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########################################################################
##
## 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 {} {@var{list} =} list_forge_packages ()
## Undocumented internal function.
## @end deftypefn
function list = list_forge_packages ()
[list, succ] = urlread ("https://packages.octave.org/list_packages.php");
if (! succ)
error ("pkg: could not read URL, please verify internet connection");
endif
list = ostrsplit (list, " \n\t", true);
if (nargout == 0)
## FIXME: This is a convoluted way to get the latest version number
## for each package in less than 56 seconds (bug #39479).
## Get the list of all packages ever published
[html, succ] = urlread ('https://sourceforge.net/projects/octave/files/Octave%20Forge%20Packages/Individual%20Package%20Releases');
if (! succ)
error ("pkg: failed to fetch list of packages from sourceforge.net");
endif
## Scrape the HTML
ptn = '<tr\s+title="(.*?gz)"\s+class="file';
[succ, tok] = regexp (html, ptn, "start", "tokens");
if (isempty (succ))
error ("pkg: failed to parse list of packages from sourceforge.net");
endif
## Remove version numbers and produce unique list of packages
files = cellstr (tok);
pkg_names = cellstr (regexp (files, '^.*?(?=-\d)', "match"));
[~, idx] = unique (pkg_names, "first");
files = files(idx);
page_screen_output (false, "local");
puts ("Octave Forge provides these packages:\n");
for i = 1:length (list)
pkg_nm = list{i};
idx = regexp (files, sprintf ('^%s(?=-\\d)', pkg_nm));
idx = ! cellfun (@isempty, idx);
if (any (idx))
ver = regexp (files{idx}, '\d+\.\d+\.\d+', "match"){1};
else
ver = "unknown";
endif
printf (" %s %s\n", pkg_nm, ver);
endfor
endif
endfunction
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