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c88ab9ce ER |
1 | ;;; startup.el --- process Emacs shell arguments |
2 | ||
a460d4e3 | 3 | ;; Copyright (C) 1985, 86, 92, 94, 95, 96, 97, 1998, 1999 Free Software Foundation, Inc. |
eea8d4ef | 4 | |
630cc463 | 5 | ;; Maintainer: FSF |
d7b4d18f | 6 | ;; Keywords: internal |
630cc463 | 7 | |
a726e0d1 JB |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
4746118a | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
a726e0d1 JB |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
a726e0d1 | 24 | |
630cc463 | 25 | ;;; Commentary: |
a726e0d1 | 26 | |
ab30fc8a RS |
27 | ;; This file parses the command line and gets Emacs running. Options on |
28 | ;; the command line are handled in precedence order. The order is the | |
29 | ;; one in the list below; first described means first handled. Options | |
30 | ;; within each category (delimited by a bar) are handled in the order | |
31 | ;; encountered on the command line. | |
32 | ||
33 | ;; ------------------------- | |
34 | ;; -version Print Emacs version to stderr, then exit | |
35 | ;; --version successfully right away. | |
36 | ;; This option is handled by emacs.c | |
37 | ;; ------------------------- | |
38 | ;; -help Print a short usage description and exit | |
39 | ;; --help successfully right away. | |
40 | ;; This option is handled by emacs.c | |
41 | ;; ------------------------- | |
42 | ;; -nl Do not use shared memory (for systems that | |
43 | ;; -no-shared-memory support this) for the dumped Emacs data. | |
44 | ;; This option is handled by emacs.c | |
45 | ;; | |
46 | ;; -map For VMS. | |
47 | ;; --map-data This option is handled by emacs.c | |
48 | ;; ------------------------- | |
49 | ;; -t FILE Use FILE as the name of the terminal. | |
50 | ;; --terminal FILE Using this implies "-nw" also. | |
51 | ;; This option is handled by emacs.c | |
52 | ;; ------------------------- | |
64b0dbdb | 53 | ;; -d DISPNAME Use DISPNAME as the name of the X |
ab30fc8a RS |
54 | ;; -display DISPNAME display for the initial frame. |
55 | ;; --display DISPNAME This option is handled by emacs.c | |
56 | ;; ------------------------- | |
57 | ;; -nw Do not use a windows system (but use the | |
58 | ;; --no-windows terminal instead.) | |
59 | ;; This option is handled by emacs.c | |
60 | ;; ------------------------- | |
61 | ;; -batch Execute noninteractively (messages go to stdout, | |
62 | ;; --batch variable noninteractive set to t) | |
63 | ;; This option is handled by emacs.c | |
64 | ;; ------------------------- | |
65 | ;; -q Do not load user's init file and do not load | |
66 | ;; -no-init-file "default.el". Regardless of this switch, | |
6f9340dd | 67 | ;; --no-init-file "site-start" is still loaded. |
ab30fc8a | 68 | ;; ------------------------- |
6f9340dd | 69 | ;; -no-site-file Do not load "site-start.el". (This is the ONLY |
ab30fc8a RS |
70 | ;; --no-site-file way to prevent loading that file.) |
71 | ;; ------------------------- | |
72 | ;; -u USER Load USER's init file instead of the init | |
73 | ;; -user USER file belonging to the user starting Emacs. | |
74 | ;; --user USER | |
75 | ;; ------------------------- | |
76 | ;; -debug-init Don't catch errors in init files; let the | |
77 | ;; --debug-init debugger run. | |
78 | ;; ------------------------- | |
79 | ;; -i ICONTYPE Set type of icon using when Emacs is | |
64b0dbdb | 80 | ;; -itype ICONTYPE iconified under X. |
ab30fc8a RS |
81 | ;; --icon-type ICONTYPE This option is passed on to term/x-win.el |
82 | ;; | |
64b0dbdb | 83 | ;; -iconic Start Emacs iconified. |
ab30fc8a RS |
84 | ;; --iconic This option is passed on to term/x-win.el |
85 | ;; ------------------------- | |
64b0dbdb | 86 | ;; Various X options for colors/fonts/geometry/title etc. |
ab30fc8a RS |
87 | ;; These options are passed on to term/x-win.el which see. Certain |
88 | ;; of these are also found in term/pc-win.el | |
89 | ;; ------------------------- | |
90 | ;; FILE Visit FILE. | |
dc2cd811 GM |
91 | ;; -visit FILE |
92 | ;; --visit FILE | |
93 | ;; -file FILE | |
94 | ;; --file FILE | |
ab30fc8a RS |
95 | ;; |
96 | ;; -L DIRNAME Add DIRNAME to load-path | |
97 | ;; -directory DIRNAME | |
98 | ;; --directory DIRNAME | |
99 | ;; | |
100 | ;; -l FILE Load and execute the Emacs lisp code | |
101 | ;; -load FILE in FILE. | |
102 | ;; --load FILE | |
103 | ;; | |
104 | ;; -f FUNC Execute Emacs lisp function FUNC with | |
105 | ;; -funcall FUNC no arguments. The "-e" form is outdated | |
106 | ;; --funcall FUNC and should not be used. (It's a typo | |
107 | ;; -e FUNC promoted to a feature.) | |
108 | ;; | |
955093c9 EN |
109 | ;; -eval FORM Execute Emacs lisp form FORM. |
110 | ;; --eval FORM | |
dc2cd811 GM |
111 | ;; -execute EXPR |
112 | ;; --execute EXPR | |
e6b75e30 | 113 | ;; |
ab30fc8a RS |
114 | ;; -insert FILE Insert the contents of FILE into buffer. |
115 | ;; --insert FILE | |
116 | ;; ------------------------- | |
117 | ;; -kill Kill (exit) Emacs right away. | |
118 | ;; --kill | |
119 | ;; ------------------------- | |
a726e0d1 | 120 | |
630cc463 ER |
121 | ;;; Code: |
122 | ||
a726e0d1 JB |
123 | (setq top-level '(normal-top-level)) |
124 | ||
42a3e6fa RS |
125 | (defvar command-line-processed nil |
126 | "Non-nil once command line has been processed") | |
a726e0d1 | 127 | |
42a3e6fa RS |
128 | (defgroup initialization nil |
129 | "Emacs start-up procedure" | |
130 | :group 'internal) | |
131 | ||
132 | (defcustom inhibit-startup-message nil | |
1d7da582 | 133 | "*Non-nil inhibits the initial startup message. |
a726e0d1 | 134 | This is for use in your personal init file, once you are familiar |
42a3e6fa RS |
135 | with the contents of the startup message." |
136 | :type 'boolean | |
137 | :group 'initialization) | |
a726e0d1 | 138 | |
42a3e6fa | 139 | (defcustom inhibit-startup-echo-area-message nil |
1d7da582 | 140 | "*Non-nil inhibits the initial startup echo area message. |
42a3e6fa RS |
141 | Setting this variable takes effect |
142 | only if you do it with the customization buffer | |
94487c4e | 143 | or if your `.emacs' file contains a line of this form: |
54a003f7 | 144 | (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\") |
e5575c06 RS |
145 | If your `.emacs' file is byte-compiled, use the following form instead: |
146 | (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")) | |
1d7da582 | 147 | Thus, someone else using a copy of your `.emacs' file will see |
42a3e6fa RS |
148 | the startup message unless he personally acts to inhibit it." |
149 | :type '(choice (const :tag "Don't inhibit") | |
150 | (string :tag "Enter your user name, to inhibit")) | |
151 | :group 'initialization) | |
1d7da582 | 152 | |
42a3e6fa RS |
153 | (defcustom inhibit-default-init nil |
154 | "*Non-nil inhibits loading the `default' library." | |
155 | :type 'boolean | |
156 | :group 'initialization) | |
a726e0d1 | 157 | |
d7fa5aa2 | 158 | (defvar command-switch-alist nil |
a726e0d1 JB |
159 | "Alist of command-line switches. |
