annotate lisp/package-admin.el @ 1393:9ced34dff720

[xemacs-hg @ 2003-03-30 21:43:01 by adrian] xemacs-21.5: Correct PROBLEMS location in xemacs.mak -------------------- ChangeLog entries follow: -------------------- nt/ChangeLog addition: 2003-03-30 Adrian Aichner <adrian@xemacs.org> * xemacs.mak (install): PROBLEMS is actually in $(SRCROOT).
author adrian
date Sun, 30 Mar 2003 21:43:01 +0000
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children 44de306310b8
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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@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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35 (defvar package-admin-xemacs (concat invocation-directory invocation-name)
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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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41 (defvar package-admin-install-function (if (eq system-type 'windows-nt)
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42 'package-admin-install-function-mswindows
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43 'package-admin-default-install-function)
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44 "The function to call to install a package.
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45 Three args are passed: FILENAME PKG-DIR BUFFER
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46 Install package FILENAME into directory PKG-DIR, with any messages output
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47 to buffer BUFFER.")
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48
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49 (defvar package-admin-error-messages '(
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50 "No space left on device"
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51 "No such file or directory"
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52 "Filename too long"
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53 "Read-only file system"
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54 "File too large"
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55 "Too many open files"
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56 "Not enough space"
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57 "Permission denied"
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58 "Input/output error"
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59 "Out of memory"
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60 "Unable to create directory"
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61 "Directory checksum error"
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62 "Cannot exclusively open file"
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63 "corrupted file"
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64 "incomplete .* tree"
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65 "Bad table"
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66 "corrupt input"
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67 "invalid compressed data"
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68 "too many leaves in Huffman tree"
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69 "not a valid zip file"
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70 "first entry not deflated or stored"
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71 "encrypted file --"
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72 "unexpected end of file"
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73 )
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74 "Regular expressions of possible error messages.
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75 After each package extraction, the `package-admin-temp-buffer' buffer is
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76 scanned for these messages. An error code is returned if one of these are
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77 found.
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78
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79 This is awful, but it exists because error return codes aren't reliable
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80 under MS Windows.")
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81
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82 (defvar package-admin-tar-filename-regexps
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83 '(
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84 ;; GNU tar:
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85 ;; drwxrwxr-x john/doe 123 1997-02-18 15:48 pathname
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86 "\\S-+\\s-+[-a-z0-9_/]+\\s-+[0-9]+\\s-+[-0-9]+\\s-+[0-9:]+\\s-+\\(\\S-.*\\)"
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87 ;; HP-UX & SunOS tar:
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88 ;; rwxrwxr-x 501/501 123 Feb 18 15:46 1997 pathname
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89 ;; Solaris tar (phooey!):
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90 ;; rwxrwxr-x501/501 123 Feb 18 15:46 1997 pathname
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91 ;; AIX tar:
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92 ;; -rw-r--r-- 147 1019 32919 Mar 26 12:00:09 1992 pathname
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93 "\\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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94
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95 ;; djtar:
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96 ;; drwx Aug 31 02:01:41 1998 123 pathname
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97 "\\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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98
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99 )
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100 "List of regexps to use to search for tar filenames.
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101 Note that \"\\(\" and \"\\)\" must be used to delimit the pathname (as
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102 match #1). Don't put \"^\" to match the beginning of the line; this
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103 is already implicit, as `looking-at' is used. Filenames can,
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104 unfortunately, contain spaces, so be careful in constructing any
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105 regexps.")
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106
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107 (defvar package-install-hook nil
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108 "*List of hook functions to be called when a new package is successfully
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109 installed. The hook function is passed two arguments: the package name, and
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110 the install directory.")
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111
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112 (defvar package-delete-hook nil
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113 "*List of hook functions to be called when a package is deleted. The
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114 hook is called *before* the package is deleted. The hook function is passed
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115 two arguments: the package name, and the install directory.")
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116
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117 (defun package-admin-install-function-mswindows (file pkg-dir buffer)
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118 "Install function for mswindows."
