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;;; install.el --- Emacs Lisp package install utility
;; Copyright (C) 1996 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Created: 1996/08/18
;; Version: $Id$
;; Keywords: install, byte-compile, directory detection
;; This file is part of APEL (A Portable Emacs 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
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