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1 | ;;; package.el --- Simple package system for Emacs |
2 | ||
73b0cd50 | 3 | ;; Copyright (C) 2007-2011 Free Software Foundation, Inc. |
44198b6e CY |
4 | |
5 | ;; Author: Tom Tromey <tromey@redhat.com> | |
6 | ;; Created: 10 Mar 2007 | |
7 | ;; Version: 0.9 | |
8 | ;; Keywords: tools | |
9 | ||
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation; either version 3, or (at your option) | |
15 | ;; any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
24 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
25 | ;; Boston, MA 02110-1301, USA. | |
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 | ;; | |
87 | ;; M-x package-list-packages-no-fetch | |
88 | ;; Like package-list-packages, but does not automatically fetch the | |
89 | ;; new list of packages. | |
90 | ;; | |
91 | ;; M-x package-install-from-buffer | |
92 | ;; Install a package consisting of a single .el file that appears | |
93 | ;; in the current buffer. This only works for packages which | |
94 | ;; define a Version header properly; package.el also supports the | |
95 | ;; extension headers Package-Version (in case Version is an RCS id | |
96 | ;; or similar), and Package-Requires (if the package requires other | |
97 | ;; packages). | |
98 | ;; | |
99 | ;; M-x package-install-file | |
100 | ;; Install a package from the indicated file. The package can be | |
101 | ;; either a tar file or a .el file. A tar file must contain an | |
102 | ;; appropriately-named "-pkg.el" file; a .el file must be properly | |
103 | ;; formatted as with package-install-from-buffer. | |
104 | ||
105 | ;;; Thanks: | |
106 | ;;; (sorted by sort-lines): | |
107 | ||
108 | ;; Jim Blandy <jimb@red-bean.com> | |
109 | ;; Karl Fogel <kfogel@red-bean.com> | |
110 | ;; Kevin Ryde <user42@zip.com.au> | |
111 | ;; Lawrence Mitchell | |
112 | ;; Michael Olson <mwolson@member.fsf.org> | |
113 | ;; Sebastian Tennant <sebyte@smolny.plus.com> | |
114 | ;; Stefan Monnier <monnier@iro.umontreal.ca> | |
115 | ;; Vinicius Jose Latorre <viniciusjl@ig.com.br> | |
116 | ;; Phil Hagelberg <phil@hagelb.org> | |
117 | ||
118 | ;;; ToDo: | |
119 | ||
120 | ;; - putting info dirs at the start of the info path means | |
121 | ;; users see a weird ordering of categories. OTOH we want to | |
122 | ;; override later entries. maybe emacs needs to enforce | |
123 | ;; the standard layout? | |
124 | ;; - put bytecode in a separate directory tree | |
125 | ;; - perhaps give users a way to recompile their bytecode | |
126 | ;; or do it automatically when emacs changes | |
127 | ;; - give users a way to know whether a package is installed ok | |
128 | ;; - give users a way to view a package's documentation when it | |
129 | ;; only appears in the .el | |
130 | ;; - use/extend checkdoc so people can tell if their package will work | |
131 | ;; - "installed" instead of a blank in the status column | |
132 | ;; - tramp needs its files to be compiled in a certain order. | |
133 | ;; how to handle this? fix tramp? | |
134 | ;; - on emacs 21 we don't kill the -autoloads.el buffer. what about 22? | |
135 | ;; - maybe we need separate .elc directories for various emacs versions | |
136 | ;; and also emacs-vs-xemacs. That way conditional compilation can | |
137 | ;; work. But would this break anything? | |
138 | ;; - should store the package's keywords in archive-contents, then | |
139 | ;; let the users filter the package-menu by keyword. See | |
140 | ;; finder-by-keyword. (We could also let people view the | |
141 | ;; Commentary, but it isn't clear how useful this is.) | |
142 | ;; - William Xu suggests being able to open a package file without | |
143 | ;; installing it | |
144 | ;; - Interface with desktop.el so that restarting after an install | |
145 | ;; works properly | |
146 | ;; - Implement M-x package-upgrade, to upgrade any/all existing packages | |
147 | ;; - Use hierarchical layout. PKG/etc PKG/lisp PKG/info | |
148 | ;; ... except maybe lisp? | |
149 | ;; - It may be nice to have a macro that expands to the package's | |
150 | ;; private data dir, aka ".../etc". Or, maybe data-directory | |
151 | ;; needs to be a list (though this would be less nice) | |
152 | ;; a few packages want this, eg sokoban | |
153 | ;; - package menu needs: | |
154 | ;; ability to know which packages are built-in & thus not deletable | |
155 | ;; it can sometimes print odd results, like 0.3 available but 0.4 active | |
156 | ;; why is that? | |
157 | ;; - Allow multiple versions on the server...? | |
158 | ;; [ why bother? ] | |
159 | ;; - Don't install a package which will invalidate dependencies overall | |
160 | ;; - Allow something like (or (>= emacs 21.0) (>= xemacs 21.5)) | |
161 | ;; [ currently thinking, why bother.. KISS ] | |
162 | ;; - Allow optional package dependencies | |
163 | ;; then if we require 'bbdb', bbdb-specific lisp in lisp/bbdb | |
164 | ;; and just don't compile to add to load path ...? | |
165 | ;; - Have a list of archive URLs? [ maybe there's no point ] | |
166 | ;; - David Kastrup pointed out on the xemacs list that for GPL it | |
167 | ;; is friendlier to ship the source tree. We could "support" that | |
168 | ;; by just having a "src" subdir in the package. This isn't ideal | |
169 | ;; but it probably is not worth trying to support random source | |
170 | ;; tree layouts, build schemes, etc. | |
171 | ;; - Our treatment of the info path is somewhat bogus | |
172 | ;; - perhaps have an "unstable" tree in ELPA as well as a stable one | |
173 | ||
174 | ;;; Code: | |
175 | ||
176 | (defgroup package nil | |
177 | "Manager for Emacs Lisp packages." | |
178 | :group 'applications | |
179 | :version "24.1") | |
180 | ||
181 | ;;;###autoload | |
182 | (defcustom package-enable-at-startup t | |
183 | "Whether to activate installed packages when Emacs starts. | |
184 | If non-nil, packages are activated after reading the init file | |
185 | and before `after-init-hook'. Activation is not done if | |
186 | `user-init-file' is nil (e.g. Emacs was started with \"-q\"). | |
187 | ||
188 | Even if the value is nil, you can type \\[package-initialize] to | |
189 | activate the package system at any time." | |
190 | :type 'boolean | |
191 | :group 'package | |
192 | :version "24.1") | |
193 | ||
194 | (defcustom package-load-list '(all) | |
195 | "List of packages for `package-initialize' to load. | |
196 | Each element in this list should be a list (NAME VERSION), or the | |
197 | symbol `all'. The symbol `all' says to load the latest installed | |
198 | versions of all packages not specified by other elements. | |
199 | ||
200 | For an element (NAME VERSION), NAME is a package name (a symbol). | |
201 | VERSION should be t, a string, or nil. | |
202 | If VERSION is t, all versions are loaded, though obsolete ones | |
203 | will be put in `package-obsolete-alist' and not activated. | |
204 | If VERSION is a string, only that version is ever loaded. | |
205 | Any other version, even if newer, is silently ignored. | |
206 | Hence, the package is \"held\" at that version. | |
207 | If VERSION is nil, the package is not loaded (it is \"disabled\")." | |
208 | :type '(repeat symbol) | |
bc44bef7 | 209 | :risky t |
44198b6e CY |
210 | :group 'package |
211 | :version "24.1") | |
212 | ||
213 | (defvar Info-directory-list) | |
44198b6e CY |
214 | (declare-function info-initialize "info" ()) |
215 | (declare-function url-http-parse-response "url-http" ()) | |
216 | (declare-function lm-header "lisp-mnt" (header)) | |
217 | (declare-function lm-commentary "lisp-mnt" (&optional file)) | |
cb6c4991 | 218 | (defvar url-http-end-of-headers) |
44198b6e | 219 | |
bc44bef7 PH |
220 | (defcustom package-archives '(("gnu" . "http://elpa.gnu.org/packages/")) |
221 | "An alist of archives from which to fetch. | |
222 | The default value points to the GNU Emacs package repository. | |
223 | Each element has the form (ID . URL), where ID is an identifier | |
224 | string for an archive and URL is a http: URL (a string)." | |
225 | :type '(alist :key-type (string :tag "Archive name") | |
226 | :value-type (string :tag "Archive URL")) | |
227 | :risky t | |
228 | :group 'package | |
229 | :version "24.1") | |
44198b6e CY |
230 | |
231 | (defconst package-archive-version 1 | |
232 | "Version number of the package archive understood by this file. | |
233 | Lower version numbers than this will probably be understood as well.") | |
234 | ||
235 | (defconst package-el-version "1.0" | |
236 | "Version of package.el.") | |
237 | ||
238 | ;; We don't prime the cache since it tends to get out of date. | |
239 | (defvar package-archive-contents nil | |
240 | "Cache of the contents of the Emacs Lisp Package Archive. | |
241 | This is an alist mapping package names (symbols) to package | |
242 | descriptor vectors. These are like the vectors for `package-alist' | |
bc44bef7 PH |
243 | but have extra entries: one which is 'tar for tar packages and |
244 | 'single for single-file packages, and one which is the name of | |
245 | the archive from which it came.") | |
246 | (put 'package-archive-contents 'risky-local-variable t) | |
44198b6e CY |
247 | |
248 | (defcustom package-user-dir (locate-user-emacs-file "elpa") | |
249 | "Directory containing the user's Emacs Lisp packages. | |
250 | The directory name should be absolute. | |
251 | Apart from this directory, Emacs also looks for system-wide | |
252 | packages in `package-directory-list'." | |
253 | :type 'directory | |
bc44bef7 | 254 | :risky t |
44198b6e CY |
