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217
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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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373
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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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80 (defvar package-admin-tar-filename-regexps
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81 '(
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82 ;; GNU tar:
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83 ;; drwxrwxr-x john/doe 123 1997-02-18 15:48 pathname
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84 "\\S-+\\s-+[-a-z0-9_/]+\\s-+[0-9]+\\s-+[-0-9]+\\s-+[0-9:]+\\s-+\\(\\S-.*\\)"
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85 ;; HP-UX & SunOS tar:
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86 ;; rwxrwxr-x 501/501 123 Feb 18 15:46 1997 pathname
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87 ;; Solaris tar (phooey!):
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88 ;; rwxrwxr-x501/501 123 Feb 18 15:46 1997 pathname
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89 ;; AIX tar:
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90 ;; -rw-r--r-- 147 1019 32919 Mar 26 12:00:09 1992 pathname
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91 "\\S-+\\s-*[-a-z0-9_]+[/ ][-a-z0-9_]+\\s-+[0-9]+\\s-+[a-z][a-z][a-z]\\s-+[0-9]+\\s-+[0-9:]+\\s-+[0-9]+\\s-+\\(\\S-.*\\)"
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92
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93 ;; djtar:
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94 ;; drwx Aug 31 02:01:41 1998 123 pathname
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95 "\\S-+\\s-+[a-z][a-z][a-z]\\s-+[0-9]+\\s-+[0-9:]+\\s-+[0-9]+\\s-+[0-9]+\\s-+\\(\\S-.*\\)"
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96
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97 )
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98 "List of regexps to use to search for tar filenames.
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99 Note that \"\\(\" and \"\\)\" must be used to delimit the pathname (as
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100 match #1). Don't put \"^\" to match the beginning of the line; this
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101 is already implicit, as `looking-at' is used. Filenames can,
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102 unfortunately, contain spaces, so be careful in constructing any
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103 regexps.")
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104
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217
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105 ;;;###autoload
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106 (defun package-admin-add-single-file-package (file destdir &optional pkg-dir)
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107 "Install a single file Lisp package into XEmacs package hierarchy.
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108 `file' should be the full path to the lisp file to install.
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109 `destdir' should be a simple directory name.
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243
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110 The optional `pkg-dir' can be used to override the default package hierarchy
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274
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111 \(car \(last late-packages))."
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217
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112 (interactive "fLisp File: \nsDestination: ")
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113 (when (null pkg-dir)
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274
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114 (setq pkg-dir (car (last late-packages))))
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217
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115 (let ((destination (concat pkg-dir "/lisp/" destdir))
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116 (buf (get-buffer-create package-admin-temp-buffer)))
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117 (call-process "add-little-package.sh"
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118 nil
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119 buf
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120 t
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121 ;; rest of command line follows
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122 package-admin-xemacs file destination)))
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123
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373
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124 (defun package-admin-install-function-mswindows (file pkg-dir buf)
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125 "Install function for mswindows"
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382
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126 (let ((default-directory (file-name-as-directory pkg-dir)))
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127 (unless (file-directory-p default-directory)
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128 (make-directory default-directory t))
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129 (call-process "djtar" nil buf t "-x" file)))
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373
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130
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131 (defun package-admin-default-install-function (file pkg-dir buf)
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132 "Default function to install a package.
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133 Install package FILENAME into directory PKG-DIR, with any messages output
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134 to buffer BUF."
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382
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135 (let* ((pkg-dir (file-name-as-directory pkg-dir))
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136 (default-directory pkg-dir)
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137 (filename (expand-file-name file)))
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138 (unless (file-directory-p pkg-dir)
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139 (make-directory pkg-dir t))
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373
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140 ;; Don't assume GNU tar.
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141 (if (shell-command (concat "gunzip -c " filename " | tar xvf -") buf)
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142 0
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143 1)
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144 ))
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145
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146 ; (call-process "add-big-package.sh"
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147 ; nil
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148 ; buf
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149 ; t
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150 ; ;; rest of command line follows
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151 ; package-admin-xemacs file pkg-dir))
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152
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375
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153 (defun package-admin-get-install-dir (package pkg-dir &optional mule-related)
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154 "If PKG-DIR is non-nil return that,
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155 else return the current location of the package if it is already installed
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156 or return a location appropriate for the package otherwise."
