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428
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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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444
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45 Three args are passed: FILENAME PKG-DIR BUFFER
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428
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46 Install package FILENAME into directory PKG-DIR, with any messages output
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444
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47 to buffer BUFFER.")
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428
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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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628
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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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428
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117 ;;;###autoload
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118 (defun package-admin-add-single-file-package (file destdir &optional pkg-dir)
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119 "Install a single file Lisp package into XEmacs package hierarchy.
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120 `file' should be the full path to the lisp file to install.
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121 `destdir' should be a simple directory name.
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122 The optional `pkg-dir' can be used to override the default package hierarchy
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123 \(car \(last late-packages))."
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124 (interactive "fLisp File: \nsDestination: ")
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125 (when (null pkg-dir)
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126 (setq pkg-dir (car (last late-packages))))
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127 (let ((destination (concat pkg-dir "/lisp/" destdir))
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128 (buf (get-buffer-create package-admin-temp-buffer)))
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129 (call-process "add-little-package.sh"
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130 nil
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131 buf
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132 t
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133 ;; rest of command line follows
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134 package-admin-xemacs file destination)))
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135
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444
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136 (defun package-admin-install-function-mswindows (file pkg-dir buffer)
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137 "Install function for mswindows."
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428
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138 (let ((default-directory (file-name-as-directory pkg-dir)))
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139 (unless (file-directory-p default-directory)
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140 (make-directory default-directory t))
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444
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141 (call-process "minitar" nil buffer t file)))
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428
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142
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444
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143 (defun package-admin-default-install-function (filename pkg-dir buffer)
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428
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144 "Default function to install a package.
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145 Install package FILENAME into directory PKG-DIR, with any messages output
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146 to BUFFER."
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428
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147 (let* ((pkg-dir (file-name-as-directory pkg-dir))
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148 (default-directory pkg-dir)
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444
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149 (filename (expand-file-name filename)))
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428
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150 (unless (file-directory-p pkg-dir)
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151 (make-directory pkg-dir t))
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152 ;; Don't assume GNU tar.
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444
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153 (if (shell-command (concat "gunzip -c " filename " | tar xvf -") buffer)
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428
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154 0
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155 1)
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156 ))
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157
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158 ; (call-process "add-big-package.sh"
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159 ; nil
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444
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160 ; buffer
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428
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161 ; t
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162 ; ;; rest of command line follows
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163 ; package-admin-xemacs file pkg-dir))
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164
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165 (defun package-admin-get-install-dir (package pkg-dir &optional mule-related)
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166 "If PKG-DIR is non-nil return that,
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167 else return the current location of the package if it is already installed
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168 or return a location appropriate for the package otherwise."
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169 (if pkg-dir
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170 pkg-dir
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171 (let ((package-feature (intern-soft (concat
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172 (symbol-name package) "-autoloads")))
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173 autoload-dir)
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174 (when (and (not (eq package 'unknown))
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175 (featurep package-feature)
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176 (setq autoload-dir (feature-file package-feature))
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177 (setq autoload-dir (file-name-directory autoload-dir))
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448
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178 (member autoload-dir (append early-package-load-path late-package-load-path)))
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440
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179 ;; Find the corresponding entry in late-package
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428
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180 (setq pkg-dir
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181 (car-safe (member-if (lambda (h)
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182 (string-match (concat "^" (regexp-quote h))
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183 autoload-dir))
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448
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184 (append (cdr early-packages) late-packages)))))
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428
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185 (if pkg-dir
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186 pkg-dir
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187 ;; Ok we need to guess
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188 (if mule-related
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189 (package-admin-get-install-dir 'mule-base nil nil)
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190 (if (eq package 'xemacs-base)
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191 (car (last late-packages))
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192 (package-admin-get-install-dir 'xemacs-base nil nil)))))))
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444
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193
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428
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194
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195
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196 (defun package-admin-get-manifest-file (pkg-topdir package)
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197 "Return the name of the MANIFEST file for package PACKAGE.
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198 Note that PACKAGE is a symbol, and not a string."
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199 (let (dir)
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200 (setq dir (expand-file-name "pkginfo" pkg-topdir))
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201 (expand-file-name (concat "MANIFEST." (symbol-name package)) dir)
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202 ))
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203
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204 (defun package-admin-check-manifest (pkg-outbuf pkg-topdir)
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205 "Check for a MANIFEST.<package> file in the package distribution.
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206 If it doesn't exist, create and write one.
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207 PKG-OUTBUF is the buffer that holds the output from `tar', and PKG-TOPDIR
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208 is the top-level directory under which the package was installed."
