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12059709 | 1 | ;;; package.el --- Simple package system for Emacs -*- lexical-binding:t -*- |
44198b6e | 2 | |
ab422c4d | 3 | ;; Copyright (C) 2007-2013 Free Software Foundation, Inc. |
44198b6e CY |
4 | |
5 | ;; Author: Tom Tromey <tromey@redhat.com> | |
a49ff80c | 6 | ;; Daniel Hackney <dan@haxney.org> |
44198b6e | 7 | ;; Created: 10 Mar 2007 |
397703b4 | 8 | ;; Version: 1.0.1 |
44198b6e | 9 | ;; Keywords: tools |
469bfed9 | 10 | ;; Package-Requires: ((tabulated-list "1.0")) |
44198b6e CY |
11 | |
12 | ;; This file is part of GNU Emacs. | |
13 | ||
267b82ff | 14 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
44198b6e | 15 | ;; it under the terms of the GNU General Public License as published by |
267b82ff GM |
16 | ;; the Free Software Foundation, either version 3 of the License, or |
17 | ;; (at your option) any later version. | |
44198b6e CY |
18 | |
19 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
20 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | ;; GNU General Public License for more details. | |
23 | ||
24 | ;; You should have received a copy of the GNU General Public License | |
267b82ff | 25 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
44198b6e CY |
26 | |
27 | ;;; Change Log: | |
28 | ||
29 | ;; 2 Apr 2007 - now using ChangeLog file | |
30 | ;; 15 Mar 2007 - updated documentation | |
31 | ;; 14 Mar 2007 - Changed how obsolete packages are handled | |
32 | ;; 13 Mar 2007 - Wrote package-install-from-buffer | |
33 | ;; 12 Mar 2007 - Wrote package-menu mode | |
34 | ||
35 | ;;; Commentary: | |
36 | ||
37 | ;; The idea behind package.el is to be able to download packages and | |
38 | ;; install them. Packages are versioned and have versioned | |
39 | ;; dependencies. Furthermore, this supports built-in packages which | |
40 | ;; may or may not be newer than user-specified packages. This makes | |
41 | ;; it possible to upgrade Emacs and automatically disable packages | |
42 | ;; which have moved from external to core. (Note though that we don't | |
43 | ;; currently register any of these, so this feature does not actually | |
44 | ;; work.) | |
45 | ||
44198b6e CY |
46 | ;; A package is described by its name and version. The distribution |
47 | ;; format is either a tar file or a single .el file. | |
48 | ||
49 | ;; A tar file should be named "NAME-VERSION.tar". The tar file must | |
50 | ;; unpack into a directory named after the package and version: | |
51 | ;; "NAME-VERSION". It must contain a file named "PACKAGE-pkg.el" | |
52 | ;; which consists of a call to define-package. It may also contain a | |
53 | ;; "dir" file and the info files it references. | |
54 | ||
bc44bef7 | 55 | ;; A .el file is named "NAME-VERSION.el" in the remote archive, but is |
44198b6e CY |
56 | ;; installed as simply "NAME.el" in a directory named "NAME-VERSION". |
57 | ||
bc44bef7 PH |
58 | ;; The downloader downloads all dependent packages. By default, |
59 | ;; packages come from the official GNU sources, but others may be | |
60 | ;; added by customizing the `package-archives' alist. Packages get | |
61 | ;; byte-compiled at install time. | |
44198b6e CY |
62 | |
63 | ;; At activation time we will set up the load-path and the info path, | |
64 | ;; and we will load the package's autoloads. If a package's | |
65 | ;; dependencies are not available, we will not activate that package. | |
66 | ||
67 | ;; Conceptually a package has multiple state transitions: | |
68 | ;; | |
69 | ;; * Download. Fetching the package from ELPA. | |
70 | ;; * Install. Untar the package, or write the .el file, into | |
71 | ;; ~/.emacs.d/elpa/ directory. | |
72 | ;; * Byte compile. Currently this phase is done during install, | |
73 | ;; but we may change this. | |
74 | ;; * Activate. Evaluate the autoloads for the package to make it | |
75 | ;; available to the user. | |
76 | ;; * Load. Actually load the package and run some code from it. | |
77 | ||
78 | ;; Other external functions you may want to use: | |
79 | ;; | |
015eea59 | 80 | ;; M-x list-packages |
44198b6e CY |
81 | ;; Enters a mode similar to buffer-menu which lets you manage |
82 | ;; packages. You can choose packages for install (mark with "i", | |
83 | ;; then "x" to execute) or deletion (not implemented yet), and you | |
84 | ;; can see what packages are available. This will automatically | |
85 | ;; fetch the latest list of packages from ELPA. | |
86 | ;; | |
44198b6e CY |
87 | ;; M-x package-install-from-buffer |
88 | ;; Install a package consisting of a single .el file that appears | |
89 | ;; in the current buffer. This only works for packages which | |
90 | ;; define a Version header properly; package.el also supports the | |
91 | ;; extension headers Package-Version (in case Version is an RCS id | |
92 | ;; or similar), and Package-Requires (if the package requires other | |
93 | ;; packages). | |
94 | ;; | |
95 | ;; M-x package-install-file | |
96 | ;; Install a package from the indicated file. The package can be | |
97 | ;; either a tar file or a .el file. A tar file must contain an | |
98 | ;; appropriately-named "-pkg.el" file; a .el file must be properly | |
99 | ;; formatted as with package-install-from-buffer. | |
100 | ||
101 | ;;; Thanks: | |
102 | ;;; (sorted by sort-lines): | |
103 | ||
104 | ;; Jim Blandy <jimb@red-bean.com> | |
105 | ;; Karl Fogel <kfogel@red-bean.com> | |
106 | ;; Kevin Ryde <user42@zip.com.au> | |
107 | ;; Lawrence Mitchell | |
108 | ;; Michael Olson <mwolson@member.fsf.org> | |
109 | ;; Sebastian Tennant <sebyte@smolny.plus.com> | |
110 | ;; Stefan Monnier <monnier@iro.umontreal.ca> | |
111 | ;; Vinicius Jose Latorre <viniciusjl@ig.com.br> | |
112 | ;; Phil Hagelberg <phil@hagelb.org> | |
113 | ||
114 | ;;; ToDo: | |
115 | ||
5580f89d GM |
116 | ;; - a trust mechanism, since compiling a package can run arbitrary code. |
117 | ;; For example, download package signatures and check that they match. | |
44198b6e CY |
118 | ;; - putting info dirs at the start of the info path means |
119 | ;; users see a weird ordering of categories. OTOH we want to | |
120 | ;; override later entries. maybe emacs needs to enforce | |
121 | ;; the standard layout? | |
122 | ;; - put bytecode in a separate directory tree | |
123 | ;; - perhaps give users a way to recompile their bytecode | |
124 | ;; or do it automatically when emacs changes | |
125 | ;; - give users a way to know whether a package is installed ok | |
126 | ;; - give users a way to view a package's documentation when it | |
127 | ;; only appears in the .el | |
128 | ;; - use/extend checkdoc so people can tell if their package will work | |
129 | ;; - "installed" instead of a blank in the status column | |
130 | ;; - tramp needs its files to be compiled in a certain order. | |
131 | ;; how to handle this? fix tramp? | |
132 | ;; - on emacs 21 we don't kill the -autoloads.el buffer. what about 22? | |
133 | ;; - maybe we need separate .elc directories for various emacs versions | |
134 | ;; and also emacs-vs-xemacs. That way conditional compilation can | |
135 | ;; work. But would this break anything? | |
136 | ;; - should store the package's keywords in archive-contents, then | |
137 | ;; let the users filter the package-menu by keyword. See | |
138 | ;; finder-by-keyword. (We could also let people view the | |
139 | ;; Commentary, but it isn't clear how useful this is.) | |
140 | ;; - William Xu suggests being able to open a package file without | |
141 | ;; installing it | |
142 | ;; - Interface with desktop.el so that restarting after an install | |
143 | ;; works properly | |
44198b6e CY |
144 | ;; - Use hierarchical layout. PKG/etc PKG/lisp PKG/info |
145 | ;; ... except maybe lisp? | |
146 | ;; - It may be nice to have a macro that expands to the package's | |
147 | ;; private data dir, aka ".../etc". Or, maybe data-directory | |
148 | ;; needs to be a list (though this would be less nice) | |
149 | ;; a few packages want this, eg sokoban | |
150 | ;; - package menu needs: | |
151 | ;; ability to know which packages are built-in & thus not deletable | |
152 | ;; it can sometimes print odd results, like 0.3 available but 0.4 active | |
153 | ;; why is that? | |
154 | ;; - Allow multiple versions on the server...? | |
155 | ;; [ why bother? ] | |
156 | ;; - Don't install a package which will invalidate dependencies overall | |
157 | ;; - Allow something like (or (>= emacs 21.0) (>= xemacs 21.5)) | |
158 | ;; [ currently thinking, why bother.. KISS ] | |
159 | ;; - Allow optional package dependencies | |
160 | ;; then if we require 'bbdb', bbdb-specific lisp in lisp/bbdb | |
161 | ;; and just don't compile to add to load path ...? | |
44198b6e | 162 | ;; - Our treatment of the info path is somewhat bogus |
44198b6e CY |
163 | |
164 | ;;; Code: | |
165 | ||
f56be016 SM |
166 | (eval-when-compile (require 'cl-lib)) |
167 | ||
e91a96fe CY |
168 | (require 'tabulated-list) |
169 | ||
44198b6e CY |
170 | (defgroup package nil |
171 | "Manager for Emacs Lisp packages." | |
172 | :group 'applications | |
173 | :version "24.1") | |
174 | ||
175 | ;;;###autoload | |
176 | (defcustom package-enable-at-startup t | |
177 | "Whether to activate installed packages when Emacs starts. | |
178 | If non-nil, packages are activated after reading the init file | |
179 | and before `after-init-hook'. Activation is not done if | |
180 | `user-init-file' is nil (e.g. Emacs was started with \"-q\"). | |
181 | ||
182 | Even if the value is nil, you can type \\[package-initialize] to | |
183 | activate the package system at any time." | |
184 | :type 'boolean | |
185 | :group 'package | |
186 | :version "24.1") | |
187 | ||
188 | (defcustom package-load-list '(all) | |
189 | "List of packages for `package-initialize' to load. | |
190 | Each element in this list should be a list (NAME VERSION), or the | |
191 | symbol `all'. The symbol `all' says to load the latest installed | |
192 | versions of all packages not specified by other elements. | |
193 | ||
194 | For an element (NAME VERSION), NAME is a package name (a symbol). | |
195 | VERSION should be t, a string, or nil. | |
a7d2d465 | 196 | If VERSION is t, the most recent version is activated. |
44198b6e CY |
197 | If VERSION is a string, only that version is ever loaded. |
198 | Any other version, even if newer, is silently ignored. | |
199 | Hence, the package is \"held\" at that version. | |
200 | If VERSION is nil, the package is not loaded (it is \"disabled\")." | |
201 | :type '(repeat symbol) | |
bc44bef7 | 202 | :risky t |
44198b6e CY |
203 | :group 'package |
204 | :version "24.1") | |
205 | ||
206 | (defvar Info-directory-list) | |
44198b6e CY |
207 | (declare-function info-initialize "info" ()) |
208 | (declare-function url-http-parse-response "url-http" ()) | |
209 | (declare-function lm-header "lisp-mnt" (header)) | |
210 | (declare-function lm-commentary "lisp-mnt" (&optional file)) | |
