--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/apel/install.el	Mon Aug 13 09:39:39 2007 +0200
@@ -0,0 +1,204 @@
+;;; install.el --- Emacs Lisp package install utility
+
+;; Copyright (C) 1996 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Created: 1996/8/18
+;; Version: $Id: install.el,v 1.1 1997/06/03 04:18:35 steve Exp $
+;; Keywords: install
+
+;; This file is part of tl (Tiny Library).
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING.  If not, write to
+;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(require 'emu)
+(require 'file-detect)
+
+;;; @ compile Emacs Lisp files
+;;;
+
+(defun compile-elisp-module (module &optional path every-time)
+  (setq module (expand-file-name (symbol-name module) path))
+  (let ((el-file (concat module ".el"))
+	(elc-file (concat module ".elc"))
+	)
+    (if (or every-time
+	    (file-newer-than-file-p el-file elc-file))
+	(byte-compile-file el-file)
+      )
+    ))
+
+(defun compile-elisp-modules (modules &optional path every-time)
+  (mapcar (function
+	   (lambda (module)
+	     (compile-elisp-module module path every-time)
+	     ))
+	  modules))
+
+
+;;; @ install files
+;;;
+
+(defvar install-overwritten-file-modes (+ (* 64 6)(* 8 4) 4))
+
+(defun install-file (file src dest &optional move overwrite)
+  (let ((src-file (expand-file-name file src)))
+    (if (file-exists-p src-file)
+	(let ((full-path (expand-file-name file dest)))
+	  (if (and (file-exists-p full-path) overwrite)
+              (delete-file full-path)
+	    )
+	  (copy-file src-file full-path t t)
+	  (if move
+	      (catch 'tag
+		(while (and (file-exists-p src-file)
+			    (file-writable-p src-file))
+		  (condition-case err
+		      (progn
+			(delete-file src-file)
+			(throw 'tag nil)
+			)
+		    (error (princ (format "%s\n" (nth 1 err))))
+		    ))))
+	  (princ (format "%s -> %s\n" file dest))
+	  ))
+    ))
+
+(defun install-files (files src dest &optional move overwrite)
+  (or (file-exists-p dest)
+      (make-directory dest t)
+      )
+  (mapcar (function (lambda (file)
+		      (install-file file src dest move overwrite)
+		      ))
+	  files))
+
+
+;;; @@ install Emacs Lisp files
+;;;
+
+(defun install-elisp-module (module src dest)
+  (let (el-file elc-file)
+    (let ((name (symbol-name module)))
+      (setq el-file (concat name ".el"))
+      (setq elc-file (concat name ".elc"))
+      )
+    (let ((src-file (expand-file-name el-file src)))
+      (if (file-exists-p src-file)
+	  (let ((full-path (expand-file-name el-file dest)))
+	    (if (file-exists-p full-path)
+                (delete-file full-path)
+	      )
+	    (copy-file src-file full-path t t)
+	    (princ (format "%s -> %s\n" el-file dest))
+	    ))
+      (setq src-file (expand-file-name elc-file src))
+      (if (file-exists-p src-file)
+	  (let ((full-path (expand-file-name elc-file dest)))
+            (if (file-exists-p full-path)
+                (delete-file full-path)
+              )
+	    (copy-file src-file full-path t t)
+	    (catch 'tag
+	      (while (file-exists-p src-file)
+		(condition-case err
+		    (progn
+		      (delete-file src-file)
+		      (throw 'tag nil)
+		      )
+		  (error (princ (format "%s\n" (nth 1 err))))
+		  )))
+	    (princ (format "%s -> %s\n" elc-file dest))
+	    ))
+      )))
+
+(defun install-elisp-modules (modules src dest)
+  (or (file-exists-p dest)
+      (make-directory dest t)
+      )
+  (mapcar (function (lambda (module)
+		      (install-elisp-module module src dest)
+		      ))
+	  modules))
+
+
+;;; @ detect install path
+;;;
+
+(defvar install-prefix
+  (if (or running-emacs-18 running-xemacs)
+      (expand-file-name "../../.." exec-directory)
+    (expand-file-name "../../../.." data-directory)
+    )) ; install to shared directory (maybe "/usr/local")
+
+(defvar install-elisp-prefix
+  (if (>= emacs-major-version 19)
+      "site-lisp"
+    "local.lisp"))
+
+(defun install-detect-elisp-directory (&optional prefix elisp-prefix
+						 allow-version-specific)
+  (or prefix
+      (setq prefix install-prefix)
+      )
+  (or elisp-prefix
+      (setq elisp-prefix install-elisp-prefix)
+      )
+  (or
+   (catch 'tag
+     (let ((rest default-load-path)
+	   dir)
+       (while (setq dir (car rest))
+	 (if (string-match
+	      (concat "^"
+		      (expand-file-name (concat ".*/" elisp-prefix) prefix)
+		      "$")
+	      dir)
+	     (if (or allow-version-specific
+		     (not (string-match (format "%d\\.%d"
+						emacs-major-version
+						emacs-minor-version) dir))
+		     )
+		 (throw 'tag dir)
+	       ))
+	 (setq rest (cdr rest))
+	 )))
+   (expand-file-name (concat
+		      (if running-emacs-19_29-or-later
+			  "share/"
+			"lib/")
+		      (cond ((boundp 'NEMACS) "nemacs/")
+			    ((boundp 'MULE)   "mule/")
+			    (running-xemacs
+			     (if (featurep 'mule)
+				 "xmule/"
+			       "xemacs/"))
+			    (t "emacs/"))
+		      elisp-prefix) prefix)
+   ))
+
+(defvar install-default-elisp-directory
+  (install-detect-elisp-directory))
+
+
+;;; @ end
+;;;
+
+(provide 'install)
+
+;;; install.el ends here