-
Notifications
You must be signed in to change notification settings - Fork 11
/
helm-system-packages-guix.el
377 lines (335 loc) · 15.9 KB
/
helm-system-packages-guix.el
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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
;;; helm-system-packages-guix.el --- Helm UI for Guix. -*- lexical-binding: t -*-
;; Copyright (C) 2012 ~ 2014 Thierry Volpiatto <[email protected]>
;; 2017 ~ 2018, 2020 Pierre Neidhardt <[email protected]>
;; Author: Pierre Neidhardt <[email protected]>
;; URL: https://github.com/emacs-helm/helm-system-packages
;; Version: 1.10.1
;; Package-Requires: ((emacs "25") (helm "2.8.6"))
;; Keywords: helm, guix, packages
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Helm UI for Guix.
;;; Code:
(require 'helm-system-packages)
;; Shut up byte compiler
(defvar eshell-buffer-name)
(declare-function eshell-interactive-process "esh-cmd.el")
(declare-function eshell-send-input "esh-mode.el")
;; TODO: Add support for superseded and obsolete packages.
;; TODO: Add support for multiple outputs (install, uninstall, listing...).
;; TODO: Add support for multiple versions.
(defvar helm-system-packages-guix-help-message
"* Helm guix
Requirements:
** Commands
\\<helm-system-packages-guix-map>
\\[helm-system-packages-guix-toggle-explicit]\t\tToggle display of explicitly installed packages.
\\[helm-system-packages-guix-toggle-uninstalled]\t\tToggle display of non-installed.
\\[helm-system-packages-toggle-descriptions]\t\tToggle display of package descriptions.")
(defvar helm-system-packages-guix-map
;; M-U is reserved for `helm-unmark-all'.
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
(define-key map (kbd "M-I") 'helm-system-packages-guix-toggle-explicit)
(define-key map (kbd "M-N") 'helm-system-packages-guix-toggle-uninstalled)
(define-key map (kbd "C-]") 'helm-system-packages-toggle-descriptions)
map))
(defvar helm-system-packages-guix--show-uninstalled-p t)
(defvar helm-system-packages-guix--show-explicit-p t)
(defun helm-system-packages-guix-toggle-explicit ()
(interactive)
(with-helm-alive-p
(setq helm-system-packages-guix--show-explicit-p
(not helm-system-packages-guix--show-explicit-p))
(helm-update)))
(put 'helm-system-packages-guix-toggle-explicit 'helm-only t)
(defun helm-system-packages-guix-toggle-uninstalled ()
(interactive)
(with-helm-alive-p
(setq helm-system-packages-guix--show-uninstalled-p
(not helm-system-packages-guix--show-uninstalled-p))
(helm-update)))
(put 'helm-system-packages-guix-toggle-uninstalled 'helm-only t)
(defun helm-system-packages-guix-transformer (packages)
(let (res (pkglist (reverse packages)))
(dolist (p pkglist res)
(let ((face (cdr (assoc (helm-system-packages-extract-name p)
(plist-get (helm-system-packages--cache-get) :display)))))
(cond
((not face)
(when helm-system-packages-guix--show-uninstalled-p
(push p res)))
((and helm-system-packages-guix--show-explicit-p
(memq 'helm-system-packages-explicit face))
(push (propertize p 'face (car face)) res)))))))
(defun helm-system-packages-guix-list-explicit ()
"List explicitly installed packages."
(split-string
(with-temp-buffer
(process-file-shell-command "guix package --list-installed | cut -f1" nil t)
(sort-lines nil (point-min) (point-max))
(buffer-string))))
(defun helm-system-packages-guix-el->scheme-syntax (form)
;; Escape symbols are printed as \\NAME while they should be printed as NAME.
(replace-regexp-in-string "\\\\" "" (format "%S" form)))
(cl-defun helm-system-packages-guix-eval (form &rest more-forms)
"Evaluate forms in Guix REPL.
Return the REPL output (including the error output) as a string."
(let ((temp-file))
(unwind-protect
(progn
(setq temp-file (make-temp-file "helm-system-packages-guix"))
(with-temp-buffer
(dolist (f (cons form more-forms))
(insert (helm-system-packages-guix-el->scheme-syntax f)))
(write-region (point-min) (point-max) temp-file))
(message "Building package database...")
(with-output-to-string
(with-current-buffer standard-output
(process-file "guix" nil '(t t) nil "repl" temp-file))))
(delete-file temp-file))))
(defvar helm-system-packages-guix-cache-file
(expand-file-name "helm-system-packages-guix" user-emacs-directory)
"Filename of the cache storing all Guix package descriptions.")