cb6c4991 | 211 | (defvar url-http-end-of-headers) |
44198b6e | 212 | |
bc44bef7 PH |
213 | (defcustom package-archives '(("gnu" . "http://elpa.gnu.org/packages/")) |
214 | "An alist of archives from which to fetch. | |
215 | The default value points to the GNU Emacs package repository. | |
f561e49a CY |
216 | |
217 | Each element has the form (ID . LOCATION). | |
218 | ID is an archive name, as a string. | |
219 | LOCATION specifies the base location for the archive. | |
220 | If it starts with \"http:\", it is treated as a HTTP URL; | |
221 | otherwise it should be an absolute directory name. | |
5580f89d GM |
222 | (Other types of URL are currently not supported.) |
223 | ||
224 | Only add locations that you trust, since fetching and installing | |
225 | a package can run arbitrary code." | |
bc44bef7 | 226 | :type '(alist :key-type (string :tag "Archive name") |
f561e49a | 227 | :value-type (string :tag "URL or directory name")) |
bc44bef7 PH |
228 | :risky t |
229 | :group 'package | |
230 | :version "24.1") | |
44198b6e | 231 | |
397703b4 YH |
232 | (defcustom package-pinned-packages nil |
233 | "An alist of packages that are pinned to a specific archive | |
234 | ||
235 | Each element has the form (SYM . ID). | |
236 | SYM is a package, as a symbol. | |
5b165ade | 237 | ID is an archive name. This should correspond to an |
397703b4 YH |
238 | entry in `package-archives'. |
239 | ||
240 | If the archive of name ID does not contain the package SYM, no | |
241 | other location will be considered, which will make the | |
242 | package unavailable." | |
243 | :type '(alist :key-type (symbol :tag "Package") | |
244 | :value-type (string :tag "Archive name")) | |
245 | :risky t | |
246 | :group 'package | |
247 | :version "24.4") | |
248 | ||
44198b6e CY |
249 | (defconst package-archive-version 1 |
250 | "Version number of the package archive understood by this file. | |
251 | Lower version numbers than this will probably be understood as well.") | |
252 | ||
44198b6e CY |
253 | ;; We don't prime the cache since it tends to get out of date. |
254 | (defvar package-archive-contents nil | |
255 | "Cache of the contents of the Emacs Lisp Package Archive. | |
f56be016 | 256 | This is an alist mapping package names (symbols) to |
12059709 | 257 | non-empty lists of `package-desc' structures.") |
bc44bef7 | 258 | (put 'package-archive-contents 'risky-local-variable t) |
44198b6e CY |
259 | |
260 | (defcustom package-user-dir (locate-user-emacs-file "elpa") | |
261 | "Directory containing the user's Emacs Lisp packages. | |
262 | The directory name should be absolute. | |
263 | Apart from this directory, Emacs also looks for system-wide | |
264 | packages in `package-directory-list'." | |
265 | :type 'directory | |
bc44bef7 | 266 | :risky t |
44198b6e CY |
267 | :group 'package |
268 | :version "24.1") | |
269 | ||
270 | (defcustom package-directory-list | |
271 | ;; Defaults are subdirs named "elpa" in the site-lisp dirs. | |
272 | (let (result) | |
273 | (dolist (f load-path) | |
0be01d2c CY |
274 | (and (stringp f) |
275 | (equal (file-name-nondirectory f) "site-lisp") | |
276 | (push (expand-file-name "elpa" f) result))) | |
44198b6e CY |
277 | (nreverse result)) |
278 | "List of additional directories containing Emacs Lisp packages. | |
279 | Each directory name should be absolute. | |
280 | ||
281 | These directories contain packages intended for system-wide; in | |
282 | contrast, `package-user-dir' contains packages for personal use." | |
283 | :type '(repeat directory) | |
bc44bef7 | 284 | :risky t |
44198b6e CY |
285 | :group 'package |
286 | :version "24.1") | |
287 | ||
f56be016 SM |
288 | (defvar package--default-summary "No description available.") |
289 | ||
290 | (cl-defstruct (package-desc | |
291 | ;; Rename the default constructor from `make-package-desc'. | |
292 | (:constructor package-desc-create) | |
293 | ;; Has the same interface as the old `define-package', | |
294 | ;; which is still used in the "foo-pkg.el" files. Extra | |
295 | ;; options can be supported by adding additional keys. | |
296 | (:constructor | |
297 | package-desc-from-define | |
298 | (name-string version-string &optional summary requirements | |
9c959872 | 299 | &key kind archive &allow-other-keys |
f56be016 SM |
300 | &aux |
301 | (name (intern name-string)) | |
302 | (version (version-to-list version-string)) | |
303 | (reqs (mapcar #'(lambda (elt) | |
304 | (list (car elt) | |
305 | (version-to-list (cadr elt)))) | |
306 | (if (eq 'quote (car requirements)) | |
307 | (nth 1 requirements) | |
308 | requirements)))))) | |
309 | "Structure containing information about an individual package. | |
f56be016 SM |
310 | Slots: |
311 | ||
12059709 | 312 | `name' Name of the package, as a symbol. |
f56be016 SM |
313 | |
314 | `version' Version of the package, as a version list. | |
315 | ||
316 | `summary' Short description of the package, typically taken from | |
12059709 | 317 | the first line of the file. |
f56be016 | 318 | |
12059709 SM |
319 | `reqs' Requirements of the package. A list of (PACKAGE |
320 | VERSION-LIST) naming the dependent package and the minimum | |
321 | required version. | |
f56be016 | 322 | |
12059709 SM |
323 | `kind' The distribution format of the package. Currently, it is |
324 | either `single' or `tar'. | |
f56be016 SM |
325 | |
326 | `archive' The name of the archive (as a string) whence this | |
12059709 | 327 | package came. |
1b8dff23 | 328 | |
12059709 SM |
329 | `dir' The directory where the package is installed (if installed), |
330 | `builtin' if it is built-in, or nil otherwise." | |
f56be016 SM |
331 | name |
332 | version | |
333 | (summary package--default-summary) | |
334 | reqs | |
335 | kind | |
1b8dff23 SM |
336 | archive |
337 | dir) | |
338 | ||
339 | ;; Pseudo fields. | |
fd846ab4 | 340 | (defun package-desc-full-name (pkg-desc) |
1b8dff23 SM |
341 | (format "%s-%s" |
342 | (package-desc-name pkg-desc) | |
343 | (package-version-join (package-desc-version pkg-desc)))) | |
f56be016 | 344 | |
fd846ab4 SM |
345 | (defun package-desc-suffix (pkg-desc) |
346 | (pcase (package-desc-kind pkg-desc) | |
347 | (`single ".el") | |
348 | (`tar ".tar") | |
349 | (kind (error "Unknown package kind: %s" kind)))) | |
350 | ||
f56be016 SM |
351 | ;; Package descriptor format used in finder-inf.el and package--builtins. |
352 | (cl-defstruct (package--bi-desc | |
353 | (:constructor package-make-builtin (version summary)) | |
354 | (:type vector)) | |
355 | version | |
356 | reqs | |
357 | summary) | |
358 | ||
96ae4c8f CY |
359 | (defvar package--builtins nil |
360 | "Alist of built-in packages. | |
015eea59 CY |
361 | The actual value is initialized by loading the library |
362 | `finder-inf'; this is not done until it is needed, e.g. by the | |
363 | function `package-built-in-p'. | |
364 | ||
f56be016 SM |
365 | Each element has the form (PKG . PACKAGE-BI-DESC), where PKG is a package |
366 | name (a symbol) and DESC is a `package--bi-desc' structure.") | |
bc44bef7 | 367 | (put 'package--builtins 'risky-local-variable t) |
44198b6e | 368 | |
96ae4c8f | 369 | (defvar package-alist nil |
44198b6e | 370 | "Alist of all packages available for activation. |
a7d2d465 SM |
371 | Each element has the form (PKG . DESCS), where PKG is a package |
372 | name (a symbol) and DESCS is a non-empty list of `package-desc' structure, | |
373 | sorted by decreasing versions. | |
96ae4c8f CY |
374 | |
375 | This variable is set automatically by `package-load-descriptor', | |
376 | called via `package-initialize'. To change which packages are | |
377 | loaded and/or activated, customize `package-load-list'.") | |
25322144 | 378 | (put 'package-alist 'risky-local-variable t) |
44198b6e | 379 | |
96ae4c8f | 380 | (defvar package-activated-list nil |
66bd25ab | 381 | ;; FIXME: This should implicitly include all builtin packages. |
44198b6e | 382 | "List of the names of currently activated packages.") |
bc44bef7 | 383 | (put 'package-activated-list 'risky-local-variable t) |
44198b6e | 384 | |
ba08b241 CY |
385 | (defun package-version-join (vlist) |
386 | "Return the version string corresponding to the list VLIST. | |
387 | This is, approximately, the inverse of `version-to-list'. | |
388 | \(Actually, it returns only one of the possible inverses, since | |
389 | `version-to-list' is a many-to-one operation.)" | |
390 | (if (null vlist) | |
391 | "" | |
392 | (let ((str-list (list "." (int-to-string (car vlist))))) | |
393 | (dolist (num (cdr vlist)) | |
394 | (cond | |
395 | ((>= num 0) | |
396 | (push (int-to-string num) str-list) | |
397 | (push "." str-list)) | |
398 | ((< num -3) | |
399 | (error "Invalid version list `%s'" vlist)) | |
400 | (t | |
401 | ;; pre, or beta, or alpha | |
402 | (cond ((equal "." (car str-list)) | |
403 | (pop str-list)) | |
404 | ((not (string-match "[0-9]+" (car str-list))) | |
405 | (error "Invalid version list `%s'" vlist))) | |
406 | (push (cond ((= num -1) "pre") | |
407 | ((= num -2) "beta") | |
408 | ((= num -3) "alpha")) | |
409 | str-list)))) | |
410 | (if (equal "." (car str-list)) | |
411 | (pop str-list)) | |
412 | (apply 'concat (nreverse str-list))))) | |
44198b6e | 413 | |
1b8dff23 SM |
414 | (defun package-load-descriptor (pkg-dir) |
415 | "Load the description file in directory PKG-DIR." | |
416 | (let ((pkg-file (expand-file-name (package--description-file pkg-dir) | |
417 | pkg-dir))) | |
418 | (when (file-exists-p pkg-file) | |
419 | (with-temp-buffer | |
420 | (insert-file-contents pkg-file) | |
1b8dff23 | 421 | (goto-char (point-min)) |
b5bcaee5 DG |
422 | (let ((pkg-desc (package-process-define-package |
423 | (read (current-buffer)) pkg-file))) | |
fd846ab4 SM |
424 | (setf (package-desc-dir pkg-desc) pkg-dir) |
425 | pkg-desc))))) | |
44198b6e CY |
426 | |
427 | (defun package-load-all-descriptors () | |
428 | "Load descriptors for installed Emacs Lisp packages. | |
429 | This looks for package subdirectories in `package-user-dir' and | |
430 | `package-directory-list'. The variable `package-load-list' | |
431 | controls which package subdirectories may be loaded. | |
432 | ||
433 | In each valid package subdirectory, this function loads the | |
434 | description file containing a call to `define-package', which | |
a7d2d465 | 435 | updates `package-alist'." |
1b8dff23 SM |
436 | (dolist (dir (cons package-user-dir package-directory-list)) |
437 | (when (file-directory-p dir) | |
438 | (dolist (subdir (directory-files dir)) | |
439 | (let ((pkg-dir (expand-file-name subdir dir))) | |
440 | (when (file-directory-p pkg-dir) | |
441 | (package-load-descriptor pkg-dir))))))) | |
442 | ||
443 | (defun package-disabled-p (pkg-name version) | |
444 | "Return whether PKG-NAME at VERSION can be activated. | |
445 | The decision is made according to `package-load-list'. | |
446 | Return nil if the package can be activated. | |