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119 (let ((default-directory (file-name-as-directory pkg-dir)))
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120 (unless (file-directory-p default-directory)
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121 (make-directory default-directory t))
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122 (call-process "minitar" nil buffer t file)))
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123
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124 (defun package-admin-default-install-function (filename pkg-dir buffer)
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125 "Default function to install a package.
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126 Install package FILENAME into directory PKG-DIR, with any messages output
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127 to BUFFER."
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128 (let* ((pkg-dir (file-name-as-directory pkg-dir))
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129 (default-directory pkg-dir)
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130 (filename (expand-file-name filename)))
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131 (unless (file-directory-p pkg-dir)
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132 (make-directory pkg-dir t))
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133 ;; Don't assume GNU tar.
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134 (if (shell-command (concat "gunzip -c " filename " | tar xvf -") buffer)
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135 0
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136 1)))
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137
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138 ;; A few things needed by the following 2 functions.
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139 (eval-when-compile
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140 (require 'packages)
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141 (autoload 'package-get-info "package-get")
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142 (autoload 'paths-decode-directory-path "find-paths")
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143 (defvar package-get-install-to-user-init-directory))
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144
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145 (defun package-admin-find-top-directory (type &optional user-dir)
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146 "Return the top level directory for a package.
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147
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148 Argument TYPE is a symbol that determines the type of package we're
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149 trying to find a directory for.
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150
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151 Optional Argument USER-DIR if non-nil use directories off
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152 `user-init-directory'. This overrides everything except
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153 \"EMACSPACKAGEPATH\".
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154
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155 This function honours the environment variable \"EMACSPACKAGEPATH\"
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156 and returns directories found there as a priority. If that variable
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157 doesn't exist and USER-DIR is nil, check in the normal places.
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158
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159 If we still can't find a suitable directory, return nil.
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160
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161 Possible values for TYPE are:
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162
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163 std == For \"standard\" packages that go in '/xemacs-packages/'
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164 mule == For \"mule\" packages that go in '/mule-packages/'
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165 site == For \"unsupported\" packages that go in '/site-packages/'
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166
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167 Note: Type \"site\" is not yet fully supported."
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168 (let* ((env-value (getenv "EMACSPACKAGEPATH"))
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169 top-dir)
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170 ;; First, check the environment var.
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171 (if env-value
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172 (let ((path-list (paths-decode-directory-path env-value 'drop-empties)))
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173 (cond ((eq type 'std)
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174 (while path-list
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175 (if (equal (substring (car path-list) -16) "xemacs-packages/")
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176 (setq top-dir (car path-list)))
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177 (setq path-list (cdr path-list))))
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178 ((eq type 'mule)
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179 (while path-list
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180 (if (equal (substring (car path-list) -14) "mule-packages/")
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181 (setq top-dir (car path-list)))
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182 (setq path-list (cdr path-list)))))))
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183 ;; Wasn't in the environment, try `user-init-directory' if
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184 ;; USER-DIR is non-nil.
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185 (if (and user-dir
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186 (not top-dir))
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187 (cond ((eq type 'std)
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188 (setq top-dir (file-name-as-directory
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189 (expand-file-name "xemacs-packages" user-init-directory))))
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190 ((eq type 'mule)
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191 (setq top-dir (file-name-as-directory
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192 (expand-file-name "mule-packages" user-init-directory))))))
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193 ;; Finally check the normal places
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194 (if (not top-dir)
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195 (let ((path-list (nth 1 (packages-find-packages
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196 emacs-data-roots
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197 (packages-compute-package-locations user-init-directory)))))
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198 (cond ((eq type 'std)
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199 (while path-list
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200 (if (equal (substring (car path-list) -16) "xemacs-packages/")
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201 (setq top-dir (car path-list)))
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202 (setq path-list (cdr path-list))))
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203 ((eq type 'mule)
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204 (while path-list
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205 (if (equal (substring (car path-list) -14) "mule-packages/")
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206 (setq top-dir (car path-list)))
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207 (setq path-list (cdr path-list)))))))
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208 ;; Now return either the directory or nil.
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209 top-dir))
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210
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211 (defun package-admin-get-install-dir (package &optional pkg-dir)
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212 "Find a suitable installation directory for a package.