(make-obsolete-variable 'helm-system-packages-guix-cache-file nil "1.10.2")
(defvar helm-system-packages-guix-path
(expand-file-name "current" "~/.config/guix")
"Path to the latest guix checkout.")
(make-obsolete-variable 'helm-system-packages-guix-path nil "1.10.2")
(defun helm-system-packages-generate-database ()
(helm-system-packages-guix-eval
'(use-modules
(guix packages)
(guix licenses)
(guix utils)
(guix build utils) ; For `string-replace-substring'.
(gnu packages))
'(define (ensure-list l)
(if (list? l)
l
(list l)))
'(format '\#t "(~&")
'(fold-packages
(lambda (package count)
(let ((location (package-location package)))
(format '\#t "(~s (:version ~s :outputs ~s :supported-systems ~s :inputs ~s :propagated-inputs ~s :native-inputs ~s :location ~s :home-page ~s :licenses ~s :synopsis ~s :description ~s))~&"
(package-name package)
(package-version package)
(package-outputs package)
(package-supported-systems package)
(map car (package-inputs package))
(map car (package-propagated-inputs package))
(map car (package-native-inputs package))
(string-join (list (location-file location)
(number->string (location-line location))
(number->string (location-column location)))
":")
(or (package-home-page package) "") ; #f must be turned to NIL for Emacs Lisp.
(map license-name (ensure-list (package-license package)))
(package-synopsis package)
(package-description package)))
(+ 1 count))
1)
'(format '\#t "~&)~&")))
(defvar helm-system-packages-guix--databases (make-hash-table :test 'equal)
"Hash-table databases indexed by host.
See `helm-system-packages-guix-database-index'.")
(defun helm-system-packages-guix-database-index ()
"Return hostname corresponding to `default-directory'"
(if (tramp-tramp-file-p default-directory)
(tramp-file-name-host
(tramp-dissect-file-name default-directory))
"localhost"))
(defun helm-system-packages-guix-get-database ()
(let* ((index (helm-system-packages-guix-database-index)))
(or (gethash index helm-system-packages-guix--databases)
(let ((result (cl-sort
(read (helm-system-packages-generate-database))
#'string< :key #'car)))
(puthash index result helm-system-packages-guix--databases)
result))))
(defun helm-system-packages-guix-cache (display-list)
"Cache all package names with descriptions. "
;; We build both caches at the same time. We could also build just-in-time, but
;; benchmarks show that it only saves less than 20% when building one cache.
(let* (names
descriptions)
(setq descriptions
(mapconcat (lambda (name+props)
(let ((name (car name+props))
(synopsis (plist-get (cadr name+props) :synopsis)))
(format "%s%s%s"
name
(make-string (max (- helm-system-packages-column-width
(length name))
1)
? )
synopsis)))
(helm-system-packages-guix-get-database)
"\n"))
;; replace-regexp-in-string is faster than mapconcat over split-string.
(setq names
(replace-regexp-in-string " .*" "" descriptions))
(helm-system-packages--cache-set names descriptions display-list "guix")))
(defun helm-system-packages-guix-refresh ()
"Refresh the list of installed packages."
(interactive)
(remhash (helm-system-packages-guix-database-index) helm-system-packages-guix--databases)
(let* ((explicit (helm-system-packages-guix-list-explicit))
display-list)
(dolist (p explicit)
(push (cons p '(helm-system-packages-explicit)) display-list))
(helm-system-packages-guix-cache display-list)))
(defun helm-system-packages-guix-info (candidate)
"Print information about the selected packages.
With prefix argument, insert the output at point.
Otherwise display in `helm-system-packages-buffer'."
(cl-flet ((format-property
(prop)
(cond
((listp prop)
(string-join prop " "))
(nil "")
(t prop))))
(helm-system-packages-show-information
`((uninstalled .
,(mapcar
(lambda (name)
(let ((props (car (alist-get
name
(helm-system-packages-guix-get-database)
nil nil #'string=))))
(cons name
(string-join
(cl-loop for (key property) on props by #'cddr
collect (format "%s: %s"
(substring (prin1-to-string key) 1)
(format-property property)))
"\n"))))
(if helm-in-persistent-action
(list candidate)
(helm-marked-candidates))))))))
(defun helm-system-packages-guix-run (command args packages)
"Call COMMAND ARGS PACKAGES as current user (sudo is not used).
ARGS and PACKAGES must be lists.
COMMAND will be run in the Eshell buffer named by `helm-system-packages-shell-name'."