160 | Elements look like (SWITCH-STRING . HANDLER-FUNCTION). | |
161 | HANDLER-FUNCTION receives switch name as sole arg; | |
162 | remaining command-line args are in the variable `command-line-args-left'.") | |
163 | ||
860befc8 RS |
164 | (defvar command-line-args-left nil |
165 | "List of command-line args not yet processed.") | |
166 | ||
a726e0d1 JB |
167 | (defvar command-line-functions nil ;; lrs 7/31/89 |
168 | "List of functions to process unrecognized command-line arguments. | |
169 | Each function should access the dynamically bound variables | |
b4484ea8 | 170 | `argi' (the current argument) and `command-line-args-left' (the remaining |
a726e0d1 | 171 | arguments). The function should return non-nil only if it recognizes and |
b4484ea8 RS |
172 | processes `argi'. If it does so, it may consume successive arguments by |
173 | altering `command-line-args-left' to remove them.") | |
a726e0d1 | 174 | |
09a1077c RS |
175 | (defvar command-line-default-directory nil |
176 | "Default directory to use for command line arguments. | |
177 | This is normally copied from `default-directory' when Emacs starts.") | |
178 | ||
b3afdeb8 RS |
179 | ;;; This is here, rather than in x-win.el, so that we can ignore these |
180 | ;;; options when we are not using X. | |
46cfd295 | 181 | (defconst command-line-x-option-alist |
b3afdeb8 RS |
182 | '(("-bw" 1 x-handle-numeric-switch border-width) |
183 | ("-d" 1 x-handle-display) | |
184 | ("-display" 1 x-handle-display) | |
5676ab57 | 185 | ("-name" 1 x-handle-name-switch) |
2c3fef40 RS |
186 | ("-title" 1 x-handle-switch title) |
187 | ("-T" 1 x-handle-switch title) | |
b3afdeb8 RS |
188 | ("-r" 0 x-handle-switch reverse t) |
189 | ("-rv" 0 x-handle-switch reverse t) | |
190 | ("-reverse" 0 x-handle-switch reverse t) | |
191 | ("-reverse-video" 0 x-handle-switch reverse t) | |
192 | ("-fn" 1 x-handle-switch font) | |
193 | ("-font" 1 x-handle-switch font) | |
194 | ("-ib" 1 x-handle-numeric-switch internal-border-width) | |
1f7f78f1 | 195 | ("-g" 1 x-handle-geometry) |
9ff6bda1 | 196 | ("-lsp" 1 x-handle-numeric-switch line-spacing) |
1f7f78f1 | 197 | ("-geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
198 | ("-fg" 1 x-handle-switch foreground-color) |
199 | ("-foreground" 1 x-handle-switch foreground-color) | |
200 | ("-bg" 1 x-handle-switch background-color) | |
201 | ("-background" 1 x-handle-switch background-color) | |
202 | ("-ms" 1 x-handle-switch mouse-color) | |
203 | ("-itype" 0 x-handle-switch icon-type t) | |
204 | ("-i" 0 x-handle-switch icon-type t) | |
205 | ("-iconic" 0 x-handle-iconic) | |
206 | ("-xrm" 1 x-handle-xrm-switch) | |
207 | ("-cr" 1 x-handle-switch cursor-color) | |
208 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
209 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
210 | ("-bd" 1 x-handle-switch) | |
211 | ("--border-width" 1 x-handle-numeric-switch border-width) | |
212 | ("--display" 1 x-handle-display) | |
5676ab57 | 213 | ("--name" 1 x-handle-name-switch) |
7775acb8 | 214 | ("--title" 1 x-handle-switch title) |
b3afdeb8 RS |
215 | ("--reverse-video" 0 x-handle-switch reverse t) |
216 | ("--font" 1 x-handle-switch font) | |
217 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) | |
1f7f78f1 | 218 | ("--geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
219 | ("--foreground-color" 1 x-handle-switch foreground-color) |
220 | ("--background-color" 1 x-handle-switch background-color) | |
221 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
222 | ("--icon-type" 0 x-handle-switch icon-type t) | |
223 | ("--iconic" 0 x-handle-iconic) | |
224 | ("--xrm" 1 x-handle-xrm-switch) | |
225 | ("--cursor-color" 1 x-handle-switch cursor-color) | |
226 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
9ff6bda1 | 227 | ("--line-spacing" 1 x-handle-numeric-switch line-spacing) |
b3afdeb8 RS |
228 | ("--border-color" 1 x-handle-switch border-width)) |
229 | "Alist of X Windows options. | |
230 | Each element has the form | |
231 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
232 | where NAME is the option name string, NUMARGS is the number of arguments | |
233 | that the option accepts, HANDLER is a function to call to handle the option. | |
234 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
235 | and VALUE is the value which is given to that frame parameter | |
236 | \(most options use the argument for this, so VALUE is not present).") | |
237 | ||
e3bd99f5 | 238 | (defvar before-init-hook nil |
db3f571a | 239 | "Normal hook run after handling urgent options but before loading init files.") |
3fc958a4 | 240 | |
e3bd99f5 | 241 | (defvar after-init-hook nil |
db3f571a KH |
242 | "Normal hook run after loading the init files, `~/.emacs' and `default.el'. |
243 | There is no `condition-case' around the running of these functions; | |
244 | therefore, if you set `debug-on-error' non-nil in `.emacs', | |
245 | an error in one of these functions will invoke the debugger.") | |
246 | ||
247 | (defvar emacs-startup-hook nil | |
248 | "Normal hook run after loading init files and handling the command line.") | |
e3bd99f5 | 249 | |
a726e0d1 | 250 | (defvar term-setup-hook nil |
db3f571a KH |
251 | "Normal hook run after loading terminal-specific Lisp code. |
252 | It also follows `emacs-startup-hook'. This hook exists for users to set, | |
a726e0d1 JB |
253 | so as to override the definitions made by the terminal-specific file. |
254 | Emacs never sets this variable itself.") | |
255 | ||
256 | (defvar keyboard-type nil | |
b4484ea8 RS |
257 | "The brand of keyboard you are using. |
258 | This variable is used to define | |
a726e0d1 | 259 | the proper function and keypad keys for use under X. It is used in a |
94487c4e | 260 | fashion analogous to the environment variable TERM.") |
a726e0d1 JB |
261 | |
262 | (defvar window-setup-hook nil | |
b4484ea8 RS |
263 | "Normal hook run to initialize window system display. |
264 | Emacs runs this hook after processing the command line arguments and loading | |
265 | the user's init file.") | |
a726e0d1 | 266 | |
42a3e6fa RS |
267 | (defcustom initial-major-mode 'lisp-interaction-mode |
268 | "Major mode command symbol to use for the initial *scratch* buffer." | |
ce2f921e | 269 | :type 'function |
42a3e6fa | 270 | :group 'initialization) |
a726e0d1 | 271 | |
42a3e6fa | 272 | (defcustom init-file-user nil |
a726e0d1 | 273 | "Identity of user whose `.emacs' file is or was read. |
d7fa5aa2 RS |
274 | The value is nil if `-q' or `--no-init-file' was specified, |
275 | meaning do not load any init file. | |
276 | ||
277 | Otherwise, the value may be the null string, meaning use the init file | |
278 | for the user that originally logged in, or it may be a | |
279 | string containing a user's name meaning use that person's init file. | |
a726e0d1 | 280 | |
2bdfaa42 KH |
281 | In either of the latter cases, `(concat \"~\" init-file-user \"/\")' |
282 | evaluates to the name of the directory where the `.emacs' file was | |
13fce4e6 RS |
283 | looked for. |