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209 (let ( (manifest-buf " *pkg-manifest*")
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210 old-case-fold-search regexp package-name pathname regexps)
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211 ;; Save and restore the case-fold-search status.
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212 ;; We do this in case we have to screw with it (as it the case of
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213 ;; case-insensitive filesystems such as MS Windows).
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214 (setq old-case-fold-search case-fold-search)
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215 (unwind-protect
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216 (save-excursion ;; Probably redundant.
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217 (set-buffer (get-buffer pkg-outbuf)) ;; Probably already the
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218 ;; current buffer.
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219 (goto-char (point-min))
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220
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221 ;; Make filenames case-insensitive, if necessary
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222 (if (eq system-type 'windows-nt)
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223 (setq case-fold-search t))
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224
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225 ;; We really should compute the regexp.
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226 ;; However, directory-sep-char is currently broken, but we need
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227 ;; functional code *NOW*.
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228 (setq regexp "\\bpkginfo[\\/]MANIFEST\\...*")
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229
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230 ;; Look for the manifest.
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231 (if (not (re-search-forward regexp nil t))
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232 (progn
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233 ;; We didn't find a manifest. Make one.
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234
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235 ;; Yuk. We weren't passed the package name, and so we have
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236 ;; to dig for it. Look for it as the subdirectory name below
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237 ;; "lisp", "man", "info", or "etc".
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238 ;; Here, we don't use a single regexp because we want to search
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239 ;; the directories for a package name in a particular order.
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240 ;; The problem is that packages could have directories like
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241 ;; "etc/sounds/" or "etc/photos/" and we don't want to get
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242 ;; these confused with the actual package name (although, in
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243 ;; the case of "etc/sounds/", it's probably correct).
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244 (if (catch 'done
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245 (let ( (dirs '("lisp" "info" "man" "etc")) rexp)
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246 (while dirs
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247 (setq rexp (concat "\\b" (car dirs)
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248 "[\\/]\\([^\\/]+\\)[\//]"))
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249 (if (re-search-forward rexp nil t)
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250 (throw 'done t))
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251 (setq dirs (cdr dirs))
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252 )))
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253 (progn
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254 (setq package-name (buffer-substring (match-beginning 1)
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255 (match-end 1)))
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256
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257 ;; Get and erase the manifest buffer
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258 (setq manifest-buf (get-buffer-create manifest-buf))
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259 (buffer-disable-undo manifest-buf)
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260 (erase-buffer manifest-buf)
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261
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262 ;; Now, scan through the output buffer, looking for
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263 ;; file and directory names.
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264 (goto-char (point-min))
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265 ;; for each line ...
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266 (while (< (point) (point-max))
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267 (beginning-of-line)
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268 (setq pathname nil)
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269
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270 ;; scan through the regexps, looking for a pathname
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271 (if (catch 'found-path
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272 (setq regexps package-admin-tar-filename-regexps)
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273 (while regexps
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274 (if (looking-at (car regexps))
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275 (progn
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276 (setq pathname
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277 (buffer-substring
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278 (match-beginning 1)
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279 (match-end 1)))
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280 (throw 'found-path t)
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281 ))
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282 (setq regexps (cdr regexps))
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283 )
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284 )
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285 (progn
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286 ;; found a pathname -- add it to the manifest
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287 ;; buffer
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288 (save-excursion
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289 (set-buffer manifest-buf)
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290 (goto-char (point-max))
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291 (insert pathname "\n")
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292 )
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293 ))
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294 (forward-line 1)
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295 )
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296
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297 ;; Processed all lines.
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298 ;; Now, create the file, pkginfo/MANIFEST.<pkgname>
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299
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300 ;; We use `expand-file-name' instead of `concat',
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301 ;; for portability.
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302 (setq pathname (expand-file-name "pkginfo"
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303 pkg-topdir))
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304 ;; Create pkginfo, if necessary
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305 (if (not (file-directory-p pathname))
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306 (make-directory pathname))
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444
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307 (setq pathname (expand-file-name
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428
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308 (concat "MANIFEST." package-name)
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309 pathname))
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310 (save-excursion
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311 (set-buffer manifest-buf)
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312 ;; Put the files in sorted order
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776
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313 (if-fboundp 'sort-lines
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314 (sort-lines nil (point-min) (point-max))
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315 (error 'unimplemented
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316 "`xemacs-base' not installed?"))
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428
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317 ;; Write the file.
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318 ;; Note that using `write-region' *BYPASSES* any check
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319 ;; to see if XEmacs is currently editing/visiting the
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320 ;; file.
