;;; startup.el --- process Emacs shell arguments
-;; Copyright (C) 1985, 86, 92, 94, 95, 1996 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 86, 92, 94, 95, 96, 97, 1998, 1999 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
;; of these are also found in term/pc-win.el
;; -------------------------
;; FILE Visit FILE.
+;; -visit FILE
+;; --visit FILE
+;; -file FILE
+;; --file FILE
;;
;; -L DIRNAME Add DIRNAME to load-path
;; -directory DIRNAME
;;
;; -eval FORM Execute Emacs lisp form FORM.
;; --eval FORM
+;; -execute EXPR
+;; --execute EXPR
;;
;; -insert FILE Insert the contents of FILE into buffer.
;; --insert FILE
"*Non-nil inhibits the initial startup echo area message.
Setting this variable takes effect
only if you do it with the customization buffer
-or it your `.emacs' file contains a line of this form:
+or if your `.emacs' file contains a line of this form:
(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")
If your `.emacs' file is byte-compiled, use the following form instead:
(eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\"))
"The brand of keyboard you are using.
This variable is used to define
the proper function and keypad keys for use under X. It is used in a
-fashion analogous to the environment value TERM.")
+fashion analogous to the environment variable TERM.")
(defvar window-setup-hook nil
"Normal hook run to initialize window system display.
option or by setting `inhibit-default-init' in their own init files,
but inhibiting `site-start.el' requires `--no-site-file', which
is less convenient."
- :type 'string
+ :type '(choice (const :tag "none" nil) string)
:group 'initialization)
-(defconst iso-8859-n-locale-regexp "8859[-_]?\\([1-49]\\)"
- "Regexp that specifies when to enable an ISO 8859-N character set.
-We do that if this regexp matches the locale name
-specified by the LC_ALL, LC_CTYPE and LANG environment variables.
-The paren group in the regexp should match the specific character
-set number, N.")
-
(defcustom mail-host-address nil
"*Name of this machine, for purposes of naming users."
:type '(choice (const nil) string)
if you have not already set `auto-save-list-file-name' yourself.
Set this to nil if you want to prevent `auto-save-list-file-name'
from being initialized."
- :type 'string
+ :type '(choice (const :tag "Don't record a session's auto save list" nil)
+ string)
:group 'auto-save)
(defvar init-file-debug nil)
(defvar init-file-had-error nil)
-;; This function is called from the subdirs.el file.
+(defvar normal-top-level-add-subdirs-inode-list nil)
+
+(defun normal-top-level-add-subdirs-to-load-path ()
+ "Add all subdirectories of current directory to `load-path'.
+More precisely, this uses only the subdirectories whose names
+start with letters or digits; it excludes any subdirectory named `RCS'
+or `CVS', and any subdirectory that contains a file named `.nosearch'."
+ (let (dirs
+ attrs
+ (pending (list default-directory)))
+ ;; This loop does a breadth-first tree walk on DIR's subtree,
+ ;; putting each subdir into DIRS as its contents are examined.
+ (while pending
+ (setq dirs (cons (car pending) dirs))
+ (setq pending (cdr pending))
+ (setq attrs (nthcdr 10 (file-attributes (car dirs))))
+ (let ((contents (directory-files (car dirs)))
+ (default-directory (car dirs)))
+ (unless (member attrs normal-top-level-add-subdirs-inode-list)
+ (setq normal-top-level-add-subdirs-inode-list
+ (cons attrs normal-top-level-add-subdirs-inode-list))
+ (while contents
+ (unless (member (car contents) '("." ".." "RCS" "CVS"))
+ (when (and (string-match "\\`[a-zA-Z0-9]" (car contents))
+ ;; Avoid doing a `stat' when it isn't necessary
+ ;; because that can cause trouble when an NFS server
+ ;; is down.
+ (not (string-match "\\.elc?\\'" (car contents)))
+ (file-directory-p (car contents)))
+ (let ((expanded (expand-file-name (car contents))))
+ (unless (file-exists-p (expand-file-name ".nosearch"
+ expanded))
+ (setq pending (nconc pending (list expanded)))))))
+ (setq contents (cdr contents))))))
+ (normal-top-level-add-to-load-path (cdr (nreverse dirs)))))
+
+;; This function is called from a subdirs.el file.
+;; It assumes that default-directory is the directory
+;; in which the subdirs.el file exists,
+;; and it adds to load-path the subdirs of that directory
+;; as specified in DIRS. Normally the elements of DIRS are relative.