255 | :group 'package |
256 | :version "24.1") | |
257 | ||
258 | (defcustom package-directory-list | |
259 | ;; Defaults are subdirs named "elpa" in the site-lisp dirs. | |
260 | (let (result) | |
261 | (dolist (f load-path) | |
0be01d2c CY |
262 | (and (stringp f) |
263 | (equal (file-name-nondirectory f) "site-lisp") | |
264 | (push (expand-file-name "elpa" f) result))) | |
44198b6e CY |
265 | (nreverse result)) |
266 | "List of additional directories containing Emacs Lisp packages. | |
267 | Each directory name should be absolute. | |
268 | ||
269 | These directories contain packages intended for system-wide; in | |
270 | contrast, `package-user-dir' contains packages for personal use." | |
271 | :type '(repeat directory) | |
bc44bef7 | 272 | :risky t |
44198b6e CY |
273 | :group 'package |
274 | :version "24.1") | |
275 | ||
96ae4c8f CY |
276 | ;; The value is precomputed in finder-inf.el, but don't load that |
277 | ;; until it's needed (i.e. when `package-intialize' is called). | |
278 | (defvar package--builtins nil | |
279 | "Alist of built-in packages. | |
015eea59 CY |
280 | The actual value is initialized by loading the library |
281 | `finder-inf'; this is not done until it is needed, e.g. by the | |
282 | function `package-built-in-p'. | |
283 | ||
96ae4c8f CY |
284 | Each element has the form (PKG . DESC), where PKG is a package |
285 | name (a symbol) and DESC is a vector that describes the package. | |
96ae4c8f CY |
286 | The vector DESC has the form [VERSION REQS DOCSTRING]. |
287 | VERSION is a version list. | |
288 | REQS is a list of packages (symbols) required by the package. | |
289 | DOCSTRING is a brief description of the package.") | |
bc44bef7 | 290 | (put 'package--builtins 'risky-local-variable t) |
44198b6e | 291 | |
96ae4c8f | 292 | (defvar package-alist nil |
44198b6e | 293 | "Alist of all packages available for activation. |
96ae4c8f CY |
294 | Each element has the form (PKG . DESC), where PKG is a package |
295 | name (a symbol) and DESC is a vector that describes the package. | |
44198b6e | 296 | |
96ae4c8f CY |
297 | The vector DESC has the form [VERSION REQS DOCSTRING]. |
298 | VERSION is a version list. | |
299 | REQS is a list of packages (symbols) required by the package. | |
300 | DOCSTRING is a brief description of the package. | |
301 | ||
302 | This variable is set automatically by `package-load-descriptor', | |
303 | called via `package-initialize'. To change which packages are | |
304 | loaded and/or activated, customize `package-load-list'.") | |
bc44bef7 | 305 | (put 'package-archive-contents 'risky-local-variable t) |
44198b6e | 306 | |
96ae4c8f | 307 | (defvar package-activated-list nil |
44198b6e | 308 | "List of the names of currently activated packages.") |
bc44bef7 | 309 | (put 'package-activated-list 'risky-local-variable t) |
44198b6e CY |
310 | |
311 | (defvar package-obsolete-alist nil | |
312 | "Representation of obsolete packages. | |
313 | Like `package-alist', but maps package name to a second alist. | |
314 | The inner alist is keyed by version.") | |
bc44bef7 | 315 | (put 'package-obsolete-alist 'risky-local-variable t) |
44198b6e CY |
316 | |
317 | (defconst package-subdirectory-regexp | |
318 | "^\\([^.].*\\)-\\([0-9]+\\(?:[.][0-9]+\\)*\\)$" | |
319 | "Regular expression matching the name of a package subdirectory. | |
320 | The first subexpression is the package name. | |
321 | The second subexpression is the version string.") | |
322 | ||
323 | (defun package-version-join (l) | |
324 | "Turn a list of version numbers into a version string." | |
325 | (mapconcat 'int-to-string l ".")) | |
326 | ||
44198b6e CY |
327 | (defun package-strip-version (dirname) |
328 | "Strip the version from a combined package name and version. | |
329 | E.g., if given \"quux-23.0\", will return \"quux\"" | |
330 | (if (string-match package-subdirectory-regexp dirname) | |
331 | (match-string 1 dirname))) | |
332 | ||
333 | (defun package-load-descriptor (dir package) | |
4b99edf2 CY |
334 | "Load the description file in directory DIR for package PACKAGE. |
335 | Here, PACKAGE is a string of the form NAME-VER, where NAME is the | |
336 | package name and VER is its version." | |
bc44bef7 PH |
337 | (let* ((pkg-dir (expand-file-name package dir)) |
338 | (pkg-file (expand-file-name | |
339 | (concat (package-strip-version package) "-pkg") | |
340 | pkg-dir))) | |
341 | (when (and (file-directory-p pkg-dir) | |
342 | (file-exists-p (concat pkg-file ".el"))) | |
343 | (load pkg-file nil t)))) | |
44198b6e CY |
344 | |
345 | (defun package-load-all-descriptors () | |
346 | "Load descriptors for installed Emacs Lisp packages. | |
347 | This looks for package subdirectories in `package-user-dir' and | |
348 | `package-directory-list'. The variable `package-load-list' | |
349 | controls which package subdirectories may be loaded. | |
350 | ||
351 | In each valid package subdirectory, this function loads the | |
352 | description file containing a call to `define-package', which | |
353 | updates `package-alist' and `package-obsolete-alist'." | |
354 | (let ((all (memq 'all package-load-list)) | |
355 | name version force) | |
356 | (dolist (dir (cons package-user-dir package-directory-list)) | |
357 | (when (file-directory-p dir) | |
358 | (dolist (subdir (directory-files dir)) | |
359 | (when (and (file-directory-p (expand-file-name subdir dir)) | |
360 | (string-match package-subdirectory-regexp subdir)) | |
361 | (setq name (intern (match-string 1 subdir)) | |
362 | version (match-string 2 subdir) | |
363 | force (assq name package-load-list)) | |
364 | (when (cond | |
365 | ((null force) | |
366 | all) ; not in package-load-list | |
367 | ((null (setq force (cadr force))) | |
368 | nil) ; disabled | |
369 | ((eq force t) | |
370 | t) | |
371 | ((stringp force) ; held | |
148cef8e CY |
372 | (version-list-= (version-to-list version) |
373 | (version-to-list force))) | |
44198b6e CY |
374 | (t |
375 | (error "Invalid element in `package-load-list'"))) | |
376 | (package-load-descriptor dir subdir)))))))) | |
377 | ||
378 | (defsubst package-desc-vers (desc) | |
379 | "Extract version from a package description vector." | |
380 | (aref desc 0)) | |
381 | ||
382 | (defsubst package-desc-reqs (desc) | |
383 | "Extract requirements from a package description vector." | |
384 | (aref desc 1)) | |
385 | ||
386 | (defsubst package-desc-doc (desc) | |
387 | "Extract doc string from a package description vector." | |
388 | (aref desc 2)) | |
389 | ||
390 | (defsubst package-desc-kind (desc) | |
391 | "Extract the kind of download from an archive package description vector." | |
392 | (aref desc 3)) | |
393 | ||
015eea59 CY |
394 | (defun package--dir (name version) |
395 | "Return the directory where a package is installed, or nil if none. | |
396 | NAME and VERSION are both strings." | |
397 | (let* ((subdir (concat name "-" version)) | |
44198b6e | 398 | (dir-list (cons package-user-dir package-directory-list)) |
cced7584 | 399 | pkg-dir) |
44198b6e | 400 | (while dir-list |
cced7584 CY |
401 | (let ((subdir-full (expand-file-name subdir (car dir-list)))) |
402 | (if (file-directory-p subdir-full) | |
403 | (setq pkg-dir subdir-full | |
404 | dir-list nil) | |
44198b6e | 405 | (setq dir-list (cdr dir-list))))) |
cced7584 CY |
406 | pkg-dir)) |
407 | ||
408 | (defun package-activate-1 (package pkg-vec) | |
409 | (let* ((name (symbol-name package)) | |
410 | (version-str (package-version-join (package-desc-vers pkg-vec))) | |
411 | (pkg-dir (package--dir name version-str))) | |
44198b6e | 412 | (unless pkg-dir |
015eea59 | 413 | (error "Internal error: unable to find directory for `%s-%s'" |
cced7584 CY |
414 | name version-str)) |
415 | ;; Add info node. | |
ebf662f4 CY |
416 | (when (file-exists-p (expand-file-name "dir" pkg-dir)) |
417 | ;; FIXME: not the friendliest, but simple. | |
418 | (require 'info) | |
419 | (info-initialize) | |
420 | (push pkg-dir Info-directory-list)) | |
cced7584 | 421 | ;; Add to load path, add autoloads, and activate the package. |
ebf662f4 | 422 | (push pkg-dir load-path) |
cced7584 | 423 | (load (expand-file-name (concat name "-autoloads") pkg-dir) nil t) |
ebf662f4 | 424 | (push package package-activated-list) |
44198b6e CY |
425 | ;; Don't return nil. |
426 | t)) | |
427 | ||
4b99edf2 CY |
428 | (defun package-built-in-p (package &optional version) |
429 | "Return true if PACKAGE, of VERSION or newer, is built-in to Emacs." | |
430 | (require 'finder-inf nil t) ; For `package--builtins'. | |
44198b6e | 431 | (let ((elt (assq package package--builtins))) |
4b99edf2 | 432 | (and elt (version-list-<= version (package-desc-vers (cdr elt)))))) |
44198b6e | 433 | |
4b99edf2 CY |
434 | ;; This function goes ahead and activates a newer version of a package |
435 | ;; if an older one was already activated. This is not ideal; we'd at | |
436 | ;; least need to check to see if the package has actually been loaded, | |
437 | ;; and not merely activated. | |
44198b6e | 438 | (defun package-activate (package version) |
4b99edf2 CY |
439 | "Activate package PACKAGE, of version VERSION or newer. |
440 | If PACKAGE has any dependencies, recursively activate them. | |
44198b6e | 441 | Return nil if the package could not be activated." |
4b99edf2 CY |
442 | (let ((pkg-vec (cdr (assq package package-alist))) |
443 | available-version found) | |
444 | ;; Check if PACKAGE is available in `package-alist'. | |
445 | (when pkg-vec | |
446 | (setq available-version (package-desc-vers pkg-vec) | |
447 | found (version-list-<= version available-version))) | |