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213
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214 Argument PACKAGE is the package to find a installation directory for.
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215 Optional Argument PKG-DIR, if non-nil is a directory to use for
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216 installation.
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217
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218 If PKG-DIR is non-nil and writable, return that. Otherwise check to
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219 see if the PACKAGE is already installed and return that location, if
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220 it is writable. Finally, fall back to the `user-init-directory' if
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221 all else fails. As a side effect of installing packages under
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222 `user-init-directory' these packages become part of `early-packages'."
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223 ;; If pkg-dir specified, return that if writable.
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224 (if (and pkg-dir
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225 (file-writable-p (directory-file-name pkg-dir)))
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226 pkg-dir
1378
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227 ;; If the user want her packages under ~/.xemacs/, do so.
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228 (let ((type (package-get-info package 'category)))
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229 (if package-get-install-to-user-init-directory
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230 (progn
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231 (cond ((equal type "standard")
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232 (setq pkg-dir (package-admin-find-top-directory 'std 'user-dir)))
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233 ((equal type "mule")
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234 (setq pkg-dir (package-admin-find-top-directory 'mule 'user-dir))))
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235 pkg-dir)
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236 ;; Maybe the package has been installed before, if so, return
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237 ;; that directory.
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238 (let ((package-feature (intern-soft (concat
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239 (symbol-name package) "-autoloads")))
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240 autoload-dir)
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241 (when (and (not (eq package 'unknown))
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242 (featurep package-feature)
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243 (setq autoload-dir (feature-file package-feature))
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244 (setq autoload-dir (file-name-directory autoload-dir))
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245 (member autoload-dir (append early-package-load-path late-package-load-path)))
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246 ;; Find the corresponding entry in late-package
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247 (setq pkg-dir
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248 (car-safe (member-if (lambda (h)
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249 (string-match (concat "^" (regexp-quote h))
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250 autoload-dir))
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251 (append (cdr early-packages) late-packages)))))
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252 (if (and pkg-dir
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253 (file-writable-p (directory-file-name pkg-dir)))
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254 pkg-dir
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255 ;; OK, the package hasn't been previously installed so we need
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256 ;; to guess where it should go.
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257 (cond ((equal type "standard")
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258 (setq pkg-dir (package-admin-find-top-directory 'std)))
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259 ((equal type "mule")
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260 (setq pkg-dir (package-admin-find-top-directory 'mule)))
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261 (t
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262 (error "Invalid package type")))
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263 (if (and pkg-dir
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264 (file-writable-p (directory-file-name pkg-dir)))
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265 pkg-dir
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266 ;; Oh no! Either we still haven't found a suitable
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267 ;; directory, or we can't write to the one we did find.
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268 ;; Drop back to the `user-init-directory'.
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269 (if (y-or-n-p (format "Directory isn't writable, use %s instead? "
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270 user-init-directory))
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271 (progn
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272 (cond ((equal type "standard")
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273 (setq pkg-dir (package-admin-find-top-directory 'std 'user-dir)))
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274 ((equal type "mule")
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275 (setq pkg-dir (package-admin-find-top-directory 'mule 'user-dir)))
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276 (t
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277 (error "Invalid package type")))
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278 ;; Turn on `package-get-install-to-user-init-directory'
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279 ;; so we don't get asked for each package we try to
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280 ;; install in this session.
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281 (setq package-get-install-to-user-init-directory t)
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282 pkg-dir)
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283 ;; If we get to here XEmacs can't make up its mind and
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284 ;; neither can the user, nothing left to do except barf. :-(
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285 (error "Can't find suitable installation directory for package: %s" package)))))))))
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286
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287 (defun package-admin-get-manifest-file (pkg-topdir package)
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288 "Return the name of the MANIFEST file for package PACKAGE.
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289 Note that PACKAGE is a symbol, and not a string."
1365
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290 (let ((dir (file-name-as-directory
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291 (expand-file-name "pkginfo" pkg-topdir))))
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292 (expand-file-name (concat "MANIFEST." (symbol-name package)) dir)))
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293
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294 (defun package-admin-check-manifest (pkg-outbuf pkg-topdir)
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295 "Check for a MANIFEST.<package> file in the package distribution.