447 | Return t if the package is completely disabled. | |
448 | Return the max version (as a string) if the package is held at a lower version." | |
449 | (let ((force (assq pkg-name package-load-list))) | |
450 | (cond ((null force) (not (memq 'all package-load-list))) | |
451 | ((null (setq force (cadr force))) t) ; disabled | |
452 | ((eq force t) nil) | |
453 | ((stringp force) ; held | |
454 | (unless (version-list-= version (version-to-list force)) | |
455 | force)) | |
456 | (t (error "Invalid element in `package-load-list'"))))) | |
cced7584 | 457 | |
f56be016 SM |
458 | (defun package-activate-1 (pkg-desc) |
459 | (let* ((name (package-desc-name pkg-desc)) | |
2d69b99e SM |
460 | (pkg-dir (package-desc-dir pkg-desc)) |
461 | (pkg-dir-dir (file-name-as-directory pkg-dir))) | |
44198b6e | 462 | (unless pkg-dir |
1b8dff23 SM |
463 | (error "Internal error: unable to find directory for `%s'" |
464 | (package-desc-full-name pkg-desc))) | |
2d69b99e SM |
465 | ;; Add to load path, add autoloads, and activate the package. |
466 | (let ((old-lp load-path)) | |
467 | (load (expand-file-name (format "%s-autoloads" name) pkg-dir) nil t) | |
468 | (when (and (eq old-lp load-path) | |
469 | (not (or (member pkg-dir load-path) | |
470 | (member pkg-dir-dir load-path)))) | |
471 | ;; Old packages don't add themselves to the `load-path', so we have to | |
472 | ;; do it ourselves. | |
473 | (push pkg-dir load-path))) | |
cced7584 | 474 | ;; Add info node. |
ebf662f4 CY |
475 | (when (file-exists-p (expand-file-name "dir" pkg-dir)) |
476 | ;; FIXME: not the friendliest, but simple. | |
477 | (require 'info) | |
478 | (info-initialize) | |
479 | (push pkg-dir Info-directory-list)) | |
f56be016 | 480 | (push name package-activated-list) |
44198b6e CY |
481 | ;; Don't return nil. |
482 | t)) | |
483 | ||
7ede3b65 CY |
484 | (defun package-built-in-p (package &optional min-version) |
485 | "Return true if PACKAGE is built-in to Emacs. | |
486 | Optional arg MIN-VERSION, if non-nil, should be a version list | |
487 | specifying the minimum acceptable version." | |
66bd25ab SM |
488 | (let ((bi (assq package package--builtin-versions))) |
489 | (cond | |
490 | (bi (version-list-<= min-version (cdr bi))) | |
491 | (min-version nil) | |
492 | (t | |
493 | (require 'finder-inf nil t) ; For `package--builtins'. | |
494 | (assq package package--builtins))))) | |
f56be016 SM |
495 | |
496 | (defun package--from-builtin (bi-desc) | |
497 | (package-desc-create :name (pop bi-desc) | |
498 | :version (package--bi-desc-version bi-desc) | |
12059709 SM |
499 | :summary (package--bi-desc-summary bi-desc) |
500 | :dir 'builtin)) | |
44198b6e | 501 | |
4b99edf2 CY |
502 | ;; This function goes ahead and activates a newer version of a package |
503 | ;; if an older one was already activated. This is not ideal; we'd at | |
504 | ;; least need to check to see if the package has actually been loaded, | |
505 | ;; and not merely activated. | |
a7d2d465 SM |
506 | (defun package-activate (package &optional force) |
507 | "Activate package PACKAGE. | |
508 | If FORCE is true, (re-)activate it if it's already activated." | |
509 | (let ((pkg-descs (cdr (assq package package-alist)))) | |
4b99edf2 | 510 | ;; Check if PACKAGE is available in `package-alist'. |
a7d2d465 SM |
511 | (while |
512 | (when pkg-descs | |
513 | (let ((available-version (package-desc-version (car pkg-descs)))) | |
514 | (or (package-disabled-p package available-version) | |
515 | ;; Prefer a builtin package. | |
516 | (package-built-in-p package available-version)))) | |
517 | (setq pkg-descs (cdr pkg-descs))) | |
4b99edf2 CY |
518 | (cond |
519 | ;; If no such package is found, maybe it's built-in. | |
a7d2d465 SM |
520 | ((null pkg-descs) |
521 | (package-built-in-p package)) | |
4b99edf2 | 522 | ;; If the package is already activated, just return t. |
a7d2d465 | 523 | ((and (memq package package-activated-list) (not force)) |
4b99edf2 CY |
524 | t) |
525 | ;; Otherwise, proceed with activation. | |
526 | (t | |
a7d2d465 SM |
527 | (let* ((pkg-vec (car pkg-descs)) |
528 | (fail (catch 'dep-failure | |
529 | ;; Activate its dependencies recursively. | |
530 | (dolist (req (package-desc-reqs pkg-vec)) | |
531 | (unless (package-activate (car req) (cadr req)) | |
532 | (throw 'dep-failure req)))))) | |
4b99edf2 CY |
533 | (if fail |
534 | (warn "Unable to activate package `%s'. | |
015eea59 | 535 | Required package `%s-%s' is unavailable" |
4b99edf2 CY |
536 | package (car fail) (package-version-join (cadr fail))) |
537 | ;; If all goes well, activate the package itself. | |
f56be016 | 538 | (package-activate-1 pkg-vec))))))) |
44198b6e | 539 | |
fd846ab4 SM |
540 | (defun define-package (_name-string _version-string |
541 | &optional _docstring _requirements | |
542 | &rest _extra-properties) | |
44198b6e | 543 | "Define a new package. |
4b99edf2 | 544 | NAME-STRING is the name of the package, as a string. |
7ede3b65 | 545 | VERSION-STRING is the version of the package, as a string. |
4b99edf2 CY |
546 | DOCSTRING is a short description of the package, a string. |
547 | REQUIREMENTS is a list of dependencies on other packages. | |
7ede3b65 CY |
548 | Each requirement is of the form (OTHER-PACKAGE OTHER-VERSION), |
549 | where OTHER-VERSION is a string. | |
187d3296 CY |
550 | |
551 | EXTRA-PROPERTIES is currently unused." | |
1b8dff23 SM |
552 | ;; FIXME: Placeholder! Should we keep it? |
553 | (error "Don't call me!")) | |
554 | ||
555 | (defun package-process-define-package (exp origin) | |
556 | (unless (eq (car-safe exp) 'define-package) | |
557 | (error "Can't find define-package in %s" origin)) | |
558 | (let* ((new-pkg-desc (apply #'package-desc-from-define (cdr exp))) | |
559 | (name (package-desc-name new-pkg-desc)) | |
560 | (version (package-desc-version new-pkg-desc)) | |
a7d2d465 SM |
561 | (old-pkgs (assq name package-alist))) |
562 | (if (null old-pkgs) | |
563 | ;; If there's no old package, just add this to `package-alist'. | |
564 | (push (list name new-pkg-desc) package-alist) | |
565 | ;; If there is, insert the new package at the right place in the list. | |
5b165ade SM |
566 | (while |
567 | (if (and (cdr old-pkgs) | |
568 | (version-list-< version | |
569 | (package-desc-version (cadr old-pkgs)))) | |
570 | (setq old-pkgs (cdr old-pkgs)) | |
571 | (push new-pkg-desc (cdr old-pkgs)) | |
572 | nil))) | |
1b8dff23 | 573 | new-pkg-desc)) |
44198b6e | 574 | |
fd846ab4 | 575 | ;; From Emacs 22, but changed so it adds to load-path. |
44198b6e CY |
576 | (defun package-autoload-ensure-default-file (file) |
577 | "Make sure that the autoload file FILE exists and if not create it." | |
578 | (unless (file-exists-p file) | |
579 | (write-region | |
580 | (concat ";;; " (file-name-nondirectory file) | |
581 | " --- automatically extracted autoloads\n" | |
582 | ";;\n" | |
4fac34ce SM |
583 | ";;; Code:\n" |
584 | "(add-to-list 'load-path (or (file-name-directory #$) (car load-path)))\n" | |
44198b6e CY |
585 | "\f\n;; Local Variables:\n" |
586 | ";; version-control: never\n" | |
587 | ";; no-byte-compile: t\n" | |
588 | ";; no-update-autoloads: t\n" | |
589 | ";; End:\n" | |
590 | ";;; " (file-name-nondirectory file) | |
591 | " ends here\n") | |
592 | nil file)) | |
593 | file) | |
594 | ||
12059709 SM |
595 | (defvar generated-autoload-file) |
596 | (defvar version-control) | |
597 | ||
44198b6e | 598 | (defun package-generate-autoloads (name pkg-dir) |
9a70f03d | 599 | (require 'autoload) ;Load before we let-bind generated-autoload-file! |
f56be016 | 600 | (let* ((auto-name (format "%s-autoloads.el" name)) |
4d6769e1 | 601 | ;;(ignore-name (concat name "-pkg.el")) |
44198b6e CY |
602 | (generated-autoload-file (expand-file-name auto-name pkg-dir)) |
603 | (version-control 'never)) | |
4fac34ce | 604 | (package-autoload-ensure-default-file generated-autoload-file) |
cd44022c DH |
605 | (update-directory-autoloads pkg-dir) |
606 | (let ((buf (find-buffer-visiting generated-autoload-file))) | |
f56be016 SM |
607 | (when buf (kill-buffer buf))) |
608 | auto-name)) | |
44198b6e | 609 | |
4525ce3e CY |
610 | (defvar tar-parse-info) |
611 | (declare-function tar-untar-buffer "tar-mode" ()) | |
f20def1f GM |
612 | (declare-function tar-header-name "tar-mode" (tar-header) t) |
613 | (declare-function tar-header-link-type "tar-mode" (tar-header) t) | |
4525ce3e CY |
614 | |
615 | (defun package-untar-buffer (dir) | |
44198b6e | 616 | "Untar the current buffer. |
4525ce3e CY |
617 | This uses `tar-untar-buffer' from Tar mode. All files should |
618 | untar into a directory named DIR; otherwise, signal an error." | |
44198b6e | 619 | (require 'tar-mode) |
4525ce3e CY |
620 | (tar-mode) |
621 | ;; Make sure everything extracts into DIR. | |
3c94d7a6 CY |
622 | (let ((regexp (concat "\\`" (regexp-quote (expand-file-name dir)) "/")) |
623 | (case-fold-search (memq system-type '(windows-nt ms-dos cygwin)))) | |
4525ce3e | 624 | (dolist (tar-data tar-parse-info) |
3c94d7a6 CY |
625 | (let ((name (expand-file-name (tar-header-name tar-data)))) |
626 | (or (string-match regexp name) | |
627 | ;; Tarballs created by some utilities don't list | |
628 | ;; directories with a trailing slash (Bug#13136). | |
629 | (and (string-equal dir name) | |
630 | (eq (tar-header-link-type tar-data) 5)) | |
631 | (error "Package does not untar cleanly into directory %s/" dir))))) | |
4525ce3e | 632 | (tar-untar-buffer)) |
44198b6e | 633 | |
fd846ab4 SM |
634 | (defun package-generate-description-file (pkg-desc pkg-dir) |
635 | "Create the foo-pkg.el file for single-file packages." | |
636 | (let* ((name (package-desc-name pkg-desc)) | |
637 | (pkg-file (expand-file-name (package--description-file pkg-dir) | |
638 | pkg-dir))) | |
639 | (let ((print-level nil) | |
640 | (print-quoted t) | |
641 | (print-length nil)) | |
642 | (write-region | |
643 | (concat | |
644 | (prin1-to-string | |
645 | (list 'define-package | |
646 | (symbol-name name) | |
647 | (package-version-join (package-desc-version pkg-desc)) | |
648 | (package-desc-summary pkg-desc) | |
649 | (let ((requires (package-desc-reqs pkg-desc))) | |
650 | (list 'quote | |
651 | ;; Turn version lists into string form. | |
652 | (mapcar | |
653 | (lambda (elt) | |
654 | (list (car elt) | |
655 | (package-version-join (cadr elt)))) | |
656 | requires))))) | |
657 | "\n") | |
658 | nil | |
659 | pkg-file)))) | |
660 | ||
661 | (defun package-unpack (pkg-desc) | |
662 | "Install the contents of the current buffer as a package." | |
663 | (let* ((name (package-desc-name pkg-desc)) | |
664 | (dirname (package-desc-full-name pkg-desc)) | |
4525ce3e | 665 | (pkg-dir (expand-file-name dirname package-user-dir))) |
fd846ab4 SM |
666 | (pcase (package-desc-kind pkg-desc) |
667 | (`tar | |
668 | (make-directory package-user-dir t) | |
669 | ;; FIXME: should we delete PKG-DIR if it exists? | |
670 | (let* ((default-directory (file-name-as-directory package-user-dir))) | |