284 | ||
285 | Setting `init-file-user' does not prevent Emacs from loading | |
42a3e6fa RS |
286 | `site-start.el'. The only way to do that is to use `--no-site-file'." |
287 | :type '(choice (const :tag "none" nil) string) | |
288 | :group 'initialization) | |
a726e0d1 | 289 | |
42a3e6fa | 290 | (defcustom site-run-file "site-start" |
b7444d31 RS |
291 | "File containing site-wide run-time initializations. |
292 | This file is loaded at run-time before `~/.emacs'. It contains inits | |
293 | that need to be in place for the entire site, but which, due to their | |
294 | higher incidence of change, don't make sense to load into emacs' | |
295 | dumped image. Thus, the run-time load order is: 1. file described in | |
13fce4e6 RS |
296 | this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'. |
297 | ||
298 | Don't use the `site-start.el' file for things some users may not like. | |
299 | Put them in `default.el' instead, so that users can more easily | |
300 | override them. Users can prevent loading `default.el' with the `-q' | |
301 | option or by setting `inhibit-default-init' in their own init files, | |
302 | but inhibiting `site-start.el' requires `--no-site-file', which | |
42a3e6fa | 303 | is less convenient." |
93812130 | 304 | :type '(choice (const :tag "none" nil) string) |
42a3e6fa | 305 | :group 'initialization) |
b7444d31 | 306 | |
42a3e6fa RS |
307 | (defcustom mail-host-address nil |
308 | "*Name of this machine, for purposes of naming users." | |
309 | :type '(choice (const nil) string) | |
310 | :group 'mail) | |
c13fbb62 | 311 | |
42a3e6fa | 312 | (defcustom user-mail-address nil |
452e9090 RS |
313 | "*Full mailing address of this user. |
314 | This is initialized based on `mail-host-address', | |
42a3e6fa RS |
315 | after your init file is read, in case it sets `mail-host-address'." |
316 | :type 'string | |
317 | :group 'mail) | |
c10d1f06 | 318 | |
42a3e6fa | 319 | (defcustom auto-save-list-file-prefix |
73f13e5a GM |
320 | (cond ((eq system-type 'ms-dos) |
321 | ;; MS-DOS cannot have initial dot, and allows only 8.3 names | |
4b33deaa | 322 | "~/_emacs.d/auto-save.list/_s") |
73f13e5a GM |
323 | (t |
324 | "~/.emacs.d/auto-save-list/.saves-")) | |
cdee38c3 KH |
325 | "Prefix for generating `auto-save-list-file-name'. |
326 | This is used after reading your `.emacs' file to initialize | |
327 | `auto-save-list-file-name', by appending Emacs's pid and the system name, | |
328 | if you have not already set `auto-save-list-file-name' yourself. | |
73f13e5a | 329 | Directories in the prefix will be created if necessary. |
cdee38c3 | 330 | Set this to nil if you want to prevent `auto-save-list-file-name' |
42a3e6fa | 331 | from being initialized." |
3671f444 KH |
332 | :type '(choice (const :tag "Don't record a session's auto save list" nil) |
333 | string) | |
42a3e6fa | 334 | :group 'auto-save) |
2e05d063 | 335 | |
a726e0d1 JB |
336 | (defvar init-file-debug nil) |
337 | ||
52320897 RS |
338 | (defvar init-file-had-error nil) |
339 | ||
95eada65 RS |
340 | (defvar normal-top-level-add-subdirs-inode-list nil) |
341 | ||
859e15c1 | 342 | (defun normal-top-level-add-subdirs-to-load-path () |
0412d833 RS |
343 | "Add all subdirectories of current directory to `load-path'. |
344 | More precisely, this uses only the subdirectories whose names | |
f734a13e DL |
345 | start with letters or digits; it excludes any subdirectory named `RCS' |
346 | or `CVS', and any subdirectory that contains a file named `.nosearch'." | |
859e15c1 | 347 | (let (dirs |
95eada65 | 348 | attrs |
859e15c1 KH |
349 | (pending (list default-directory))) |
350 | ;; This loop does a breadth-first tree walk on DIR's subtree, | |
351 | ;; putting each subdir into DIRS as its contents are examined. | |
352 | (while pending | |
353 | (setq dirs (cons (car pending) dirs)) | |
354 | (setq pending (cdr pending)) | |
95eada65 | 355 | (setq attrs (nthcdr 10 (file-attributes (car dirs)))) |
859e15c1 KH |
356 | (let ((contents (directory-files (car dirs))) |
357 | (default-directory (car dirs))) | |
95eada65 RS |
358 | (unless (member attrs normal-top-level-add-subdirs-inode-list) |
359 | (setq normal-top-level-add-subdirs-inode-list | |
360 | (cons attrs normal-top-level-add-subdirs-inode-list)) | |
361 | (while contents | |
362 | (unless (member (car contents) '("." ".." "RCS" "CVS")) | |
363 | (when (and (string-match "\\`[a-zA-Z0-9]" (car contents)) | |
9d1fb179 RS |
364 | ;; Avoid doing a `stat' when it isn't necessary |
365 | ;; because that can cause trouble when an NFS server | |
366 | ;; is down. | |
367 | (not (string-match "\\.elc?\\'" (car contents))) | |
95eada65 RS |
368 | (file-directory-p (car contents))) |
369 | (let ((expanded (expand-file-name (car contents)))) | |
370 | (unless (file-exists-p (expand-file-name ".nosearch" | |
371 | expanded)) | |
372 | (setq pending (nconc pending (list expanded))))))) | |
373 | (setq contents (cdr contents)))))) | |
bb15e81a | 374 | (normal-top-level-add-to-load-path (cdr (nreverse dirs))))) |
859e15c1 | 375 | |
537b6e4e RS |
376 | ;; This function is called from a subdirs.el file. |
377 | ;; It assumes that default-directory is the directory | |
378 | ;; in which the subdirs.el file exists, | |
379 | ;; and it adds to load-path the subdirs of that directory | |
380 | ;; as specified in DIRS. Normally the elements of DIRS are relative. | |
e87a7309 | 381 | (defun normal-top-level-add-to-load-path (dirs) |
cd1c10f6 RS |
382 | (let ((tail load-path) |
383 | (thisdir (directory-file-name default-directory))) | |
384 | (while (and tail | |
138e541f GM |
385 | ;;Don't go all the way to the nil terminator. |
386 | (cdr tail) | |
cd1c10f6 RS |
387 | (not (equal thisdir (car tail))) |
388 | (not (and (memq system-type '(ms-dos windows-nt)) | |
389 | (equal (downcase thisdir) (downcase (car tail)))))) | |
390 | (setq tail (cdr tail))) | |
138e541f GM |
391 | ;;Splice the new section in. |
392 | (when tail | |
393 | (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail)))))) | |
e87a7309 | 394 | |
a726e0d1 JB |
395 | (defun normal-top-level () |
396 | (if command-line-processed | |
397 | (message "Back to top level.") | |
398 | (setq command-line-processed t) | |
8d4c2221 RS |
399 | ;; Give *Messages* the same default-directory as *scratch*, |
400 | ;; just to keep things predictable. | |
401 | (let ((dir default-directory)) | |
402 | (save-excursion | |
403 | (set-buffer (get-buffer "*Messages*")) | |
404 | (setq default-directory dir))) | |
80d71556 KH |
405 | ;; For root, preserve owner and group when editing files. |
406 | (if (equal (user-uid) 0) | |
407 | (setq backup-by-copying-when-mismatch t)) | |
e87a7309 RS |
408 | ;; Look in each dir in load-path for a subdirs.el file. |
409 | ;; If we find one, load it, which will add the appropriate subdirs | |
410 | ;; of that dir into load-path, | |
411 | (let ((tail load-path) | |
412 | new) | |
413 | (while tail | |
414 | (setq new (cons (car tail) new)) | |
bbfc7591 GM |
415 | (condition-case nil |