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296 If it doesn't exist, create and write one.
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297 PKG-OUTBUF is the buffer that holds the output from `tar', and PKG-TOPDIR
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298 is the top-level directory under which the package was installed."
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299 (let ((manifest-buf " *pkg-manifest*")
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300 (old-case-fold-search case-fold-search)
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diff changeset
301 regexp package-name pathname regexps)
428
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302 (unwind-protect
3ecd8885ac67 Import from CVS: tag r21-2-22
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303 (save-excursion ;; Probably redundant.
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304 (set-buffer (get-buffer pkg-outbuf)) ;; Probably already the current buffer.
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305 (goto-char (point-min))
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306
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307 ;; Make filenames case-insensitive, if necessary
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cvs
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308 (if (eq system-type 'windows-nt)
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309 (setq case-fold-search t))
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310
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diff changeset
311 (setq regexp (concat "\\bpkginfo"
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diff changeset
312 (char-to-string directory-sep-char)
02909207294a [xemacs-hg @ 2003-03-20 13:19:56 by youngs]
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diff changeset
313 "MANIFEST\\...*"))
428
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314
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315 ;; Look for the manifest.
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316 (if (not (re-search-forward regexp nil t))
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cvs
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317 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22
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318 ;; We didn't find a manifest. Make one.
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cvs
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319
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cvs
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320 ;; Yuk. We weren't passed the package name, and so we have
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cvs
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321 ;; to dig for it. Look for it as the subdirectory name below
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322 ;; "lisp", or "man".
428
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323 ;; Here, we don't use a single regexp because we want to search
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cvs
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324 ;; the directories for a package name in a particular order.
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325 (if (catch 'done
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326 (let ((dirs '("lisp" "man"))
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327 rexp)
428
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328 (while dirs
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329 (setq rexp (concat "\\b" (car dirs)
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330 "[\\/]\\([^\\/]+\\)[\//]"))
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331 (if (re-search-forward rexp nil t)
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332 (throw 'done t))
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333 (setq dirs (cdr dirs)))))
428
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334 (progn
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335 (setq package-name (buffer-substring (match-beginning 1)
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336 (match-end 1)))
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cvs
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337
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338 ;; Get and erase the manifest buffer
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339 (setq manifest-buf (get-buffer-create manifest-buf))
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340 (buffer-disable-undo manifest-buf)
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cvs
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341 (erase-buffer manifest-buf)
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cvs
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342
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cvs
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343 ;; Now, scan through the output buffer, looking for
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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344 ;; file and directory names.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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345 (goto-char (point-min))
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cvs
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346 ;; for each line ...
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cvs
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347 (while (< (point) (point-max))
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348 (beginning-of-line)
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349 (setq pathname nil)
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350
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351 ;; scan through the regexps, looking for a pathname
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diff changeset
352 (if (catch 'found-path
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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353 (setq regexps package-admin-tar-filename-regexps)
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cvs
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354 (while regexps
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
355 (if (looking-at (car regexps))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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356 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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357 (setq pathname
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
358 (buffer-substring
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
359 (match-beginning 1)
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360 (match-end 1)))
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361 (throw 'found-path t)))
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diff changeset
362 (setq regexps (cdr regexps))))
428
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363 (progn
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364 ;; found a pathname -- add it to the manifest
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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365 ;; buffer
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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366 (save-excursion
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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367 (set-buffer manifest-buf)
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
368 (goto-char (point-max))
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diff changeset
369 (insert pathname "\n"))))
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diff changeset
370 (forward-line 1))
428
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371
3ecd8885ac67 Import from CVS: tag r21-2-22
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372 ;; Processed all lines.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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373 ;; Now, create the file, pkginfo/MANIFEST.<pkgname>
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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374
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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375 ;; We use `expand-file-name' instead of `concat',
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cvs
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376 ;; for portability.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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377 (setq pathname (expand-file-name "pkginfo"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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378 pkg-topdir))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
379 ;; Create pkginfo, if necessary
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
380 (if (not (file-directory-p pathname))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
381 (make-directory pathname))
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
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diff changeset
382 (setq pathname (expand-file-name
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
383 (concat "MANIFEST." package-name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
384 pathname))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
385 (save-excursion
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
386 (set-buffer manifest-buf)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
387 ;; Put the files in sorted order
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diff changeset
388 (if-fboundp 'sort-lines
79940b592197 [xemacs-hg @ 2002-03-15 07:43:14 by ben]
ben
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diff changeset
389 (sort-lines nil (point-min) (point-max))
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diff changeset
390 (warn "`xemacs-base' not installed, MANIFEST.%s not sorted"
02909207294a [xemacs-hg @ 2003-03-20 13:19:56 by youngs]
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diff changeset
391 package-name))
428
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392 ;; Write the file.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
393 ;; Note that using `write-region' *BYPASSES* any check
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
394 ;; to see if XEmacs is currently editing/visiting the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
395 ;; file.