671 | (package-untar-buffer dirname))) | |
672 | (`single | |
673 | (let ((el-file (expand-file-name (format "%s.el" name) pkg-dir))) | |
674 | (make-directory pkg-dir t) | |
675 | (package--write-file-no-coding el-file))) | |
676 | (kind (error "Unknown package kind: %S" kind))) | |
677 | (package--make-autoloads-and-stuff pkg-desc pkg-dir) | |
678 | ;; Update package-alist. | |
679 | (let ((new-desc (package-load-descriptor pkg-dir))) | |
680 | ;; FIXME: Check that `new-desc' matches `desc'! | |
681 | ;; FIXME: Compilation should be done as a separate, optional, step. | |
682 | ;; E.g. for multi-package installs, we should first install all packages | |
683 | ;; and then compile them. | |
684 | (package--compile new-desc)) | |
685 | ;; Try to activate it. | |
a7d2d465 | 686 | (package-activate name 'force) |
fd846ab4 SM |
687 | pkg-dir)) |
688 | ||
689 | (defun package--make-autoloads-and-stuff (pkg-desc pkg-dir) | |
690 | "Generate autoloads, description file, etc.. for PKG-DESC installed at PKG-DIR." | |
691 | (package-generate-autoloads (package-desc-name pkg-desc) pkg-dir) | |
692 | (let ((desc-file (package--description-file pkg-dir))) | |
693 | (unless (file-exists-p desc-file) | |
694 | (package-generate-description-file pkg-desc pkg-dir))) | |
695 | ;; FIXME: Create foo.info and dir file from foo.texi? | |
696 | ) | |
697 | ||
698 | (defun package--compile (pkg-desc) | |
699 | "Byte-compile installed package PKG-DESC." | |
700 | (package-activate-1 pkg-desc) | |
701 | (byte-recompile-directory (package-desc-dir pkg-desc) 0 t)) | |
44198b6e | 702 | |
c6affbde | 703 | (defun package--write-file-no-coding (file-name) |
bc44bef7 | 704 | (let ((buffer-file-coding-system 'no-conversion)) |
c6affbde | 705 | (write-region (point-min) (point-max) file-name))) |
bc44bef7 | 706 | |
f561e49a CY |
707 | (defmacro package--with-work-buffer (location file &rest body) |
708 | "Run BODY in a buffer containing the contents of FILE at LOCATION. | |
709 | LOCATION is the base location of a package archive, and should be | |
710 | one of the URLs (or file names) specified in `package-archives'. | |
711 | FILE is the name of a file relative to that base location. | |
712 | ||
713 | This macro retrieves FILE from LOCATION into a temporary buffer, | |
714 | and evaluates BODY while that buffer is current. This work | |
715 | buffer is killed afterwards. Return the last value in BODY." | |
fd846ab4 | 716 | (declare (indent 2) (debug t)) |
da91b5f2 | 717 | `(let* ((http (string-match "\\`https?:" ,location)) |
f561e49a CY |
718 | (buffer |
719 | (if http | |
720 | (url-retrieve-synchronously (concat ,location ,file)) | |
721 | (generate-new-buffer "*package work buffer*")))) | |
722 | (prog1 | |
723 | (with-current-buffer buffer | |
724 | (if http | |
725 | (progn (package-handle-response) | |
726 | (re-search-forward "^$" nil 'move) | |
727 | (forward-char) | |
728 | (delete-region (point-min) (point))) | |
729 | (unless (file-name-absolute-p ,location) | |
730 | (error "Archive location %s is not an absolute file name" | |
731 | ,location)) | |
732 | (insert-file-contents (expand-file-name ,file ,location))) | |
733 | ,@body) | |
734 | (kill-buffer buffer)))) | |
735 | ||
44198b6e | 736 | (defun package-handle-response () |
f561e49a | 737 | "Handle the response from a `url-retrieve-synchronously' call. |
44198b6e CY |
738 | Parse the HTTP response and throw if an error occurred. |
739 | The url package seems to require extra processing for this. | |
740 | This should be called in a `save-excursion', in the download buffer. | |
741 | It will move point to somewhere in the headers." | |
742 | ;; We assume HTTP here. | |
743 | (require 'url-http) | |
744 | (let ((response (url-http-parse-response))) | |
745 | (when (or (< response 200) (>= response 300)) | |
44198b6e | 746 | (error "Error during download request:%s" |
66bd25ab | 747 | (buffer-substring-no-properties (point) (line-end-position)))))) |
44198b6e | 748 | |
fd846ab4 | 749 | (defun package-install-from-archive (pkg-desc) |
44198b6e | 750 | "Download and install a tar package." |
fd846ab4 SM |
751 | (let ((location (package-archive-base pkg-desc)) |
752 | (file (concat (package-desc-full-name pkg-desc) | |
753 | (package-desc-suffix pkg-desc)))) | |
f561e49a | 754 | (package--with-work-buffer location file |
fd846ab4 | 755 | (package-unpack pkg-desc)))) |
44198b6e | 756 | |
1ead7dbd SM |
757 | (defvar package--initialized nil) |
758 | ||
bc44bef7 | 759 | (defun package-installed-p (package &optional min-version) |
7ede3b65 CY |
760 | "Return true if PACKAGE, of MIN-VERSION or newer, is installed. |
761 | MIN-VERSION should be a version list." | |
a7723be6 | 762 | (unless package--initialized (error "package.el is not yet initialized!")) |
a7d2d465 SM |
763 | (or |
764 | (let ((pkg-descs (cdr (assq package package-alist)))) | |
765 | (and pkg-descs | |
766 | (version-list-<= min-version | |
767 | (package-desc-version (car pkg-descs))))) | |
768 | ;; Also check built-in packages. | |
769 | (package-built-in-p package min-version))) | |
44198b6e | 770 | |
12059709 SM |
771 | (defun package-compute-transaction (packages requirements) |
772 | "Return a list of packages to be installed, including PACKAGES. | |
773 | PACKAGES should be a list of `package-desc'. | |
96ae4c8f CY |
774 | |
775 | REQUIREMENTS should be a list of additional requirements; each | |
7ede3b65 CY |
776 | element in this list should have the form (PACKAGE VERSION-LIST), |
777 | where PACKAGE is a package name and VERSION-LIST is the required | |
778 | version of that package. | |
96ae4c8f CY |
779 | |
780 | This function recursively computes the requirements of the | |
781 | packages in REQUIREMENTS, and returns a list of all the packages | |
782 | that must be installed. Packages that are already installed are | |
783 | not included in this list." | |
12059709 SM |
784 | ;; FIXME: We really should use backtracking to explore the whole |
785 | ;; search space (e.g. if foo require bar-1.3, and bar-1.4 requires toto-1.1 | |
786 | ;; whereas bar-1.3 requires toto-1.0 and the user has put a hold on toto-1.0: | |
787 | ;; the current code might fail to see that it could install foo by using the | |
788 | ;; older bar-1.3). | |
44198b6e CY |
789 | (dolist (elt requirements) |
790 | (let* ((next-pkg (car elt)) | |
12059709 SM |
791 | (next-version (cadr elt)) |
792 | (already ())) | |
793 | (dolist (pkg packages) | |
794 | (if (eq next-pkg (package-desc-name pkg)) | |
795 | (setq already pkg))) | |
796 | (cond | |
797 | (already | |
798 | (if (version-list-< next-version (package-desc-version already)) | |
799 | ;; Move to front, so it gets installed early enough (bug#14082). | |
800 | (setq packages (cons already (delq already packages))) | |
801 | (error "Need package `%s-%s', but only %s is available" | |
802 | next-pkg (package-version-join next-version) | |
803 | (package-version-join (package-desc-version already))))) | |
804 | ||
805 | ((package-installed-p next-pkg next-version) nil) | |
806 | ||
807 | (t | |
44198b6e CY |
808 | ;; A package is required, but not installed. It might also be |
809 | ;; blocked via `package-load-list'. | |
12059709 SM |
810 | (let ((pkg-descs (cdr (assq next-pkg package-archive-contents))) |
811 | (found nil) | |
812 | (problem nil)) | |
813 | (while (and pkg-descs (not found)) | |
814 | (let* ((pkg-desc (pop pkg-descs)) | |
815 | (version (package-desc-version pkg-desc)) | |
816 | (disabled (package-disabled-p next-pkg version))) | |
817 | (cond | |
818 | ((version-list-< version next-version) | |
819 | (error | |
820 | "Need package `%s-%s', but only %s is available" | |
821 | next-pkg (package-version-join next-version) | |
822 | (package-version-join version))) | |
823 | (disabled | |
824 | (unless problem | |
825 | (setq problem | |
826 | (if (stringp disabled) | |
827 | (format "Package `%s' held at version %s, \ | |
44198b6e | 828 | but version %s required" |
12059709 SM |
829 | next-pkg disabled |
830 | (package-version-join next-version)) | |
831 | (format "Required package '%s' is disabled" | |
832 | next-pkg))))) | |
833 | (t (setq found pkg-desc))))) | |
834 | (unless found | |
835 | (if problem | |
836 | (error problem) | |
837 | (error "Package `%s-%s' is unavailable" | |
838 | next-pkg (package-version-join next-version)))) | |
839 | (setq packages | |
840 | (package-compute-transaction (cons found packages) | |
841 | (package-desc-reqs found)))))))) | |
842 | packages) | |
44198b6e CY |
843 | |
844 | (defun package-read-from-string (str) | |
845 | "Read a Lisp expression from STR. | |
846 | Signal an error if the entire string was not used." | |
847 | (let* ((read-data (read-from-string str)) | |
187d3296 CY |
848 | (more-left |
849 | (condition-case nil | |
850 | ;; The call to `ignore' suppresses a compiler warning. | |
851 | (progn (ignore (read-from-string | |
852 | (substring str (cdr read-data)))) | |
853 | t) | |
854 | (end-of-file nil)))) | |
44198b6e CY |
855 | (if more-left |
856 | (error "Can't read whole string") | |
857 | (car read-data)))) | |
858 | ||
859 | (defun package--read-archive-file (file) | |
860 | "Re-read archive file FILE, if it exists. | |
861 | Will return the data from the file, or nil if the file does not exist. | |
862 | Will throw an error if the archive version is too new." | |
863 | (let ((filename (expand-file-name file package-user-dir))) | |
187d3296 CY |
864 | (when (file-exists-p filename) |
865 | (with-temp-buffer | |
866 | (insert-file-contents-literally filename) | |
867 | (let ((contents (read (current-buffer)))) | |
868 | (if (> (car contents) package-archive-version) | |
869 | (error "Package archive version %d is higher than %d" | |
870 | (car contents) package-archive-version)) | |
871 | (cdr contents)))))) | |
44198b6e | 872 | |
bc44bef7 | 873 | (defun package-read-all-archive-contents () |
96ae4c8f CY |
874 | "Re-read `archive-contents', if it exists. |
875 | If successful, set `package-archive-contents'." | |
fbe3be3f | 876 | (setq package-archive-contents nil) |
bc44bef7 | 877 | (dolist (archive package-archives) |
96ae4c8f | 878 | (package-read-archive-contents (car archive)))) |
44198b6e | 879 | |
bc44bef7 | 880 | (defun package-read-archive-contents (archive) |
187d3296 CY |
881 | "Re-read archive contents for ARCHIVE. |
882 | If successful, set the variable `package-archive-contents'. | |
bc44bef7 | 883 | If the archive version is too new, signal an error." |
187d3296 CY |
884 | ;; Version 1 of 'archive-contents' is identical to our internal |
885 | ;; representation. | |
66bd25ab SM |
886 | (let* ((contents-file (format "archives/%s/archive-contents" archive)) |
887 | (contents (package--read-archive-file contents-file))) | |
888 | (when contents | |
187d3296 CY |
889 | (dolist (package contents) |
890 | (package--add-to-archive-contents package archive))))) | |
bc44bef7 | 891 | |
f56be016 SM |
