* make-dist: Distribute lib-src/rcs-checkin.

[gnu-emacs] / lisp / startup.el

diff --git a/lisp/startup.el b/lisp/startup.el
index 2571f14abdfab35edb584bc146ff7986b1acf497..da88df9e8e1f8de3ec81881783c23f9bddc8088e 100644 (file)
--- a/lisp/startup.el
+++ b/lisp/startup.el
@@ -1,10 +1,10 @@
 ;;; startup.el --- process Emacs shell arguments
 
-;; Maintainer: FSF
-;; Last-Modified: 09 Jul 1992
-
 ;; Copyright (C) 1985, 1986, 1992 Free Software Foundation, Inc.
 
+;; Maintainer: FSF
+;; Keywords: internal
+
 ;; This file is part of GNU Emacs.
 
 ;; GNU Emacs is free software; you can redistribute it and/or modify
@@ -86,9 +86,9 @@ The frame system uses this to open frames to display messages while
 Emacs loads the user's initialization file.")
 
 (defvar after-init-hook nil
-  "Functions to call after loading the init file (~/.emacs).
+  "Functions to call after loading the init file (`~/.emacs').
 The call is not protected by a condition-case, so you can set `debug-on-error'
-in .emacs, and put all the actual code on `after-init-hook'.")
+in `.emacs', and put all the actual code on `after-init-hook'.")
 
 (defvar term-setup-hook nil
   "Functions to be called after loading terminal-specific lisp code.
@@ -126,18 +126,21 @@ directory name of the directory where the `.emacs' file was looked for.")
   (if command-line-processed
       (message "Back to top level.")
     (setq command-line-processed t)
-    ;; In presence of symlinks, switch to cleaner form of default directory.
     (if (not (eq system-type 'vax-vms))
-       (mapcar (function
-                (lambda (var)
-                  (let ((value (getenv var)))
-                    (if (and value
-                             (< (length value) (length default-directory))
-                             (equal (file-attributes default-directory)
-                                    (file-attributes value)))
-                        (setq default-directory
-                              (file-name-as-directory value))))))
-               '("PWD" "HOME")))
+       (progn
+         ;; If the PWD environment variable isn't accurate, delete it.
+         (let ((pwd (getenv "PWD")))
+           (and (stringp pwd)
+                ;; Use FOO/., so that if FOO is a symlink, file-attributes
+                ;; describes the directory linked to, not FOO itself.
+                (or (equal (file-attributes
+                            (concat (file-name-as-directory pwd) "."))
+                           (file-attributes
+                            (concat (file-name-as-directory default-directory)
+                                    ".")))
+                    (setq process-environment
+                          (delete (concat "PWD=" pwd)
+                                  process-environment)))))))
     (setq default-directory (abbreviate-file-name default-directory))
     (unwind-protect
        (command-line)
@@ -148,7 +151,7 @@ directory name of the directory where the `.emacs' file was looked for.")
           (run-hooks 'window-setup-hook)))))
 
 (defun command-line ()
-  ;; See if we should import version-control from the envionment variable.
+  ;; 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
          ((or (string= vc "t")
@@ -211,6 +214,11 @@ directory name of the directory where the `.emacs' file was looked for.")
 
   (run-hooks 'before-init-hook)
 
+  ;; Run the site-start library if it exists.  The point of this file is
+  ;; that it is run before .emacs.  There is no point in doing this after
+  ;; .emacs; that is useless.
+  (load "site-start" t t)
+
   ;; Load that user's init file, or the default one, or none.
   (let ((debug-on-error init-file-debug)
        ;; This function actually reads the init files.
@@ -286,7 +294,7 @@ directory name of the directory where the `.emacs' file was looked for.")
                 (progn
                   (insert (emacs-version)
                           "
-Copyright (C) 1991 Free Software Foundation, Inc.\n\n")
+Copyright (C) 1993 Free Software Foundation, Inc.\n\n")
                   ;; If keys have their default meanings,
                   ;; use precomputed string to save lots of time.
                   (if (and (eq (key-binding "\C-h") 'help-command)
@@ -300,6 +308,7 @@ Copyright (C) 1991 Free Software Foundation, Inc.\n\n")
        "Type C-h for help; C-x u to undo changes.  (`C-' means use CTRL key.)
 To kill the Emacs job, type C-x C-c.
 Type C-h t for a tutorial on using Emacs.
+Type C-h i to enter Info, which you can use to read GNU documentation.
 
 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.
@@ -308,6 +317,7 @@ Type C-h C-d for information on getting the latest version.")
        "Type \\[help-command] for help; \\[advertised-undo] to undo changes.  (`C-' means use CTRL key.)
 To kill the Emacs job, type \\[save-buffers-kill-emacs].
 Type \\[help-with-tutorial] for a tutorial on using Emacs.
+Type \\[info] to enter Info, which you can use to read GNU documentation.
 
 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.