416 | (let ((default-directory (car tail))) | |
417 | (load (expand-file-name "subdirs.el" (car tail)) t t t))) | |
e87a7309 | 418 | (setq tail (cdr tail)))) |
ffd56f97 | 419 | (if (not (eq system-type 'vax-vms)) |
a4b33896 JB |
420 | (progn |
421 | ;; If the PWD environment variable isn't accurate, delete it. | |
422 | (let ((pwd (getenv "PWD"))) | |
423 | (and (stringp pwd) | |
424 | ;; Use FOO/., so that if FOO is a symlink, file-attributes | |
425 | ;; describes the directory linked to, not FOO itself. | |
426 | (or (equal (file-attributes | |
427 | (concat (file-name-as-directory pwd) ".")) | |
428 | (file-attributes | |
429 | (concat (file-name-as-directory default-directory) | |
430 | "."))) | |
431 | (setq process-environment | |
432 | (delete (concat "PWD=" pwd) | |
433 | process-environment))))))) | |
492878e4 | 434 | (setq default-directory (abbreviate-file-name default-directory)) |
6f2c86fa KH |
435 | (let ((menubar-bindings-done nil)) |
436 | (unwind-protect | |
437 | (command-line) | |
438 | ;; Do this again, in case .emacs defined more abbreviations. | |
439 | (setq default-directory (abbreviate-file-name default-directory)) | |
b3c7c12c RS |
440 | ;; Specify the file for recording all the auto save files of this session. |
441 | ;; This is used by recover-session. | |
cdee38c3 KH |
442 | (or auto-save-list-file-name |
443 | (and auto-save-list-file-prefix | |
444 | (setq auto-save-list-file-name | |
1f7f78f1 RS |
445 | ;; Under MS-DOS our PID is almost always reused between |
446 | ;; Emacs invocations. We need something more unique. | |
4b33deaa EZ |
447 | (cond ((eq system-type 'ms-dos) |
448 | ;; We are going to access the auto-save | |
449 | ;; directory, so make sure it exists. | |
450 | (make-directory | |
451 | (file-name-directory auto-save-list-file-prefix) | |
452 | t) | |
453 | (concat | |
454 | (make-temp-name | |
455 | (expand-file-name | |
456 | auto-save-list-file-prefix)) | |
457 | "~")) | |
458 | (t | |
459 | (expand-file-name | |
460 | (format "%s%d-%s~" | |
461 | auto-save-list-file-prefix | |
462 | (emacs-pid) | |
463 | (system-name)))))))) | |
6f2c86fa KH |
464 | (run-hooks 'emacs-startup-hook) |
465 | (and term-setup-hook | |
466 | (run-hooks 'term-setup-hook)) | |
467 | ;; Modify the initial frame based on what .emacs puts into | |
468 | ;; ...-frame-alist. | |
469 | (if (fboundp 'frame-notice-user-settings) | |
470 | (frame-notice-user-settings)) | |
471 | ;; Now we know the user's default font, so add it to the menu. | |
472 | (if (fboundp 'font-menu-add-default) | |
473 | (font-menu-add-default)) | |
474 | (and window-setup-hook | |
475 | (run-hooks 'window-setup-hook)) | |
476 | (or menubar-bindings-done | |
2da0d7db | 477 | (if (memq window-system '(x w32)) |
365636dc | 478 | (precompute-menubar-bindings))))))) |
6f2c86fa KH |
479 | |
480 | ;; Precompute the keyboard equivalents in the menu bar items. | |
481 | (defun precompute-menubar-bindings () | |
365636dc RS |
482 | (let ((submap (lookup-key global-map [menu-bar]))) |
483 | (while submap | |
484 | (and (consp (car submap)) | |
485 | (symbolp (car (car submap))) | |
486 | (stringp (car-safe (cdr (car submap)))) | |
487 | (keymapp (cdr (cdr (car submap)))) | |
a18042d7 RS |
488 | (progn |
489 | (x-popup-menu nil (cdr (cdr (car submap)))) | |
490 | (if purify-flag | |
491 | (garbage-collect)))) | |
365636dc RS |
492 | (setq submap (cdr submap)))) |
493 | (setq define-key-rebound-commands t)) | |
a726e0d1 JB |
494 | |
495 | (defun command-line () | |
09a1077c RS |
496 | (setq command-line-default-directory default-directory) |
497 | ||
849eedba RS |
498 | ;; Choose a reasonable location for temporary files. |
499 | (setq temporary-file-directory | |
500 | (file-name-as-directory | |
501 | (cond ((memq system-type '(ms-dos windows-nt)) | |
502 | (or (getenv "TEMP") (getenv "TMPDIR") (getenv "TMP") "c:/temp")) | |
503 | ((memq system-type '(vax-vms axp-vms)) | |
504 | (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "SYS$SCRATCH:")) | |
505 | (t | |
506 | (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "/tmp"))))) | |
607f86f5 EZ |
507 | (setq small-temporary-file-directory |
508 | (if (eq system-type 'ms-dos) | |
f5568df0 | 509 | (getenv "TMPDIR"))) |
849eedba | 510 | |
74f2ab06 | 511 | ;; See if we should import version-control from the environment variable. |
a726e0d1 JB |
512 | (let ((vc (getenv "VERSION_CONTROL"))) |
513 | (cond ((eq vc nil)) ;don't do anything if not set | |
514 | ((or (string= vc "t") | |
515 | (string= vc "numbered")) | |
516 | (setq version-control t)) | |
517 | ((or (string= vc "nil") | |
518 | (string= vc "existing")) | |
519 | (setq version-control nil)) | |
520 | ((or (string= vc "never") | |
521 | (string= vc "simple")) | |
522 | (setq version-control 'never)))) | |
523 | ||
64ed733a | 524 | (set-locale-environment nil) |
e9d8e8c7 | 525 | |
79058860 JB |
526 | ;;! This has been commented out; I currently find the behavior when |
527 | ;;! split-window-keep-point is nil disturbing, but if I can get used | |
528 | ;;! to it, then it would be better to eliminate the option. | |
529 | ;;! ;; Choose a good default value for split-window-keep-point. | |
530 | ;;! (setq split-window-keep-point (> baud-rate 2400)) | |
f35fe3c6 | 531 | |
d4308a4d EZ |
532 | ;; Set the default strings to display in mode line for |
533 | ;; end-of-line formats that aren't native to this platform. | |
534 | (cond | |
535 | ((memq system-type '(ms-dos windows-nt emx)) | |
536 | (setq eol-mnemonic-unix "(Unix)") | |
537 | (setq eol-mnemonic-mac "(Mac)")) | |
538 | ;; Mac-specific settings should come here, once there's a | |
539 | ;; system-type symbol specific to MacOS. | |
540 | (t ; this is for Unix/GNU/Linux systems | |
541 | (setq eol-mnemonic-dos "(DOS)") | |
542 | (setq eol-mnemonic-mac "(Mac)"))) | |
543 | ||
a726e0d1 | 544 | ;; Read window system's init file if using a window system. |
1ed14cfd RS |
545 | (condition-case error |
546 | (if (and window-system (not noninteractive)) | |
547 | (load (concat term-file-prefix | |
548 | (symbol-name window-system) | |
549 | "-win") | |
550 | ;; Every window system should have a startup file; | |
551 | ;; barf if we can't find it. | |
552 | nil t)) | |
553 | ;; If we can't read it, print the error message and exit. | |
554 | (error | |
2677ad61 RS |
555 | (princ |
556 | (if (eq (car error) 'error) | |
557 | (apply 'concat (cdr error)) | |
558 | (if (memq 'file-error (get (car error) 'error-conditions)) | |
559 | (format "%s: %s" | |
560 | (nth 1 error) | |
561 | (mapconcat '(lambda (obj) (prin1-to-string obj t)) | |
562 | (cdr (cdr error)) ", ")) | |
563 | (format "%s: %s" | |
564 | (get (car error) 'error-message) | |
565 | (mapconcat '(lambda (obj) (prin1-to-string obj t)) | |
566 | (cdr error) ", ")))) | |
567 | 'external-debugging-output) | |
568 | (setq window-system nil) | |
1ed14cfd | 569 | (kill-emacs))) |
a726e0d1 | 570 | |
03e3c30a JB |
571 | (let ((done nil) |
572 | (args (cdr command-line-args))) | |