892 | ;; Package descriptor objects used inside the "archive-contents" file. |
893 | ;; Changing this defstruct implies changing the format of the | |
894 | ;; "archive-contents" files. | |
895 | (cl-defstruct (package--ac-desc | |
896 | (:constructor package-make-ac-desc (version reqs summary kind)) | |
897 | (:copier nil) | |
898 | (:type vector)) | |
899 | version reqs summary kind) | |
900 | ||
bc44bef7 PH |
901 | (defun package--add-to-archive-contents (package archive) |
902 | "Add the PACKAGE from the given ARCHIVE if necessary. | |
f56be016 SM |
903 | PACKAGE should have the form (NAME . PACKAGE--AC-DESC). |
904 | Also, add the originating archive to the `package-desc' structure." | |
905 | (let* ((name (car package)) | |
66bd25ab | 906 | (version (package--ac-desc-version (cdr package))) |
f56be016 SM |
907 | (pkg-desc |
908 | (package-desc-create | |
909 | :name name | |
66bd25ab | 910 | :version version |
f56be016 SM |
911 | :reqs (package--ac-desc-reqs (cdr package)) |
912 | :summary (package--ac-desc-summary (cdr package)) | |
913 | :kind (package--ac-desc-kind (cdr package)) | |
914 | :archive archive)) | |
12059709 | 915 | (existing-packages (assq name package-archive-contents)) |
397703b4 | 916 | (pinned-to-archive (assoc name package-pinned-packages))) |
66bd25ab | 917 | (cond |
12059709 | 918 | ;; Skip entirely if pinned to another archive or already installed. |
66bd25ab SM |
919 | ((or (and pinned-to-archive |
920 | (not (equal (cdr pinned-to-archive) archive))) | |
921 | (let ((bi (assq name package--builtin-versions))) | |
12059709 | 922 | (and bi (version-list-= version (cdr bi)))) |
66bd25ab | 923 | (let ((ins (cdr (assq name package-alist)))) |
12059709 SM |
924 | (and ins (version-list-= version |
925 | (package-desc-version (car ins)))))) | |
66bd25ab | 926 | nil) |
12059709 SM |
927 | ((not existing-packages) |
928 | (push (list name pkg-desc) package-archive-contents)) | |
929 | (t | |
930 | (while | |
931 | (if (and (cdr existing-packages) | |
932 | (version-list-< | |
933 | version (package-desc-version (cadr existing-packages)))) | |
934 | (setq existing-packages (cdr existing-packages)) | |
a49ff80c SM |
935 | (push pkg-desc (cdr existing-packages)) |
936 | nil)))))) | |
12059709 SM |
937 | |
938 | (defun package-download-transaction (packages) | |
939 | "Download and install all the packages in PACKAGES. | |
940 | PACKAGES should be a list of package-desc. | |
96ae4c8f | 941 | This function assumes that all package requirements in |
12059709 | 942 | PACKAGES are satisfied, i.e. that PACKAGES is computed |
96ae4c8f | 943 | using `package-compute-transaction'." |
12059709 | 944 | (mapc #'package-install-from-archive packages)) |
44198b6e CY |
945 | |
946 | ;;;###autoload | |
5b165ade SM |
947 | (defun package-install (pkg) |
948 | "Install the package PKG. | |
949 | PKG can be a package-desc or the package name of one the available packages | |
950 | in an archive in `package-archives'. Interactively, prompt for its name." | |
44198b6e | 951 | (interactive |
7254299e CY |
952 | (progn |
953 | ;; Initialize the package system to get the list of package | |
954 | ;; symbols for completion. | |
955 | (unless package--initialized | |
956 | (package-initialize t)) | |
70550acf PH |
957 | (unless package-archive-contents |
958 | (package-refresh-contents)) | |
5b165ade | 959 | (list (intern (completing-read |
12059709 SM |
960 | "Install package: " |
961 | (mapcar (lambda (elt) (symbol-name (car elt))) | |
962 | package-archive-contents) | |
5b165ade | 963 | nil t))))) |
1b8dff23 | 964 | (package-download-transaction |
12059709 SM |
965 | (if (package-desc-p pkg) |
966 | (package-compute-transaction (list pkg) | |
967 | (package-desc-reqs pkg)) | |
968 | (package-compute-transaction () | |
969 | (list (list pkg)))))) | |
44198b6e | 970 | |
ffbf300e CY |
971 | (defun package-strip-rcs-id (str) |
972 | "Strip RCS version ID from the version string STR. | |
44198b6e CY |
973 | If the result looks like a dotted numeric version, return it. |
974 | Otherwise return nil." | |
ffbf300e CY |
975 | (when str |
976 | (when (string-match "\\`[ \t]*[$]Revision:[ \t]+" str) | |
977 | (setq str (substring str (match-end 0)))) | |
978 | (condition-case nil | |
979 | (if (version-to-list str) | |
980 | str) | |
981 | (error nil)))) | |
44198b6e CY |
982 | |
983 | (defun package-buffer-info () | |
f56be016 | 984 | "Return a `package-desc' describing the package in the current buffer. |
187d3296 CY |
985 | |
986 | If the buffer does not contain a conforming package, signal an | |
987 | error. If there is a package, narrow the buffer to the file's | |
988 | boundaries." | |
44198b6e | 989 | (goto-char (point-min)) |
f677562b | 990 | (unless (re-search-forward "^;;; \\([^ ]*\\)\\.el ---[ \t]*\\(.*?\\)[ \t]*\\(-\\*-.*-\\*-[ \t]*\\)?$" nil t) |
d96ad422 | 991 | (error "Package lacks a file header")) |
187d3296 CY |
992 | (let ((file-name (match-string-no-properties 1)) |
993 | (desc (match-string-no-properties 2)) | |
994 | (start (line-beginning-position))) | |
995 | (unless (search-forward (concat ";;; " file-name ".el ends here")) | |
996 | (error "Package lacks a terminating comment")) | |
997 | ;; Try to include a trailing newline. | |
998 | (forward-line) | |
999 | (narrow-to-region start (point)) | |
1000 | (require 'lisp-mnt) | |
1001 | ;; Use some headers we've invented to drive the process. | |
1002 | (let* ((requires-str (lm-header "package-requires")) | |
187d3296 CY |
1003 | ;; Prefer Package-Version; if defined, the package author |
1004 | ;; probably wants us to use it. Otherwise try Version. | |
1005 | (pkg-version | |
1006 | (or (package-strip-rcs-id (lm-header "package-version")) | |
f56be016 | 1007 | (package-strip-rcs-id (lm-header "version"))))) |
187d3296 CY |
1008 | (unless pkg-version |
1009 | (error | |
1010 | "Package lacks a \"Version\" or \"Package-Version\" header")) | |
f56be016 SM |
1011 | (package-desc-from-define |
1012 | file-name pkg-version desc | |
1013 | (if requires-str (package-read-from-string requires-str)) | |
1014 | :kind 'single)))) | |
44198b6e | 1015 | |
9e277302 JB |
1016 | (declare-function tar-get-file-descriptor "tar-mode" (file)) |
1017 | (declare-function tar--extract "tar-mode" (descriptor)) | |
1018 | ||
fd846ab4 | 1019 | (defun package-tar-file-info () |
44198b6e | 1020 | "Find package information for a tar file. |
fd846ab4 SM |
1021 | The return result is a `package-desc'." |
1022 | (cl-assert (derived-mode-p 'tar-mode)) | |
1023 | (let* ((dir-name (file-name-directory | |
1024 | (tar-header-name (car tar-parse-info)))) | |
1b8dff23 | 1025 | (desc-file (package--description-file dir-name)) |
fd846ab4 SM |
1026 | (tar-desc (tar-get-file-descriptor (concat dir-name desc-file)))) |
1027 | (unless tar-desc | |
1028 | (error "No package descriptor file found")) | |
1029 | (with-current-buffer (tar--extract tar-desc) | |
1030 | (goto-char (point-min)) | |
1031 | (unwind-protect | |
1032 | (let* ((pkg-def-parsed (read (current-buffer))) | |
1033 | (pkg-desc | |
1034 | (if (not (eq (car pkg-def-parsed) 'define-package)) | |
1035 | (error "Can't find define-package in %s" | |
1036 | (tar-header-name tar-desc)) | |
1037 | (apply #'package-desc-from-define | |
1038 | (append (cdr pkg-def-parsed)))))) | |
1039 | (setf (package-desc-kind pkg-desc) 'tar) | |
1040 | pkg-desc) | |
1041 | (kill-buffer (current-buffer)))))) | |
f56be016 | 1042 | |
44198b6e | 1043 | |
187d3296 | 1044 | ;;;###autoload |
fd846ab4 | 1045 | (defun package-install-from-buffer () |
187d3296 | 1046 | "Install a package from the current buffer. |
fd846ab4 SM |
1047 | The current buffer is assumed to be a single .el or .tar file that follows the |
1048 | packaging guidelines; see info node `(elisp)Packaging'. | |
1049 | Downloads and installs required packages as needed." | |
1050 | (interactive) | |
1051 | (let ((pkg-desc (if (derived-mode-p 'tar-mode) | |
1052 | (package-tar-file-info) | |
1053 | (package-buffer-info)))) | |
1054 | ;; Download and install the dependencies. | |
1055 | (let* ((requires (package-desc-reqs pkg-desc)) | |
1056 | (transaction (package-compute-transaction nil requires))) | |
1057 | (package-download-transaction transaction)) | |
1058 | ;; Install the package itself. | |
1059 | (package-unpack pkg-desc) | |
1060 | pkg-desc)) | |
44198b6e | 1061 | |
44198b6e CY |
1062 | ;;;###autoload |
1063 | (defun package-install-file (file) | |
1064 | "Install a package from a file. | |
1065 | The file can either be a tar file or an Emacs Lisp file." | |
1066 | (interactive "fPackage file name: ") | |
1067 | (with-temp-buffer | |
1068 | (insert-file-contents-literally file) | |
fd846ab4 SM |
1069 | (when (string-match "\\.tar\\'" file) (tar-mode)) |
1070 | (package-install-from-buffer))) | |
44198b6e | 1071 | |
1b8dff23 SM |
1072 | (defun package-delete (pkg-desc) |
1073 | (let ((dir (package-desc-dir pkg-desc))) | |
12059709 SM |
1074 | (if (not (string-prefix-p (file-name-as-directory |
1075 | (expand-file-name package-user-dir)) | |
1076 | (expand-file-name dir))) | |
1077 | ;; Don't delete "system" packages. | |
1078 | (error "Package `%s' is a system package, not deleting" | |
1079 | (package-desc-full-name pkg-desc)) | |
1080 | (delete-directory dir t t) | |
1081 | ;; Update package-alist. | |
1082 | (let* ((name (package-desc-name pkg-desc))) | |
1083 | (delete pkg-desc (assq name package-alist))) | |
1084 | (message "Package `%s' deleted." (package-desc-full-name pkg-desc))))) | |
44198b6e | 1085 | |
fd846ab4 | 1086 | (defun package-archive-base (desc) |
bc44bef7 | 1087 | "Return the archive containing the package NAME." |
fd846ab4 | 1088 | (cdr (assoc (package-desc-archive desc) package-archives))) |
bc44bef7 PH |
1089 | |
1090 | (defun package--download-one-archive (archive file) | |
f561e49a CY |
1091 | "Retrieve an archive file FILE from ARCHIVE, and cache it. |
1092 | ARCHIVE should be a cons cell of the form (NAME . LOCATION), | |
1093 | similar to an entry in `package-alist'. Save the cached copy to | |
1094 | \"archives/NAME/archive-contents\" in `package-user-dir'." | |
66bd25ab SM |
1095 | (let* ((dir (expand-file-name (format "archives/%s" (car archive)) |
1096 | package-user-dir))) | |
f561e49a | 1097 | (package--with-work-buffer (cdr archive) file |
ebf662f4 CY |
1098 | ;; Read the retrieved buffer to make sure it is valid (e.g. it |
1099 | ;; may fetch a URL redirect page). | |
1100 | (when (listp (read buffer)) | |
1101 | (make-directory dir t) | |
1102 | (setq buffer-file-name (expand-file-name file dir)) | |
1103 | (let ((version-control 'never)) | |
f561e49a | 1104 | (save-buffer)))))) |
44198b6e | 1105 | |
38bb2ca8 | 1106 | ;;;###autoload |
44198b6e CY |
1107 | (defun package-refresh-contents () |
1108 | "Download the ELPA archive description if needed. | |
ebf662f4 CY |
1109 | This informs Emacs about the latest versions of all packages, and |
