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1 ;;; package-admin.el --- Installation and Maintenance of XEmacs packages
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2
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3 ;; Copyright (C) 1997 by Free Software Foundation, Inc.
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4
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5 ;; Author: SL Baur <steve@altair.xemacs.org>
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6 ;; Keywords: internal
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF
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26
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27 ;;; Commentary:
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28
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29 ;; First pass at lisp front end to package maintenance.
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30
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31 ;;; Code:
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32
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33 (require 'config)
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34
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237
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35 (defvar package-admin-xemacs (concat invocation-directory invocation-name)
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217
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36 "Location of XEmacs binary to use.")
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37
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38 (defvar package-admin-temp-buffer "*Package Output*"
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39 "Temporary buffer where output of backend commands is saved.")
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40
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314
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41 (defvar package-admin-install-function 'package-admin-default-install-function
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42 "The function to call to install a package.
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43 Three args are passed: FILENAME PKG-DIR BUF
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44 Install package FILENAME into directory PKG-DIR, with any messages output
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45 to buffer BUF.")
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46
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47 (defvar package-admin-error-messages '(
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48 "No space left on device"
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49 "No such file or directory"
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50 "Filename too long"
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51 "Read-only file system"
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52 "File too large"
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53 "Too many open files"
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54 "Not enough space"
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55 "Permission denied"
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56 "Input/output error"
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57 "Out of memory"
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58 "Unable to create directory"
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59 "Directory checksum error"
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60 "Cannot exclusively open file"
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61 "corrupted file"
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62 "incomplete .* tree"
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63 "Bad table"
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64 "corrupt input"
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65 "invalid compressed data"
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66 "too many leaves in Huffman tree"
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67 "not a valid zip file"
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68 "first entry not deflated or stored"
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69 "encrypted file --"
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70 "unexpected end of file"
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71 )
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72 "Regular expressions of possible error messages.
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73 After each package extraction, the `package-admin-temp-buffer' buffer is
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74 scanned for these messages. An error code is returned if one of these are
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75 found.
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76
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77 This is awful, but it exists because error return codes aren't reliable
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78 under MS Windows.")
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79
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217
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80 ;;;###autoload
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81 (defun package-admin-add-single-file-package (file destdir &optional pkg-dir)
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82 "Install a single file Lisp package into XEmacs package hierarchy.
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83 `file' should be the full path to the lisp file to install.
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84 `destdir' should be a simple directory name.
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243
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85 The optional `pkg-dir' can be used to override the default package hierarchy
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274
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86 \(car \(last late-packages))."
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217
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87 (interactive "fLisp File: \nsDestination: ")
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88 (when (null pkg-dir)
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274
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89 (setq pkg-dir (car (last late-packages))))
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90 (let ((destination (concat pkg-dir "/lisp/" destdir))
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91 (buf (get-buffer-create package-admin-temp-buffer)))
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92 (call-process "add-little-package.sh"
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93 nil
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94 buf
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95 t
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96 ;; rest of command line follows
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97 package-admin-xemacs file destination)))
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98
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314
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99 (defun package-admin-install-function-mswindows (file pkg-dir buf)
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100 "Install function for mswindows"
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101 (let ( (default-directory pkg-dir) )
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102 (call-process "djtar" nil buf t "-x" file)
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103 ))
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104
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105 (defun package-admin-default-install-function (file pkg-dir buf)
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106 "Default function to install a package.
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107 Install package FILENAME into directory PKG-DIR, with any messages output
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108 to buffer BUF."
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109 (let (filename)
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110 (setq filename (expand-file-name file pkg-dir))
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111 (if (shell-command (concat "gunzip -c " filename " | tar xvf -") buf)
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112 0
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113 1)
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114 ))
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115
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116 ; (call-process "add-big-package.sh"
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117 ; nil
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118 ; buf
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119 ; t
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120 ; ;; rest of command line follows
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121 ; package-admin-xemacs file pkg-dir))
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122
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123 (defun package-admin-get-install-dir (pkg-dir)
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124 (when (null pkg-dir)
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274
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125 (when (or (not (listp late-packages))
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126 (not late-packages))
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127 (error "No package path"))
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128 (setq pkg-dir (car (last late-packages))))
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314
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129 pkg-dir
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130 )
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131
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314
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132 ;;;###autoload
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133 (defun package-admin-add-binary-package (file &optional pkg-dir)
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134 "Install a pre-bytecompiled XEmacs package into package hierarchy."
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135 (interactive "fPackage tarball: ")
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136 (setq pkg-dir (package-admin-get-install-dir pkg-dir))
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137 (let ((buf (get-buffer-create package-admin-temp-buffer))
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138 (status 1)
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139 start err-list
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140 )
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141 ;; Insure that the current directory doesn't change
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142 (save-excursion
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143 (set-buffer buf)
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144 (setq default-directory pkg-dir)
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145 (setq case-fold-search t)
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146 (buffer-disable-undo)
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147 (goto-char (setq start (point-max)))
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148 (if (= 0 (setq status (funcall package-admin-install-function
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149 file pkg-dir buf)))
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150 (catch 'done
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151 (goto-char start)
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152 (setq err-list package-admin-error-messages)
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153 (while err-list
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154 (if (re-search-forward (car err-list) nil t)
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155 (progn
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156 (setq status 1)
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157 (throw 'done nil)
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158 ))
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159 (setq err-list (cdr err-list))
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160 )
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161 ))
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162 )
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163 status
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164 ))
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217
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165
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166 (provide 'package-admin)
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167
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168 ;;; package-admin.el ends here
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