448 | (cond | |
449 | ;; If no such package is found, maybe it's built-in. | |
450 | ((null found) | |
451 | (package-built-in-p package version)) | |
452 | ;; If the package is already activated, just return t. | |
453 | ((memq package package-activated-list) | |
454 | t) | |
455 | ;; Otherwise, proceed with activation. | |
456 | (t | |
457 | (let ((fail (catch 'dep-failure | |
458 | ;; Activate its dependencies recursively. | |
459 | (dolist (req (package-desc-reqs pkg-vec)) | |
460 | (unless (package-activate (car req) (cadr req)) | |
461 | (throw 'dep-failure req)))))) | |
462 | (if fail | |
463 | (warn "Unable to activate package `%s'. | |
015eea59 | 464 | Required package `%s-%s' is unavailable" |
4b99edf2 CY |
465 | package (car fail) (package-version-join (cadr fail))) |
466 | ;; If all goes well, activate the package itself. | |
467 | (package-activate-1 package pkg-vec))))))) | |
44198b6e CY |
468 | |
469 | (defun package-mark-obsolete (package pkg-vec) | |
470 | "Put package on the obsolete list, if not already there." | |
471 | (let ((elt (assq package package-obsolete-alist))) | |
472 | (if elt | |
473 | ;; If this obsolete version does not exist in the list, update | |
474 | ;; it the list. | |
475 | (unless (assoc (package-desc-vers pkg-vec) (cdr elt)) | |
476 | (setcdr elt (cons (cons (package-desc-vers pkg-vec) pkg-vec) | |
477 | (cdr elt)))) | |
478 | ;; Make a new association. | |
ebf662f4 CY |
479 | (push (cons package (list (cons (package-desc-vers pkg-vec) |
480 | pkg-vec))) | |
481 | package-obsolete-alist)))) | |
44198b6e | 482 | |
4b99edf2 | 483 | (defun define-package (name-string version-string |
187d3296 CY |
484 | &optional docstring requirements |
485 | &rest extra-properties) | |
44198b6e | 486 | "Define a new package. |
4b99edf2 CY |
487 | NAME-STRING is the name of the package, as a string. |
488 | VERSION-STRING is the version of the package, as a list of | |
489 | integers of the form produced by `version-to-list'. | |
490 | DOCSTRING is a short description of the package, a string. | |
491 | REQUIREMENTS is a list of dependencies on other packages. | |
187d3296 CY |
492 | Each requirement is of the form (OTHER-PACKAGE \"VERSION\"). |
493 | ||
494 | EXTRA-PROPERTIES is currently unused." | |
4b99edf2 CY |
495 | (let* ((name (intern name-string)) |
496 | (version (version-to-list version-string)) | |
44198b6e CY |
497 | (new-pkg-desc |
498 | (cons name | |
4b99edf2 | 499 | (vector version |
44198b6e CY |
500 | (mapcar |
501 | (lambda (elt) | |
502 | (list (car elt) | |
148cef8e | 503 | (version-to-list (car (cdr elt))))) |
44198b6e | 504 | requirements) |
4b99edf2 CY |
505 | docstring))) |
506 | (old-pkg (assq name package-alist))) | |
507 | (cond | |
508 | ;; If there's no old package, just add this to `package-alist'. | |
509 | ((null old-pkg) | |
510 | (push new-pkg-desc package-alist)) | |
511 | ((version-list-< (package-desc-vers (cdr old-pkg)) version) | |
512 | ;; Remove the old package and declare it obsolete. | |
513 | (package-mark-obsolete name (cdr old-pkg)) | |
514 | (setq package-alist (cons new-pkg-desc | |
515 | (delq old-pkg package-alist)))) | |
516 | ;; You can have two packages with the same version, e.g. one in | |
517 | ;; the system package directory and one in your private | |
518 | ;; directory. We just let the first one win. | |
519 | ((not (version-list-= (package-desc-vers (cdr old-pkg)) version)) | |
520 | ;; The package is born obsolete. | |
521 | (package-mark-obsolete name (cdr new-pkg-desc)))))) | |
44198b6e CY |
522 | |
523 | ;; From Emacs 22. | |
524 | (defun package-autoload-ensure-default-file (file) | |
525 | "Make sure that the autoload file FILE exists and if not create it." | |
526 | (unless (file-exists-p file) | |
527 | (write-region | |
528 | (concat ";;; " (file-name-nondirectory file) | |
529 | " --- automatically extracted autoloads\n" | |
530 | ";;\n" | |
531 | ";;; Code:\n\n" | |
532 | "\f\n;; Local Variables:\n" | |
533 | ";; version-control: never\n" | |
534 | ";; no-byte-compile: t\n" | |
535 | ";; no-update-autoloads: t\n" | |
536 | ";; End:\n" | |
537 | ";;; " (file-name-nondirectory file) | |
538 | " ends here\n") | |
539 | nil file)) | |
540 | file) | |
541 | ||
542 | (defun package-generate-autoloads (name pkg-dir) | |
543 | (let* ((auto-name (concat name "-autoloads.el")) | |
544 | (ignore-name (concat name "-pkg.el")) | |
545 | (generated-autoload-file (expand-file-name auto-name pkg-dir)) | |
546 | (version-control 'never)) | |
547 | (require 'autoload) | |
548 | (unless (fboundp 'autoload-ensure-default-file) | |
549 | (package-autoload-ensure-default-file generated-autoload-file)) | |
550 | (update-directory-autoloads pkg-dir))) | |
551 | ||
552 | (defun package-untar-buffer () | |
553 | "Untar the current buffer. | |
554 | This uses `tar-untar-buffer' if it is available. | |
555 | Otherwise it uses an external `tar' program. | |
556 | `default-directory' should be set by the caller." | |
557 | (require 'tar-mode) | |
558 | (if (fboundp 'tar-untar-buffer) | |
559 | (progn | |
560 | ;; tar-mode messes with narrowing, so we just let it have the | |
561 | ;; whole buffer to play with. | |
562 | (delete-region (point-min) (point)) | |
563 | (tar-mode) | |
564 | (tar-untar-buffer)) | |
565 | ;; FIXME: check the result. | |
566 | (call-process-region (point) (point-max) "tar" nil '(nil nil) nil | |
567 | "xf" "-"))) | |
568 | ||
569 | (defun package-unpack (name version) | |
570 | (let ((pkg-dir (expand-file-name (concat (symbol-name name) "-" version) | |
571 | package-user-dir))) | |
44198b6e | 572 | (make-directory package-user-dir t) |
015eea59 | 573 | ;; FIXME: should we delete PKG-DIR if it exists? |
44198b6e CY |
574 | (let* ((default-directory (file-name-as-directory package-user-dir))) |
575 | (package-untar-buffer) | |
576 | (package-generate-autoloads (symbol-name name) pkg-dir) | |
577 | (let ((load-path (cons pkg-dir load-path))) | |
578 | (byte-recompile-directory pkg-dir 0 t))))) | |
579 | ||
bc44bef7 PH |
580 | (defun package--write-file-no-coding (file-name excl) |
581 | (let ((buffer-file-coding-system 'no-conversion)) | |
582 | (write-region (point-min) (point-max) file-name nil nil nil excl))) | |
583 | ||
44198b6e CY |
584 | (defun package-unpack-single (file-name version desc requires) |
585 | "Install the contents of the current buffer as a package." | |
586 | ;; Special case "package". | |
587 | (if (string= file-name "package") | |
bc44bef7 PH |
588 | (package--write-file-no-coding |
589 | (expand-file-name (concat file-name ".el") package-user-dir) | |
590 | nil) | |
44198b6e CY |
591 | (let* ((pkg-dir (expand-file-name (concat file-name "-" version) |
592 | package-user-dir)) | |
593 | (el-file (expand-file-name (concat file-name ".el") pkg-dir)) | |
594 | (pkg-file (expand-file-name (concat file-name "-pkg.el") pkg-dir))) | |
595 | (make-directory pkg-dir t) | |
bc44bef7 | 596 | (package--write-file-no-coding el-file 'excl) |
44198b6e CY |
597 | (let ((print-level nil) |
598 | (print-length nil)) | |
599 | (write-region | |
600 | (concat | |
601 | (prin1-to-string | |
602 | (list 'define-package | |
603 | file-name | |
604 | version | |
605 | desc | |
606 | (list 'quote | |
607 | ;; Turn version lists into string form. | |
608 | (mapcar | |
609 | (lambda (elt) | |
610 | (list (car elt) | |
015eea59 | 611 | (package-version-join (cadr elt)))) |
44198b6e CY |
612 | requires)))) |
613 | "\n") | |
614 | nil | |
615 | pkg-file | |
616 | nil nil nil 'excl)) | |
617 | (package-generate-autoloads file-name pkg-dir) | |
618 | (let ((load-path (cons pkg-dir load-path))) | |
619 | (byte-recompile-directory pkg-dir 0 t))))) | |
620 | ||
621 | (defun package-handle-response () | |
622 | "Handle the response from the server. | |
623 | Parse the HTTP response and throw if an error occurred. | |
624 | The url package seems to require extra processing for this. | |
625 | This should be called in a `save-excursion', in the download buffer. | |
626 | It will move point to somewhere in the headers." | |
627 | ;; We assume HTTP here. | |
628 | (require 'url-http) | |
629 | (let ((response (url-http-parse-response))) | |
630 | (when (or (< response 200) (>= response 300)) | |
631 | (display-buffer (current-buffer)) | |
632 | (error "Error during download request:%s" | |
633 | (buffer-substring-no-properties (point) (progn | |
634 | (end-of-line) | |
635 | (point))))))) | |
636 | ||
637 | (defun package-download-single (name version desc requires) | |
638 | "Download and install a single-file package." | |
639 | (let ((buffer (url-retrieve-synchronously | |
063e5294 | 640 | (concat (package-archive-url name) |
44198b6e CY |
641 | (symbol-name name) "-" version ".el")))) |
642 | (with-current-buffer buffer | |
643 | (package-handle-response) | |
644 | (re-search-forward "^$" nil 'move) | |
645 | (forward-char) | |
646 | (delete-region (point-min) (point)) | |
647 | (package-unpack-single (symbol-name name) version desc requires) | |
648 | (kill-buffer buffer)))) | |
649 | ||
650 | (defun package-download-tar (name version) | |
651 | "Download and install a tar package." | |
652 | (let ((tar-buffer (url-retrieve-synchronously | |
063e5294 | 653 | (concat (package-archive-url name) |
44198b6e CY |
654 | (symbol-name name) "-" version ".tar")))) |
655 | (with-current-buffer tar-buffer | |
656 | (package-handle-response) | |
657 | (re-search-forward "^$" nil 'move) | |
658 | (forward-char) | |
659 | (package-unpack name version) | |