1110 | makes them available for download." | |
44198b6e | 1111 | (interactive) |
5b165ade | 1112 | ;; FIXME: Do it asynchronously. |
44198b6e CY |
1113 | (unless (file-exists-p package-user-dir) |
1114 | (make-directory package-user-dir t)) | |
bc44bef7 | 1115 | (dolist (archive package-archives) |
1be3ca5a | 1116 | (condition-case-unless-debug nil |
cb6c4991 | 1117 | (package--download-one-archive archive "archive-contents") |
187d3296 | 1118 | (error (message "Failed to download `%s' archive." |
cb6c4991 | 1119 | (car archive))))) |
bc44bef7 | 1120 | (package-read-all-archive-contents)) |
44198b6e CY |
1121 | |
1122 | ;;;###autoload | |
4b99edf2 | 1123 | (defun package-initialize (&optional no-activate) |
44198b6e | 1124 | "Load Emacs Lisp packages, and activate them. |
4b99edf2 CY |
1125 | The variable `package-load-list' controls which packages to load. |
1126 | If optional arg NO-ACTIVATE is non-nil, don't activate packages." | |
44198b6e | 1127 | (interactive) |
a7d2d465 | 1128 | (setq package-alist nil) |
44198b6e | 1129 | (package-load-all-descriptors) |
bc44bef7 | 1130 | (package-read-all-archive-contents) |
4b99edf2 CY |
1131 | (unless no-activate |
1132 | (dolist (elt package-alist) | |
a7d2d465 | 1133 | (package-activate (car elt)))) |
4b99edf2 | 1134 | (setq package--initialized t)) |
44198b6e CY |
1135 | |
1136 | \f | |
cced7584 | 1137 | ;;;; Package description buffer. |
44198b6e | 1138 | |
cced7584 CY |
1139 | ;;;###autoload |
1140 | (defun describe-package (package) | |
1141 | "Display the full documentation of PACKAGE (a symbol)." | |
1142 | (interactive | |
12059709 | 1143 | (let* ((guess (function-called-at-point))) |
4b99edf2 CY |
1144 | (require 'finder-inf nil t) |
1145 | ;; Load the package list if necessary (but don't activate them). | |
1146 | (unless package--initialized | |
1147 | (package-initialize t)) | |
12059709 SM |
1148 | (let ((packages (append (mapcar 'car package-alist) |
1149 | (mapcar 'car package-archive-contents) | |
1150 | (mapcar 'car package--builtins)))) | |
1151 | (unless (memq guess packages) | |
1152 | (setq guess nil)) | |
1153 | (setq packages (mapcar 'symbol-name packages)) | |
1154 | (let ((val | |
1155 | (completing-read (if guess | |
1156 | (format "Describe package (default %s): " | |
1157 | guess) | |
1158 | "Describe package: ") | |
1159 | packages nil t nil nil guess))) | |
1160 | (list (intern val)))))) | |
1161 | (if (not (or (package-desc-p package) (and package (symbolp package)))) | |
4b99edf2 | 1162 | (message "No package specified") |
cced7584 CY |
1163 | (help-setup-xref (list #'describe-package package) |
1164 | (called-interactively-p 'interactive)) | |
1165 | (with-help-window (help-buffer) | |
1166 | (with-current-buffer standard-output | |
1167 | (describe-package-1 package))))) | |
1168 | ||
12059709 | 1169 | (defun describe-package-1 (pkg) |
96ae4c8f | 1170 | (require 'lisp-mnt) |
12059709 SM |
1171 | (let* ((desc (or |
1172 | (if (package-desc-p pkg) pkg) | |
1173 | (cadr (assq pkg package-alist)) | |
1174 | (let ((built-in (assq pkg package--builtins))) | |
1175 | (if built-in | |
1176 | (package--from-builtin built-in) | |
1177 | (cadr (assq pkg package-archive-contents)))))) | |
1178 | (name (if desc (package-desc-name desc) pkg)) | |
1179 | (pkg-dir (if desc (package-desc-dir desc))) | |
1180 | (reqs (if desc (package-desc-reqs desc))) | |
1181 | (version (if desc (package-desc-version desc))) | |
1182 | (archive (if desc (package-desc-archive desc))) | |
1183 | (built-in (eq pkg-dir 'builtin)) | |
1184 | (installable (and archive (not built-in))) | |
1185 | (status (if desc (package-desc-status desc) "orphan"))) | |
1186 | (prin1 name) | |
cced7584 | 1187 | (princ " is ") |
12059709 SM |
1188 | (princ (if (memq (aref status 0) '(?a ?e ?i ?o ?u)) "an " "a ")) |
1189 | (princ status) | |
1190 | (princ " package.\n\n") | |
cb6c4991 | 1191 | |
96ae4c8f | 1192 | (insert " " (propertize "Status" 'font-lock-face 'bold) ": ") |
12059709 SM |
1193 | (cond (built-in |
1194 | (insert (propertize (capitalize status) | |
1195 | 'font-lock-face 'font-lock-builtin-face) | |
1196 | ".")) | |
1197 | (pkg-dir | |
1198 | (insert (propertize (capitalize status) ;FIXME: Why comment-face? | |
96ae4c8f | 1199 | 'font-lock-face 'font-lock-comment-face)) |
cb6c4991 CY |
1200 | (insert " in `") |
1201 | ;; Todo: Add button for uninstalling. | |
12059709 SM |
1202 | (help-insert-xref-button (abbreviate-file-name |
1203 | (file-name-as-directory pkg-dir)) | |
cb6c4991 | 1204 | 'help-package-def pkg-dir) |
12059709 SM |
1205 | (if (and (package-built-in-p name) |
1206 | (not (package-built-in-p name version))) | |
4b99edf2 CY |
1207 | (insert "',\n shadowing a " |
1208 | (propertize "built-in package" | |
1209 | 'font-lock-face 'font-lock-builtin-face) | |
1210 | ".") | |
1211 | (insert "'."))) | |
cb6c4991 | 1212 | (installable |
12059709 SM |
1213 | (insert (capitalize status)) |
1214 | (insert " from " (format "%s" archive)) | |
55b056ba | 1215 | (insert " -- ") |
4b99edf2 | 1216 | (let ((button-text (if (display-graphic-p) "Install" "[Install]")) |
cb6c4991 CY |
1217 | (button-face (if (display-graphic-p) |
1218 | '(:box (:line-width 2 :color "dark grey") | |
1219 | :background "light grey" | |
1220 | :foreground "black") | |
1221 | 'link))) | |
4b99edf2 | 1222 | (insert-text-button button-text 'face button-face 'follow-link t |
1b8dff23 | 1223 | 'package-desc desc |
cb6c4991 | 1224 | 'action 'package-install-button-action))) |
12059709 | 1225 | (t (insert (capitalize status) "."))) |
cb6c4991 | 1226 | (insert "\n") |
12059709 | 1227 | (and version |
96ae4c8f | 1228 | (insert " " |
12059709 SM |
1229 | (propertize "Version" 'font-lock-face 'bold) ": " |
1230 | (package-version-join version) "\n")) | |
4b99edf2 CY |
1231 | |
1232 | (setq reqs (if desc (package-desc-reqs desc))) | |
8adb4c33 | 1233 | (when reqs |
96ae4c8f | 1234 | (insert " " (propertize "Requires" 'font-lock-face 'bold) ": ") |
8adb4c33 CY |
1235 | (let ((first t) |
1236 | name vers text) | |
1237 | (dolist (req reqs) | |
1238 | (setq name (car req) | |
1239 | vers (cadr req) | |
1240 | text (format "%s-%s" (symbol-name name) | |
1241 | (package-version-join vers))) | |
1242 | (cond (first (setq first nil)) | |
1243 | ((>= (+ 2 (current-column) (length text)) | |
1244 | (window-width)) | |
1245 | (insert ",\n ")) | |
1246 | (t (insert ", "))) | |
1247 | (help-insert-xref-button text 'help-package name)) | |
1248 | (insert "\n"))) | |
96ae4c8f | 1249 | (insert " " (propertize "Summary" 'font-lock-face 'bold) |
12059709 SM |
1250 | ": " (if desc (package-desc-summary desc)) "\n") |
1251 | ||
1252 | (let* ((all-pkgs (append (cdr (assq name package-alist)) | |
1253 | (cdr (assq name package-archive-contents)) | |
1254 | (let ((bi (assq name package--builtins))) | |
1255 | (if bi (list (package--from-builtin bi)))))) | |
1256 | (other-pkgs (delete desc all-pkgs))) | |
1257 | (when other-pkgs | |
1258 | (insert " " (propertize "Other versions" 'font-lock-face 'bold) ": " | |
1259 | (mapconcat | |
1260 | (lambda (opkg) | |
1261 | (let* ((ov (package-desc-version opkg)) | |
1262 | (dir (package-desc-dir opkg)) | |
1263 | (from (or (package-desc-archive opkg) | |
1264 | (if (stringp dir) "installed" dir)))) | |
1265 | (if (not ov) (format "%s" from) | |
1266 | (format "%s (%s)" | |
1267 | (make-text-button (package-version-join ov) nil | |
1268 | 'face 'link | |
1269 | 'follow-link t | |
1270 | 'action | |
1271 | (lambda (_button) | |
1272 | (describe-package opkg))) | |
1273 | from)))) | |
1274 | other-pkgs ", ") | |
1275 | ".\n"))) | |
1276 | ||
1277 | (insert "\n") | |
cb6c4991 | 1278 | |
4b99edf2 | 1279 | (if built-in |
96ae4c8f | 1280 | ;; For built-in packages, insert the commentary. |
12059709 | 1281 | (let ((fn (locate-file (format "%s.el" name) load-path |
96ae4c8f CY |
1282 | load-file-rep-suffixes)) |
1283 | (opoint (point))) | |
1284 | (insert (or (lm-commentary fn) "")) | |
1285 | (save-excursion | |
1286 | (goto-char opoint) | |
1287 | (when (re-search-forward "^;;; Commentary:\n" nil t) | |
1288 | (replace-match "")) | |
1289 | (while (re-search-forward "^\\(;+ ?\\)" nil t) | |
1290 | (replace-match "")))) | |
12059709 | 1291 | (let ((readme (expand-file-name (format "%s-readme.txt" name) |
f561e49a CY |
1292 | package-user-dir)) |
1293 | readme-string) | |
96ae4c8f CY |
1294 | ;; For elpa packages, try downloading the commentary. If that |
1295 | ;; fails, try an existing readme file in `package-user-dir'. | |
f561e49a | 1296 | (cond ((condition-case nil |
12059709 SM |
1297 | (package--with-work-buffer |
1298 | (package-archive-base desc) | |
1299 | (format "%s-readme.txt" name) | |
f561e49a CY |
1300 | (setq buffer-file-name |
1301 | (expand-file-name readme package-user-dir)) | |
1302 | (let ((version-control 'never)) | |
1303 | (save-buffer)) | |
1304 | (setq readme-string (buffer-string)) | |
1305 | t) | |
1306 | (error nil)) | |
1307 | (insert readme-string)) | |
96ae4c8f CY |
1308 | ((file-readable-p readme) |
1309 | (insert-file-contents readme) | |
1310 | (goto-char (point-max)))))))) | |
cb6c4991 CY |
1311 | |
1312 | (defun package-install-button-action (button) | |
1b8dff23 SM |
1313 | (let ((pkg-desc (button-get button 'package-desc))) |
1314 | (when (y-or-n-p (format "Install package `%s'? " | |
1315 | (package-desc-full-name pkg-desc))) | |
1316 | (package-install pkg-desc) | |
cb6c4991 CY |
1317 | (revert-buffer nil t) |
1318 | (goto-char (point-min))))) | |
cced7584 CY |
1319 | |
1320 | \f | |
44198b6e CY |
1321 | ;;;; Package menu mode. |
1322 | ||
54ea2a0d | 1323 | (defvar package-menu-mode-map |
e91a96fe | 1324 | (let ((map (make-sparse-keymap)) |
64eba874 | 1325 | (menu-map (make-sparse-keymap "Package"))) |
e91a96fe | 1326 | (set-keymap-parent map tabulated-list-mode-map) |
8adb4c33 | 1327 | (define-key map "\C-m" 'package-menu-describe-package) |
54ea2a0d JB |
1328 | (define-key map "u" 'package-menu-mark-unmark) |
1329 | (define-key map "\177" 'package-menu-backup-unmark) | |
1330 | (define-key map "d" 'package-menu-mark-delete) | |
1331 | (define-key map "i" 'package-menu-mark-install) | |
25322144 | 1332 | (define-key map "U" 'package-menu-mark-upgrades) |
54ea2a0d JB |
1333 | (define-key map "r" 'package-menu-refresh) |
1334 | (define-key map "~" 'package-menu-mark-obsolete-for-deletion) | |
1335 | (define-key map "x" 'package-menu-execute) | |
1336 | (define-key map "h" 'package-menu-quick-help) | |
cb6c4991 | 1337 | (define-key map "?" 'package-menu-describe-package) |
64eba874 DN |
1338 | (define-key map [menu-bar package-menu] (cons "Package" menu-map)) |
1339 | (define-key menu-map [mq] | |
1340 | '(menu-item "Quit" quit-window | |
1341 | :help "Quit package selection")) | |
1342 | (define-key menu-map [s1] '("--")) | |
1343 | (define-key menu-map [mn] | |
1344 | '(menu-item "Next" next-line | |
1345 | :help "Next Line")) | |
1346 | (define-key menu-map [mp] | |