(defun normal-top-level-add-to-load-path (dirs)
- (let ((tail (or (member (directory-file-name default-directory) load-path)
- (member default-directory load-path))))
+ (let ((tail load-path)
+ (thisdir (directory-file-name default-directory)))
+ (while (and tail
+ (not (equal thisdir (car tail)))
+ (not (and (memq system-type '(ms-dos windows-nt))
+ (equal (downcase thisdir) (downcase (car tail))))))
+ (setq tail (cdr tail)))
(setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail)))))
(defun normal-top-level ()
(save-excursion
(set-buffer (get-buffer "*Messages*"))
(setq default-directory dir)))
+ ;; For root, preserve owner and group when editing files.
+ (if (equal (user-uid) 0)
+ (setq backup-by-copying-when-mismatch t))
;; Look in each dir in load-path for a subdirs.el file.
;; If we find one, load it, which will add the appropriate subdirs
;; of that dir into load-path,
(defun command-line ()
(setq command-line-default-directory default-directory)
+ ;; Choose a reasonable location for temporary files.
+ (setq temporary-file-directory
+ (file-name-as-directory
+ (cond ((memq system-type '(ms-dos windows-nt))
+ (or (getenv "TEMP") (getenv "TMPDIR") (getenv "TMP") "c:/temp"))
+ ((memq system-type '(vax-vms axp-vms))
+ (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "SYS$SCRATCH:"))
+ (t
+ (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "/tmp")))))
+ (setq small-temporary-file-directory
+ (if (eq system-type 'ms-dos)
+ (getenv "TMPDIR")))
+
;; See if we should import version-control from the environment variable.
(let ((vc (getenv "VERSION_CONTROL")))
(cond ((eq vc nil)) ;don't do anything if not set
(string= vc "simple"))
(setq version-control 'never))))
- (let ((ctype
- ;; Use the first of these three envvars that has a nonempty value.
- (or (let ((string (getenv "LC_ALL")))
- (and (not (equal string "")) string))
- (let ((string (getenv "LC_CTYPE")))
- (and (not (equal string "")) string))
- (let ((string (getenv "LANG")))
- (and (not (equal string "")) string)))))
- (when (and ctype
- (string-match iso-8859-n-locale-regexp ctype))
- (let (charset (which (match-string 1 ctype)))
- (if (equal "5" which)
- (setq which "9"))
- (setq charset (concat "latin-" which))
- ;; Set up for this character set in multibyte mode.
- (if (string-match "latin-[12345]" charset)
- (set-language-environment charset))
- (standard-display-european t charset))))
+ (set-locale-environment nil)
;;! This has been commented out; I currently find the behavior when
;;! split-window-keep-point is nil disturbing, but if I can get used
;;! ;; Choose a good default value for split-window-keep-point.
;;! (setq split-window-keep-point (> baud-rate 2400))
+ ;; Set the default strings to display in mode line for
+ ;; end-of-line formats that aren't native to this platform.
+ (cond
+ ((memq system-type '(ms-dos windows-nt emx))
+ (setq eol-mnemonic-unix "(Unix)")
+ (setq eol-mnemonic-mac "(Mac)"))
+ ;; Mac-specific settings should come here, once there's a
+ ;; system-type symbol specific to MacOS.
+ (t ; this is for Unix/GNU/Linux systems
+ (setq eol-mnemonic-dos "(DOS)")
+ (setq eol-mnemonic-mac "(Mac)")))
+
;; Read window system's init file if using a window system.
(condition-case error
(if (and window-system (not noninteractive))
(if site-run-file
(load site-run-file t t))
- ;; Register avairable input methods by loading LEIM list file.
+ ;; Register available input methods by loading LEIM list file.
(load "leim-list.el" 'noerror 'nomessage 'nosuffix)
;; Sites should not disable this. Only individuals should disable
(let (debug-on-error-from-init-file
debug-on-error-should-be-set
(debug-on-error-initial
- (if (eq init-file-debug t) 'startup init-file-debug)))
+ (if (eq init-file-debug t) 'startup init-file-debug))
+ (orig-enable-multibyte default-enable-multibyte-characters))
(let ((debug-on-error debug-on-error-initial)
;; This function actually reads the init files.