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157 (if pkg-dir
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158 pkg-dir
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159 (let ((package-feature (intern-soft (concat
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160 (symbol-name package) "-autoloads")))
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161 autoload-dir)
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162 (when (and (not (eq package 'unknown))
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163 (featurep package-feature)
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164 (setq autoload-dir (feature-file package-feature))
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165 (setq autoload-dir (file-name-directory autoload-dir))
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166 (member autoload-dir late-package-load-path))
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167 ;; Find the corresonding entry in late-package
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168 (setq pkg-dir
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169 (car-safe (member-if (lambda (h)
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170 (string-match (concat "^" (regexp-quote h))
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171 autoload-dir))
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172 late-packages))))
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173 (if pkg-dir
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174 pkg-dir
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175 ;; Ok we need to guess
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176 (if mule-related
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177 (package-admin-get-install-dir 'mule-base nil nil)
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178 (car (last late-packages)))))))
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179
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180
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318
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181
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373
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182 (defun package-admin-get-manifest-file (pkg-topdir package)
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183 "Return the name of the MANIFEST file for package PACKAGE.
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184 Note that PACKAGE is a symbol, and not a string."
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185 (let (dir)
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186 (setq dir (expand-file-name "pkginfo" pkg-topdir))
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187 (expand-file-name (concat "MANIFEST." (symbol-name package)) dir)
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188 ))
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189
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190 (defun package-admin-check-manifest (pkg-outbuf pkg-topdir)
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191 "Check for a MANIFEST.<package> file in the package distribution.
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192 If it doesn't exist, create and write one.
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193 PKG-OUTBUF is the buffer that holds the output from `tar', and PKG-TOPDIR
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194 is the top-level directory under which the package was installed."
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195 (let ( (manifest-buf " *pkg-manifest*")
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196 old-case-fold-search regexp package-name pathname regexps)
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197 ;; Save and restore the case-fold-search status.
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198 ;; We do this in case we have to screw with it (as it the case of
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199 ;; case-insensitive filesystems such as MS Windows).
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200 (setq old-case-fold-search case-fold-search)
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201 (unwind-protect
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202 (save-excursion ;; Probably redundant.
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203 (set-buffer (get-buffer pkg-outbuf)) ;; Probably already the
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204 ;; current buffer.
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205 (goto-char (point-min))
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206
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207 ;; Make filenames case-insensitive, if necessary
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208 (if (eq system-type 'windows-nt)
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209 (setq case-fold-search t))
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210
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211 ;; We really should compute the regexp.
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212 ;; However, directory-sep-char is currently broken, but we need
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213 ;; functional code *NOW*.
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214 (setq regexp "\\bpkginfo[\\/]MANIFEST\\...*")
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215
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216 ;; Look for the manifest.
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217 (if (not (re-search-forward regexp nil t))
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218 (progn
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219 ;; We didn't find a manifest. Make one.
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220
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221 ;; Yuk. We weren't passed the package name, and so we have
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222 ;; to dig for it. Look for it as the subdirectory name below
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223 ;; "lisp", "man", "info", or "etc".
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224 ;; Here, we don't use a single regexp because we want to search
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225 ;; the directories for a package name in a particular order.
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226 ;; The problem is that packages could have directories like
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227 ;; "etc/sounds/" or "etc/photos/" and we don't want to get
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228 ;; these confused with the actual package name (although, in
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229 ;; the case of "etc/sounds/", it's probably correct).
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230 (if (catch 'done
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231 (let ( (dirs '("lisp" "info" "man" "etc")) rexp)
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232 (while dirs
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233 (setq rexp (concat "\\b" (car dirs)
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234 "[\\/]\\([^\\/]+\\)[\//]"))
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235 (if (re-search-forward rexp nil t)
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236 (throw 'done t))
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237 (setq dirs (cdr dirs))
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238 )))
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239 (progn
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240 (setq package-name (buffer-substring (match-beginning 1)
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241 (match-end 1)))
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242
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243 ;; Get and erase the manifest buffer
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244 (setq manifest-buf (get-buffer-create manifest-buf))
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245 (buffer-disable-undo manifest-buf)
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246 (erase-buffer manifest-buf)
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247
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248 ;; Now, scan through the output buffer, looking for
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249 ;; file and directory names.
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250 (goto-char (point-min))
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251 ;; for each line ...
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252 (while (< (point) (point-max))
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253 (beginning-of-line)
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254 (setq pathname nil)
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255
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256 ;; scan through the regexps, looking for a pathname
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257 (if (catch 'found-path
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258 (setq regexps package-admin-tar-filename-regexps)
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259 (while regexps
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260 (if (looking-at (car regexps))
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261 (progn
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262 (setq pathname
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263 (buffer-substring
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264 (match-beginning 1)
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265 (match-end 1)))
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266 (throw 'found-path t)
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267 ))
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268 (setq regexps (cdr regexps))
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269 )
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270 )
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271 (progn
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272 ;; found a pathname -- add it to the manifest
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273 ;; buffer
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274 (save-excursion
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275 (set-buffer manifest-buf)
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276 (goto-char (point-max))
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277 (insert pathname "\n")
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278 )
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279 ))
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280 (forward-line 1)
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281 )
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282
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283 ;; Processed all lines.