660 | (kill-buffer tar-buffer)))) | |
661 | ||
bc44bef7 | 662 | (defun package-installed-p (package &optional min-version) |
4b99edf2 CY |
663 | "Return true if PACKAGE, of VERSION or newer, is installed. |
664 | Built-in packages also qualify." | |
44198b6e | 665 | (let ((pkg-desc (assq package package-alist))) |
4b99edf2 CY |
666 | (if pkg-desc |
667 | (version-list-<= min-version | |
668 | (package-desc-vers (cdr pkg-desc))) | |
669 | ;; Also check built-in packages. | |
670 | (package-built-in-p package min-version)))) | |
44198b6e | 671 | |
96ae4c8f CY |
672 | (defun package-compute-transaction (package-list requirements) |
673 | "Return a list of packages to be installed, including PACKAGE-LIST. | |
674 | PACKAGE-LIST should be a list of package names (symbols). | |
675 | ||
676 | REQUIREMENTS should be a list of additional requirements; each | |
677 | element in this list should have the form (PACKAGE VERSION), | |
678 | where PACKAGE is a package name and VERSION is the required | |
679 | version of that package (as a list). | |
680 | ||
681 | This function recursively computes the requirements of the | |
682 | packages in REQUIREMENTS, and returns a list of all the packages | |
683 | that must be installed. Packages that are already installed are | |
684 | not included in this list." | |
44198b6e CY |
685 | (dolist (elt requirements) |
686 | (let* ((next-pkg (car elt)) | |
687 | (next-version (cadr elt))) | |
688 | (unless (package-installed-p next-pkg next-version) | |
689 | ;; A package is required, but not installed. It might also be | |
690 | ;; blocked via `package-load-list'. | |
691 | (let ((pkg-desc (assq next-pkg package-archive-contents)) | |
692 | hold) | |
693 | (when (setq hold (assq next-pkg package-load-list)) | |
694 | (setq hold (cadr hold)) | |
695 | (cond ((eq hold nil) | |
696 | (error "Required package '%s' is disabled" | |
697 | (symbol-name next-pkg))) | |
698 | ((null (stringp hold)) | |
699 | (error "Invalid element in `package-load-list'")) | |
148cef8e | 700 | ((version-list-< (version-to-list hold) next-version) |
015eea59 | 701 | (error "Package `%s' held at version %s, \ |
44198b6e CY |
702 | but version %s required" |
703 | (symbol-name next-pkg) hold | |
704 | (package-version-join next-version))))) | |
705 | (unless pkg-desc | |
015eea59 | 706 | (error "Package `%s-%s' is unavailable" |
4b99edf2 CY |
707 | (symbol-name next-pkg) |
708 | (package-version-join next-version))) | |
148cef8e CY |
709 | (unless (version-list-<= next-version |
710 | (package-desc-vers (cdr pkg-desc))) | |
44198b6e | 711 | (error |
015eea59 | 712 | "Need package `%s-%s', but only %s is available" |
44198b6e CY |
713 | (symbol-name next-pkg) (package-version-join next-version) |
714 | (package-version-join (package-desc-vers (cdr pkg-desc))))) | |
715 | ;; Only add to the transaction if we don't already have it. | |
96ae4c8f | 716 | (unless (memq next-pkg package-list) |
ebf662f4 | 717 | (push next-pkg package-list)) |
96ae4c8f CY |
718 | (setq package-list |
719 | (package-compute-transaction package-list | |
44198b6e CY |
720 | (package-desc-reqs |
721 | (cdr pkg-desc)))))))) | |
96ae4c8f | 722 | package-list) |
44198b6e CY |
723 | |
724 | (defun package-read-from-string (str) | |
725 | "Read a Lisp expression from STR. | |
726 | Signal an error if the entire string was not used." | |
727 | (let* ((read-data (read-from-string str)) | |
187d3296 CY |
728 | (more-left |
729 | (condition-case nil | |
730 | ;; The call to `ignore' suppresses a compiler warning. | |
731 | (progn (ignore (read-from-string | |
732 | (substring str (cdr read-data)))) | |
733 | t) | |
734 | (end-of-file nil)))) | |
44198b6e CY |
735 | (if more-left |
736 | (error "Can't read whole string") | |
737 | (car read-data)))) | |
738 | ||
739 | (defun package--read-archive-file (file) | |
740 | "Re-read archive file FILE, if it exists. | |
741 | Will return the data from the file, or nil if the file does not exist. | |
742 | Will throw an error if the archive version is too new." | |
743 | (let ((filename (expand-file-name file package-user-dir))) | |
187d3296 CY |
744 | (when (file-exists-p filename) |
745 | (with-temp-buffer | |
746 | (insert-file-contents-literally filename) | |
747 | (let ((contents (read (current-buffer)))) | |
748 | (if (> (car contents) package-archive-version) | |
749 | (error "Package archive version %d is higher than %d" | |
750 | (car contents) package-archive-version)) | |
751 | (cdr contents)))))) | |
44198b6e | 752 | |
bc44bef7 | 753 | (defun package-read-all-archive-contents () |
96ae4c8f CY |
754 | "Re-read `archive-contents', if it exists. |
755 | If successful, set `package-archive-contents'." | |
fbe3be3f | 756 | (setq package-archive-contents nil) |
bc44bef7 | 757 | (dolist (archive package-archives) |
96ae4c8f | 758 | (package-read-archive-contents (car archive)))) |
44198b6e | 759 | |
bc44bef7 | 760 | (defun package-read-archive-contents (archive) |
187d3296 CY |
761 | "Re-read archive contents for ARCHIVE. |
762 | If successful, set the variable `package-archive-contents'. | |
bc44bef7 | 763 | If the archive version is too new, signal an error." |
187d3296 CY |
764 | ;; Version 1 of 'archive-contents' is identical to our internal |
765 | ;; representation. | |
766 | (let* ((dir (concat "archives/" archive)) | |
767 | (contents-file (concat dir "/archive-contents")) | |
768 | contents) | |
769 | (when (setq contents (package--read-archive-file contents-file)) | |
770 | (dolist (package contents) | |
771 | (package--add-to-archive-contents package archive))))) | |
bc44bef7 PH |
772 | |
773 | (defun package--add-to-archive-contents (package archive) | |
774 | "Add the PACKAGE from the given ARCHIVE if necessary. | |
775 | Also, add the originating archive to the end of the package vector." | |
776 | (let* ((name (car package)) | |
777 | (version (aref (cdr package) 0)) | |
778 | (entry (cons (car package) | |
779 | (vconcat (cdr package) (vector archive)))) | |
780 | (existing-package (cdr (assq name package-archive-contents)))) | |
781 | (when (or (not existing-package) | |
148cef8e | 782 | (version-list-< (aref existing-package 0) version)) |
bc44bef7 PH |
783 | (add-to-list 'package-archive-contents entry)))) |
784 | ||
96ae4c8f CY |
785 | (defun package-download-transaction (package-list) |
786 | "Download and install all the packages in PACKAGE-LIST. | |
787 | PACKAGE-LIST should be a list of package names (symbols). | |
788 | This function assumes that all package requirements in | |
789 | PACKAGE-LIST are satisfied, i.e. that PACKAGE-LIST is computed | |
790 | using `package-compute-transaction'." | |
791 | (dolist (elt package-list) | |
44198b6e CY |
792 | (let* ((desc (cdr (assq elt package-archive-contents))) |
793 | ;; As an exception, if package is "held" in | |
794 | ;; `package-load-list', download the held version. | |
795 | (hold (cadr (assq elt package-load-list))) | |
796 | (v-string (or (and (stringp hold) hold) | |
797 | (package-version-join (package-desc-vers desc)))) | |
798 | (kind (package-desc-kind desc))) | |
799 | (cond | |
800 | ((eq kind 'tar) | |
801 | (package-download-tar elt v-string)) | |
802 | ((eq kind 'single) | |
803 | (package-download-single elt v-string | |
804 | (package-desc-doc desc) | |
805 | (package-desc-reqs desc))) | |
806 | (t | |
807 | (error "Unknown package kind: %s" (symbol-name kind))))))) | |
808 | ||
809 | ;;;###autoload | |
810 | (defun package-install (name) | |
811 | "Install the package named NAME. | |
812 | Interactively, prompt for the package name. | |
063e5294 | 813 | The package is found on one of the archives in `package-archives'." |
44198b6e | 814 | (interactive |
bc44bef7 PH |
815 | (list (intern (completing-read "Install package: " |
816 | (mapcar (lambda (elt) | |
817 | (cons (symbol-name (car elt)) | |
818 | nil)) | |
819 | package-archive-contents) | |
820 | nil t)))) | |
44198b6e CY |
821 | (let ((pkg-desc (assq name package-archive-contents))) |
822 | (unless pkg-desc | |
015eea59 | 823 | (error "Package `%s' is not available for installation" |
44198b6e | 824 | (symbol-name name))) |
bc44bef7 PH |
825 | (package-download-transaction |
826 | (package-compute-transaction (list name) | |
827 | (package-desc-reqs (cdr pkg-desc))))) | |
44198b6e CY |
828 | ;; Try to activate it. |
829 | (package-initialize)) | |
830 | ||
831 | (defun package-strip-rcs-id (v-str) | |
832 | "Strip RCS version ID from the version string. | |
833 | If the result looks like a dotted numeric version, return it. | |
834 | Otherwise return nil." | |
835 | (if v-str | |
836 | (if (string-match "^[ \t]*[$]Revision:[ \t]\([0-9.]+\)[ \t]*[$]$" v-str) | |
837 | (match-string 1 v-str) | |
838 | (if (string-match "^[0-9.]*$" v-str) | |
839 | v-str)))) | |
840 | ||
841 | (defun package-buffer-info () | |
187d3296 CY |
842 | "Return a vector describing the package in the current buffer. |
843 | The vector has the form | |
844 | ||
845 | [FILENAME REQUIRES DESCRIPTION VERSION COMMENTARY] | |
846 | ||
847 | FILENAME is the file name, a string, sans the \".el\" extension. | |
44198b6e | 848 | REQUIRES is a requires list, or nil. |
187d3296 | 849 | DESCRIPTION is the package description, a string. |
44198b6e CY |
850 | VERSION is the version, a string. |
851 | COMMENTARY is the commentary section, a string, or nil if none. | |
187d3296 CY |
852 | |
853 | If the buffer does not contain a conforming package, signal an | |
854 | error. If there is a package, narrow the buffer to the file's | |
855 | boundaries." | |