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321 (write-region (point-min) (point-max) pathname)
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322 )
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323 (kill-buffer manifest-buf)
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324 )
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325 (progn
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326 ;; We can't determine the package name from an extracted
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327 ;; file in the tar output buffer.
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328 ))
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329 ))
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330 )
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331 ;; Restore old case-fold-search status
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332 (setq case-fold-search old-case-fold-search))
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333 ))
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334
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335 ;;;###autoload
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336 (defun package-admin-add-binary-package (file &optional pkg-dir)
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337 "Install a pre-bytecompiled XEmacs package into package hierarchy."
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338 (interactive "fPackage tarball: ")
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339 (let ((buf (get-buffer-create package-admin-temp-buffer))
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340 (status 1)
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341 start err-list
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342 )
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343 (setq pkg-dir (package-admin-get-install-dir 'unknown pkg-dir))
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344 ;; Ensure that the current directory doesn't change
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345 (save-excursion
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346 (set-buffer buf)
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347 ;; This is not really needed
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348 (setq default-directory (file-name-as-directory pkg-dir))
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349 (setq case-fold-search t)
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350 (buffer-disable-undo)
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351 (goto-char (setq start (point-max)))
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352 (if (= 0 (setq status (funcall package-admin-install-function
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353 file pkg-dir buf)))
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354 (progn
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355 ;; First, check for errors.
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356 ;; We can't necessarily rely upon process error codes.
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357 (catch 'done
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358 (goto-char start)
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359 (setq err-list package-admin-error-messages)
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360 (while err-list
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361 (if (re-search-forward (car err-list) nil t)
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362 (progn
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363 (setq status 1)
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364 (throw 'done nil)
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365 ))
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366 (setq err-list (cdr err-list))
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367 )
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368 )
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369 ;; Make sure that the MANIFEST file exists
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370 (package-admin-check-manifest buf pkg-dir)
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371 ))
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372 )
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373 status
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374 ))
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375
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376 (defun package-admin-rmtree (directory)
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377 "Delete a directory and all of its contents, recursively.
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378 This is a feeble attempt at making a portable rmdir."
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379 (setq directory (file-name-as-directory directory))
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380 (let ((files (directory-files directory nil nil nil t))
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381 (dirs (directory-files directory nil nil nil 'dirs)))
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382 (while dirs
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383 (if (not (member (car dirs) '("." "..")))
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384 (let ((dir (expand-file-name (car dirs) directory)))
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385 (condition-case err
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386 (if (file-symlink-p dir) ;; just in case, handle symlinks
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387 (delete-file dir)
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388 (package-admin-rmtree dir))
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389 (file-error
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390 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err)))))
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391 (setq dirs (cdr dirs))))
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392 (while files
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393 (condition-case err
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394 (delete-file (expand-file-name (car files) directory))
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395 (file-error
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396 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err))))
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397 (setq files (cdr files)))
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398 (condition-case err
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399 (delete-directory directory)
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400 (file-error
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401 (message "%s: %s: \"%s\"" (nth 1 err) (nth 2 err) (nth 3 err))))))
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402
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403 (defun package-admin-get-lispdir (pkg-topdir package)
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404 (let (package-lispdir)
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405 (if (and (setq package-lispdir (expand-file-name "lisp" pkg-topdir))
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406 (setq package-lispdir (expand-file-name (symbol-name package)
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407 package-lispdir))
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408 (file-accessible-directory-p package-lispdir))
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409 package-lispdir)
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410 ))
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411
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412 (defun package-admin-delete-binary-package (package pkg-topdir)
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413 "Delete a binary installation of PACKAGE below directory PKG-TOPDIR.
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414 PACKAGE is a symbol, not a string."
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415 (let ( (tmpbuf " *pkg-manifest*") manifest-file package-lispdir dirs file)
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416 (setq pkg-topdir (package-admin-get-install-dir package pkg-topdir))
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417 (setq manifest-file (package-admin-get-manifest-file pkg-topdir package))
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628
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418 (run-hook-with-args 'package-delete-hook package pkg-topdir)
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428
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419 (if (file-exists-p manifest-file)
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420 (progn
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421 ;; The manifest file exists! Use it to delete the old distribution.
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422 (message "Removing old files for package \"%s\" ..." package)
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423 (sit-for 0)
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424 (setq tmpbuf (get-buffer-create tmpbuf))
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425 (with-current-buffer tmpbuf
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426 (buffer-disable-undo)
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427 (erase-buffer)
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428 (insert-file-contents manifest-file)
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429 (goto-char (point-min))
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430
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431 ;; For each entry in the MANIFEST ...