(inner
(function
(lambda ()
(if init-file-user
- (progn
- (setq user-init-file
+ (let ((user-init-file-1
(cond
((eq system-type 'ms-dos)
(concat "~" init-file-user "/_emacs"))
((eq system-type 'windows-nt)
- (if (file-exists-p "~/.emacs")
+ (if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$")
"~/.emacs"
"~/_emacs"))
((eq system-type 'vax-vms)
"sys$login:.emacs")
(t
- (concat "~" init-file-user "/.emacs"))))
- (load user-init-file t t t)
+ (concat "~" init-file-user "/.emacs")))))
+ ;; This tells `load' to store the file name found
+ ;; into user-init-file.
+ (setq user-init-file t)
+ (load user-init-file-1 t t)
+ ;; If we did not find the user's init file,
+ ;; set user-init-file conclusively to nil;
+ ;; don't let it be set from default.el.
+ (if (eq user-init-file t)
+ (setq user-init-file nil))
(or inhibit-default-init
(let ((inhibit-startup-message nil))
;; Users are supposed to be told their rights.
(setq debug-on-error-should-be-set t
debug-on-error-from-init-file debug-on-error)))
(if debug-on-error-should-be-set
- (setq debug-on-error debug-on-error-from-init-file)))
+ (setq debug-on-error debug-on-error-from-init-file))
+ (unless (or default-enable-multibyte-characters
+ (eq orig-enable-multibyte default-enable-multibyte-characters))
+ ;; Init file changed to unibyte. Reset existing multibyte
+ ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*).
+ ;; Arguably this should only be done if they're free of
+ ;; multibyte characters.
+ (mapcar (lambda (buffer)
+ (with-current-buffer buffer
+ (if enable-multibyte-characters
+ (set-buffer-multibyte nil))))
+ (buffer-list))
+ ;; Also re-set the language environment in case it was
+ ;; originally done before unibyte was set and is sensitive to
+ ;; unibyte (display table, terminal coding system &c).
+ (set-language-environment current-language-environment)))
;; Do this here in case the init file sets mail-host-address.
(or user-mail-address
(set-buffer "*scratch*")
(if (eq major-mode 'fundamental-mode)
(funcall initial-major-mode))))
+
+ ;; Register default TTY colors for the case the terminal hasn't a
+ ;; terminal init file. The colors are good for xterm-color and the
+ ;; FreeBSD console (cons.*). They should be sufficient for Linux
+ ;; too, I guess.
+ (or (eq window-system 'pc) ; pc-win.el did this already
+ (let ((colors '("black" "red" "green" "yellow" "blue" "magenta"
+ "cyan" "white"))
+ (i 0))
+ (while colors
+ (face-register-tty-color (car colors) i)
+ (setq colors (cdr colors) i (1+ i)))))
+
;; Load library for our terminal type.
;; User init file can set term-file-prefix to nil to prevent this.
(and term-file-prefix (not noninteractive) (not window-system)
(if noninteractive (kill-emacs t)))
(defcustom initial-scratch-message "\
-This buffer is for notes you don't want to save, and for Lisp evaluation.
-If you want to create a file, visit that file with C-x C-f,
-then enter the text in that file's own buffer.
+;; This buffer is for notes you don't want to save, and for Lisp evaluation.
+;; If you want to create a file, visit that file with C-x C-f,
+;; then enter the text in that file's own buffer.
"
"Initial message displayed in *scratch* buffer at startup.
(defun command-line-1 (command-line-args-left)
(or noninteractive (input-pending-p) init-file-had-error
(and inhibit-startup-echo-area-message
+ user-init-file
(or (and (get 'inhibit-startup-echo-area-message 'saved-value)
(equal inhibit-startup-echo-area-message
(if (string= init-file-user "")
"For information about the GNU Project and its goals, type C-h C-p."
(substitute-command-keys
"For information about the GNU Project and its goals, type \\[describe-project]."))))
+ (when (and (not noninteractive)
+ (memq window-system '(x w32)))
+ (make-mode-line-mouse-sensitive))
(if (null command-line-args-left)
(cond ((and (not inhibit-startup-message) (not noninteractive)
;; Don't clobber a non-scratch buffer if init file
(setq window-setup-hook nil)
;; Do this now to avoid an annoying delay if the user
;; clicks the menu bar during the sit-for.
- (if (memq window-system '(x w32))
- (precompute-menubar-bindings))
+ (when (memq window-system '(x w32))
+ (precompute-menubar-bindings))
(setq menubar-bindings-done t)
(when (= (buffer-size) 0)
(let ((buffer-undo-list t))
(if (eq system-type 'gnu/linux)
(insert ", one component of a Linux-based GNU system."))
