2 # Catch all in-source GPL2/3 license declarations and convert
5 # You expected this to be using diff & patch? Well, the source
6 # files have all sorts of different commenting and indentation
7 # styles, not speaking of typos and failed uses of search and
8 # replace, that an attempt in using the patch(1) tool would fail
9 # miserably. This script instead is based on my rgrep from 1998.
10 # Keeping it here as it may be useful to other projects under-
11 # going the same pains. It is forbidden to use this script to
12 # convert AGPL code back to less strict licensing. Haha, just
19 # Recurse into current or given directories
20 find(\&wanted, $#ARGV >= 0 ? @ARGV : '.');
26 my $name = $File::Find::name;
27 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime)
29 return $File::Find::prune = 1 if /^(CVS|\.git|\.svn)$/;
30 # Nicer if you 'make distclean' first
31 return if /\.(o|pdf)$/i;
32 return if -d _ or -l _;
33 return if /afferify/; # Don't apply this to itself ;)
34 # No.. i didn't do it.. just being careful ;) ;)
35 # return unless -T _; # We don't have binaries in the repo, do we?
37 # We need the default variable '$_' for more important duties.
40 if (sysopen(I, $f, O_RDONLY)) {
43 # Debugging: What's inside the file we just read?
44 # print STDERR '> ', $_;
47 # This code did the initial conversion. We ifdef it out.
49 # Good idea to have the text start with "GNUnet" rather than "This program"
50 if ( s#GNUnet is free software; you can redistribute it and/or modify it under the#GNUnet is free software: you can redistribute it and/or modify it# ) {
51 # Whoever had the idea of reformatting the GPL license text...
52 print STDERR "\nTrying wide style on $name\t";
54 # Most important thing to know in order to be able
55 # to read perl code: if regexps appear without any
56 # context, it means they are applied to the default
57 # variable being '$_'.
58 return unless s#terms of the GNU General Public License as published by the Free Software#under the terms of the GNU Affero General Public License as published#;
59 return unless s#^(\W*\s+)Foundation; either version \d, or \(at your option\) any later version\.#\1by the Free Software Foundation, either version 3 of the License,\n\1or (at your option) any later version.#m;
60 return unless s#GNUnet is distributed in the hope that it will be useful, but WITHOUT ANY#GNUnet is distributed in the hope that it will be useful, but#;
61 return unless s#WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR#WITHOUT ANY WARRANTY; without even the implied warranty of#;
62 return unless s#^(\W*\s+)A PARTICULAR PURPOSE. See the GNU General Public License for more details.#\1MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n\1Affero General Public License for more details.#m;
63 return unless s#^\W*\n\W*\s+You should have received a copy of the GNU General Public License along with\n\W*\s+GNUnet. see the file COPYING\. If not, .* see\s*\W*\s+<http://www.gnu.org/licenses/>\n##m;
65 # If this string is not in the file, leave it alone.
66 return unless s#GNUnet is free software; you can redistribute it and/or modify#GNUnet is free software: you can redistribute it and/or modify it#;
67 print STDERR "\nTrying regular style on $name\t";
69 # Patterns are designed to also match some typos and substitutions.
70 return unless s#it under the terms of the GNU General Public Lice\w+ as published#under the terms of the GNU Affero General Public License as published#;
71 return unless s#by the Free Software Foundation; either version \d, or \(at your#by the Free Software Foundation, either version 3 of the License,#;
72 return unless s#option\) any later version\.#or (at your option) any later version.#;
73 return unless s#General Public Lice\w+ for more details\.#Affero General Public License for more details.#;
74 return unless s#^\W*\n\W*\s+You should have received a copy of the GNU General Public Lice\w+\n\W*\s+along with GNUnet. see the file COPYING\. If not, write to the\n\W*\s+Free Software Foundation, Inc\., (51 Franklin Street, Fifth Floor|59 Tem ?ple Place - Suite 330),\n\W*\s+Boston, MA 0211\d-130\d, USA\.\n##m;
79 # This is the code in actual & current use:
81 return unless m#GNUnet is free software: you can redistribute it and/or modify it#;
82 print STDERR "\nTrying $name\t";
83 # There was a mistake in the replacement text!
84 return unless s#under the terms of the GNU General Public License as published#under the terms of the GNU Affero General Public License as published#;
85 # Don't apply this one twice!
86 # return unless s#(\n\W*)(\s+)(Affero General Public License for more details\.)#\1\2\3\1\1\2You should have received a copy of the GNU Affero General Public License\1\2along with this program. If not, see <http://www.gnu.org/licenses/>.#;
90 # We directly overwrite the original file in the
91 # assumption that we're in a healthy revertible git.
92 open(O, '>', $f) or die "Cannot overwrite $f";
93 # Imagine, I could have left out $_ here... ;)
97 die "Cannot access $name";
101 # Reads a file from a stream into a variable all at once:
103 # Perl sure gets clunky here