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432 (while (< (point) (point-max))
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433 (beginning-of-line)
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434 (setq file (expand-file-name (buffer-substring
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435 (point)
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436 (point-at-eol))
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437 pkg-topdir))
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438 (if (file-directory-p file)
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439 ;; Keep a record of each directory
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440 (setq dirs (cons file dirs))
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441 ;; Delete each file.
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442 ;; Make sure that the file is writable.
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443 ;; (This is important under MS Windows.)
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444 ;; I do not know why it important under MS Windows but
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629
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445 ;; 1. It bombs out when the file does not exist. This can be condition-cased
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428
|
446 ;; 2. If I removed the write permissions, I do not want XEmacs to just ignore them.
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447 ;; If it wants to, XEmacs may ask, but that is about all
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448 ;; (set-file-modes file 438) ;; 438 -> #o666
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449 ;; Note, user might have removed the file!
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450 (condition-case ()
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451 (delete-file file)
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444
|
452 (error nil))) ;; We may want to turn the error into a Warning?
|
|
428
|
453 (forward-line 1))
|
|
444
|
454
|
|
428
|
455 ;; Delete empty directories.
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|
|
456 (if dirs
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457 (let ( (orig-default-directory default-directory)
|
|
442
|
458 ;; directory files file
|
|
|
459 )
|
|
428
|
460 ;; Make sure we preserve the existing `default-directory'.
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|
|
461 ;; JV, why does this change the default directory? Does it indeed?
|
|
|
462 (unwind-protect
|
|
|
463 (progn
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|
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464 ;; Warning: destructive sort!
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|
|
465 (setq dirs (nreverse (sort dirs 'string<)))
|
|
|
466 ; ;; For each directory ...
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|
|
467 ; (while dirs
|
|
|
468 ; (setq directory (file-name-as-directory (car dirs)))
|
|
|
469 ; (setq files (directory-files directory))
|
|
|
470 ; ;; Delete the directory if it's empty.
|
|
|
471 ; (if (catch 'done
|
|
|
472 ; (while files
|
|
|
473 ; (setq file (car files))
|
|
|
474 ; (if (and (not (string= file "."))
|
|
|
475 ; (not (string= file "..")))
|
|
|
476 ; (throw 'done nil))
|
|
|
477 ; (setq files (cdr files))
|
|
|
478 ; )
|
|
|
479 ; t)
|
|
|
480 ; (
|
|
|
481 ; (delete-directory directory))
|
|
|
482 ; (setq dirs (cdr dirs))
|
|
|
483 ; )
|
|
|
484 ;; JV, On all OS's that I know of delete-directory fails on
|
|
|
485 ;; on non-empty dirs anyway
|
|
|
486 (mapc
|
|
|
487 (lambda (dir)
|
|
|
488 (condition-case ()
|
|
|
489 (delete-directory dir)))
|
|
444
|
490 dirs))
|
|
428
|
491 (setq default-directory orig-default-directory)
|
|
|
492 )))
|
|
|
493 )
|
|
|
494 (kill-buffer tmpbuf)
|
|
|
495 ;; Delete the MANIFEST file
|
|
|
496 ;; (set-file-modes manifest-file 438) ;; 438 -> #o666
|
|
|
497 ;; Note. Packages can have MANIFEST in MANIFEST.
|
|
|
498 (condition-case ()
|
|
|
499 (delete-file manifest-file)
|
|
|
500 (error nil)) ;; Do warning?
|
|
|
501 (message "Removing old files for package \"%s\" ... done" package))
|
|
|
502 ;; The manifest file doesn't exist. Fallback to just deleting the
|
|
|
503 ;; package-specific lisp directory, if it exists.
|
|
|
504 ;;
|
|
|
505 ;; Delete old lisp directory, if any
|
|
|
506 ;; Gads, this is ugly. However, we're not supposed to use `concat'
|
|
|
507 ;; in the name of portability.
|
|
|
508 (when (setq package-lispdir (package-admin-get-lispdir pkg-topdir
|
|
|
509 package))
|
|
|
510 (message "Removing old lisp directory \"%s\" ..."
|
|
|
511 package-lispdir)
|
|
|
512 (sit-for 0)
|
|
|
513 (package-admin-rmtree package-lispdir)
|
|
|
514 (message "Removing old lisp directory \"%s\" ... done"
|
|
|
515 package-lispdir)
|
|
444
|
516 ))
|
|
428
|
517 ;; Delete the package from the database of installed packages.
|
|
|
518 (package-delete-name package)))
|
|
|
519
|
|
|
520 (provide 'package-admin)
|
|
|
521
|
|
|
522 ;;; package-admin.el ends here
|