(insert "\n")
- ;; If keys have their default meanings,
- ;; use precomputed string to save lots of time.
- (if (and (eq (key-binding "\C-h") 'help-command)
- (eq (key-binding "\C-xu") 'advertised-undo)
- (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
- (eq (key-binding "\C-ht") 'help-with-tutorial)
- (eq (key-binding "\C-hi") 'info)
- (eq (key-binding "\C-h\C-n") 'view-emacs-news))
- (insert "
+ (if (assq 'display (frame-parameters))
+ (progn
+ (insert "\
+The menu bar and scroll bar are sufficient for basic editing with the mouse.
+
+Useful Files menu items:
+Exit Emacs (or type Control-x followed by Control-c)
+Recover Session recover files you were editing before a crash
+
+Important Help menu items:
+Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently.
+\(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY
+Copying Conditions Conditions for redistributing and changing Emacs.
+Getting New Versions How to obtain the latest version of Emacs.
+")
+ (insert "\n\n" (emacs-version)
+ "
+Copyright (C) 1999 Free Software Foundation, Inc."))
+ ;; If keys have their default meanings,
+ ;; use precomputed string to save lots of time.
+ (if (and (eq (key-binding "\C-h") 'help-command)
+ (eq (key-binding "\C-xu") 'advertised-undo)
+ (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
+ (eq (key-binding "\C-ht") 'help-with-tutorial)
+ (eq (key-binding "\C-hi") 'info)
+ (eq (key-binding "\C-h\C-n") 'view-emacs-news))
+ (insert "
Get help C-h (Hold down CTRL and press h)
Undo changes C-x u Exit Emacs C-x C-c
Get a tutorial C-h t Use Info to read docs C-h i")
- (insert (substitute-command-keys
- (format "\n
+ (insert (substitute-command-keys
+ (format "\n
Get help %s
Undo changes \\[advertised-undo]
Exit Emacs \\[save-buffers-kill-emacs]
Get a tutorial \\[help-with-tutorial]
Use Info to read docs \\[info]"
- (let ((where (where-is-internal
- 'help-command nil t)))
- (if where
- (key-description where)
- "M-x help"))))))
- ;; Say how to use the menu bar
- ;; if that is not with the mouse.
- (if (not (assq 'display (frame-parameters)))
- (if (and (eq (key-binding "\M-`") 'tmm-menubar)
- (eq (key-binding [f10]) 'tmm-menubar))
- (insert "
+ (let ((where (where-is-internal
+ 'help-command nil t)))
+ (if where
+ (key-description where)
+ "M-x help"))))))
+ ;; Say how to use the menu bar
+ ;; if that is not with the mouse.
+ (if (and (eq (key-binding "\M-`") 'tmm-menubar)
+ (eq (key-binding [f10]) 'tmm-menubar))
+ (insert "
Activate menubar F10 or ESC ` or M-`")
- (insert (substitute-command-keys "
-Activate menubar \\[tmm-menubar]"))))
+ (insert (substitute-command-keys "
+Activate menubar \\[tmm-menubar]")))
;; Windows and MSDOS (currently) do not count as
;; window systems, but do have mouse support.
- (if window-system
- (insert "
+ (if window-system
+ (insert "
Mode-specific menu C-mouse-3 (third button, with CTRL)"))
- ;; Many users seem to have problems with these.
- (insert "
+ ;; Many users seem to have problems with these.
+ (insert "
\(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key.
If you have no Meta key, you may instead type ESC followed by the character.)")
- (and auto-save-list-file-prefix
- (directory-files
- (file-name-directory auto-save-list-file-prefix)
- nil
- (concat "\\`"
- (regexp-quote (file-name-nondirectory
- auto-save-list-file-prefix)))
- t)
- (insert "\n\nIf an Emacs session crashed recently, "
- "type M-x recover-session RET\nto recover"
- " the files you were editing."))
-
- (insert "\n\n" (emacs-version)
- "
-Copyright (C) 1997 Free Software Foundation, Inc.")