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diff changeset
396 (write-region (point-min) (point-max) pathname))
02909207294a [xemacs-hg @ 2003-03-20 13:19:56 by youngs]
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diff changeset
397 (kill-buffer manifest-buf))))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
398 ;; Restore old case-fold-search status
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diff changeset
399 (setq case-fold-search old-case-fold-search))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
400
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
401 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
402 (defun package-admin-add-binary-package (file &optional pkg-dir)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
403 "Install a pre-bytecompiled XEmacs package into package hierarchy."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
404 (interactive "fPackage tarball: ")
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
405 (let ((buf (get-buffer-create package-admin-temp-buffer))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
406 (status 1)
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diff changeset
407 start err-list)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
408 (setq pkg-dir (package-admin-get-install-dir 'unknown pkg-dir))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
409 ;; Ensure that the current directory doesn't change
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
410 (save-excursion
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
411 (set-buffer buf)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
412 ;; This is not really needed
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
413 (setq default-directory (file-name-as-directory pkg-dir))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
414 (setq case-fold-search t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
415 (buffer-disable-undo)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
416 (goto-char (setq start (point-max)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
417 (if (= 0 (setq status (funcall package-admin-install-function
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
418 file pkg-dir buf)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
419 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
420 ;; First, check for errors.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
421 ;; We can't necessarily rely upon process error codes.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
422 (catch 'done
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
423 (goto-char start)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
424 (setq err-list package-admin-error-messages)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
425 (while err-list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
426 (if (re-search-forward (car err-list) nil t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
427 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
428 (setq status 1)
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youngs
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diff changeset
429 (throw 'done nil)))
02909207294a [xemacs-hg @ 2003-03-20 13:19:56 by youngs]
youngs
parents: 776
diff changeset
430 (setq err-list (cdr err-list))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
431 ;; Make sure that the MANIFEST file exists
1365
02909207294a [xemacs-hg @ 2003-03-20 13:19:56 by youngs]
youngs
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diff changeset
432 (package-admin-check-manifest buf pkg-dir))))
02909207294a [xemacs-hg @ 2003-03-20 13:19:56 by youngs]
youngs
parents: 776
diff changeset
433 status))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
434
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
435 (defun package-admin-rmtree (directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
436 "Delete a directory and all of its contents, recursively.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
437 This is a feeble attempt at making a portable rmdir."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
438 (setq directory (file-name-as-directory directory))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
439 (let ((files (directory-files directory nil nil nil t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
440 (dirs (directory-files directory nil nil nil 'dirs)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
441 (while dirs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
442 (if (not (member (car dirs) '("." "..")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
443 (let ((dir (expand-file-name (car dirs) directory)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
444 (condition-case err
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
445 (if (file-symlink-p dir) ;; just in case, handle symlinks
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
446 (delete-file dir)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
447 (package-admin-rmtree dir))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
448 (file-error
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
449 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
450 (setq dirs (cdr dirs))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
451 (while files
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
452 (condition-case err
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
453 (delete-file (expand-file-name (car files) directory))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
454 (file-error
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
455 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
456 (setq files (cdr files)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
457 (condition-case err
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
458 (delete-directory directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
459 (file-error
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
460 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
461
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
462 (defun package-admin-get-lispdir (pkg-topdir package)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
463 (let (package-lispdir)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
464 (if (and (setq package-lispdir (expand-file-name "lisp" pkg-topdir))
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465 (setq package-lispdir (expand-file-name (symbol-name package)
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466 package-lispdir))
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467 (file-accessible-directory-p package-lispdir))
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468 package-lispdir)))
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469
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470 (defun package-admin-delete-binary-package (package pkg-topdir)
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471 "Delete a binary installation of PACKAGE below directory PKG-TOPDIR.
