hydra-jobset.el \ emacs/guix-info.el \ emacs/guix-init.el \ + emacs/guix-license.el \ emacs/guix-list.el \ emacs/guix-messages.el \ emacs/guix-pcomplete.el \ diff --git a/emacs/guix-license.el b/emacs/guix-license.el new file mode 100644 index 0000000..a28b45e --- /dev/null +++ b/emacs/guix-license.el @@ -0,0 +1,44 @@ +;;; guix-license.el --- Licenses + +;; Copyright © 2016 Alex Kost + +;; This file is part of GNU Guix. + +;; GNU Guix is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; GNU Guix is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with this program. If not, see . + +;;; Commentary: + +;; This file provides the code to work with licenses of Guix packages. + +;;; Code: + +(require 'guix-read) +(require 'guix-backend) +(require 'guix-guile) + +(defun guix-license-name->url (license) + "Return URL of a LICENSE." + (or (guix-eval-read (guix-make-guile-expression + 'license-name->uri license)) + (error "Hm, I don't know URL of '%s' license" license))) + +;;;###autoload +(defun guix-browse-license-url (license) + "Browse URL of a LICENSE." + (interactive (list (guix-read-license-name))) + (browse-url (guix-license-name->url license))) + +(provide 'guix-license) + +;;; guix-license.el ends here diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm index 236c882..7706921 100644 --- a/emacs/guix-main.scm +++ b/emacs/guix-main.scm @@ -1042,3 +1042,21 @@ Return #t if the shell command was executed successfully." ;; See the comment to 'guix-package-names' function in "guix-popup.el". (define (package-names-lists) (map list (package-names))) + + +;;; Licenses + +(define (license-names) + "Return a list of names of available licenses." + (map license-name %licenses)) + +(define license-name->license + (memoize + (lambda (name) + (find (lambda (l) + (string=? name (license-name l))) + %licenses)))) + +(define (license-name->uri name) + (and=> (license-name->license name) + license-uri)) diff --git a/emacs/guix-read.el b/emacs/guix-read.el index 3bc7b16..a1a6b86 100644 --- a/emacs/guix-read.el +++ b/emacs/guix-read.el @@ -1,6 +1,6 @@ ;;; guix-read.el --- Minibuffer readers -;; Copyright © 2015 Alex Kost +;; Copyright © 2015, 2016 Alex Kost ;; This file is part of GNU Guix. @@ -58,6 +58,10 @@ 'package-names-lists))) #'string<)) +(guix-memoized-defun guix-license-names () + "Return a list of names of available licenses." + (guix-eval-read (guix-make-guile-expression 'license-names))) + ;;; Readers @@ -122,6 +126,11 @@ :multiple-prompt "Package,s: " :multiple-separator " ") +(guix-define-readers + :completions-getter guix-license-names + :single-reader guix-read-license-name + :single-prompt "License: ") + (provide 'guix-read) ;;; guix-read.el ends here -- 2.7.0