- (if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
- (eq (key-binding "\C-h\C-d") 'describe-distribution)
- (eq (key-binding "\C-h\C-w") 'describe-no-warranty))
- (insert
- "\n
+ (and auto-save-list-file-prefix
+ (directory-files
+ (file-name-directory auto-save-list-file-prefix)
+ nil
+ (concat "\\`"
+ (regexp-quote (file-name-nondirectory
+ auto-save-list-file-prefix)))
+ t)
+ (insert "\n\nIf an Emacs session crashed recently, "
+ "type M-x recover-session RET\nto recover"
+ " the files you were editing."))
+
+ (insert "\n\n" (emacs-version)
+ "
+Copyright (C) 1999 Free Software Foundation, Inc.")
+ (if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
+ (eq (key-binding "\C-h\C-d") 'describe-distribution)
+ (eq (key-binding "\C-h\C-w") 'describe-no-warranty))
+ (insert
+ "\n
GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
-You may give out copies of Emacs; type C-h C-c to see the conditions.
+Emacs is Free Software--Free as in Freedom--so you can redistribute copies
+of Emacs and modify it; type C-h C-c to see the conditions.
Type C-h C-d for information on getting the latest version.")
- (insert (substitute-command-keys
- "\n
+ (insert (substitute-command-keys
+ "\n
GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details.
-You may give out copies of Emacs; type \\[describe-copying] to see the conditions.
-Type \\[describe-distribution] for information on getting the latest version.")))
+Emacs is Free Software--Free as in Freedom--so you can redistribute copies
+of Emacs and modify it; type \\[describe-copying] to see the conditions.
+Type \\[describe-distribution] for information on getting the latest version."))))
(goto-char (point-min))
(set-buffer-modified-p nil)
;; and long versions of what's on command-switch-alist.
(longopts
(append '(("--funcall") ("--load") ("--insert") ("--kill")
- ("--directory") ("--eval") ("--find-file") ("--visit"))
+ ("--directory") ("--eval") ("--execute")
+ ("--find-file") ("--visit") ("--file"))
(mapcar '(lambda (elt)
(list (concat "-" (car elt))))
command-switch-alist)))
(cons argval command-line-args-left)))
(funcall (cdr tem) argi))
(funcall (cdr tem) argi)))
+
((or (string-equal argi "-f") ;what the manual claims
(string-equal argi "-funcall")
(string-equal argi "-e")) ; what the source used to say
(if (arrayp (symbol-function tem))
(command-execute tem)
(funcall tem)))
- ((string-equal argi "-eval")
+
+ ((or (string-equal argi "-eval")
+ (string-equal argi "-execute"))
(if argval
(setq tem argval)
(setq tem (car command-line-args-left))
(setq command-line-args-left (cdr command-line-args-left)))
(eval (read tem)))
;; Set the default directory as specified in -L.
+
((or (string-equal argi "-L")
(string-equal argi "-directory"))
(if argval
(cons (expand-file-name tem) extra-load-path))
(setq load-path (append (nreverse extra-load-path)
initial-load-path)))
+
((or (string-equal argi "-l")
(string-equal argi "-load"))
(if argval
(if (file-exists-p (expand-file-name file))
(setq file (expand-file-name file)))
(load file nil t)))
+
((string-equal argi "-insert")
(if argval
(setq tem argval)
(or (stringp tem)
(error "File name omitted from `-insert' option"))
(insert-file-contents (command-line-normalize-file-name tem)))
+
((string-equal argi "-kill")
(kill-emacs t))
+
((string-match "^\\+[0-9]+\\'" argi)
(setq line (string-to-int argi)))
+
((setq tem (assoc argi command-line-x-option-alist))
;; Ignore X-windows options and their args if not using X.
(setq command-line-args-left
(nthcdr (nth 1 tem) command-line-args-left)))
+
((or (string-equal argi "-find-file")
+ (string-equal argi "-file")
(string-equal argi "-visit"))
;; An explicit option to specify visiting a file.
+ (if argval
+ (setq tem argval)
+ (setq tem (car command-line-args-left)
+ command-line-args-left (cdr command-line-args-left)))
+ (unless (stringp tem)
+ (error "File name omitted from `%s' option" argi))
(setq file-count (1+ file-count))
- (let ((file
- (expand-file-name
- (command-line-normalize-file-name orig-argi)
- dir)))
+ (let ((file (expand-file-name
+ (command-line-normalize-file-name tem) dir)))
(if (= file-count 1)
(setq first-file-buffer (find-file file))
(find-file-other-window file)))
(or (zerop line)
(goto-line line))
(setq line 0))
+
((equal argi "--")
(setq just-files t))
(t