44198b6e | 856 | (goto-char (point-min)) |
187d3296 CY |
857 | (unless (re-search-forward "^;;; \\([^ ]*\\)\\.el --- \\(.*\\)$" nil t) |
858 | (error "Packages lacks a file header")) | |
859 | (let ((file-name (match-string-no-properties 1)) | |
860 | (desc (match-string-no-properties 2)) | |
861 | (start (line-beginning-position))) | |
862 | (unless (search-forward (concat ";;; " file-name ".el ends here")) | |
863 | (error "Package lacks a terminating comment")) | |
864 | ;; Try to include a trailing newline. | |
865 | (forward-line) | |
866 | (narrow-to-region start (point)) | |
867 | (require 'lisp-mnt) | |
868 | ;; Use some headers we've invented to drive the process. | |
869 | (let* ((requires-str (lm-header "package-requires")) | |
870 | (requires (if requires-str | |
871 | (package-read-from-string requires-str))) | |
872 | ;; Prefer Package-Version; if defined, the package author | |
873 | ;; probably wants us to use it. Otherwise try Version. | |
874 | (pkg-version | |
875 | (or (package-strip-rcs-id (lm-header "package-version")) | |
876 | (package-strip-rcs-id (lm-header "version")))) | |
877 | (commentary (lm-commentary))) | |
878 | (unless pkg-version | |
879 | (error | |
880 | "Package lacks a \"Version\" or \"Package-Version\" header")) | |
881 | ;; Turn string version numbers into list form. | |
882 | (setq requires | |
883 | (mapcar | |
884 | (lambda (elt) | |
885 | (list (car elt) | |
886 | (version-to-list (car (cdr elt))))) | |
887 | requires)) | |
888 | (vector file-name requires desc pkg-version commentary)))) | |
44198b6e CY |
889 | |
890 | (defun package-tar-file-info (file) | |
891 | "Find package information for a tar file. | |
892 | FILE is the name of the tar file to examine. | |
893 | The return result is a vector like `package-buffer-info'." | |
894 | (unless (string-match "^\\(.+\\)-\\([0-9.]+\\)\\.tar$" file) | |
187d3296 | 895 | (error "Invalid package name `%s'" file)) |
44198b6e CY |
896 | (let* ((pkg-name (file-name-nondirectory (match-string-no-properties 1 file))) |
897 | (pkg-version (match-string-no-properties 2 file)) | |
898 | ;; Extract the package descriptor. | |
899 | (pkg-def-contents (shell-command-to-string | |
900 | ;; Requires GNU tar. | |
901 | (concat "tar -xOf " file " " | |
902 | pkg-name "-" pkg-version "/" | |
903 | pkg-name "-pkg.el"))) | |
904 | (pkg-def-parsed (package-read-from-string pkg-def-contents))) | |
905 | (unless (eq (car pkg-def-parsed) 'define-package) | |
187d3296 CY |
906 | (error "No `define-package' sexp is present in `%s-pkg.el'" pkg-name)) |
907 | (let ((name-str (nth 1 pkg-def-parsed)) | |
44198b6e | 908 | (version-string (nth 2 pkg-def-parsed)) |
187d3296 CY |
909 | (docstring (nth 3 pkg-def-parsed)) |
910 | (requires (nth 4 pkg-def-parsed)) | |
44198b6e CY |
911 | (readme (shell-command-to-string |
912 | ;; Requires GNU tar. | |
913 | (concat "tar -xOf " file " " | |
914 | pkg-name "-" pkg-version "/README")))) | |
915 | (unless (equal pkg-version version-string) | |
187d3296 | 916 | (error "Package has inconsistent versions")) |
44198b6e | 917 | (unless (equal pkg-name name-str) |
187d3296 | 918 | (error "Package has inconsistent names")) |
44198b6e CY |
919 | ;; Kind of a hack. |
920 | (if (string-match ": Not found in archive" readme) | |
921 | (setq readme nil)) | |
922 | ;; Turn string version numbers into list form. | |
923 | (if (eq (car requires) 'quote) | |
924 | (setq requires (car (cdr requires)))) | |
925 | (setq requires | |
187d3296 CY |
926 | (mapcar (lambda (elt) |
927 | (list (car elt) | |
928 | (version-to-list (cadr elt)))) | |
929 | requires)) | |
44198b6e CY |
930 | (vector pkg-name requires docstring version-string readme)))) |
931 | ||
187d3296 CY |
932 | ;;;###autoload |
933 | (defun package-install-from-buffer (pkg-info type) | |
934 | "Install a package from the current buffer. | |
935 | When called interactively, the current buffer is assumed to be a | |
936 | single .el file that follows the packaging guidelines; see info | |
937 | node `(elisp)Packaging'. | |
938 | ||
939 | When called from Lisp, PKG-INFO is a vector describing the | |
940 | information, of the type returned by `package-buffer-info'; and | |
941 | TYPE is the package type (either `single' or `tar')." | |
942 | (interactive (list (package-buffer-info) 'single)) | |
44198b6e CY |
943 | (save-excursion |
944 | (save-restriction | |
945 | (let* ((file-name (aref pkg-info 0)) | |
187d3296 | 946 | (requires (aref pkg-info 1)) |
44198b6e CY |
947 | (desc (if (string= (aref pkg-info 2) "") |
948 | "No description available." | |
949 | (aref pkg-info 2))) | |
950 | (pkg-version (aref pkg-info 3))) | |
951 | ;; Download and install the dependencies. | |
952 | (let ((transaction (package-compute-transaction nil requires))) | |
953 | (package-download-transaction transaction)) | |
954 | ;; Install the package itself. | |
955 | (cond | |
956 | ((eq type 'single) | |
957 | (package-unpack-single file-name pkg-version desc requires)) | |
958 | ((eq type 'tar) | |
959 | (package-unpack (intern file-name) pkg-version)) | |
960 | (t | |
961 | (error "Unknown type: %s" (symbol-name type)))) | |
962 | ;; Try to activate it. | |
963 | (package-initialize))))) | |
964 | ||
44198b6e CY |
965 | ;;;###autoload |
966 | (defun package-install-file (file) | |
967 | "Install a package from a file. | |
968 | The file can either be a tar file or an Emacs Lisp file." | |
969 | (interactive "fPackage file name: ") | |
970 | (with-temp-buffer | |
971 | (insert-file-contents-literally file) | |
972 | (cond | |
187d3296 CY |
973 | ((string-match "\\.el$" file) |
974 | (package-install-from-buffer (package-buffer-info) 'single)) | |
44198b6e | 975 | ((string-match "\\.tar$" file) |
187d3296 | 976 | (package-install-from-buffer (package-tar-file-info file) 'tar)) |
44198b6e CY |
977 | (t (error "Unrecognized extension `%s'" (file-name-extension file)))))) |
978 | ||
979 | (defun package-delete (name version) | |
015eea59 CY |
980 | (let ((dir (package--dir name version))) |
981 | (if (string-equal (file-name-directory dir) | |
982 | (file-name-as-directory | |
983 | (expand-file-name package-user-dir))) | |
984 | (progn | |
985 | (delete-directory dir t t) | |
986 | (message "Package `%s-%s' deleted." name version)) | |
987 | ;; Don't delete "system" packages | |
988 | (error "Package `%s-%s' is a system package, not deleting" | |
989 | name version)))) | |
44198b6e | 990 | |
063e5294 | 991 | (defun package-archive-url (name) |
bc44bef7 PH |
992 | "Return the archive containing the package NAME." |
993 | (let ((desc (cdr (assq (intern-soft name) package-archive-contents)))) | |
994 | (cdr (assoc (aref desc (- (length desc) 1)) package-archives)))) | |
995 | ||
996 | (defun package--download-one-archive (archive file) | |
997 | "Download an archive file FILE from ARCHIVE, and cache it locally." | |
998 | (let* ((archive-name (car archive)) | |
999 | (archive-url (cdr archive)) | |
1000 | (dir (expand-file-name "archives" package-user-dir)) | |
1001 | (dir (expand-file-name archive-name dir)) | |
1002 | (buffer (url-retrieve-synchronously (concat archive-url file)))) | |
44198b6e CY |
1003 | (with-current-buffer buffer |
1004 | (package-handle-response) | |
1005 | (re-search-forward "^$" nil 'move) | |
1006 | (forward-char) | |
1007 | (delete-region (point-min) (point)) | |
ebf662f4 CY |
1008 | ;; Read the retrieved buffer to make sure it is valid (e.g. it |
1009 | ;; may fetch a URL redirect page). | |
1010 | (when (listp (read buffer)) | |
1011 | (make-directory dir t) | |
1012 | (setq buffer-file-name (expand-file-name file dir)) | |
1013 | (let ((version-control 'never)) | |
1014 | (save-buffer)))) | |
bc44bef7 | 1015 | (kill-buffer buffer))) |
44198b6e CY |
1016 | |
1017 | (defun package-refresh-contents () | |
1018 | "Download the ELPA archive description if needed. | |
ebf662f4 CY |
1019 | This informs Emacs about the latest versions of all packages, and |
1020 | makes them available for download." | |
44198b6e CY |
1021 | (interactive) |
1022 | (unless (file-exists-p package-user-dir) | |
1023 | (make-directory package-user-dir t)) | |
bc44bef7 | 1024 | (dolist (archive package-archives) |
cb6c4991 CY |
1025 | (condition-case nil |
1026 | (package--download-one-archive archive "archive-contents") | |
187d3296 | 1027 | (error (message "Failed to download `%s' archive." |
cb6c4991 | 1028 | (car archive))))) |
bc44bef7 | 1029 | (package-read-all-archive-contents)) |
44198b6e | 1030 | |
4b99edf2 CY |
1031 | (defvar package--initialized nil) |
1032 | ||
44198b6e | 1033 | ;;;###autoload |
4b99edf2 | 1034 | (defun package-initialize (&optional no-activate) |
44198b6e | 1035 | "Load Emacs Lisp packages, and activate them. |
4b99edf2 CY |
1036 | The variable `package-load-list' controls which packages to load. |
1037 | If optional arg NO-ACTIVATE is non-nil, don't activate packages." | |
44198b6e | 1038 | (interactive) |
015eea59 CY |
1039 | (setq package-alist nil |
1040 | package-obsolete-alist nil) | |
44198b6e | 1041 | (package-load-all-descriptors) |
bc44bef7 | 1042 | (package-read-all-archive-contents) |
4b99edf2 CY |
1043 | (unless no-activate |
1044 | (dolist (elt package-alist) | |
1045 | (package-activate (car elt) (package-desc-vers (cdr elt))))) | |
1046 | (setq package--initialized t)) | |
44198b6e CY |
1047 | |
1048 | \f | |
cced7584 | 1049 | ;;;; Package description buffer. |
44198b6e | 1050 | |
cced7584 CY |
1051 | ;;;###autoload |
1052 | (defun describe-package (package) | |
1053 | "Display the full documentation of PACKAGE (a symbol)." | |