573 | ||
a726e0d1 JB |
574 | ;; Figure out which user's init file to load, |
575 | ;; either from the environment or from the options. | |
576 | (setq init-file-user (if noninteractive nil (user-login-name))) | |
577 | ;; If user has not done su, use current $HOME to find .emacs. | |
578 | (and init-file-user (string= init-file-user (user-real-login-name)) | |
579 | (setq init-file-user "")) | |
03e3c30a JB |
580 | |
581 | ;; Process the command-line args, and delete the arguments | |
582 | ;; processed. This is consistent with the way main in emacs.c | |
583 | ;; does things. | |
a726e0d1 | 584 | (while (and (not done) args) |
096b7031 | 585 | (let ((longopts '(("--no-init-file") ("--no-site-file") ("--user") |
a360cae9 | 586 | ("--debug-init") ("--iconic") ("--icon-type"))) |
096b7031 KH |
587 | (argi (car args)) |
588 | (argval nil)) | |
452e9090 RS |
589 | ;; Handle --OPTION=VALUE format. |
590 | (if (and (string-match "\\`--" argi) | |
591 | (string-match "=" argi)) | |
a981e7ff KH |
592 | (setq argval (substring argi (match-end 0)) |
593 | argi (substring argi 0 (match-beginning 0)))) | |
f7ad212d RS |
594 | (or (equal argi "--") |
595 | (let ((completion (try-completion argi longopts))) | |
596 | (if (eq completion t) | |
597 | (setq argi (substring argi 1)) | |
598 | (if (stringp completion) | |
599 | (let ((elt (assoc completion longopts))) | |
600 | (or elt | |
601 | (error "Option `%s' is ambiguous" argi)) | |
602 | (setq argi (substring (car elt) 1))) | |
603 | (setq argval nil))))) | |
a726e0d1 JB |
604 | (cond |
605 | ((or (string-equal argi "-q") | |
606 | (string-equal argi "-no-init-file")) | |
607 | (setq init-file-user nil | |
608 | args (cdr args))) | |
609 | ((or (string-equal argi "-u") | |
610 | (string-equal argi "-user")) | |
096b7031 | 611 | (or argval |
d3bea05f RS |
612 | (setq args (cdr args) |
613 | argval (car args))) | |
096b7031 KH |
614 | (setq init-file-user argval |
615 | argval nil | |
a726e0d1 | 616 | args (cdr args))) |
b7444d31 RS |
617 | ((string-equal argi "-no-site-file") |
618 | (setq site-run-file nil | |
619 | args (cdr args))) | |
a726e0d1 JB |
620 | ((string-equal argi "-debug-init") |
621 | (setq init-file-debug t | |
622 | args (cdr args))) | |
a360cae9 RS |
623 | ((string-equal argi "-iconic") |
624 | (setq initial-frame-alist | |
625 | (cons '(visibility . icon) initial-frame-alist)) | |
626 | (setq args (cdr args))) | |
627 | ((or (string-equal argi "-icon-type") | |
628 | (string-equal argi "-i") | |
629 | (string-equal argi "-itype")) | |
630 | (setq default-frame-alist | |
631 | (cons '(icon-type . t) default-frame-alist)) | |
632 | (setq args (cdr args))) | |
096b7031 KH |
633 | (t (setq done t))) |
634 | ;; Was argval set but not used? | |
635 | (and argval | |
636 | (error "Option `%s' doesn't allow an argument" argi)))) | |
637 | ||
03e3c30a | 638 | ;; Re-attach the program name to the front of the arg list. |
4048e56d | 639 | (and command-line-args (setcdr command-line-args args))) |
a726e0d1 | 640 | |
c722566c | 641 | ;; Under X Windows, this creates the X frame and deletes the terminal frame. |
853ccbd5 RS |
642 | (if (fboundp 'frame-initialize) |
643 | (frame-initialize)) | |
1fe0333f | 644 | ;; If frame was created with a menu bar, set menu-bar-mode on. |
2da0d7db | 645 | (if (or (not (memq window-system '(x w32))) |
3ede3ece | 646 | (> (cdr (assq 'menu-bar-lines (frame-parameters))) 0)) |
1fe0333f | 647 | (menu-bar-mode t)) |
c722566c | 648 | |
e3bd99f5 | 649 | (run-hooks 'before-init-hook) |
3fc958a4 | 650 | |
09973c54 RM |
651 | ;; Run the site-start library if it exists. The point of this file is |
652 | ;; that it is run before .emacs. There is no point in doing this after | |
653 | ;; .emacs; that is useless. | |
b7444d31 RS |
654 | (if site-run-file |
655 | (load site-run-file t t)) | |
09973c54 | 656 | |
a041ba97 | 657 | ;; Register available input methods by loading LEIM list file. |
f3203589 KH |
658 | (load "leim-list.el" 'noerror 'nomessage 'nosuffix) |
659 | ||
8a988f45 RS |
660 | ;; Sites should not disable this. Only individuals should disable |
661 | ;; the startup message. | |
662 | (setq inhibit-startup-message nil) | |
663 | ||
a726e0d1 | 664 | ;; Load that user's init file, or the default one, or none. |
3d1b78f0 RS |
665 | (let (debug-on-error-from-init-file |
666 | debug-on-error-should-be-set | |
667 | (debug-on-error-initial | |
a460d4e3 RS |
668 | (if (eq init-file-debug t) 'startup init-file-debug)) |
669 | (orig-enable-multibyte default-enable-multibyte-characters)) | |
3d1b78f0 RS |
670 | (let ((debug-on-error debug-on-error-initial) |
671 | ;; This function actually reads the init files. | |
672 | (inner | |
673 | (function | |
674 | (lambda () | |
675 | (if init-file-user | |
042dc034 | 676 | (let ((user-init-file-1 |
a4c5c705 RS |
677 | (cond |
678 | ((eq system-type 'ms-dos) | |
679 | (concat "~" init-file-user "/_emacs")) | |
7d1aa45d | 680 | ((eq system-type 'windows-nt) |
06789559 | 681 | (if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$") |
521736d1 RS |
682 | "~/.emacs" |
683 | "~/_emacs")) | |
a4c5c705 RS |
684 | ((eq system-type 'vax-vms) |
685 | "sys$login:.emacs") | |
686 | (t | |
042dc034 KH |
687 | (concat "~" init-file-user "/.emacs"))))) |
688 | ;; This tells `load' to store the file name found | |
689 | ;; into user-init-file. | |
690 | (setq user-init-file t) | |
691 | (load user-init-file-1 t t) | |
694e6b24 KH |
692 | ;; If we did not find the user's init file, |
693 | ;; set user-init-file conclusively to nil; | |
694 | ;; don't let it be set from default.el. | |
695 | (if (eq user-init-file t) | |
696 | (setq user-init-file nil)) | |
46cfd295 DL |
697 | ;; If we loaded a compiled file, set |
698 | ;; `user-init-file' to the source version if that | |
699 | ;; exists. | |
700 | (if (and user-init-file | |
701 | (equal (file-name-extension user-init-file) | |
702 | "elc")) | |
703 | (let ((el (concat (file-name-sans-extension | |
704 | user-init-file) | |
705 | ".el"))) | |
706 | (if (file-exists-p el) | |
707 | (setq user-init-file el)))) | |
a4c5c705 RS |
708 | (or inhibit-default-init |
709 | (let ((inhibit-startup-message nil)) | |
710 | ;; Users are supposed to be told their rights. | |
711 | ;; (Plus how to get help and how to undo.) | |
712 | ;; Don't you dare turn this off for anyone | |
713 | ;; except yourself. | |
714 | (load "default" t t))))))))) | |
3d1b78f0 RS |
715 | (if init-file-debug |
716 | ;; Do this without a condition-case if the user wants to debug. | |
717 | (funcall inner) | |
718 | (condition-case error | |
719 | (progn | |
720 | (funcall inner) | |
721 | (setq init-file-had-error nil)) | |
722 | (error (message "Error in init file: %s%s%s" | |
723 | (get (car error) 'error-message) | |
ad2aeb8d | 724 | (if (cdr error) ": " "") |
3d1b78f0 RS |
725 | (mapconcat 'prin1-to-string (cdr error) ", ")) |
726 | (setq init-file-had-error t)))) | |
ad2aeb8d | 727 | ;; If we can tell that the init file altered debug-on-error, |
