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+;;; package-net.el --- Installation and Maintenance of XEmacs packages
+
+;; Copyright (C) 2000 Andy Piper.
+
+;; Keywords: internal
+
+;; This file is part of XEmacs.
+
+;; XEmacs 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.
+
+;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+
+;;; Synched up with: Not in FSF
+
+;;; Commentary:
+
+;; Manipulate packages for the netinstall setup utility
+
+(require 'package-admin)
+(require 'package-get)
+
+;; What path should we use from the myriad available?
+;; For netinstall we just want something simple, and anyway this is only to 
+;; bootstrap the process. This will be:
+;; <root>/setup/ for native windows
+;; <root>/lib/xemacs/setup for cygwin.
+(defun package-net-setup-directory ()
+  (file-truename (concat data-directory "../../" (if (eq system-type 'cygwin32)
+                                                    "xemacs/setup/" "setup/"))))
+
+(defun package-net-convert-index-to-ini (&optional destdir remote version)
+  "Convert the package index to ini file format in DESTDIR.
+DESTDIR defaults to the value of `data-directory'."
+  (package-get-require-base remote)
+
+  (setq destdir (file-name-as-directory (or destdir data-directory)))
+  (let ((buf (get-buffer-create "*setup.ini*")))
+    (unwind-protect
+        (save-excursion
+          (set-buffer buf)
+          (erase-buffer buf)
+          (goto-char (point-min))
+          (let ((entries package-get-base) entry plist)
+           (insert "# This file is automatically generated.  If you edit it, your\n")
+           (insert "# edits will be discarded next time the file is generated.\n")
+           (insert "#\n\n")
+           (insert (format "setup-timestamp: %d\n" 
+                           (+ (* (car (current-time)) 65536) (car (cdr (current-time))))))
+           (insert (format "setup-version: %s\n\n" (or version "1.0")))
+           ;; Native version
+           ;; We give the package a capitalised name so that it appears at the top
+           (insert (format "@ %s\n" "xemacs-i586-pc-win32"))
+           (insert (format "version: %s\n" emacs-program-version))
+           (insert "type: native\n")
+           (insert (format "install: binaries/win32/%s %d\n\n"
+                           (concat emacs-program-name
+                                   "-i586-pc-win32-"
+                                   emacs-program-version ".tar.gz") 0))
+           ;; Cygwin version
+           ;; We give the package a capitalised name so that it appears at the top
+           (insert (format "@ %s\n" "xemacs-i686-pc-cygwin32"))
+           (insert (format "version: %s\n" emacs-program-version))
+           (insert "type: cygwin\n")
+           (insert (format "install: binaries/cygwin32/%s %d\n\n"
+                           (concat emacs-program-name
+                                   "-i686-pc-cygwin32-"
+                                   emacs-program-version ".tar.gz") 6779200))
+           ;; Standard packages
+           (while entries
+             (setq entry (car entries))
+             (setq plist (car (cdr entry)))
+             (insert (format "@ %s\n" (symbol-name (car entry))))
+             (insert (format "version: %s\n" (plist-get plist 'version)))
+             (insert (format "install: packages/%s %s\n" (plist-get plist 'filename)
+                             (plist-get plist 'size)))
+             ;; These are not supported as yet
+             ;;
+             ;; (insert (format "source: %s\n" (plist-get plist 'source)))
+             ;; (insert "[prev]\n")
+             ;; (insert (format "version: %s\n" (plist-get plist 'version)))
+             ;; (insert (format "install: %s\n" (plist-get plist 'filename)))
+             ;; (insert (format "source: %s\n" (plist-get plist 'source)))
+             (insert "\n")
+             (setq entries (cdr entries))))
+         (insert "# setup.ini file ends here\n")
+         (write-region (point-min) (point-max) (concat destdir "setup.ini")))
+      (kill-buffer buf))))
+
+(defun package-net-update-installed-db (&optional destdir)
+  "Write out the installed package index in a net install suitable format.
+If DESTDIR is non-nil then use that as the destination directory. 
+DESTDIR defaults to the value of `package-net-setup-directory'."
+  ;; Need the local version
+  (package-get-require-base)
+
+  (setq destdir (file-name-as-directory 
+                (or destdir (package-net-setup-directory))))
+  (let ((buf (get-buffer-create "*installed.db*")))
+    (unwind-protect
+        (save-excursion
+          (set-buffer buf)
+          (erase-buffer buf)
+          (goto-char (point-min))
+          (let ((entries package-get-base) entry plist)
+           (while entries
+             (setq entry (car entries))
+             (setq plist (car (cdr entry)))
+             (insert (format "%s %s %s\n" (symbol-name (car entry))
+                             (plist-get plist 'filename)
+                             (plist-get plist 'size)))
+             (setq entries (cdr entries))))
+         (make-directory-path destdir)
+         (write-region (point-min) (point-max) (concat destdir "installed.db")))
+      (kill-buffer buf))))
+
+(defun package-net-convert-download-sites-to-mirrors (&optional destdir)
+  "Write out the download site list in a net install suitable format.
+If DESTDIR is non-nil then use that as the destination directory. 
+DESTDIR defaults to the value of `data-directory'."
+
+  (setq destdir (file-name-as-directory (or destdir data-directory)))
+  (let ((buf (get-buffer-create "*mirrors.lst*")))
+    (unwind-protect
+        (save-excursion
+          (set-buffer buf)
+          (erase-buffer buf)
+          (goto-char (point-min))
+          (let ((entries package-get-download-sites) entry)
+           (while entries
+             (setq entry (car entries))
+             (insert (format "ftp://%s/%s;%s;%s\n"
+                             (nth 1 entry) (substring (nth 2 entry) 0 -9)
+                             (nth 0 entry) (nth 0 entry)))
+             (setq entries (cdr entries))))
+         (write-region (point-min) (point-max) (concat destdir "mirrors.lst")))
+      (kill-buffer buf))))