1054 | (interactive | |
8a500a91 CY |
1055 | (let* ((guess (function-called-at-point)) |
1056 | packages val) | |
4b99edf2 CY |
1057 | (require 'finder-inf nil t) |
1058 | ;; Load the package list if necessary (but don't activate them). | |
1059 | (unless package--initialized | |
1060 | (package-initialize t)) | |
8a500a91 | 1061 | (setq packages (append (mapcar 'car package-alist) |
4b99edf2 CY |
1062 | (mapcar 'car package-archive-contents) |
1063 | (mapcar 'car package--builtins))) | |
cced7584 CY |
1064 | (unless (memq guess packages) |
1065 | (setq guess nil)) | |
1066 | (setq packages (mapcar 'symbol-name packages)) | |
1067 | (setq val | |
1068 | (completing-read (if guess | |
1069 | (format "Describe package (default %s): " | |
1070 | guess) | |
1071 | "Describe package: ") | |
1072 | packages nil t nil nil guess)) | |
cb6c4991 | 1073 | (list (if (equal val "") guess (intern val))))) |
4b99edf2 CY |
1074 | (if (or (null package) (not (symbolp package))) |
1075 | (message "No package specified") | |
cced7584 CY |
1076 | (help-setup-xref (list #'describe-package package) |
1077 | (called-interactively-p 'interactive)) | |
1078 | (with-help-window (help-buffer) | |
1079 | (with-current-buffer standard-output | |
1080 | (describe-package-1 package))))) | |
1081 | ||
1082 | (defun describe-package-1 (package) | |
96ae4c8f | 1083 | (require 'lisp-mnt) |
cb6c4991 CY |
1084 | (let ((package-name (symbol-name package)) |
1085 | (built-in (assq package package--builtins)) | |
1086 | desc pkg-dir reqs version installable) | |
cced7584 CY |
1087 | (prin1 package) |
1088 | (princ " is ") | |
4b99edf2 CY |
1089 | (cond |
1090 | ;; Loaded packages are in `package-alist'. | |
1091 | ((setq desc (cdr (assq package package-alist))) | |
1092 | (setq version (package-version-join (package-desc-vers desc))) | |
1093 | (if (setq pkg-dir (package--dir package-name version)) | |
1094 | (insert "an installed package.\n\n") | |
1095 | ;; This normally does not happen. | |
1096 | (insert "a deleted package.\n\n"))) | |
1097 | ;; Available packages are in `package-archive-contents'. | |
1098 | ((setq desc (cdr (assq package package-archive-contents))) | |
1099 | (setq version (package-version-join (package-desc-vers desc)) | |
8adb4c33 | 1100 | installable t) |
4b99edf2 CY |
1101 | (if built-in |
1102 | (insert "a built-in package.\n\n") | |
1103 | (insert "an uninstalled package.\n\n"))) | |
1104 | (built-in | |
1105 | (setq desc (cdr built-in) | |
1106 | version (package-version-join (package-desc-vers desc))) | |
1107 | (insert "a built-in package.\n\n")) | |
1108 | (t | |
1109 | (insert "an orphan package.\n\n"))) | |
cb6c4991 | 1110 | |
96ae4c8f | 1111 | (insert " " (propertize "Status" 'font-lock-face 'bold) ": ") |
cb6c4991 | 1112 | (cond (pkg-dir |
96ae4c8f CY |
1113 | (insert (propertize "Installed" |
1114 | 'font-lock-face 'font-lock-comment-face)) | |
cb6c4991 CY |
1115 | (insert " in `") |
1116 | ;; Todo: Add button for uninstalling. | |
1117 | (help-insert-xref-button (file-name-as-directory pkg-dir) | |
1118 | 'help-package-def pkg-dir) | |
4b99edf2 CY |
1119 | (if built-in |
1120 | (insert "',\n shadowing a " | |
1121 | (propertize "built-in package" | |
1122 | 'font-lock-face 'font-lock-builtin-face) | |
1123 | ".") | |
1124 | (insert "'."))) | |
cb6c4991 | 1125 | (installable |
4b99edf2 CY |
1126 | (if built-in |
1127 | (insert (propertize "Built-in." 'font-lock-face 'font-lock-builtin-face) | |
1128 | " Alternate version available -- ") | |
1129 | (insert "Available -- ")) | |
1130 | (let ((button-text (if (display-graphic-p) "Install" "[Install]")) | |
cb6c4991 CY |
1131 | (button-face (if (display-graphic-p) |
1132 | '(:box (:line-width 2 :color "dark grey") | |
1133 | :background "light grey" | |
1134 | :foreground "black") | |
1135 | 'link))) | |
4b99edf2 | 1136 | (insert-text-button button-text 'face button-face 'follow-link t |
cb6c4991 CY |
1137 | 'package-symbol package |
1138 | 'action 'package-install-button-action))) | |
1139 | (built-in | |
4b99edf2 | 1140 | (insert (propertize "Built-in." 'font-lock-face 'font-lock-builtin-face))) |
cb6c4991 CY |
1141 | (t (insert "Deleted."))) |
1142 | (insert "\n") | |
4b99edf2 | 1143 | (and version (> (length version) 0) |
96ae4c8f CY |
1144 | (insert " " |
1145 | (propertize "Version" 'font-lock-face 'bold) ": " version "\n")) | |
4b99edf2 CY |
1146 | |
1147 | (setq reqs (if desc (package-desc-reqs desc))) | |
8adb4c33 | 1148 | (when reqs |
96ae4c8f | 1149 | (insert " " (propertize "Requires" 'font-lock-face 'bold) ": ") |
8adb4c33 CY |
1150 | (let ((first t) |
1151 | name vers text) | |
1152 | (dolist (req reqs) | |
1153 | (setq name (car req) | |
1154 | vers (cadr req) | |
1155 | text (format "%s-%s" (symbol-name name) | |
1156 | (package-version-join vers))) | |
1157 | (cond (first (setq first nil)) | |
1158 | ((>= (+ 2 (current-column) (length text)) | |
1159 | (window-width)) | |
1160 | (insert ",\n ")) | |
1161 | (t (insert ", "))) | |
1162 | (help-insert-xref-button text 'help-package name)) | |
1163 | (insert "\n"))) | |
96ae4c8f | 1164 | (insert " " (propertize "Summary" 'font-lock-face 'bold) |
4b99edf2 | 1165 | ": " (if desc (package-desc-doc desc)) "\n\n") |
cb6c4991 | 1166 | |
4b99edf2 | 1167 | (if built-in |
96ae4c8f CY |
1168 | ;; For built-in packages, insert the commentary. |
1169 | (let ((fn (locate-file (concat package-name ".el") load-path | |
1170 | load-file-rep-suffixes)) | |
1171 | (opoint (point))) | |
1172 | (insert (or (lm-commentary fn) "")) | |
1173 | (save-excursion | |
1174 | (goto-char opoint) | |
1175 | (when (re-search-forward "^;;; Commentary:\n" nil t) | |
1176 | (replace-match "")) | |
1177 | (while (re-search-forward "^\\(;+ ?\\)" nil t) | |
1178 | (replace-match "")))) | |
1179 | (let ((readme (expand-file-name (concat package-name "-readme.txt") | |
1180 | package-user-dir))) | |
1181 | ;; For elpa packages, try downloading the commentary. If that | |
1182 | ;; fails, try an existing readme file in `package-user-dir'. | |
1183 | (cond ((let ((buffer (ignore-errors | |
1184 | (url-retrieve-synchronously | |
1185 | (concat (package-archive-url package) | |
1186 | package-name "-readme.txt")))) | |
1187 | response) | |
1188 | (when buffer | |
1189 | (with-current-buffer buffer | |
1190 | (setq response (url-http-parse-response)) | |
1191 | (if (or (< response 200) (>= response 300)) | |
1192 | (setq response nil) | |
1193 | (setq buffer-file-name | |
1194 | (expand-file-name readme package-user-dir)) | |
1195 | (delete-region (point-min) (1+ url-http-end-of-headers)) | |
1196 | (save-buffer))) | |
1197 | (when response | |
1198 | (insert-buffer-substring buffer) | |
1199 | (kill-buffer buffer) | |
1200 | t)))) | |
1201 | ((file-readable-p readme) | |
1202 | (insert-file-contents readme) | |
1203 | (goto-char (point-max)))))))) | |
cb6c4991 CY |
1204 | |
1205 | (defun package-install-button-action (button) | |
1206 | (let ((package (button-get button 'package-symbol))) | |
1207 | (when (y-or-n-p (format "Install package `%s'? " package)) | |
1208 | (package-install package) | |
1209 | (revert-buffer nil t) | |
1210 | (goto-char (point-min))))) | |
cced7584 CY |
1211 | |
1212 | \f | |
44198b6e CY |
1213 | ;;;; Package menu mode. |
1214 | ||
54ea2a0d | 1215 | (defvar package-menu-mode-map |
abef340a | 1216 | (let ((map (copy-keymap special-mode-map)) |
64eba874 | 1217 | (menu-map (make-sparse-keymap "Package"))) |
43207249 | 1218 | (set-keymap-parent map button-buffer-map) |
8adb4c33 | 1219 | (define-key map "\C-m" 'package-menu-describe-package) |
54ea2a0d JB |
1220 | (define-key map "n" 'next-line) |
1221 | (define-key map "p" 'previous-line) | |
1222 | (define-key map "u" 'package-menu-mark-unmark) | |
1223 | (define-key map "\177" 'package-menu-backup-unmark) | |
1224 | (define-key map "d" 'package-menu-mark-delete) | |
1225 | (define-key map "i" 'package-menu-mark-install) | |
54ea2a0d JB |
1226 | (define-key map "r" 'package-menu-refresh) |
1227 | (define-key map "~" 'package-menu-mark-obsolete-for-deletion) | |
1228 | (define-key map "x" 'package-menu-execute) | |
1229 | (define-key map "h" 'package-menu-quick-help) | |
cb6c4991 | 1230 | (define-key map "?" 'package-menu-describe-package) |
96ae4c8f CY |
1231 | (define-key map [follow-link] 'mouse-face) |
1232 | (define-key map [mouse-2] 'mouse-select-window) | |
64eba874 DN |
1233 | (define-key map [menu-bar package-menu] (cons "Package" menu-map)) |
1234 | (define-key menu-map [mq] | |
1235 | '(menu-item "Quit" quit-window | |
1236 | :help "Quit package selection")) | |
1237 | (define-key menu-map [s1] '("--")) | |
1238 | (define-key menu-map [mn] | |
1239 | '(menu-item "Next" next-line | |
1240 | :help "Next Line")) | |
1241 | (define-key menu-map [mp] | |
1242 | '(menu-item "Previous" previous-line | |
1243 | :help "Previous Line")) | |
1244 | (define-key menu-map [s2] '("--")) | |
1245 | (define-key menu-map [mu] | |
1246 | '(menu-item "Unmark" package-menu-mark-unmark | |
1247 | :help "Clear any marks on a package and move to the next line")) | |
1248 | (define-key menu-map [munm] | |
1249 | '(menu-item "Unmark backwards" package-menu-backup-unmark | |
1250 | :help "Back up one line and clear any marks on that package")) | |
1251 | (define-key menu-map [md] | |
1252 | '(menu-item "Mark for deletion" package-menu-mark-delete | |
1253 | :help "Mark a package for deletion and move to the next line")) | |
1254 | (define-key menu-map [mi] | |
1255 | '(menu-item "Mark for install" package-menu-mark-install | |