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284 ;; Now, create the file, pkginfo/MANIFEST.<pkgname>
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285
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286 ;; We use `expand-file-name' instead of `concat',
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287 ;; for portability.
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288 (setq pathname (expand-file-name "pkginfo"
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289 pkg-topdir))
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290 ;; Create pkginfo, if necessary
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291 (if (not (file-directory-p pathname))
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292 (make-directory pathname))
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293 (setq pathname (expand-file-name
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294 (concat "MANIFEST." package-name)
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295 pathname))
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296 (save-excursion
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297 (set-buffer manifest-buf)
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298 ;; Put the files in sorted order
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299 (sort-lines nil (point-min) (point-max))
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300 ;; Write the file.
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301 ;; Note that using `write-region' *BYPASSES* any check
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302 ;; to see if XEmacs is currently editing/visiting the
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303 ;; file.
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304 (write-region (point-min) (point-max) pathname)
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305 )
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306 (kill-buffer manifest-buf)
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307 )
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308 (progn
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309 ;; We can't determine the package name from an extracted
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310 ;; file in the tar output buffer.
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311 ))
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312 ))
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313 )
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314 ;; Restore old case-fold-search status
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315 (setq case-fold-search old-case-fold-search))
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316 ))
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317
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318 ;;;###autoload
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319 (defun package-admin-add-binary-package (file &optional pkg-dir)
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320 "Install a pre-bytecompiled XEmacs package into package hierarchy."
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321 (interactive "fPackage tarball: ")
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322 (let ((buf (get-buffer-create package-admin-temp-buffer))
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323 (status 1)
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324 start err-list
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325 )
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375
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326 (setq pkg-dir (package-admin-get-install-dir 'unknown pkg-dir))
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384
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327 ;; Ensure that the current directory doesn't change
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373
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328 (save-excursion
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329 (set-buffer buf)
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382
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330 ;; This is not really needed
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331 (setq default-directory (file-name-as-directory pkg-dir))
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373
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332 (setq case-fold-search t)
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333 (buffer-disable-undo)
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334 (goto-char (setq start (point-max)))
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335 (if (= 0 (setq status (funcall package-admin-install-function
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336 file pkg-dir buf)))
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337 (progn
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338 ;; First, check for errors.
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339 ;; We can't necessarily rely upon process error codes.
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340 (catch 'done
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341 (goto-char start)
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342 (setq err-list package-admin-error-messages)
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343 (while err-list
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344 (if (re-search-forward (car err-list) nil t)
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345 (progn
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346 (setq status 1)
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347 (throw 'done nil)
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348 ))
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349 (setq err-list (cdr err-list))
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350 )
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351 )
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352 ;; Make sure that the MANIFEST file exists
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353 (package-admin-check-manifest buf pkg-dir)
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354 ))
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355 )
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356 status
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357 ))
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358
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359 (defun package-admin-rmtree (directory)
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360 "Delete a directory and all of its contents, recursively.
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361 This is a feeble attempt at making a portable rmdir."
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375
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362 (setq directory (file-name-as-directory directory))
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363 (let ((files (directory-files directory nil nil nil t))
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364 (dirs (directory-files directory nil nil nil 'dirs)))
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365 (while dirs
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366 (if (not (member (car dirs) '("." "..")))
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367 (let ((dir (expand-file-name (car dirs) directory)))
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368 (condition-case err
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369 (if (file-symlink-p dir) ;; just in case, handle symlinks
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370 (delete-file dir)
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371 (package-admin-rmtree dir))
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372 (file-error
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373 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err)))))
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374 (setq dirs (cdr dirs))))
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375 (while files
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376 (condition-case err
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377 (delete-file (expand-file-name (car files) directory))
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378 (file-error
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379 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err))))
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380 (setq files (cdr files)))
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381 (condition-case err
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382 (delete-directory directory)
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383 (file-error
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384 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err))))))
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373
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385
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386 (defun package-admin-get-lispdir (pkg-topdir package)
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387 (let (package-lispdir)
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388 (if (and (setq package-lispdir (expand-file-name "lisp" pkg-topdir))
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389 (setq package-lispdir (expand-file-name (symbol-name package)
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390 package-lispdir))
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391 (file-accessible-directory-p package-lispdir))
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392 package-lispdir)
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393 ))
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394
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395 (defun package-admin-delete-binary-package (package pkg-topdir)
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396 "Delete a binary installation of PACKAGE below directory PKG-TOPDIR.
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397 PACKAGE is a symbol, not a string."
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398 (let ( (tmpbuf " *pkg-manifest*") manifest-file package-lispdir dirs file)
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375
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399 (setq pkg-topdir (package-admin-get-install-dir package pkg-topdir))
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373
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400 (setq manifest-file (package-admin-get-manifest-file pkg-topdir package))
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401 (if (file-exists-p manifest-file)
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402 (progn
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403 ;; The manifest file exists! Use it to delete the old distribution.