3d1b78f0 RS |
728 | ;; arrange to preserve the value that it set up. |
729 | (or (eq debug-on-error debug-on-error-initial) | |
730 | (setq debug-on-error-should-be-set t | |
731 | debug-on-error-from-init-file debug-on-error))) | |
732 | (if debug-on-error-should-be-set | |
a460d4e3 RS |
733 | (setq debug-on-error debug-on-error-from-init-file)) |
734 | (unless (or default-enable-multibyte-characters | |
735 | (eq orig-enable-multibyte default-enable-multibyte-characters)) | |
736 | ;; Init file changed to unibyte. Reset existing multibyte | |
737 | ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*). | |
738 | ;; Arguably this should only be done if they're free of | |
739 | ;; multibyte characters. | |
740 | (mapcar (lambda (buffer) | |
741 | (with-current-buffer buffer | |
742 | (if enable-multibyte-characters | |
743 | (set-buffer-multibyte nil)))) | |
744 | (buffer-list)) | |
745 | ;; Also re-set the language environment in case it was | |
746 | ;; originally done before unibyte was set and is sensitive to | |
747 | ;; unibyte (display table, terminal coding system &c). | |
748 | (set-language-environment current-language-environment))) | |
3fc958a4 | 749 | |
556f7d77 RS |
750 | ;; Do this here in case the init file sets mail-host-address. |
751 | (or user-mail-address | |
752 | (setq user-mail-address (concat (user-login-name) "@" | |
753 | (or mail-host-address | |
754 | (system-name))))) | |
755 | ||
e3bd99f5 RM |
756 | (run-hooks 'after-init-hook) |
757 | ||
a726e0d1 JB |
758 | ;; If *scratch* exists and init file didn't change its mode, initialize it. |
759 | (if (get-buffer "*scratch*") | |
760 | (save-excursion | |
761 | (set-buffer "*scratch*") | |
762 | (if (eq major-mode 'fundamental-mode) | |
763 | (funcall initial-major-mode)))) | |
e724900d GM |
764 | |
765 | ;; Register default TTY colors for the case the terminal hasn't a | |
f795f633 EZ |
766 | ;; terminal init file. |
767 | (or (memq window-system '(x w32)) | |
768 | (not (tty-display-color-p)) | |
429fc14f JR |
769 | (let* ((colors (cond ((eq window-system 'pc) |
770 | msdos-color-values) | |
771 | ((eq system-type 'windows-nt) | |
772 | w32-tty-standard-colors) | |
773 | (t tty-standard-colors))) | |
f795f633 | 774 | (color (car colors))) |
3606b4da | 775 | (while colors |
f795f633 EZ |
776 | (tty-color-define (car color) (cadr color) (cddr color)) |
777 | (setq colors (cdr colors) color (car colors))))) | |
e724900d | 778 | |
a726e0d1 JB |
779 | ;; Load library for our terminal type. |
780 | ;; User init file can set term-file-prefix to nil to prevent this. | |
781 | (and term-file-prefix (not noninteractive) (not window-system) | |
782 | (let ((term (getenv "TERM")) | |
783 | hyphend) | |
784 | (while (and term | |
785 | (not (load (concat term-file-prefix term) t t))) | |
786 | ;; Strip off last hyphen and what follows, then try again | |
787 | (if (setq hyphend (string-match "[-_][^-_]+$" term)) | |
788 | (setq term (substring term 0 hyphend)) | |
789 | (setq term nil))))) | |
790 | ||
03e3c30a | 791 | ;; Process the remaining args. |
a726e0d1 JB |
792 | (command-line-1 (cdr command-line-args)) |
793 | ||
794 | ;; If -batch, terminate after processing the command options. | |
795 | (if noninteractive (kill-emacs t))) | |
796 | ||
46cfd295 | 797 | (defcustom initial-scratch-message (purecopy "\ |
3b79c219 GM |
798 | ;; This buffer is for notes you don't want to save, and for Lisp evaluation. |
799 | ;; If you want to create a file, visit that file with C-x C-f, | |
800 | ;; then enter the text in that file's own buffer. | |
9fe3219e | 801 | |
46cfd295 | 802 | ") |
9fe3219e RS |
803 | "Initial message displayed in *scratch* buffer at startup. |
804 | If this is nil, no message will be displayed." | |
805 | :type 'string) | |
806 | ||
a726e0d1 | 807 | (defun command-line-1 (command-line-args-left) |
52320897 | 808 | (or noninteractive (input-pending-p) init-file-had-error |
1d7da582 | 809 | (and inhibit-startup-echo-area-message |
341ce5a7 | 810 | user-init-file |
42a3e6fa RS |
811 | (or (and (get 'inhibit-startup-echo-area-message 'saved-value) |
812 | (equal inhibit-startup-echo-area-message | |
d9a71a8f RS |
813 | (if (string= init-file-user "") |
814 | (user-login-name) | |
815 | init-file-user))) | |
42a3e6fa RS |
816 | ;; Wasn't set with custom; see if .emacs has a setq. |
817 | (let ((buffer (get-buffer-create " *temp*"))) | |
818 | (prog1 | |
819 | (condition-case nil | |
820 | (save-excursion | |
821 | (set-buffer buffer) | |
822 | (insert-file-contents user-init-file) | |
823 | (re-search-forward | |
824 | (concat | |
825 | "([ \t\n]*setq[ \t\n]+" | |
826 | "inhibit-startup-echo-area-message[ \t\n]+" | |
827 | (regexp-quote | |
828 | (prin1-to-string | |
829 | (if (string= init-file-user "") | |
830 | (user-login-name) | |
831 | init-file-user))) | |
832 | "[ \t\n]*)") | |
833 | nil t)) | |
834 | (error nil)) | |
835 | (kill-buffer buffer))))) | |
1d7da582 RS |
836 | (message (if (eq (key-binding "\C-h\C-p") 'describe-project) |
837 | "For information about the GNU Project and its goals, type C-h C-p." | |
838 | (substitute-command-keys | |
839 | "For information about the GNU Project and its goals, type \\[describe-project].")))) | |
a726e0d1 JB |
840 | (if (null command-line-args-left) |
841 | (cond ((and (not inhibit-startup-message) (not noninteractive) | |
842 | ;; Don't clobber a non-scratch buffer if init file | |
843 | ;; has selected it. | |
8baabd2a | 844 | (string= (buffer-name) "*scratch*")) |
a726e0d1 JB |
845 | ;; If there are no switches to process, we might as well |
846 | ;; run this hook now, and there may be some need to do it | |
847 | ;; before doing any output. | |
848 | (and term-setup-hook | |
849 | (run-hooks 'term-setup-hook)) | |
850 | ;; Don't let the hook be run twice. | |
851 | (setq term-setup-hook nil) | |
4e1b1e72 JB |
852 | |
853 | ;; It's important to notice the user settings before we | |
854 | ;; display the startup message; otherwise, the settings | |
855 | ;; won't take effect until the user gives the first | |
856 | ;; keystroke, and that's distracting. | |
857 | (if (fboundp 'frame-notice-user-settings) | |
858 | (frame-notice-user-settings)) | |
859 | ||
a726e0d1 JB |
860 | (and window-setup-hook |
861 | (run-hooks 'window-setup-hook)) | |
862 | (setq window-setup-hook nil) | |
fd11871a RS |
863 | ;; Do this now to avoid an annoying delay if the user |
864 | ;; clicks the menu bar during the sit-for. | |
e724900d GM |
865 | (when (memq window-system '(x w32)) |
866 | (precompute-menubar-bindings)) | |
fd11871a | 867 | (setq menubar-bindings-done t) |
f862008d RS |
868 | (when (= (buffer-size) 0) |
869 | (let ((buffer-undo-list t)) | |
870 | (unwind-protect | |
8baabd2a | 871 | (when (not (input-pending-p)) |
f862008d RS |
872 | (goto-char (point-max)) |
873 | ;; The convention for this piece of code is that | |
874 | ;; each piece of output starts with one or two newlines | |
875 | ;; and does not end with any newlines. | |