1347 | '(menu-item "Previous" previous-line | |
1348 | :help "Previous Line")) | |
1349 | (define-key menu-map [s2] '("--")) | |
1350 | (define-key menu-map [mu] | |
1351 | '(menu-item "Unmark" package-menu-mark-unmark | |
1352 | :help "Clear any marks on a package and move to the next line")) | |
1353 | (define-key menu-map [munm] | |
7cc6e154 | 1354 | '(menu-item "Unmark Backwards" package-menu-backup-unmark |
64eba874 DN |
1355 | :help "Back up one line and clear any marks on that package")) |
1356 | (define-key menu-map [md] | |
7cc6e154 | 1357 | '(menu-item "Mark for Deletion" package-menu-mark-delete |
64eba874 DN |
1358 | :help "Mark a package for deletion and move to the next line")) |
1359 | (define-key menu-map [mi] | |
7cc6e154 | 1360 | '(menu-item "Mark for Install" package-menu-mark-install |
64eba874 | 1361 | :help "Mark a package for installation and move to the next line")) |
d770725a | 1362 | (define-key menu-map [mupgrades] |
7cc6e154 | 1363 | '(menu-item "Mark Upgradable Packages" package-menu-mark-upgrades |
d770725a | 1364 | :help "Mark packages that have a newer version for upgrading")) |
64eba874 DN |
1365 | (define-key menu-map [s3] '("--")) |
1366 | (define-key menu-map [mg] | |
7cc6e154 | 1367 | '(menu-item "Update Package List" revert-buffer |
64eba874 DN |
1368 | :help "Update the list of packages")) |
1369 | (define-key menu-map [mr] | |
7cc6e154 | 1370 | '(menu-item "Refresh Package List" package-menu-refresh |
64eba874 DN |
1371 | :help "Download the ELPA archive")) |
1372 | (define-key menu-map [s4] '("--")) | |
1373 | (define-key menu-map [mt] | |
7cc6e154 | 1374 | '(menu-item "Mark Obsolete Packages" package-menu-mark-obsolete-for-deletion |
64eba874 DN |
1375 | :help "Mark all obsolete packages for deletion")) |
1376 | (define-key menu-map [mx] | |
7cc6e154 | 1377 | '(menu-item "Execute Actions" package-menu-execute |
64eba874 DN |
1378 | :help "Perform all the marked actions")) |
1379 | (define-key menu-map [s5] '("--")) | |
1380 | (define-key menu-map [mh] | |
1381 | '(menu-item "Help" package-menu-quick-help | |
1382 | :help "Show short key binding help for package-menu-mode")) | |
1383 | (define-key menu-map [mc] | |
1384 | '(menu-item "View Commentary" package-menu-view-commentary | |
1385 | :help "Display information about this package")) | |
54ea2a0d | 1386 | map) |
44198b6e CY |
1387 | "Local keymap for `package-menu-mode' buffers.") |
1388 | ||
60057926 CY |
1389 | (defvar package-menu--new-package-list nil |
1390 | "List of newly-available packages since `list-packages' was last called.") | |
1391 | ||
e91a96fe | 1392 | (define-derived-mode package-menu-mode tabulated-list-mode "Package Menu" |
44198b6e CY |
1393 | "Major mode for browsing a list of packages. |
1394 | Letters do not insert themselves; instead, they are commands. | |
1395 | \\<package-menu-mode-map> | |
1396 | \\{package-menu-mode-map}" | |
e91a96fe CY |
1397 | (setq tabulated-list-format [("Package" 18 package-menu--name-predicate) |
1398 | ("Version" 12 nil) | |
1399 | ("Status" 10 package-menu--status-predicate) | |
1400 | ("Description" 0 nil)]) | |
1401 | (setq tabulated-list-padding 2) | |
1402 | (setq tabulated-list-sort-key (cons "Status" nil)) | |
6874724a | 1403 | (add-hook 'tabulated-list-revert-hook 'package-menu--refresh nil t) |
e91a96fe CY |
1404 | (tabulated-list-init-header)) |
1405 | ||
1b8dff23 | 1406 | (defmacro package--push (pkg-desc status listname) |
e91a96fe CY |
1407 | "Convenience macro for `package-menu--generate'. |
1408 | If the alist stored in the symbol LISTNAME lacks an entry for a | |
1b8dff23 SM |
1409 | package PKG-DESC, add one. The alist is keyed with PKG-DESC." |
1410 | `(unless (assoc ,pkg-desc ,listname) | |
1411 | ;; FIXME: Should we move status into pkg-desc? | |
1412 | (push (cons ,pkg-desc ,status) ,listname))) | |
e91a96fe | 1413 | |
66bd25ab SM |
1414 | (defvar package-list-unversioned nil |
1415 | "If non-nil include packages that don't have a version in `list-package'.") | |
1416 | ||
12059709 SM |
1417 | (defun package-desc-status (pkg-desc) |
1418 | (let* ((name (package-desc-name pkg-desc)) | |
1419 | (dir (package-desc-dir pkg-desc)) | |
1420 | (lle (assq name package-load-list)) | |
1421 | (held (cadr lle)) | |
1422 | (version (package-desc-version pkg-desc))) | |
1423 | (cond | |
1424 | ((eq dir 'builtin) "built-in") | |
1425 | ((and lle (null held)) "disabled") | |
1426 | ((stringp held) | |
1427 | (let ((hv (if (stringp held) (version-to-list held)))) | |
1428 | (cond | |
1429 | ((version-list-= version hv) "held") | |
1430 | ((version-list-< version hv) "obsolete") | |
1431 | (t "disabled")))) | |
1432 | ((package-built-in-p name version) "obsolete") | |
1433 | (dir ;One of the installed packages. | |
1434 | (cond | |
1435 | ((not (file-exists-p (package-desc-dir pkg-desc))) "deleted") | |
1436 | ((eq pkg-desc (cadr (assq name package-alist))) "installed") | |
1437 | (t "obsolete"))) | |
1438 | (t | |
1439 | (let* ((ins (cadr (assq name package-alist))) | |
1440 | (ins-v (if ins (package-desc-version ins)))) | |
1441 | (cond | |
1442 | ((or (null ins) (version-list-< ins-v version)) | |
1443 | (if (memq name package-menu--new-package-list) | |
1444 | "new" "available")) | |
1445 | ((version-list-< version ins-v) "obsolete") | |
1446 | ((version-list-= version ins-v) "installed"))))))) | |
1447 | ||
1448 | (defun package-menu--refresh (&optional packages) | |
1449 | "Re-populate the `tabulated-list-entries'. | |
1450 | PACKAGES should be nil or t, which means to display all known packages." | |
1b8dff23 | 1451 | ;; Construct list of (PKG-DESC . STATUS). |
12059709 | 1452 | (unless packages (setq packages t)) |
4d6769e1 | 1453 | (let (info-list name) |
e91a96fe CY |
1454 | ;; Installed packages: |
1455 | (dolist (elt package-alist) | |
1456 | (setq name (car elt)) | |
512e3ae1 | 1457 | (when (or (eq packages t) (memq name packages)) |
12059709 SM |
1458 | (dolist (pkg (cdr elt)) |
1459 | (package--push pkg (package-desc-status pkg) info-list)))) | |
e91a96fe CY |
1460 | |
1461 | ;; Built-in packages: | |
1462 | (dolist (elt package--builtins) | |
1463 | (setq name (car elt)) | |
512e3ae1 | 1464 | (when (and (not (eq name 'emacs)) ; Hide the `emacs' package. |
66bd25ab SM |
1465 | (or package-list-unversioned |
1466 | (package--bi-desc-version (cdr elt))) | |
512e3ae1 | 1467 | (or (eq packages t) (memq name packages))) |
1b8dff23 | 1468 | (package--push (package--from-builtin elt) "built-in" info-list))) |
e91a96fe CY |
1469 | |
1470 | ;; Available and disabled packages: | |
1471 | (dolist (elt package-archive-contents) | |
1472 | (setq name (car elt)) | |
512e3ae1 | 1473 | (when (or (eq packages t) (memq name packages)) |
12059709 SM |
1474 | (dolist (pkg (cdr elt)) |
1475 | ;; Hide obsolete packages. | |
1476 | (unless (package-installed-p (package-desc-name pkg) | |
1477 | (package-desc-version pkg)) | |
1478 | (package--push pkg (package-desc-status pkg) info-list))))) | |
e91a96fe | 1479 | |
e91a96fe | 1480 | ;; Print the result. |
12059709 SM |
1481 | (setq tabulated-list-entries |
1482 | (mapcar #'package-menu--print-info info-list)))) | |
1483 | ||
1484 | (defun package-menu--generate (remember-pos packages) | |
1485 | "Populate the Package Menu. | |
1486 | If REMEMBER-POS is non-nil, keep point on the same entry. | |
1487 | PACKAGES should be t, which means to display all known packages, | |
1488 | or a list of package names (symbols) to display." | |
1489 | (package-menu--refresh packages) | |
1490 | (tabulated-list-print remember-pos)) | |
e91a96fe CY |
1491 | |
1492 | (defun package-menu--print-info (pkg) | |
1493 | "Return a package entry suitable for `tabulated-list-entries'. | |
1b8dff23 SM |
1494 | PKG has the form (PKG-DESC . STATUS). |
1495 | Return (PKG-DESC [NAME VERSION STATUS DOC])." | |
1496 | (let* ((pkg-desc (car pkg)) | |
1497 | (status (cdr pkg)) | |
1498 | (face (pcase status | |
1499 | (`"built-in" 'font-lock-builtin-face) | |
1500 | (`"available" 'default) | |
1501 | (`"new" 'bold) | |
1502 | (`"held" 'font-lock-constant-face) | |
1503 | (`"disabled" 'font-lock-warning-face) | |
1504 | (`"installed" 'font-lock-comment-face) | |
1505 | (_ 'font-lock-warning-face)))) ; obsolete. | |
1506 | (list pkg-desc | |
1507 | (vector (list (symbol-name (package-desc-name pkg-desc)) | |
e91a96fe CY |
1508 | 'face 'link |
1509 | 'follow-link t | |
1b8dff23 | 1510 | 'package-desc pkg-desc |
e91a96fe | 1511 | 'action 'package-menu-describe-package) |
1b8dff23 SM |
1512 | (propertize (package-version-join |
1513 | (package-desc-version pkg-desc)) | |
e91a96fe CY |
1514 | 'font-lock-face face) |
1515 | (propertize status 'font-lock-face face) | |
1b8dff23 SM |
1516 | (propertize (package-desc-summary pkg-desc) |
1517 | 'font-lock-face face))))) | |
44198b6e CY |
1518 | |
1519 | (defun package-menu-refresh () | |
ebf662f4 CY |
1520 | "Download the Emacs Lisp package archive. |
1521 | This fetches the contents of each archive specified in | |
1522 | `package-archives', and then refreshes the package menu." | |
44198b6e | 1523 | (interactive) |
25322144 | 1524 | (unless (derived-mode-p 'package-menu-mode) |
187d3296 | 1525 | (error "The current buffer is not a Package Menu")) |
44198b6e | 1526 | (package-refresh-contents) |
512e3ae1 | 1527 | (package-menu--generate t t)) |
44198b6e | 1528 | |
e91a96fe CY |
1529 | (defun package-menu-describe-package (&optional button) |
1530 | "Describe the current package. | |
1531 | If optional arg BUTTON is non-nil, describe its associated package." | |
44198b6e | 1532 | (interactive) |
1b8dff23 | 1533 | (let ((pkg-desc (if button (button-get button 'package-desc) |
66bd25ab | 1534 | (tabulated-list-get-id)))) |
1b8dff23 | 1535 | (if pkg-desc |
12059709 SM |
1536 | (describe-package pkg-desc) |
1537 | (error "No package here")))) | |
44198b6e CY |
1538 | |
1539 | ;; fixme numeric argument | |
4d6769e1 | 1540 | (defun package-menu-mark-delete (&optional _num) |
44198b6e CY |
1541 | "Mark a package for deletion and move to the next line." |
1542 | (interactive "p") | |
fb87e0fb | 1543 | (if (member (package-menu-get-status) '("installed" "obsolete")) |
e91a96fe | 1544 | (tabulated-list-put-tag "D" t) |
015eea59 | 1545 | (forward-line))) |
44198b6e | 1546 | |
4d6769e1 | 1547 | (defun package-menu-mark-install (&optional _num) |
44198b6e CY |
1548 | "Mark a package for installation and move to the next line." |
1549 | (interactive "p") | |
60057926 | 1550 | (if (member (package-menu-get-status) '("available" "new")) |
e91a96fe | 1551 | (tabulated-list-put-tag "I" t) |
015eea59 | 1552 | (forward-line))) |
44198b6e | 1553 | |
4d6769e1 | 1554 | (defun package-menu-mark-unmark (&optional _num) |
44198b6e CY |
1555 | "Clear any marks on a package and move to the next line." |
1556 | (interactive "p") | |
e91a96fe | 1557 | (tabulated-list-put-tag " " t)) |
44198b6e CY |
1558 | |
