GNU bug report logs - #43145
[PATCH] gnu: Add emacs-next.

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From: Morgan.J.Smith <at> outlook.com
To: 43145 <at> debbugs.gnu.org
Cc: Morgan Smith <Morgan.J.Smith <at> outlook.com>
Subject: [bug#43145] [PATCH] gnu: Add emacs-next.
Date: Mon, 31 Aug 2020 23:35:41 -0400

From: Morgan Smith <Morgan.J.Smith <at> outlook.com>

* gnu/packages/emacs.scm (emacs-next): New variable.
---
 gnu/packages/emacs.scm | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 0cd3e04381..7f510e9a6f 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -21,6 +21,7 @@
 ;;; Copyright © 2019 Leo Prikler <leo.prikler <at> student.tugraz.at>
 ;;; Copyright © 2019 Amin Bandali <bandali <at> gnu.org>
 ;;; Copyright © 2020 Jack Hill <jackhill <at> jackhill.us>
+;;; Copyright © 2020 Morgan Smith <Morgan.J.Smith <at> outlook.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -276,6 +277,42 @@ large Lisp programs.  It has full Unicode support for nearly all human
 languages.")
     (license license:gpl3+)))
 
+(define-public emacs-next
+  (let ((commit "2ea34662c20f71d35dd52a5ed996542c7386b9cb")
+        (revision "0")
+        (emacs-version "28.0.50.1"))
+    (package/inherit emacs
+      (name "emacs-next")
+      (version (git-version emacs-version revision commit))
+      (source
+       (origin
+         (inherit (package-source emacs))
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://git.savannah.gnu.org/git/emacs.git")
+               (commit commit)))
+         (sha256
+          (base32
+           "0igjm9kwiswn2dpiy2k9xikbdfc7njs07ry48fqz70anljj8y7y3"))))
+      (arguments
+       (substitute-keyword-arguments (package-arguments emacs)
+         ((#:phases phases)
+          `(modify-phases ,phases
+             (replace 'strip-double-wrap
+               (lambda* (#:key outputs #:allow-other-keys)
+                 ;; Directly copy emacs-X.Y to emacs, so that it is not wrapped
+                 ;; twice.  This also fixes a minor issue, where WMs would not be
+                 ;; able to track emacs back to emacs.desktop.
+                 (with-directory-excursion (assoc-ref outputs "out")
+                   (copy-file (string-append
+                               "bin/emacs-"
+                               ,(version-major+minor+point (package-version emacs-next)))
+                              "bin/emacs")
+                   #t)))))))
+      (native-inputs
+       `(("autoconf" ,autoconf)
+         ,@(package-native-inputs emacs))))))
+
 (define-public emacs-minimal
   ;; This is the version that you should use as an input to packages that just
   ;; need to byte-compile .el files.
-- 
2.28.0

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