gnu: Add emacs-dired-toggle-sudo.

* gnu/packages/emacs-xyz.scm (emacs-dired-toggle-sudo): New variable.
* gnu/packages/patches/emacs-dired-toggle-sudo-emacs-26.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Signed-off-by: Ricardo Wurmus <rekado@elephly.net>

gnu/local.mk

@@ -772,6 +772,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/elfutils-tests-ptrace.patch		\
   %D%/packages/patches/elixir-path-length.patch			\
   %D%/packages/patches/einstein-build.patch			\
+  %D%/packages/patches/emacs-dired-toggle-sudo-emacs-26.patch   \
   %D%/packages/patches/emacs-exec-path.patch			\
   %D%/packages/patches/emacs-fix-scheme-indent-function.patch	\
   %D%/packages/patches/emacs-json-reformat-fix-tests.patch	\

gnu/packages/emacs-xyz.scm

@@ -7185,6 +7185,30 @@ above over the network.")
 in Org buffers and displays matching entries.")
     (license license:gpl3+)))
 
+(define-public emacs-dired-toggle-sudo
+  (package
+    (name "emacs-dired-toggle-sudo")
+    (version "1.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/renard/dired-toggle-sudo")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0ajj8d6k5in2hclcrqckinfh80ylddplva0ryfbkzsjkfq167cv2"))
+       (patches
+        (search-patches
+         "emacs-dired-toggle-sudo-emacs-26.patch"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/renard/dired-toggle-sudo")
+    (synopsis "Browse directory with @code{sudo} privileges")
+    (description "This package allows for the use of @code{dired} with
+@code{sudo} privileges.")
+    (license license:wtfpl2)))
+
 (define-public emacs-memoize
   (package
     (name "emacs-memoize")

gnu/packages/patches/emacs-dired-toggle-sudo-emacs-26.patch

@@ -0,0 +1,49 @@
+From 3c0f4b27a079b90dc632f5061a81ce28cef24801 Mon Sep 17 00:00:00 2001
+From: eryx67 <eryx67@gmail.com>
+Date: Thu, 29 Nov 2018 10:30:20 +0500
+Subject: [PATCH] fix for latest emacs
+
+---
+ dired-toggle-sudo.el | 11 +++++++----
+ 1 file changed, 7 insertions(+), 4 deletions(-)
+
+diff --git a/dired-toggle-sudo.el b/dired-toggle-sudo.el
+index 386921b..fe5898e 100644
+--- a/dired-toggle-sudo.el
++++ b/dired-toggle-sudo.el
+@@ -37,17 +37,20 @@
+ unless SUDO-USER is provided."
+   (let* (;; Handle the case of local files. `tramp-dissect-file-name' does
+ 	 ;; not raise an error anymore.
+-	 (path (if (tramp-tramp-file-p path) path (concat "/:" path)))
++	 ;;(path (if (tramp-tramp-file-p path) path (concat "/-::" path)))
+ 	 (file-vec (or (ignore-errors (tramp-dissect-file-name
+ 				       path))
+ 		       (tramp-dissect-file-name
+-			(concat "/:" path) 1)))
++			(concat "/-::" path) 1)))
+ 	 (method  (tramp-file-name-method file-vec))
+ 	 (user (tramp-file-name-user file-vec))
+ 	 (host  (tramp-file-name-host file-vec))
++         (domain  (tramp-file-name-domain file-vec))
++         (port  (tramp-file-name-port file-vec))
+ 	 (localname (expand-file-name
+ 		     (tramp-file-name-localname file-vec))))
+-    (when (string= system-name host)
++    (when (or (string= (system-name) host)
++              (string= "-" host))
+       (setq host nil))
+     (cond
+      ;; remote directory -> sudo
+@@ -67,7 +70,7 @@ unless SUDO-USER is provided."
+       (setq method "sudo" user sudo-user)))
+     (replace-regexp-in-string
+      "^/:/" "/"
+-     (tramp-make-tramp-file-name method user host localname))))
++     (tramp-make-tramp-file-name method domain user host port localname))))
+ 
+ (defun dired-toggle-sudo-find (fname)
+   "Create a new buffer for file name FNAME."
+-- 
+2.22.0
+