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472 PACKAGE is a symbol, not a string."
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473 (let (manifest-file package-lispdir dirs file)
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474 (setq pkg-topdir (package-admin-get-install-dir package pkg-topdir))
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475 (setq manifest-file (package-admin-get-manifest-file pkg-topdir package))
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476 (run-hook-with-args 'package-delete-hook package pkg-topdir)
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477 (if (file-exists-p manifest-file)
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478 (progn
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479 ;; The manifest file exists! Use it to delete the old distribution.
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480 (message "Removing old files for package \"%s\" ..." package)
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481 (sit-for 0)
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482 (with-temp-buffer
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483 (buffer-disable-undo)
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484 (erase-buffer)
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485 (insert-file-contents manifest-file)
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486 (goto-char (point-min))
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487
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488 ;; For each entry in the MANIFEST ...
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489 (while (< (point) (point-max))
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490 (beginning-of-line)
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491 (setq file (expand-file-name (buffer-substring
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492 (point)
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493 (point-at-eol))
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494 pkg-topdir))
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495 (if (file-directory-p file)
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496 ;; Keep a record of each directory
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497 (setq dirs (cons file dirs))
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498 ;; Delete each file.
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499 ;; Make sure that the file is writable.
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500 ;; (This is important under MS Windows.)
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501 ;; I do not know why it important under MS Windows but
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502 ;; 1. It bombs out when the file does not exist. This can be condition-cased
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503 ;; 2. If I removed the write permissions, I do not want XEmacs to just ignore them.
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504 ;; If it wants to, XEmacs may ask, but that is about all
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505 ;; (set-file-modes file 438) ;; 438 -> #o666
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506 ;; Note, user might have removed the file!
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507 (condition-case ()
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508 (delete-file file)
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509 (error nil))) ;; We may want to turn the error into a Warning?
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510 (forward-line 1))
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511
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512 ;; Delete empty directories.
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513 (if dirs
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514 (progn
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515 (mapc
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516 (lambda (dir)
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517 (condition-case ()
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518 (delete-directory dir)))
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diff changeset
519 dirs)))
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520 ;; Delete the MANIFEST file
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521 ;; (set-file-modes manifest-file 438) ;; 438 -> #o666
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522 ;; Note. Packages can have MANIFEST in MANIFEST.
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523 (condition-case ()
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524 (delete-file manifest-file)
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525 (error nil)) ;; Do warning?
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526 (message "Removing old files for package \"%s\" ... done" package)))
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527 ;; The manifest file doesn't exist. Fallback to just deleting the
02909207294a [xemacs-hg @ 2003-03-20 13:19:56 by youngs]
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528 ;; package-specific lisp directory, if it exists.
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529 ;;
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530 ;; Delete old lisp directory, if any
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diff changeset
531 ;; Gads, this is ugly. However, we're not supposed to use `concat'
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diff changeset
532 ;; in the name of portability.
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diff changeset
533 (setq package-lispdir (package-admin-get-lispdir pkg-topdir package))
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parents: 1365
diff changeset
534 (when package-lispdir
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parents: 1365
diff changeset
535 (message "Removing old lisp directory \"%s\" ..." package-lispdir)
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parents: 1365
diff changeset
536 (sit-for 0)
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parents: 1365
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537 (package-admin-rmtree package-lispdir)
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diff changeset
538 (message "Removing old lisp directory \"%s\" ... done" package-lispdir)))
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539 ;; Delete the package from the database of installed packages.
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540 (package-delete-name package)))
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541
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542 (provide 'package-admin)
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543
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544 ;;; package-admin.el ends here