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annotate scripts/pkg/private/uninstall.m @ 14470:aad7ad0e15c1

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maint: Remove redundant private function from the package manager. * pkg/private/isautoload.m: remove file. * pkg/private/install.m: remove calls to isautoload.
author Carlo de Falco <kingcrimson@tiscali.it>
date Fri, 16 Mar 2012 18:54:34 +0100
parents cfb0173fe1ca
children d2c095e45196
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
14466
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1 ## Copyright (C) 2005-2012 S�ren Hauberg
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2 ## Copyright (C) 2010 VZLU Prague, a.s.
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} uninstall (@var{pkgnames}, @var{handle_deps},
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22 ## @var{verbose}, @var{local_list}, @var{global_list}, @var{global_install})
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23 ## Undocumented internal function.
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24 ## @end deftypefn
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25
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26 function uninstall (pkgnames, handle_deps, verbose, local_list,
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27 global_list, global_install)
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28 ## Get the list of installed packages.
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29 [local_packages, global_packages] = installed_packages(local_list,
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30 global_list);
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31 if (global_install)
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32 installed_pkgs_lst = {local_packages{:}, global_packages{:}};
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33 else
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34 installed_pkgs_lst = local_packages;
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35 endif
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36
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37 num_packages = length (installed_pkgs_lst);
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38 delete_idx = [];
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39 for i = 1:num_packages
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40 cur_name = installed_pkgs_lst{i}.name;
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41 if (any (strcmp (cur_name, pkgnames)))
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42 delete_idx(end+1) = i;
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43 endif
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44 endfor
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45
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46 ## Are all the packages that should be uninstalled already installed?
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47 if (length (delete_idx) != length (pkgnames))
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48 if (global_install)
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49 ## Try again for a locally installed package.
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50 installed_pkgs_lst = local_packages;
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51
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52 num_packages = length (installed_pkgs_lst);
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53 delete_idx = [];
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54 for i = 1:num_packages
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55 cur_name = installed_pkgs_lst{i}.name;
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56 if (any (strcmp (cur_name, pkgnames)))
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57 delete_idx(end+1) = i;
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58 endif
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59 endfor
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60 if (length (delete_idx) != length (pkgnames))
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61 ## FIXME: We should have a better error message.
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62 warning ("some of the packages you want to uninstall are not installed");
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63 endif
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64 else
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65 ## FIXME: We should have a better error message.
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66 warning ("some of the packages you want to uninstall are not installed");
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67 endif
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68 endif
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69
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70 ## Compute the packages that will remain installed.
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71 idx = setdiff (1:num_packages, delete_idx);
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72 remaining_packages = {installed_pkgs_lst{idx}};
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73
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74 ## Check dependencies.
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75 if (handle_deps)
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76 error_text = "";
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77 for i = 1:length (remaining_packages)
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78 desc = remaining_packages{i};
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79 bad_deps = get_unsatisfied_deps (desc, remaining_packages);
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80
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81 ## Will the uninstallation break any dependencies?
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82 if (! isempty (bad_deps))
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83 for i = 1:length (bad_deps)
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84 dep = bad_deps{i};
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85 error_text = cstrcat (error_text, " ", desc.name, " needs ",
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86 dep.package, " ", dep.operator, " ",
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87 dep.version, "\n");
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88 endfor
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89 endif
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90 endfor
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91
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92 if (! isempty (error_text))
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93 error ("the following dependencies where unsatisfied:\n %s", error_text);
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94 endif
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95 endif
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96
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97 ## Delete the directories containing the packages.
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98 for i = delete_idx
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99 desc = installed_pkgs_lst{i};
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100 ## If an 'on_uninstall.m' exist, call it!
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101 if (exist (fullfile (desc.dir, "packinfo", "on_uninstall.m"), "file"))
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102 wd = pwd ();
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103 cd (fullfile (desc.dir, "packinfo"));
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104 on_uninstall (desc);
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105 cd (wd);
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106 endif
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107 ## Do the actual deletion.
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108 if (desc.loaded)
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109 rmpath (desc.dir);
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110 if (exist (getarchdir (desc)))
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111 rmpath (getarchdir (desc));
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112 endif
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113 endif
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114 if (exist (desc.dir, "dir"))
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115 [status, msg] = rm_rf (desc.dir);
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116 if (status != 1)
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117 error ("couldn't delete directory %s: %s", desc.dir, msg);
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118 endif
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119 [status, msg] = rm_rf (getarchdir (desc));
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120 if (status != 1)
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121 error ("couldn't delete directory %s: %s", getarchdir (desc), msg);
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122 endif
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123 if (dirempty (desc.archprefix))
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parents:
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124 rm_rf (desc.archprefix);
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125 endif
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126 else
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127 warning ("directory %s previously lost", desc.dir);
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128 endif
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parents:
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129 endfor
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parents:
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130
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parents:
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131 ## Write a new ~/.octave_packages.
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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132 if (global_install)
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parents:
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133 if (length (remaining_packages) == 0)
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parents:
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134 unlink (global_list);
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parents:
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135 else
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parents:
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136 global_packages = save_order (remaining_packages);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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137 save (global_list, "global_packages");
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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138 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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139 else
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parents:
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140 if (length (remaining_packages) == 0)
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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141 unlink (local_list);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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142 else
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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143 local_packages = save_order (remaining_packages);
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parents:
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144 save (local_list, "local_packages");
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parents:
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145 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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146 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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147
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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148 endfunction