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404 (message "Removing old files for package \"%s\" ..." package)
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405 (sit-for 0)
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406 (setq tmpbuf (get-buffer-create tmpbuf))
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375
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407 (with-current-buffer tmpbuf
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408 (buffer-disable-undo)
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409 (erase-buffer)
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373
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410 (insert-file-contents manifest-file)
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411 (goto-char (point-min))
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375
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412
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373
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413 ;; For each entry in the MANIFEST ...
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414 (while (< (point) (point-max))
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415 (beginning-of-line)
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416 (setq file (expand-file-name (buffer-substring
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417 (point)
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375
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418 (point-at-eol))
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373
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419 pkg-topdir))
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420 (if (file-directory-p file)
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421 ;; Keep a record of each directory
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422 (setq dirs (cons file dirs))
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423 ;; Delete each file.
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424 ;; Make sure that the file is writable.
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425 ;; (This is important under MS Windows.)
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375
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426 ;; I do not know why it important under MS Windows but
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427 ;; 1. It bombs out out when the file does not exist. This can be condition-cased
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428 ;; 2. If I removed the write permissions, I do not want XEmacs to just ignore them.
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429 ;; If it wants to, XEmacs may ask, but that is about all
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430 ;; (set-file-modes file 438) ;; 438 -> #o666
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431 ;; Note, user might have removed the file!
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432 (condition-case ()
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433 (delete-file file)
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434 (error nil))) ;; We may want to turn the error into a Warning?
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435 (forward-line 1))
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436
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373
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437 ;; Delete empty directories.
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438 (if dirs
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439 (let ( (orig-default-directory default-directory)
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384
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440 directory files file )
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373
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441 ;; Make sure we preserve the existing `default-directory'.
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375
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442 ;; JV, why does this change the default directory? Does it indeed?
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373
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443 (unwind-protect
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444 (progn
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445 ;; Warning: destructive sort!
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446 (setq dirs (nreverse (sort dirs 'string<)))
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375
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447 ; ;; For each directory ...
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448 ; (while dirs
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449 ; (setq directory (file-name-as-directory (car dirs)))
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450 ; (setq files (directory-files directory))
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451 ; ;; Delete the directory if it's empty.
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452 ; (if (catch 'done
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453 ; (while files
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454 ; (setq file (car files))
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455 ; (if (and (not (string= file "."))
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456 ; (not (string= file "..")))
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457 ; (throw 'done nil))
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458 ; (setq files (cdr files))
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459 ; )
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460 ; t)
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461 ; (
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462 ; (delete-directory directory))
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463 ; (setq dirs (cdr dirs))
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464 ; )
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465 ;; JV, On all OS's that I know of delete-directory fails on
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466 ;; on non-empty dirs anyway
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467 (mapc
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468 (lambda (dir)
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469 (condition-case ()
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470 (delete-directory dir)))
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471 dirs))
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373
|
472 (setq default-directory orig-default-directory)
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473 )))
|
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474 )
|
|
|
475 (kill-buffer tmpbuf)
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|
|
476 ;; Delete the MANIFEST file
|
|
375
|
477 ;; (set-file-modes manifest-file 438) ;; 438 -> #o666
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|
|
478 ;; Note. Packages can have MANIFEST in MANIFEST.
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|
|
479 (condition-case ()
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|
|
480 (delete-file manifest-file)
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|
481 (error nil)) ;; Do warning?
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|
|
482 (message "Removing old files for package \"%s\" ... done" package))
|
|
373
|
483 ;; The manifest file doesn't exist. Fallback to just deleting the
|
|
|
484 ;; package-specific lisp directory, if it exists.
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|
|
485 ;;
|
|
|
486 ;; Delete old lisp directory, if any
|
|
|
487 ;; Gads, this is ugly. However, we're not supposed to use `concat'
|
|
|
488 ;; in the name of portability.
|
|
375
|
489 (when (setq package-lispdir (package-admin-get-lispdir pkg-topdir
|
|
373
|
490 package))
|
|
|
491 (message "Removing old lisp directory \"%s\" ..."
|
|
|
492 package-lispdir)
|
|
|
493 (sit-for 0)
|
|
|
494 (package-admin-rmtree package-lispdir)
|
|
|
495 (message "Removing old lisp directory \"%s\" ... done"
|
|
|
496 package-lispdir)
|
|
375
|
497 ))
|
|
373
|
498 ;; Delete the package from the database of installed packages.
|
|
375
|
499 (package-delete-name package)))
|
|
318
|
500
|
|
217
|
501 (provide 'package-admin)
|
|
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502
|
|
|
503 ;;; package-admin.el ends here
|
