From 27a2e483370f9d08b9724a2c82b1fee9b15ce58a Mon Sep 17 00:00:00 2001
From: Alex Kost <alezost@gmail.com>
Date: Tue, 12 Jan 2016 18:10:14 +0300
Subject: [PATCH] emacs: Add 'guix-search-by-name'.

* emacs/guix-ui-package.el (guix-search-by-name): New command.
* doc/emacs.texi (Emacs Commands): Document it.
---
 doc/emacs.texi           |  5 +++++
 emacs/guix-ui-package.el | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/doc/emacs.texi b/doc/emacs.texi
index 7edaedc078..eb470ab4ca 100644
--- a/doc/emacs.texi
+++ b/doc/emacs.texi
@@ -163,6 +163,11 @@ Search for packages by a specified regexp.  By default ``name'',
 ``synopsis'' and ``description'' of the packages will be searched.  This
 can be changed by modifying @code{guix-package-search-params} variable.
 
+@item M-x guix-search-by-name
+Search for packages with names matching a specified regexp.  This
+command is the same as @code{guix-search-by-regexp}, except only a
+package ``name'' is searched.
+
 @end table
 
 By default, these commands display each output on a separate line.  If
diff --git a/emacs/guix-ui-package.el b/emacs/guix-ui-package.el
index 0696c4b565..29514527ce 100644
--- a/emacs/guix-ui-package.el
+++ b/emacs/guix-ui-package.el
@@ -938,6 +938,17 @@ Interactively with prefix, prompt for PROFILE."
   (guix-package-get-display profile 'regexp regexp
                             (or params guix-package-search-params)))
 
+;;;###autoload
+(defun guix-search-by-name (regexp &optional profile)
+  "Search for Guix packages matching REGEXP in a package name.
+If PROFILE is nil, use `guix-current-profile'.
+Interactively with prefix, prompt for PROFILE."
+  (interactive
+   (list (read-string "Package name by regexp: "
+                      nil 'guix-package-search-history)
+         (guix-ui-read-profile)))
+  (guix-search-by-regexp regexp '(name) profile))
+
 ;;;###autoload
 (defun guix-installed-packages (&optional profile)
   "Display information about installed Guix packages.