876 | (insert "Welcome to GNU Emacs") | |
877 | (if (eq system-type 'gnu/linux) | |
878 | (insert ", one component of a Linux-based GNU system.")) | |
879 | (insert "\n") | |
acfd1011 RS |
880 | (if (assq 'display (frame-parameters)) |
881 | (progn | |
882 | (insert "\ | |
7e766510 | 883 | The menu bar and scroll bar are sufficient for basic editing with the mouse. |
acfd1011 RS |
884 | |
885 | Useful Files menu items: | |
886 | Exit Emacs (or type Control-x followed by Control-c) | |
887 | Recover Session recover files you were editing before a crash | |
888 | ||
889 | Important Help menu items: | |
890 | Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently. | |
b11d37de | 891 | Emacs FAQ Frequently asked questions and answers |
acfd1011 RS |
892 | \(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY |
893 | Copying Conditions Conditions for redistributing and changing Emacs. | |
894 | Getting New Versions How to obtain the latest version of Emacs. | |
895 | ") | |
896 | (insert "\n\n" (emacs-version) | |
897 | " | |
95eada65 | 898 | Copyright (C) 1999 Free Software Foundation, Inc.")) |
acfd1011 RS |
899 | ;; If keys have their default meanings, |
900 | ;; use precomputed string to save lots of time. | |
901 | (if (and (eq (key-binding "\C-h") 'help-command) | |
902 | (eq (key-binding "\C-xu") 'advertised-undo) | |
903 | (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs) | |
904 | (eq (key-binding "\C-ht") 'help-with-tutorial) | |
905 | (eq (key-binding "\C-hi") 'info) | |
906 | (eq (key-binding "\C-h\C-n") 'view-emacs-news)) | |
907 | (insert " | |
3f5a3e12 RS |
908 | Get help C-h (Hold down CTRL and press h) |
909 | Undo changes C-x u Exit Emacs C-x C-c | |
910 | Get a tutorial C-h t Use Info to read docs C-h i") | |
acfd1011 RS |
911 | (insert (substitute-command-keys |
912 | (format "\n | |
3f5a3e12 RS |
913 | Get help %s |
914 | Undo changes \\[advertised-undo] | |
915 | Exit Emacs \\[save-buffers-kill-emacs] | |
916 | Get a tutorial \\[help-with-tutorial] | |
917 | Use Info to read docs \\[info]" | |
acfd1011 RS |
918 | (let ((where (where-is-internal |
919 | 'help-command nil t))) | |
920 | (if where | |
921 | (key-description where) | |
922 | "M-x help")))))) | |
923 | ;; Say how to use the menu bar | |
924 | ;; if that is not with the mouse. | |
925 | (if (and (eq (key-binding "\M-`") 'tmm-menubar) | |
926 | (eq (key-binding [f10]) 'tmm-menubar)) | |
927 | (insert " | |
3f5a3e12 | 928 | Activate menubar F10 or ESC ` or M-`") |
acfd1011 RS |
929 | (insert (substitute-command-keys " |
930 | Activate menubar \\[tmm-menubar]"))) | |
e65a6404 | 931 | |
f862008d RS |
932 | ;; Windows and MSDOS (currently) do not count as |
933 | ;; window systems, but do have mouse support. | |
acfd1011 RS |
934 | (if window-system |
935 | (insert " | |
3f5a3e12 | 936 | Mode-specific menu C-mouse-3 (third button, with CTRL)")) |
acfd1011 RS |
937 | ;; Many users seem to have problems with these. |
938 | (insert " | |
3f5a3e12 RS |
939 | \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key. |
940 | If you have no Meta key, you may instead type ESC followed by the character.)") | |
acfd1011 RS |
941 | (and auto-save-list-file-prefix |
942 | (directory-files | |
943 | (file-name-directory auto-save-list-file-prefix) | |
944 | nil | |
945 | (concat "\\`" | |
946 | (regexp-quote (file-name-nondirectory | |
947 | auto-save-list-file-prefix))) | |
948 | t) | |
949 | (insert "\n\nIf an Emacs session crashed recently, " | |
950 | "type M-x recover-session RET\nto recover" | |
951 | " the files you were editing.")) | |
952 | ||
953 | (insert "\n\n" (emacs-version) | |
954 | " | |
95eada65 | 955 | Copyright (C) 1999 Free Software Foundation, Inc.") |
acfd1011 RS |
956 | (if (and (eq (key-binding "\C-h\C-c") 'describe-copying) |
957 | (eq (key-binding "\C-h\C-d") 'describe-distribution) | |
958 | (eq (key-binding "\C-h\C-w") 'describe-no-warranty)) | |
959 | (insert | |
960 | "\n | |
a726e0d1 | 961 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details. |
70e00413 KH |
962 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies |
963 | of Emacs and modify it; type C-h C-c to see the conditions. | |
a726e0d1 | 964 | Type C-h C-d for information on getting the latest version.") |
acfd1011 RS |
965 | (insert (substitute-command-keys |
966 | "\n | |
a726e0d1 | 967 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details. |
70e00413 KH |
968 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies |
969 | of Emacs and modify it; type \\[describe-copying] to see the conditions. | |
acfd1011 | 970 | Type \\[describe-distribution] for information on getting the latest version.")))) |
f862008d | 971 | (goto-char (point-min)) |
fb3afe87 | 972 | |
f862008d RS |
973 | (set-buffer-modified-p nil) |
974 | (sit-for 120)) | |
975 | (with-current-buffer (get-buffer "*scratch*") | |
976 | (erase-buffer) | |
9fe3219e RS |
977 | (and initial-scratch-message |
978 | (insert initial-scratch-message)) | |
f862008d | 979 | (set-buffer-modified-p nil))))))) |
eca1cf26 RS |
980 | ;; Delay 2 seconds after the init file error message |
981 | ;; was displayed, so user can read it. | |
982 | (if init-file-had-error | |
983 | (sit-for 2)) | |
09a1077c | 984 | (let ((dir command-line-default-directory) |
a726e0d1 JB |
985 | (file-count 0) |
986 | first-file-buffer | |
14d9a663 RS |
987 | tem |
988 | just-files ;; t if this follows the magic -- option. | |
989 | ;; This includes our standard options' long versions | |
990 | ;; and long versions of what's on command-switch-alist. | |
991 | (longopts | |
992 | (append '(("--funcall") ("--load") ("--insert") ("--kill") | |
dc2cd811 GM |
993 | ("--directory") ("--eval") ("--execute") |
994 | ("--find-file") ("--visit") ("--file")) | |
14d9a663 RS |
995 | (mapcar '(lambda (elt) |
996 | (list (concat "-" (car elt)))) | |
997 | command-switch-alist))) | |
a726e0d1 | 998 | (line 0)) |
14d9a663 RS |
999 | |
1000 | ;; Add the long X options to longopts. | |
1001 | (setq tem command-line-x-option-alist) | |
1002 | (while tem | |
1003 | (if (string-match "^--" (car (car tem))) | |
1004 | (setq longopts (cons (list (car (car tem))) longopts))) | |
1005 | (setq tem (cdr tem))) | |
1006 | ||
1007 | ;; Loop, processing options. | |
1008 | (while (and command-line-args-left) | |
3f53ddd0 RS |
1009 | (let* ((argi (car command-line-args-left)) |
1010 | (orig-argi argi) | |
14d9a663 | 1011 | argval completion |
aba66e2a RS |
1012 | ;; List of directories specified in -L/--directory, |
1013 | ;; in reverse of the order specified. | |
1014 | extra-load-path | |
1015 | (initial-load-path load-path)) | |
a726e0d1 | 1016 | (setq command-line-args-left (cdr command-line-args-left)) |
3f53ddd0 | 1017 | |
14d9a663 RS |
1018 | ;; Do preliminary decoding of the option. |
1019 | (if just-files | |
1020 | ;; After --, don't look for options; treat all args as files. | |
1021 | (setq argi "") | |
1022 | ;; Convert long options to ordinary options | |
1023 | ;; and separate out an attached option argument into argval. | |