1256 | :help "Mark a package for installation and move to the next line")) | |
1257 | (define-key menu-map [s3] '("--")) | |
1258 | (define-key menu-map [mg] | |
e687c2cd | 1259 | '(menu-item "Update package list" revert-buffer |
64eba874 DN |
1260 | :help "Update the list of packages")) |
1261 | (define-key menu-map [mr] | |
1262 | '(menu-item "Refresh package list" package-menu-refresh | |
1263 | :help "Download the ELPA archive")) | |
1264 | (define-key menu-map [s4] '("--")) | |
1265 | (define-key menu-map [mt] | |
1266 | '(menu-item "Mark obsolete packages" package-menu-mark-obsolete-for-deletion | |
1267 | :help "Mark all obsolete packages for deletion")) | |
1268 | (define-key menu-map [mx] | |
1269 | '(menu-item "Execute actions" package-menu-execute | |
1270 | :help "Perform all the marked actions")) | |
1271 | (define-key menu-map [s5] '("--")) | |
1272 | (define-key menu-map [mh] | |
1273 | '(menu-item "Help" package-menu-quick-help | |
1274 | :help "Show short key binding help for package-menu-mode")) | |
1275 | (define-key menu-map [mc] | |
1276 | '(menu-item "View Commentary" package-menu-view-commentary | |
1277 | :help "Display information about this package")) | |
54ea2a0d | 1278 | map) |
44198b6e CY |
1279 | "Local keymap for `package-menu-mode' buffers.") |
1280 | ||
44198b6e CY |
1281 | (defvar package-menu-sort-button-map |
1282 | (let ((map (make-sparse-keymap))) | |
1283 | (define-key map [header-line mouse-1] 'package-menu-sort-by-column) | |
96ae4c8f | 1284 | (define-key map [header-line mouse-2] 'package-menu-sort-by-column) |
44198b6e CY |
1285 | (define-key map [follow-link] 'mouse-face) |
1286 | map) | |
1287 | "Local keymap for package menu sort buttons.") | |
1288 | ||
1289 | (put 'package-menu-mode 'mode-class 'special) | |
1290 | ||
abef340a | 1291 | (define-derived-mode package-menu-mode special-mode "Package Menu" |
44198b6e CY |
1292 | "Major mode for browsing a list of packages. |
1293 | Letters do not insert themselves; instead, they are commands. | |
1294 | \\<package-menu-mode-map> | |
1295 | \\{package-menu-mode-map}" | |
44198b6e CY |
1296 | (setq truncate-lines t) |
1297 | (setq buffer-read-only t) | |
cd205c76 | 1298 | (set (make-local-variable 'revert-buffer-function) 'package-menu-revert) |
187d3296 CY |
1299 | (setq header-line-format |
1300 | (mapconcat | |
1301 | (lambda (pair) | |
1302 | (let ((column (car pair)) | |
1303 | (name (cdr pair))) | |
1304 | (concat | |
1305 | ;; Insert a space that aligns the button properly. | |
1306 | (propertize " " 'display (list 'space :align-to column) | |
1307 | 'face 'fixed-pitch) | |
1308 | ;; Set up the column button. | |
1309 | (propertize name | |
1310 | 'column-name name | |
1311 | 'help-echo "mouse-1: sort by column" | |
1312 | 'mouse-face 'highlight | |
1313 | 'keymap package-menu-sort-button-map)))) | |
1314 | ;; We take a trick from buff-menu and have a dummy leading | |
1315 | ;; space to align the header line with the beginning of the | |
1316 | ;; text. This doesn't really work properly on Emacs 21, but | |
1317 | ;; it is close enough. | |
1318 | '((0 . "") | |
1319 | (2 . "Package") | |
1320 | (20 . "Version") | |
1321 | (32 . "Status") | |
1322 | (43 . "Description")) | |
abef340a | 1323 | ""))) |
44198b6e CY |
1324 | |
1325 | (defun package-menu-refresh () | |
ebf662f4 CY |
1326 | "Download the Emacs Lisp package archive. |
1327 | This fetches the contents of each archive specified in | |
1328 | `package-archives', and then refreshes the package menu." | |
44198b6e | 1329 | (interactive) |
187d3296 CY |
1330 | (unless (eq major-mode 'package-menu-mode) |
1331 | (error "The current buffer is not a Package Menu")) | |
44198b6e | 1332 | (package-refresh-contents) |
96ae4c8f | 1333 | (package--generate-package-list)) |
44198b6e | 1334 | |
e687c2cd CY |
1335 | (defun package-menu-revert (&optional arg noconfirm) |
1336 | "Update the list of packages. | |
1337 | This function is the `revert-buffer-function' for Package Menu | |
1338 | buffers. The arguments are ignored." | |
44198b6e | 1339 | (interactive) |
187d3296 CY |
1340 | (unless (eq major-mode 'package-menu-mode) |
1341 | (error "The current buffer is not a Package Menu")) | |
96ae4c8f | 1342 | (package--generate-package-list)) |
44198b6e | 1343 | |
8adb4c33 CY |
1344 | (defun package-menu-describe-package () |
1345 | "Describe the package in the current line." | |
1346 | (interactive) | |
1347 | (let ((name (package-menu-get-package))) | |
1348 | (if name | |
1349 | (describe-package (intern name)) | |
1350 | (message "No package on this line")))) | |
1351 | ||
44198b6e CY |
1352 | (defun package-menu-mark-internal (what) |
1353 | (unless (eobp) | |
1354 | (let ((buffer-read-only nil)) | |
1355 | (beginning-of-line) | |
1356 | (delete-char 1) | |
1357 | (insert what) | |
1358 | (forward-line)))) | |
1359 | ||
1360 | ;; fixme numeric argument | |
1361 | (defun package-menu-mark-delete (num) | |
1362 | "Mark a package for deletion and move to the next line." | |
1363 | (interactive "p") | |
015eea59 CY |
1364 | (if (string-equal (package-menu-get-status) "installed") |
1365 | (package-menu-mark-internal "D") | |
1366 | (forward-line))) | |
44198b6e CY |
1367 | |
1368 | (defun package-menu-mark-install (num) | |
1369 | "Mark a package for installation and move to the next line." | |
1370 | (interactive "p") | |
015eea59 CY |
1371 | (if (string-equal (package-menu-get-status) "available") |
1372 | (package-menu-mark-internal "I") | |
1373 | (forward-line))) | |
44198b6e CY |
1374 | |
1375 | (defun package-menu-mark-unmark (num) | |
1376 | "Clear any marks on a package and move to the next line." | |
1377 | (interactive "p") | |
1378 | (package-menu-mark-internal " ")) | |
1379 | ||
1380 | (defun package-menu-backup-unmark () | |
1381 | "Back up one line and clear any marks on that package." | |
1382 | (interactive) | |
1383 | (forward-line -1) | |
1384 | (package-menu-mark-internal " ") | |
1385 | (forward-line -1)) | |
1386 | ||
1387 | (defun package-menu-mark-obsolete-for-deletion () | |
1388 | "Mark all obsolete packages for deletion." | |
1389 | (interactive) | |
1390 | (save-excursion | |
1391 | (goto-char (point-min)) | |
1392 | (forward-line 2) | |
1393 | (while (not (eobp)) | |
1394 | (if (looking-at ".*\\s obsolete\\s ") | |
1395 | (package-menu-mark-internal "D") | |
1396 | (forward-line 1))))) | |
1397 | ||
1398 | (defun package-menu-quick-help () | |
1399 | "Show short key binding help for package-menu-mode." | |
1400 | (interactive) | |
1401 | (message "n-ext, i-nstall, d-elete, u-nmark, x-ecute, r-efresh, h-elp")) | |
1402 | ||
cb6c4991 CY |
1403 | (define-obsolete-function-alias |
1404 | 'package-menu-view-commentary 'package-menu-describe-package "24.1") | |
44198b6e CY |
1405 | |
1406 | ;; Return the name of the package on the current line. | |
1407 | (defun package-menu-get-package () | |
1408 | (save-excursion | |
1409 | (beginning-of-line) | |
1410 | (if (looking-at ". \\([^ \t]*\\)") | |
8adb4c33 | 1411 | (match-string-no-properties 1)))) |
44198b6e CY |
1412 | |
1413 | ;; Return the version of the package on the current line. | |
1414 | (defun package-menu-get-version () | |
1415 | (save-excursion | |
1416 | (beginning-of-line) | |
1417 | (if (looking-at ". [^ \t]*[ \t]*\\([0-9.]*\\)") | |
1418 | (match-string 1)))) | |
1419 | ||
1420 | (defun package-menu-get-status () | |
1421 | (save-excursion | |
1422 | (if (looking-at ". [^ \t]*[ \t]*[^ \t]*[ \t]*\\([^ \t]*\\)") | |
1423 | (match-string 1) | |
1424 | ""))) | |
1425 | ||
1426 | (defun package-menu-execute () | |
015eea59 CY |
1427 | "Perform marked Package Menu actions. |
1428 | Packages marked for installation are downloaded and installed; | |
1429 | packages marked for deletion are removed." | |
44198b6e | 1430 | (interactive) |
015eea59 CY |
1431 | (let (install-list delete-list cmd) |
1432 | (save-excursion | |
1433 | (goto-char (point-min)) | |
1434 | (while (not (eobp)) | |
1435 | (setq cmd (char-after)) | |
1436 | (cond | |
1437 | ((eq cmd ?\s) t) | |
1438 | ((eq cmd ?D) | |
1439 | (push (cons (package-menu-get-package) | |
1440 | (package-menu-get-version)) | |
1441 | delete-list)) | |
1442 | ((eq cmd ?I) | |
1443 | (push (package-menu-get-package) install-list))) | |
1444 | (forward-line))) | |
1445 | ;; Delete packages, prompting if necessary. | |
1446 | (when delete-list | |
1447 | (if (yes-or-no-p | |
1448 | (if (= (length delete-list) 1) | |
1449 | (format "Delete package `%s-%s'? " | |
1450 | (caar delete-list) | |
1451 | (cdr (car delete-list))) | |
1452 | (format "Delete these %d packages (%s)? " | |
1453 | (length delete-list) | |
1454 | (mapconcat (lambda (elt) | |
1455 | (concat (car elt) "-" (cdr elt))) | |
1456 | delete-list | |
1457 | ", ")))) | |
1458 | (dolist (elt delete-list) | |
1459 | (condition-case err | |
1460 | (package-delete (car elt) (cdr elt)) | |
1461 | (error (message (cadr err))))) | |
1462 | (error "Aborted"))) | |
1463 | (when install-list | |
1464 | (if (yes-or-no-p | |
1465 | (if (= (length install-list) 1) | |
1466 | (format "Install package `%s'? " (car install-list)) | |
1467 | (format "Install these %d packages (%s)? " | |
1468 | (length install-list) | |
1469 | (mapconcat 'identity install-list ", ")))) | |
1470 | (dolist (elt install-list) | |
1471 | (package-install (intern elt))))) | |
1472 | ;; If we deleted anything, regenerate `package-alist'. This is done | |
1473 | ;; automatically if we installed a package. | |
1474 | (and delete-list (null install-list) | |
