1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
########################################################################
##
## Copyright (C) 2005-2024 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## This file is part of Octave.
##
## Octave is free software: you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, see
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {} unload_packages (@var{files}, @var{handle_deps}, @var{local_list}, @var{global_list})
## Undocumented internal function.
## @end deftypefn
function unload_packages (files, handle_deps, local_list, global_list)
installed_pkgs_lst = installed_packages (local_list, global_list);
num_packages = numel (installed_pkgs_lst);
## Add inverse dependencies to field "invdeps" of installed_pkgs_lst
installed_pkgs_lst = get_inverse_dependencies (installed_pkgs_lst);
## Read package names and installdirs into a more convenient format.
pnames = cellfun (@(x) x.name, installed_pkgs_lst, "UniformOutput", false);
pdirs = cellfun (@(x) x.dir, installed_pkgs_lst, "UniformOutput", false);
## Get the current octave path.
p = strtrim (ostrsplit (path (), pathsep ()));
## Unload package_name1 ...
dirs = {};
desc = {};
idx = find (ismember (pnames, files));
missing_pkgs = setdiff (files, pnames(idx));
if (! isempty (missing_pkgs))
missing_pkgs = strjoin (missing_pkgs, " & ");
error ("pkg: package(s): %s not installed", missing_pkgs);
endif
dirs = pdirs(idx);
desc = installed_pkgs_lst(idx);
if (handle_deps)
## Check for loaded inverse dependencies of packages to be unloaded.
## First create a list of loaded packages.
jdx = find (cellfun (@(x) x.loaded, installed_pkgs_lst));
## Exclude packages requested to be unloaded
jdx = setdiff (jdx, idx);
loaded_pkgs = installed_pkgs_lst(jdx);
lpnames = pnames(jdx);
p2unload = pnames(idx);
linvdeps = {};
for i = 1:numel (desc)
## Which inverse dependencies depend on this package-to-be-unloaded?
linvdeps = [linvdeps, get_inv_deps(desc{i}, loaded_pkgs, lpnames){:}];
endfor
if (! isempty (linvdeps))
linvdeps = unique (linvdeps);
txt = strjoin (linvdeps, "\n\t - ");
error (["pkg: the following loaded package(s):\n", ...
"\t - %s\n", ...
"depend on the one(s) you want to unload.\n", ...
"Either unload any depender package(s), or use the '-nodeps' flag.\n", ...
"Note: the '-nodeps' flag may affect functionality of these packages.\n"],
txt);
endif
endif
## Check for architecture dependent directories.
archdirs = {};
for i = 1:numel (dirs)
tmpdir = getarchdir (desc{i});
if (isfolder (tmpdir))
archdirs{end+1} = dirs{i};
archdirs{end+1} = tmpdir;
else
archdirs{end+1} = dirs{i};
endif
endfor
## Unload the packages.
for i = 1:numel (archdirs)
d = archdirs{i};
idx = strcmp (p, d);
if (any (idx))
rmpath (d);
## FIXME: We should also check if we need to remove items from EXEC_PATH.
if (isguirunning)
__event_manager_update_gui_lexer__;
endif
endif
endfor
endfunction
function linvdeps = get_inv_deps (desc, loaded_pkgs, lpnames)
## Which nested loaded inverse dependencies depend on the package in desc?
linvdeps = intersect (desc.invdeps, lpnames);
for i = 1:numel (linvdeps)
kdx = find (ismember (lpnames, linvdeps{i}));
linvdeps = [ linvdeps (get_inv_deps (loaded_pkgs{kdx}, ...
loaded_pkgs, lpnames)){:} ];
endfor
endfunction
|
