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annotate scripts/pkg/private/uninstall.m @ 17483:bddb9688e41c

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feather.m: Overhaul function for Matlab visual compatibility. * scripts/plot/feather.m: Reduce length of arrowhead size to 0.20 of arrow shaft. Change arrow head angle with shaft from 45 to 30 degrees. Use variable 'h' instead of 'retval' to match documentation. Redo input validation. Add %!error input validation tests.
author Rik <rik@octave.org>
date Tue, 24 Sep 2013 13:17:04 -0700
parents 1c89599167a6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
14473
a46b8b0bd325 doc: Fix the encoding in Søren's name
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
1 ## Copyright (C) 2005-2012 Søren 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}, @var{verbose}, @var{local_list}, @var{global_list}, @var{global_install})
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22 ## Undocumented internal function.
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23 ## @end deftypefn
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24
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25 function uninstall (pkgnames, handle_deps, verbose, local_list,
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26 global_list, global_install)
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27 ## Get the list of installed packages.
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28 [local_packages, global_packages] = installed_packages(local_list,
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29 global_list);
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30 if (global_install)
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31 installed_pkgs_lst = {local_packages{:}, global_packages{:}};
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32 else
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33 installed_pkgs_lst = local_packages;
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34 endif
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35
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36 num_packages = length (installed_pkgs_lst);
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37 delete_idx = [];
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38 for i = 1:num_packages
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39 cur_name = installed_pkgs_lst{i}.name;
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40 if (any (strcmp (cur_name, pkgnames)))
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41 delete_idx(end+1) = i;
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42 endif
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43 endfor
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44
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45 ## Are all the packages that should be uninstalled already installed?
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46 if (length (delete_idx) != length (pkgnames))
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47 if (global_install)
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48 ## Try again for a locally installed package.
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49 installed_pkgs_lst = local_packages;
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50
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51 num_packages = length (installed_pkgs_lst);
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52 delete_idx = [];
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53 for i = 1:num_packages
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54 cur_name = installed_pkgs_lst{i}.name;
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55 if (any (strcmp (cur_name, pkgnames)))
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56 delete_idx(end+1) = i;
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57 endif
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58 endfor
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59 if (length (delete_idx) != length (pkgnames))
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60 ## FIXME: We should have a better error message.
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61 warning ("some of the packages you want to uninstall are not installed");
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62 endif
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63 else
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64 ## FIXME: We should have a better error message.
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65 warning ("some of the packages you want to uninstall are not installed");
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66 endif
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67 endif
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68
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69 ## Compute the packages that will remain installed.
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70 idx = setdiff (1:num_packages, delete_idx);
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71 remaining_packages = {installed_pkgs_lst{idx}};
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72
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73 ## Check dependencies.
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74 if (handle_deps)
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75 error_text = "";
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76 for i = 1:length (remaining_packages)
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77 desc = remaining_packages{i};
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78 bad_deps = get_unsatisfied_deps (desc, remaining_packages);
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79
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80 ## Will the uninstallation break any dependencies?
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81 if (! isempty (bad_deps))
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82 for i = 1:length (bad_deps)
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83 dep = bad_deps{i};
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84 error_text = [error_text " " desc.name " needs " ...
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85 dep.package " " dep.operator " " dep.version "\n"];
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86 endfor
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87 endif
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88 endfor
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89
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90 if (! isempty (error_text))
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91 error ("the following dependencies where unsatisfied:\n %s", error_text);
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92 endif
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93 endif
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94
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95 ## Delete the directories containing the packages.
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96 for i = delete_idx
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97 desc = installed_pkgs_lst{i};
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98 ## If an 'on_uninstall.m' exist, call it!
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99 if (exist (fullfile (desc.dir, "packinfo", "on_uninstall.m"), "file"))
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100 wd = pwd ();
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101 cd (fullfile (desc.dir, "packinfo"));
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102 on_uninstall (desc);
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103 cd (wd);
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104 endif
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105 ## Do the actual deletion.
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106 if (desc.loaded)
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107 rmpath (desc.dir);
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108 if (exist (getarchdir (desc)))
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109 rmpath (getarchdir (desc));
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110 endif
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111 endif
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112 if (exist (desc.dir, "dir"))
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113 [status, msg] = rmdir (desc.dir, "s");
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114 if (status != 1 && exist (desc.dir, "dir"))
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115 error ("couldn't delete directory %s: %s", desc.dir, msg);
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116 endif
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117 [status, msg] = rmdir (getarchdir (desc), "s");
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118 if (status != 1 && exist (getarchdir (desc), "dir"))
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119 error ("couldn't delete directory %s: %s", getarchdir (desc), msg);
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120 endif
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121 if (dirempty (desc.archprefix))
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122 rmdir (desc.archprefix, "s");
14466
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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123 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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124 else
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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125 warning ("directory %s previously lost", desc.dir);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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126 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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127 endfor
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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128
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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129 ## Write a new ~/.octave_packages.
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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130 if (global_install)
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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131 if (length (remaining_packages) == 0)
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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132 unlink (global_list);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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133 else
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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134 global_packages = save_order (remaining_packages);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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135 save (global_list, "global_packages");
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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136 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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137 else
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
138 if (length (remaining_packages) == 0)
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
139 unlink (local_list);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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140 else
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
141 local_packages = save_order (remaining_packages);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
142 save (local_list, "local_packages");
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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143 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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144 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
145
cfb0173fe1ca maint: Refactor pkg.m and move subfunctions to private/ directory.
Carlo de Falco <kingcrimson@tiscali.it>
parents:
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146 endfunction
17346
1c89599167a6 maint: End m-files with 1 blank line.
Rik <rik@octave.org>
parents: 16994
diff changeset
147