1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 ( <paren@disroot.org>
;;;
;;; 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu home services emacs)
#:use-module (gnu home services)
#:use-module (gnu home services shepherd)
#:autoload (gnu packages emacs) (emacs-minimal
emacs)
#:use-module (gnu services configuration)
#:use-module (guix gexp)
#:use-module (guix packages)
#:use-module (guix records)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (home-emacs-configuration
home-emacs-service-type))
(define list-of-file-likes?
(list-of file-like?))
(define-configuration/no-serialization home-emacs-configuration
(emacs
(file-like emacs)
"The package providing @file{/bin/emacs}.")
(packages
(list-of-file-likes '())
"Packages to add to the Emacs plugin load path.")
(native-compile?
(boolean #f)
"Whether to compile the @code{packages} using the Emacs package
provided as the value of the @code{emacs} field, which will enable
native compilation if the @code{emacs} package supports it.")
(init-file
(file-like (plain-file "init.el" ""))
"File-like to use as the initialisation Lisp file.")
(early-init-file
(file-like (plain-file "early-init.el" ""))
"File-like to use as the pre-initialisation Lisp file.")
(debug?
(boolean #f)
"Whether to enable debugging."))
(define (home-emacs-profile-packages config)
(list (home-emacs-configuration-emacs config)))
(define (home-emacs-transformed-packages config)
(map (if (home-emacs-configuration-native-compile? config)
(package-input-rewriting
`((,emacs-minimal
. ,(home-emacs-configuration-emacs config))))
identity)
(let ((packages (home-emacs-configuration-packages config)))
(concatenate
(cons packages
(map (compose (cute map second <>)
package-transitive-propagated-inputs)
packages))))))
(define (home-emacs-shepherd-services config)
(list (shepherd-service
(provision '(emacs))
(documentation "Start the Emacs daemon.")
(modules '((ice-9 ftw)
(srfi srfi-1)
(srfi srfi-26)))
(start
#~(make-forkexec-constructor
(list #$(file-append
(home-emacs-configuration-emacs config)
"/bin/emacs")
"--fg-daemon" "--eval"
(format #f "~s"
`(progn
(setq custom-file
(concat (or (getenv "XDG_CONFIG_HOME")
(concat (getenv "HOME")
"/.config"))
"/emacs/custom.el"))
(load custom-file)))
#$@(if (home-emacs-configuration-debug? config)
(list "--debug-init")
'()))
#:log-file
(format #f "~a/emacs.log"
(or (getenv "XDG_LOG_HOME")
(format #f "~a/.local/var/log"
(getenv "HOME"))))
#:environment-variables
(let ((env-var
(lambda (name path)
(define (regular-directory? directory)
(not (member directory (list "." ".."))))
(define (package-paths package)
(let ((directory (string-append package "/" path)))
(if (file-exists? directory)
(cons directory
(map (cute string-append directory "/" <>)
(scandir directory regular-directory?)))
'())))
(let ((old-value (getenv name)))
(string-append
name "="
(string-join
(append-map
package-paths
(list #$@(home-emacs-transformed-packages config)))
":" (if old-value
'suffix
'infix))
(or old-value ""))))))
(append (default-environment-variables)
(list (env-var "EMACSLOADPATH"
"share/emacs/site-lisp")
(env-var "EMACSNATIVELOADPATH"
"lib/emacs/native-site-lisp"))))))
(stop
#~(make-forkexec-constructor
(list #$(file-append
(home-emacs-configuration-emacs config)
"/bin/emacsclient")
"--eval" "(kill-emacs)"))))))
(define (home-emacs-xdg-configuration-files config)
`(("emacs/early-init.el"
,(home-emacs-configuration-early-init-file config))
("emacs/init.el"
,(home-emacs-configuration-init-file config))))
(define home-emacs-service-type
(service-type
(name 'home-emacs)
(extensions
(list (service-extension
home-profile-service-type
home-emacs-profile-packages)
(service-extension
home-shepherd-service-type
home-emacs-shepherd-services)
(service-extension
home-xdg-configuration-files-service-type
home-emacs-xdg-configuration-files)))
(default-value (home-emacs-configuration))
(description
"Configure and run the GNU Emacs extensible text editor.")))
|