1024 | (if (string-match "^--[^=]*=" argi) | |
1025 | (setq argval (substring argi (match-end 0)) | |
1026 | argi (substring argi 0 (1- (match-end 0))))) | |
1027 | (if (equal argi "--") | |
1028 | (setq completion nil) | |
1029 | (setq completion (try-completion argi longopts))) | |
1030 | (if (eq completion t) | |
1031 | (setq argi (substring argi 1)) | |
1032 | (if (stringp completion) | |
1033 | (let ((elt (assoc completion longopts))) | |
1034 | (or elt | |
1035 | (error "Option `%s' is ambiguous" argi)) | |
1036 | (setq argi (substring (car elt) 1))) | |
1037 | (setq argval nil argi orig-argi)))) | |
3f53ddd0 RS |
1038 | |
1039 | ;; Execute the option. | |
a726e0d1 | 1040 | (cond ((setq tem (assoc argi command-switch-alist)) |
3f53ddd0 RS |
1041 | (if argval |
1042 | (let ((command-line-args-left | |
1043 | (cons argval command-line-args-left))) | |
1044 | (funcall (cdr tem) argi)) | |
1045 | (funcall (cdr tem) argi))) | |
dc2cd811 | 1046 | |
a726e0d1 JB |
1047 | ((or (string-equal argi "-f") ;what the manual claims |
1048 | (string-equal argi "-funcall") | |
1049 | (string-equal argi "-e")) ; what the source used to say | |
3f53ddd0 RS |
1050 | (if argval |
1051 | (setq tem (intern argval)) | |
1052 | (setq tem (intern (car command-line-args-left))) | |
1053 | (setq command-line-args-left (cdr command-line-args-left))) | |
1908c565 RS |
1054 | (if (arrayp (symbol-function tem)) |
1055 | (command-execute tem) | |
1056 | (funcall tem))) | |
dc2cd811 GM |
1057 | |
1058 | ((or (string-equal argi "-eval") | |
1059 | (string-equal argi "-execute")) | |
e6b75e30 RS |
1060 | (if argval |
1061 | (setq tem argval) | |
1062 | (setq tem (car command-line-args-left)) | |
1063 | (setq command-line-args-left (cdr command-line-args-left))) | |
955093c9 | 1064 | (eval (read tem))) |
aba66e2a | 1065 | ;; Set the default directory as specified in -L. |
dc2cd811 | 1066 | |
aba66e2a RS |
1067 | ((or (string-equal argi "-L") |
1068 | (string-equal argi "-directory")) | |
1069 | (if argval | |
1070 | (setq tem argval) | |
1071 | (setq tem (car command-line-args-left) | |
1072 | command-line-args-left (cdr command-line-args-left))) | |
47c7adae | 1073 | (setq tem (command-line-normalize-file-name tem)) |
aba66e2a RS |
1074 | (setq extra-load-path |
1075 | (cons (expand-file-name tem) extra-load-path)) | |
1076 | (setq load-path (append (nreverse extra-load-path) | |
1077 | initial-load-path))) | |
dc2cd811 | 1078 | |
a726e0d1 JB |
1079 | ((or (string-equal argi "-l") |
1080 | (string-equal argi "-load")) | |
3f53ddd0 RS |
1081 | (if argval |
1082 | (setq tem argval) | |
1083 | (setq tem (car command-line-args-left) | |
1084 | command-line-args-left (cdr command-line-args-left))) | |
47c7adae | 1085 | (let ((file (command-line-normalize-file-name tem))) |
a726e0d1 JB |
1086 | ;; Take file from default dir if it exists there; |
1087 | ;; otherwise let `load' search for it. | |
1088 | (if (file-exists-p (expand-file-name file)) | |
1089 | (setq file (expand-file-name file))) | |
3f53ddd0 | 1090 | (load file nil t))) |
dc2cd811 | 1091 | |
fbce8654 | 1092 | ((string-equal argi "-insert") |
3f53ddd0 RS |
1093 | (if argval |
1094 | (setq tem argval) | |
1095 | (setq tem (car command-line-args-left) | |
1096 | command-line-args-left (cdr command-line-args-left))) | |
2d2aae54 EN |
1097 | (or (stringp tem) |
1098 | (error "File name omitted from `-insert' option")) | |
47c7adae | 1099 | (insert-file-contents (command-line-normalize-file-name tem))) |
dc2cd811 | 1100 | |
a726e0d1 JB |
1101 | ((string-equal argi "-kill") |
1102 | (kill-emacs t)) | |
dc2cd811 | 1103 | |
a726e0d1 JB |
1104 | ((string-match "^\\+[0-9]+\\'" argi) |
1105 | (setq line (string-to-int argi))) | |
dc2cd811 | 1106 | |
b3afdeb8 RS |
1107 | ((setq tem (assoc argi command-line-x-option-alist)) |
1108 | ;; Ignore X-windows options and their args if not using X. | |
1109 | (setq command-line-args-left | |
1110 | (nthcdr (nth 1 tem) command-line-args-left))) | |
dc2cd811 | 1111 | |
14d9a663 | 1112 | ((or (string-equal argi "-find-file") |
dc2cd811 | 1113 | (string-equal argi "-file") |
14d9a663 RS |
1114 | (string-equal argi "-visit")) |
1115 | ;; An explicit option to specify visiting a file. | |
dc2cd811 GM |
1116 | (if argval |
1117 | (setq tem argval) | |
1118 | (setq tem (car command-line-args-left) | |
1119 | command-line-args-left (cdr command-line-args-left))) | |
1120 | (unless (stringp tem) | |
1121 | (error "File name omitted from `%s' option" argi)) | |
14d9a663 | 1122 | (setq file-count (1+ file-count)) |
dc2cd811 GM |
1123 | (let ((file (expand-file-name |
1124 | (command-line-normalize-file-name tem) dir))) | |
14d9a663 RS |
1125 | (if (= file-count 1) |
1126 | (setq first-file-buffer (find-file file)) | |
1127 | (find-file-other-window file))) | |
1128 | (or (zerop line) | |
1129 | (goto-line line)) | |
1130 | (setq line 0)) | |
dc2cd811 | 1131 | |
f7ad212d | 1132 | ((equal argi "--") |
14d9a663 | 1133 | (setq just-files t)) |
a726e0d1 JB |
1134 | (t |
1135 | ;; We have almost exhausted our options. See if the | |
1136 | ;; user has made any other command-line options available | |
1137 | (let ((hooks command-line-functions);; lrs 7/31/89 | |
1138 | (did-hook nil)) | |
1139 | (while (and hooks | |
1140 | (not (setq did-hook (funcall (car hooks))))) | |
1141 | (setq hooks (cdr hooks))) | |
1142 | (if (not did-hook) | |
1143 | ;; Ok, presume that the argument is a file name | |
1144 | (progn | |
7a79b90c RS |
1145 | (if (string-match "\\`-" argi) |
1146 | (error "Unknown option `%s'" argi)) | |
a726e0d1 | 1147 | (setq file-count (1+ file-count)) |
14d9a663 RS |
1148 | (let ((file |
1149 | (expand-file-name | |
1150 | (command-line-normalize-file-name orig-argi) | |
1151 | dir))) | |
1152 | (if (= file-count 1) | |
1153 | (setq first-file-buffer (find-file file)) | |
1154 | (find-file-other-window file))) | |
a726e0d1 JB |
1155 | (or (zerop line) |
1156 | (goto-line line)) | |
1157 | (setq line 0)))))))) | |
1158 | ;; If 3 or more files visited, and not all visible, | |
1159 | ;; show user what they all are. | |
ac707ebc RS |
1160 | (and (> file-count 2) |
1161 | (not noninteractive) | |
1162 | (or (get-buffer-window first-file-buffer) | |
1163 | (progn (other-window 1) | |
1164 | (buffer-menu))))))) | |
c88ab9ce | 1165 | |
47c7adae RS |
1166 | (defun command-line-normalize-file-name (file) |
1167 | "Collapse multiple slashes to one, to handle non-Emacs file names." | |
6b9e794f RS |
1168 | (save-match-data |
1169 | ;; Use arg 1 so that we don't collapse // at the start of the file name. | |
1170 | ;; That is significant on some systems. | |
1171 | ;; However, /// at the beginning is supposed to mean just /, not //. | |
1172 | (if (string-match "^///+" file) | |
1173 | (setq file (replace-match "/" t t file))) | |
1174 | (while (string-match "//+" file 1) | |
1175 | (setq file (replace-match "/" t t file))) | |
1176 | file)) | |
47c7adae | 1177 | |
c88ab9ce | 1178 | ;;; startup.el ends here |