(require 'esh-mode)
(if (not packages)
(message "No suitable package selected")
(let ((arg-list (append args packages))
(eshell-buffer-name (helm-system-packages-shell-name)))
;; Refresh package list after command has completed.
(eshell)
(if (eshell-interactive-process)
(message "A process is already running")
(push command arg-list)
(add-hook 'eshell-post-command-hook 'helm-system-packages-guix-refresh nil t)
(add-hook 'eshell-post-command-hook
(lambda () (remove-hook 'eshell-post-command-hook 'helm-system-packages-guix-refresh t))
t t)
(goto-char (point-max))
(insert (mapconcat 'identity arg-list " "))
(when helm-system-packages-auto-send-commandline-p
(eshell-send-input))))))
(defun helm-system-packages-guix-install (_)
"Install marked candidates."
(helm-system-packages-guix-run
"guix" '("package" "--install")
(helm-marked-candidates)))
(defun helm-system-packages-guix-uninstall (_)
"Install marked candidates."
(helm-system-packages-guix-run
"guix" '("package" "--remove")
(helm-marked-candidates)))
(defun helm-system-packages-guix-browse-url (_)
"Print homepage URLs of `helm-marked-candidates'.
With prefix argument, insert the output at point.
Otherwise display in `helm-system-packages-buffer'."
(helm-system-packages-browse-url
(mapcar (lambda (name) (plist-get
(car (alist-get name (helm-system-packages-guix-get-database)
nil nil #'string=))
:home-page))
(helm-marked-candidates))))
(defun helm-system-packages-guix-find-files (_)
"Find files for marked candidates."
(helm-system-packages-find-files
(let* ((file-hash (make-hash-table :test 'equal))
(package-hash (make-hash-table :test 'equal)))
(dolist (s (split-string
(helm-system-packages-call "guix" nil "package" "--list-installed")
"\n" t))
(let ((l (split-string s "\t")))
(push (nth 3 l) (gethash (car l) package-hash))))
(dolist (pkg (helm-marked-candidates) file-hash)
(let ((h (gethash pkg package-hash)))
(when h
(setf (gethash pkg file-hash) (directory-files-recursively (car h) "."))))))))
(defun helm-system-packages-guix-show-dependencies (_candidate)
"List candidate dependencies for `helm-system-packages-show-packages'. "
(let ((title (concat
"Dependencies of "
(mapconcat 'identity (helm-marked-candidates) " "))))
(helm-system-packages-show-packages
`((uninstalled . ,(string-join
(mapcan
(lambda (name)
(let ((props (car (alist-get
name
(helm-system-packages-guix-get-database)
nil nil #'string=))))
(append (plist-get props :inputs)
(plist-get props :propagated-inputs))))
(helm-marked-candidates))
"\n")))
title)))
(defun helm-system-packages-guix-show-reverse-dependencies (_candidate)
"List candidate reverse dependencies for `helm-system-packages-show-packages'. "
(let ((title (concat
"Reverse dependencies of "
(mapconcat 'identity (helm-marked-candidates) " "))))
(helm-system-packages-show-packages
`((uninstalled . ,(with-temp-buffer
(insert
(replace-regexp-in-string
" " "\n"
(replace-regexp-in-string
"@[^ ]+" ""
(replace-regexp-in-string
".*: " ""
(helm-system-packages-call
"guix" (helm-marked-candidates) "refresh" "--list-dependent")))))
(sort-lines nil (point-min) (point-max))
(buffer-string))))
title)))
(defcustom helm-system-packages-guix-actions
'(("Show package(s)" . helm-system-packages-guix-info)
("Install" . helm-system-packages-guix-install)
("Uninstall" . helm-system-packages-guix-uninstall)
("Browse homepage URL" . helm-system-packages-guix-browse-url)
("Find files" . helm-system-packages-guix-find-files)
("Show dependencies" . helm-system-packages-guix-show-dependencies)
("Show reverse dependencies" . helm-system-packages-guix-show-reverse-dependencies))
"Actions for Helm guix."
:group 'helm-system-packages
:type '(alist :key-type string :value-type function))
(defvar helm-system-packages-guix
(helm-system-packages-manager-create
:name "guix"
:refresh-function #'helm-system-packages-guix-refresh
:dependencies '("guix" "recsel")
:help-message 'helm-system-packages-guix-help-message
:keymap helm-system-packages-guix-map
:transformer #'helm-system-packages-guix-transformer
:actions helm-system-packages-guix-actions))
(provide 'helm-system-packages-guix)
;;; helm-system-packages-guix.el ends here