1559 | (defun package-menu-backup-unmark () | |
1560 | "Back up one line and clear any marks on that package." | |
1561 | (interactive) | |
1562 | (forward-line -1) | |
e91a96fe | 1563 | (tabulated-list-put-tag " ")) |
44198b6e CY |
1564 | |
1565 | (defun package-menu-mark-obsolete-for-deletion () | |
1566 | "Mark all obsolete packages for deletion." | |
1567 | (interactive) | |
1568 | (save-excursion | |
1569 | (goto-char (point-min)) | |
44198b6e | 1570 | (while (not (eobp)) |
25322144 | 1571 | (if (equal (package-menu-get-status) "obsolete") |
e91a96fe | 1572 | (tabulated-list-put-tag "D" t) |
44198b6e CY |
1573 | (forward-line 1))))) |
1574 | ||
1575 | (defun package-menu-quick-help () | |
1576 | "Show short key binding help for package-menu-mode." | |
1577 | (interactive) | |
1578 | (message "n-ext, i-nstall, d-elete, u-nmark, x-ecute, r-efresh, h-elp")) | |
1579 | ||
cb6c4991 CY |
1580 | (define-obsolete-function-alias |
1581 | 'package-menu-view-commentary 'package-menu-describe-package "24.1") | |
44198b6e | 1582 | |
44198b6e | 1583 | (defun package-menu-get-status () |
1b8dff23 SM |
1584 | (let* ((id (tabulated-list-get-id)) |
1585 | (entry (and id (assq id tabulated-list-entries)))) | |
25322144 CY |
1586 | (if entry |
1587 | (aref (cadr entry) 2) | |
44198b6e CY |
1588 | ""))) |
1589 | ||
25322144 CY |
1590 | (defun package-menu--find-upgrades () |
1591 | (let (installed available upgrades) | |
1592 | ;; Build list of installed/available packages in this buffer. | |
1593 | (dolist (entry tabulated-list-entries) | |
1b8dff23 SM |
1594 | ;; ENTRY is (PKG-DESC [NAME VERSION STATUS DOC]) |
1595 | (let ((pkg-desc (car entry)) | |
4d6769e1 | 1596 | (status (aref (cadr entry) 2))) |
25322144 | 1597 | (cond ((equal status "installed") |
1b8dff23 | 1598 | (push pkg-desc installed)) |
60057926 | 1599 | ((member status '("available" "new")) |
1b8dff23 SM |
1600 | (push (cons (package-desc-name pkg-desc) pkg-desc) |
1601 | available))))) | |
1602 | ;; Loop through list of installed packages, finding upgrades. | |
1603 | (dolist (pkg-desc installed) | |
1604 | (let ((avail-pkg (assq (package-desc-name pkg-desc) available))) | |
25322144 | 1605 | (and avail-pkg |
1b8dff23 SM |
1606 | (version-list-< (package-desc-version pkg-desc) |
1607 | (package-desc-version (cdr avail-pkg))) | |
25322144 CY |
1608 | (push avail-pkg upgrades)))) |
1609 | upgrades)) | |
1610 | ||
1611 | (defun package-menu-mark-upgrades () | |
1612 | "Mark all upgradable packages in the Package Menu. | |
1613 | For each installed package with a newer version available, place | |
1614 | an (I)nstall flag on the available version and a (D)elete flag on | |
1615 | the installed version. A subsequent \\[package-menu-execute] | |
1616 | call will upgrade the package." | |
1617 | (interactive) | |
1618 | (unless (derived-mode-p 'package-menu-mode) | |
1619 | (error "The current buffer is not a Package Menu")) | |
1620 | (let ((upgrades (package-menu--find-upgrades))) | |
1621 | (if (null upgrades) | |
1622 | (message "No packages to upgrade.") | |
1623 | (widen) | |
1624 | (save-excursion | |
1625 | (goto-char (point-min)) | |
1626 | (while (not (eobp)) | |
1b8dff23 SM |
1627 | (let* ((pkg-desc (tabulated-list-get-id)) |
1628 | (upgrade (cdr (assq (package-desc-name pkg-desc) upgrades)))) | |
25322144 CY |
1629 | (cond ((null upgrade) |
1630 | (forward-line 1)) | |
1b8dff23 | 1631 | ((equal pkg-desc upgrade) |
25322144 CY |
1632 | (package-menu-mark-install)) |
1633 | (t | |
1634 | (package-menu-mark-delete)))))) | |
1635 | (message "%d package%s marked for upgrading." | |
1636 | (length upgrades) | |
1637 | (if (= (length upgrades) 1) "" "s"))))) | |
1638 | ||
a7da0114 | 1639 | (defun package-menu-execute (&optional noquery) |
015eea59 CY |
1640 | "Perform marked Package Menu actions. |
1641 | Packages marked for installation are downloaded and installed; | |
eeb468da GM |
1642 | packages marked for deletion are removed. |
1643 | Optional argument NOQUERY non-nil means do not ask the user to confirm." | |
44198b6e | 1644 | (interactive) |
25322144 | 1645 | (unless (derived-mode-p 'package-menu-mode) |
e91a96fe | 1646 | (error "The current buffer is not in Package Menu mode")) |
1b8dff23 | 1647 | (let (install-list delete-list cmd pkg-desc) |
015eea59 CY |
1648 | (save-excursion |
1649 | (goto-char (point-min)) | |
1650 | (while (not (eobp)) | |
1651 | (setq cmd (char-after)) | |
e91a96fe | 1652 | (unless (eq cmd ?\s) |
1b8dff23 SM |
1653 | ;; This is the key PKG-DESC. |
1654 | (setq pkg-desc (tabulated-list-get-id)) | |
e91a96fe | 1655 | (cond ((eq cmd ?D) |
1b8dff23 | 1656 | (push pkg-desc delete-list)) |
e91a96fe | 1657 | ((eq cmd ?I) |
1b8dff23 | 1658 | (push pkg-desc install-list)))) |
015eea59 | 1659 | (forward-line))) |
25322144 | 1660 | (when install-list |
a7da0114 YB |
1661 | (if (or |
1662 | noquery | |
1663 | (yes-or-no-p | |
1b8dff23 SM |
1664 | (if (= (length install-list) 1) |
1665 | (format "Install package `%s'? " | |
1666 | (package-desc-full-name (car install-list))) | |
1667 | (format "Install these %d packages (%s)? " | |
1668 | (length install-list) | |
1669 | (mapconcat #'package-desc-full-name | |
1670 | install-list ", "))))) | |
25322144 | 1671 | (mapc 'package-install install-list))) |
015eea59 CY |
1672 | ;; Delete packages, prompting if necessary. |
1673 | (when delete-list | |
a7da0114 YB |
1674 | (if (or |
1675 | noquery | |
1676 | (yes-or-no-p | |
015eea59 | 1677 | (if (= (length delete-list) 1) |
1b8dff23 SM |
1678 | (format "Delete package `%s'? " |
1679 | (package-desc-full-name (car delete-list))) | |
015eea59 CY |
1680 | (format "Delete these %d packages (%s)? " |
1681 | (length delete-list) | |
1b8dff23 SM |
1682 | (mapconcat #'package-desc-full-name |
1683 | delete-list ", "))))) | |
015eea59 | 1684 | (dolist (elt delete-list) |
1be3ca5a | 1685 | (condition-case-unless-debug err |
1b8dff23 | 1686 | (package-delete elt) |
015eea59 CY |
1687 | (error (message (cadr err))))) |
1688 | (error "Aborted"))) | |
015eea59 | 1689 | (if (or delete-list install-list) |
512e3ae1 | 1690 | (package-menu--generate t t) |
015eea59 | 1691 | (message "No operations specified.")))) |
44198b6e | 1692 | |
e91a96fe CY |
1693 | (defun package-menu--version-predicate (A B) |
1694 | (let ((vA (or (aref (cadr A) 1) '(0))) | |
1695 | (vB (or (aref (cadr B) 1) '(0)))) | |
1696 | (if (version-list-= vA vB) | |
1697 | (package-menu--name-predicate A B) | |
1698 | (version-list-< vA vB)))) | |
1699 | ||
1700 | (defun package-menu--status-predicate (A B) | |
1701 | (let ((sA (aref (cadr A) 2)) | |
1702 | (sB (aref (cadr B) 2))) | |
1703 | (cond ((string= sA sB) | |
1704 | (package-menu--name-predicate A B)) | |
60057926 CY |
1705 | ((string= sA "new") t) |
1706 | ((string= sB "new") nil) | |
1707 | ((string= sA "available") t) | |
e91a96fe | 1708 | ((string= sB "available") nil) |
60057926 | 1709 | ((string= sA "installed") t) |
e91a96fe | 1710 | ((string= sB "installed") nil) |
60057926 | 1711 | ((string= sA "held") t) |
e91a96fe | 1712 | ((string= sB "held") nil) |
60057926 | 1713 | ((string= sA "built-in") t) |
e91a96fe | 1714 | ((string= sB "built-in") nil) |
60057926 CY |
1715 | ((string= sA "obsolete") t) |
1716 | ((string= sB "obsolete") nil) | |
e91a96fe CY |
1717 | (t (string< sA sB))))) |
1718 | ||
1719 | (defun package-menu--description-predicate (A B) | |
1720 | (let ((dA (aref (cadr A) 3)) | |
1721 | (dB (aref (cadr B) 3))) | |
1722 | (if (string= dA dB) | |
1723 | (package-menu--name-predicate A B) | |
1724 | (string< dA dB)))) | |
1725 | ||
1726 | (defun package-menu--name-predicate (A B) | |
1b8dff23 SM |
1727 | (string< (symbol-name (package-desc-name (car A))) |
1728 | (symbol-name (package-desc-name (car B))))) | |
44198b6e CY |
1729 | |
1730 | ;;;###autoload | |
e91a96fe | 1731 | (defun list-packages (&optional no-fetch) |
44198b6e | 1732 | "Display a list of packages. |
e91a96fe CY |
1733 | This first fetches the updated list of packages before |
1734 | displaying, unless a prefix argument NO-FETCH is specified. | |
44198b6e | 1735 | The list is displayed in a buffer named `*Packages*'." |
e91a96fe CY |
1736 | (interactive "P") |
1737 | (require 'finder-inf nil t) | |
8a500a91 | 1738 | ;; Initialize the package system if necessary. |
4b99edf2 CY |
1739 | (unless package--initialized |
1740 | (package-initialize t)) | |
60057926 CY |
1741 | (let (old-archives new-packages) |
1742 | (unless no-fetch | |
1743 | ;; Read the locally-cached archive-contents. | |
1744 | (package-read-all-archive-contents) | |
1745 | (setq old-archives package-archive-contents) | |
1746 | ;; Fetch the remote list of packages. | |
1747 | (package-refresh-contents) | |
1748 | ;; Find which packages are new. | |
1749 | (dolist (elt package-archive-contents) | |
1750 | (unless (assq (car elt) old-archives) | |
1751 | (push (car elt) new-packages)))) | |
1752 | ||
1753 | ;; Generate the Package Menu. | |
1754 | (let ((buf (get-buffer-create "*Packages*"))) | |
1755 | (with-current-buffer buf | |
1756 | (package-menu-mode) | |
1757 | (set (make-local-variable 'package-menu--new-package-list) | |
1758 | new-packages) | |
1759 | (package-menu--generate nil t)) | |
1760 | ;; The package menu buffer has keybindings. If the user types | |
1761 | ;; `M-x list-packages', that suggests it should become current. | |
1762 | (switch-to-buffer buf)) | |
1763 | ||
1764 | (let ((upgrades (package-menu--find-upgrades))) | |
1765 | (if upgrades | |
1766 | (message "%d package%s can be upgraded; type `%s' to mark %s for upgrading." | |
1767 | (length upgrades) | |
1768 | (if (= (length upgrades) 1) "" "s") | |
1769 | (substitute-command-keys "\\[package-menu-mark-upgrades]") | |
1770 | (if (= (length upgrades) 1) "it" "them")))))) | |
44198b6e | 1771 | |
cb8759ca | 1772 | ;;;###autoload |
96ae4c8f | 1773 | (defalias 'package-list-packages 'list-packages) |
cb8759ca | 1774 | |
512e3ae1 CY |
1775 | ;; Used in finder.el |
1776 | (defun package-show-package-list (packages) | |
1777 | "Display PACKAGES in a *Packages* buffer. | |
1778 | This is similar to `list-packages', but it does not fetch the | |
1779 | updated list of packages, and it only displays packages with | |
1780 | names in PACKAGES (which should be a list of symbols)." | |
1781 | (require 'finder-inf nil t) | |
1782 | (let ((buf (get-buffer-create "*Packages*"))) | |
1783 | (with-current-buffer buf | |
1784 | (package-menu-mode) | |
1785 | (package-menu--generate nil packages)) | |
1786 | (switch-to-buffer buf))) | |
1787 | ||
44198b6e CY |
1788 | (defun package-list-packages-no-fetch () |
1789 | "Display a list of packages. | |
1790 | Does not fetch the updated list of packages before displaying. | |
1791 | The list is displayed in a buffer named `*Packages*'." | |
1792 | (interactive) | |
e91a96fe | 1793 | (list-packages t)) |
44198b6e | 1794 | |
44198b6e CY |
1795 | (provide 'package) |
1796 | ||
1797 | ;;; package.el ends here |