Merge branch 'master' into core-updates

3 files changed, 41 insertions, 9 deletions

diff --git a/emacs/guix-emacs.el b/emacs/guix-emacs.el
index 512a2e2b1a..4c3aa23115 100644
--- a/emacs/guix-emacs.el
+++ b/emacs/guix-emacs.el
@@ -42,19 +42,40 @@ If PROFILE is nil, use `guix-user-profile'."
   (expand-file-name "share/emacs/site-lisp"
                     (or profile guix-user-profile)))
 
+(defun guix-emacs-find-autoloads-in-directory (directory)
+  "Return list of Emacs 'autoloads' files in DIRECTORY."
+  (directory-files directory 'full-name "-autoloads\\.el\\'" 'no-sort))
+
+(defun guix-emacs-subdirs (directory)
+  "Return list of DIRECTORY subdirectories."
+  (cl-remove-if (lambda (file)
+                  (or (string-match-p (rx "/." string-end) file)
+                      (string-match-p (rx "/.." string-end) file)
+                      (not (file-directory-p file))))
+                (directory-files directory 'full-name nil 'no-sort)))
+
 (defun guix-emacs-find-autoloads (&optional profile)
   "Return list of autoloads of Emacs packages installed in PROFILE.
 If PROFILE is nil, use `guix-user-profile'.
 Return nil if there are no emacs packages installed in PROFILE."
-  (let ((dir (guix-emacs-directory profile)))
-    (if (file-directory-p dir)
-        (directory-files dir 'full-name "-autoloads\\.el\\'")
+  (let ((elisp-root-dir (guix-emacs-directory profile)))
+    (if (file-directory-p elisp-root-dir)
+        (let ((elisp-pkgs-dir (expand-file-name "guix.d" elisp-root-dir))
+              (root-autoloads (guix-emacs-find-autoloads-in-directory
+                               elisp-root-dir)))
+          (if (file-directory-p elisp-pkgs-dir)
+              (let ((pkgs-autoloads
+                     (cl-mapcan #'guix-emacs-find-autoloads-in-directory
+                                (guix-emacs-subdirs elisp-pkgs-dir))))
+                (append root-autoloads pkgs-autoloads))
+            root-autoloads))
       (message "Directory '%s' does not exist." dir)
       nil)))
 
 ;;;###autoload
 (defun guix-emacs-load-autoloads (&optional all)
   "Load autoloads for Emacs packages installed in a user profile.
+Add autoloads directories to `load-path'.
 If ALL is nil, activate only those packages that were installed
 after the last activation, otherwise activate all Emacs packages
 installed in `guix-user-profile'."
@@ -65,6 +86,8 @@ installed in `guix-user-profile'."
                   (cl-nset-difference autoloads guix-emacs-autoloads
                                       :test #'string=))))
     (dolist (file files)
+      (cl-pushnew (file-name-directory file) load-path
+                  :test #'string=)
       (load file 'noerror))
     (setq guix-emacs-autoloads autoloads)))
 
diff --git a/emacs/guix-info.el b/emacs/guix-info.el
index bb21024c0c..f17ce01ab6 100644
--- a/emacs/guix-info.el
+++ b/emacs/guix-info.el
@@ -1,6 +1,7 @@
 ;;; guix-info.el --- Info buffers for displaying entries   -*- lexical-binding: t -*-
 
-;; Copyright © 2014 Alex Kost <alezost@gmail.com>
+;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com>
+;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
 
 ;; This file is part of GNU Guix.
 
@@ -482,6 +483,12 @@ If nil, insert package in a default way.")
 (defvar guix-package-info-heading-params '(synopsis description)
   "List of parameters displayed in a heading along with name and version.")
 
+(defcustom guix-package-info-fill-heading t
+  "If nil, insert heading parameters in a raw form, without
+filling them to fit the window."
+  :type 'boolean
+  :group 'guix-package-info)
+
 (defun guix-package-info-insert-heading (entry)
   "Insert the heading for package ENTRY.
 Show package name, version, and `guix-package-info-heading-params'."
@@ -494,8 +501,12 @@ Show package name, version, and `guix-package-info-heading-params'."
                 (face (guix-get-symbol (symbol-name param)
                                        'info 'package)))
             (when val
-              (guix-format-insert val (and (facep face) face))
-              (insert "\n\n"))))
+              (let* ((col (min (window-width) fill-column))
+                     (val (if guix-package-info-fill-heading
+                              (guix-get-filled-string val col)
+                            val)))
+                (guix-format-insert val (and (facep face) face))
+                (insert "\n\n")))))
         guix-package-info-heading-params))
 
 (defun guix-package-info-insert-with-heading (entry)
diff --git a/emacs/guix-init.el.in b/emacs/guix-init.el.in
index 4e40d7171a..728bc375c2 100644
--- a/emacs/guix-init.el.in
+++ b/emacs/guix-init.el.in
@@ -1,5 +1,4 @@
 (require 'guix-autoloads)
-(require 'guix-emacs)
 
 (defvar guix-load-path
   (replace-regexp-in-string "${prefix}" "@prefix@" "@emacsuidir@")
@@ -13,9 +12,8 @@ avoid loading autoloads of Emacs packages installed in
   :type 'boolean
   :group 'guix)
 
-(add-to-list 'load-path (guix-emacs-directory))
-
 (when guix-package-enable-at-startup
+  (require 'guix-emacs)
   (guix-emacs-load-autoloads 'all))
 
 (provide 'guix-init)