1475 | (package-initialize)) | |
1476 | (if (or delete-list install-list) | |
1477 | (package-menu-revert) | |
1478 | (message "No operations specified.")))) | |
44198b6e CY |
1479 | |
1480 | (defun package-print-package (package version key desc) | |
1481 | (let ((face | |
376c2b6b | 1482 | (cond ((string= key "built-in") 'font-lock-builtin-face) |
44198b6e CY |
1483 | ((string= key "available") 'default) |
1484 | ((string= key "held") 'font-lock-constant-face) | |
1485 | ((string= key "disabled") 'font-lock-warning-face) | |
1486 | ((string= key "installed") 'font-lock-comment-face) | |
1487 | (t ; obsolete, but also the default. | |
1488 | 'font-lock-warning-face)))) | |
1489 | (insert (propertize " " 'font-lock-face face)) | |
8adb4c33 CY |
1490 | (insert-text-button (symbol-name package) |
1491 | 'face 'link | |
1492 | 'follow-link t | |
1493 | 'package-symbol package | |
1494 | 'action (lambda (button) | |
1495 | (describe-package | |
1496 | (button-get button 'package-symbol)))) | |
44198b6e CY |
1497 | (indent-to 20 1) |
1498 | (insert (propertize (package-version-join version) 'font-lock-face face)) | |
8adb4c33 | 1499 | (indent-to 32 1) |
44198b6e CY |
1500 | (insert (propertize key 'font-lock-face face)) |
1501 | ;; FIXME: this 'when' is bogus... | |
1502 | (when desc | |
8adb4c33 | 1503 | (indent-to 43 1) |
376c2b6b CY |
1504 | (let ((opoint (point))) |
1505 | (insert (propertize desc 'font-lock-face face)) | |
1506 | (upcase-region opoint (min (point) (1+ opoint))))) | |
44198b6e CY |
1507 | (insert "\n"))) |
1508 | ||
1509 | (defun package-list-maybe-add (package version status description result) | |
1510 | (unless (assoc (cons package version) result) | |
ebf662f4 | 1511 | (push (list (cons package version) status description) result)) |
44198b6e CY |
1512 | result) |
1513 | ||
187d3296 CY |
1514 | (defvar package-menu-package-list nil |
1515 | "List of packages to display in the Package Menu buffer. | |
1516 | A value of nil means to display all packages.") | |
44198b6e | 1517 | |
187d3296 CY |
1518 | (defvar package-menu-sort-key nil |
1519 | "Sort key for the current Package Menu buffer.") | |
1520 | ||
1521 | (defun package--generate-package-list () | |
1522 | "Populate the current Package Menu buffer." | |
187d3296 CY |
1523 | (let ((inhibit-read-only t) |
1524 | info-list name desc hold builtin) | |
44198b6e | 1525 | (erase-buffer) |
187d3296 CY |
1526 | ;; List installed packages |
1527 | (dolist (elt package-alist) | |
1528 | (setq name (car elt)) | |
4b99edf2 CY |
1529 | (when (or (null package-menu-package-list) |
1530 | (memq name package-menu-package-list)) | |
187d3296 | 1531 | (setq desc (cdr elt) |
4b99edf2 | 1532 | hold (cadr (assq name package-load-list))) |
187d3296 CY |
1533 | (setq info-list |
1534 | (package-list-maybe-add | |
1535 | name (package-desc-vers desc) | |
1536 | ;; FIXME: it turns out to be tricky to see if this | |
1537 | ;; package is presently activated. | |
4b99edf2 CY |
1538 | (if (stringp hold) "held" "installed") |
1539 | (package-desc-doc desc) | |
1540 | info-list)))) | |
1541 | ||
1542 | ;; List built-in packages | |
1543 | (dolist (elt package--builtins) | |
1544 | (setq name (car elt)) | |
1545 | (when (and (not (eq name 'emacs)) ; Hide the `emacs' package. | |
1546 | (or (null package-menu-package-list) | |
1547 | (memq name package-menu-package-list))) | |
1548 | (setq desc (cdr elt)) | |
1549 | (setq info-list | |
1550 | (package-list-maybe-add | |
1551 | name (package-desc-vers desc) | |
1552 | "built-in" | |
187d3296 CY |
1553 | (package-desc-doc desc) |
1554 | info-list)))) | |
1555 | ||
1556 | ;; List available and disabled packages | |
1557 | (dolist (elt package-archive-contents) | |
1558 | (setq name (car elt) | |
1559 | desc (cdr elt) | |
1560 | hold (assq name package-load-list)) | |
1561 | (when (or (null package-menu-package-list) | |
1562 | (memq name package-menu-package-list)) | |
1563 | (setq info-list | |
1564 | (package-list-maybe-add name | |
1565 | (package-desc-vers desc) | |
1566 | (if (and hold (null (cadr hold))) | |
1567 | "disabled" | |
1568 | "available") | |
1569 | (package-desc-doc (cdr elt)) | |
1570 | info-list)))) | |
1571 | ;; List obsolete packages | |
1572 | (mapc (lambda (elt) | |
1573 | (mapc (lambda (inner-elt) | |
1574 | (setq info-list | |
1575 | (package-list-maybe-add (car elt) | |
1576 | (package-desc-vers | |
1577 | (cdr inner-elt)) | |
1578 | "obsolete" | |
1579 | (package-desc-doc | |
1580 | (cdr inner-elt)) | |
1581 | info-list))) | |
1582 | (cdr elt))) | |
1583 | package-obsolete-alist) | |
1584 | ||
1585 | (setq info-list | |
1586 | (sort info-list | |
1587 | (cond ((string= package-menu-sort-key "Package") | |
1588 | 'package-menu--name-predicate) | |
1589 | ((string= package-menu-sort-key "Version") | |
1590 | 'package-menu--version-predicate) | |
1591 | ((string= package-menu-sort-key "Description") | |
1592 | 'package-menu--description-predicate) | |
1593 | (t ; By default, sort by package status | |
1594 | 'package-menu--status-predicate)))) | |
1595 | ||
1596 | (dolist (elt info-list) | |
1597 | (package-print-package (car (car elt)) | |
1598 | (cdr (car elt)) | |
1599 | (car (cdr elt)) | |
1600 | (car (cdr (cdr elt))))) | |
44198b6e | 1601 | (goto-char (point-min)) |
96ae4c8f | 1602 | (set-buffer-modified-p nil) |
44198b6e CY |
1603 | (current-buffer))) |
1604 | ||
96ae4c8f | 1605 | (defun package-menu--version-predicate (left right) |
187d3296 CY |
1606 | (let ((vleft (or (cdr (car left)) '(0))) |
1607 | (vright (or (cdr (car right)) '(0)))) | |
1608 | (if (version-list-= vleft vright) | |
96ae4c8f | 1609 | (package-menu--name-predicate left right) |
187d3296 | 1610 | (version-list-< vleft vright)))) |
96ae4c8f CY |
1611 | |
1612 | (defun package-menu--status-predicate (left right) | |
1613 | (let ((sleft (cadr left)) | |
1614 | (sright (cadr right))) | |
1615 | (cond ((string= sleft sright) | |
1616 | (package-menu--name-predicate left right)) | |
1617 | ((string= sleft "available") t) | |
1618 | ((string= sright "available") nil) | |
1619 | ((string= sleft "installed") t) | |
1620 | ((string= sright "installed") nil) | |
1621 | ((string= sleft "held") t) | |
1622 | ((string= sright "held") nil) | |
1623 | ((string= sleft "built-in") t) | |
1624 | ((string= sright "built-in") nil) | |
1625 | ((string= sleft "obsolete") t) | |
1626 | ((string= sright "obsolete") nil) | |
1627 | (t (string< sleft sright))))) | |
1628 | ||
1629 | (defun package-menu--description-predicate (left right) | |
1630 | (let ((sleft (car (cddr left))) | |
1631 | (sright (car (cddr right)))) | |
1632 | (if (string= sleft sright) | |
1633 | (package-menu--name-predicate left right) | |
1634 | (string< sleft sright)))) | |
1635 | ||
1636 | (defun package-menu--name-predicate (left right) | |
1637 | (string< (symbol-name (caar left)) | |
1638 | (symbol-name (caar right)))) | |
1639 | ||
44198b6e | 1640 | (defun package-menu-sort-by-column (&optional e) |
187d3296 | 1641 | "Sort the package menu by the column of the mouse click E." |
96ae4c8f | 1642 | (interactive "e") |
44198b6e | 1643 | (let* ((pos (event-start e)) |
187d3296 CY |
1644 | (obj (posn-object pos)) |
1645 | (col (if obj | |
1646 | (get-text-property (cdr obj) 'column-name (car obj)) | |
1647 | (get-text-property (posn-point pos) 'column-name))) | |
1648 | (buf (window-buffer (posn-window (event-start e))))) | |
1649 | (with-current-buffer buf | |
1650 | (when (eq major-mode 'package-menu-mode) | |
1651 | (setq package-menu-sort-key col) | |
1652 | (package--generate-package-list))))) | |
96ae4c8f CY |
1653 | |
1654 | (defun package--list-packages (&optional packages) | |
187d3296 CY |
1655 | "Generate and pop to the *Packages* buffer. |
1656 | Optional PACKAGES is a list of names of packages (symbols) to | |
1657 | list; the default is to display everything in `package-alist'." | |
4b99edf2 | 1658 | (require 'finder-inf nil t) |
2a8b13af CY |
1659 | (let ((buf (get-buffer-create "*Packages*"))) |
1660 | (with-current-buffer buf | |
2a8b13af CY |
1661 | (set (make-local-variable 'package-menu-package-list) packages) |
1662 | (set (make-local-variable 'package-menu-sort-key) nil) | |
e90f8545 SS |
1663 | (package--generate-package-list) |
1664 | (package-menu-mode)) | |
2a8b13af CY |
1665 | ;; The package menu buffer has keybindings. If the user types |
1666 | ;; `M-x list-packages', that suggests it should become current. | |
1667 | (switch-to-buffer buf))) | |
44198b6e CY |
1668 | |
1669 | ;;;###autoload | |
96ae4c8f | 1670 | (defun list-packages () |
44198b6e CY |
1671 | "Display a list of packages. |
1672 | Fetches the updated list of packages before displaying. | |
1673 | The list is displayed in a buffer named `*Packages*'." | |
1674 | (interactive) | |
8a500a91 | 1675 | ;; Initialize the package system if necessary. |
4b99edf2 CY |
1676 | (unless package--initialized |
1677 | (package-initialize t)) | |
44198b6e CY |
1678 | (package-refresh-contents) |
1679 | (package--list-packages)) | |
1680 | ||
cb8759ca | 1681 | ;;;###autoload |
96ae4c8f | 1682 | (defalias 'package-list-packages 'list-packages) |
cb8759ca | 1683 | |
44198b6e CY |
1684 | (defun package-list-packages-no-fetch () |
1685 | "Display a list of packages. | |
1686 | Does not fetch the updated list of packages before displaying. | |
1687 | The list is displayed in a buffer named `*Packages*'." | |
1688 | (interactive) | |
1689 | (package--list-packages)) | |
1690 | ||
44198b6e CY |
1691 | (provide 'package) |
1692 | ||
1693 | ;;; package.el ends here |