xref: /freebsd/tools/build/freebsd-yeet.pl (revision 734e82fe33aa764367791a7d603b383996c6b40b)
1# Remove almost all of the $ FreeBSD $ tags in the tree.
2#
3# Copyright (c) 2023, Warner Losh
4# SPDX-License-Identifier: BSD-2-Clause
5#
6# Needs p5-File-Lib package
7# Caveat Emptor
8#
9use strict;
10use warnings;
11use File::Find;
12
13sub skip_list
14{
15    my $fn = $_[0];
16
17    if ($fn =~ m=^./contrib/=) {
18	return 1;
19    }
20    if ($fn =~ m=^./sys/contrib/=) {
21	return 1;
22    }
23    if ($fn =~ m=^./cddl/contrib/=) {
24	return 1;
25    }
26    if ($fn =~ m=^./crypto/=) {
27	return 1;
28    }
29    if ($fn =~ m=^./.git/=) {
30	return 1;
31    }
32    if ($fn =~ m=~$=) {
33	return 1;
34    }
35    return 0;
36}
37
38my $pretty;
39my $pattern;
40my $repl;
41my $count;
42
43sub do_one
44{
45    $pretty = $_[0];
46    $pattern = $_[1];
47    $repl = "";
48    $repl = $_[2] if defined($_[2]);
49    $count = 0;
50
51    sub findfiles
52    {
53	return unless -f;
54	my $fn="$File::Find::name";
55	return if skip_list($fn);
56	open my $fh, '<', $_ or die "Can't open $fn: $!\n";
57	local $/;
58	my $file = <$fh>;
59	close $fh;
60	my $len = length($file);
61
62	$file =~ s=$pattern=$repl=gm;
63	my $len2 = length($file);
64	return if $len2 == $len;
65	print "$pretty: $fn\n";
66	open my $fhw, '>', $_ or die "Can't write $fn: $!\n";
67	print $fhw $file;
68	close $fhw;
69	$count++;
70    }
71
72    $count = 0;
73    find({ wanted => \&findfiles, }, './sys');
74    if ($count > 0) {
75	print "Changed $pretty\n";
76	system("git commit -a -m'sys: Remove \$FreeBSD\$: $pretty\n\nRemove /$pattern/'");
77    }
78    $count = 0;
79    find({ wanted => \&findfiles, }, '.');
80    if ($count > 0) {
81	print "Changed $pretty\n";
82	system("git commit -a -m'Remove \$FreeBSD\$: $pretty\n\nRemove /$pattern/'");
83    }
84}
85
86# Note: Do two line before one line
87do_one("sound driver version", 'SND_DECLARE_FILE\("\$FreeBSD\$"\);', 'SND_DECLARE_FILE("");');
88do_one("one-line m4 tag", '^dnl\s*\$FreeBSD\$.*$\n');
89do_one("two-line .h pattern", '^\s*\*\n \*\s+\$FreeBSD\$$\n');
90do_one("one-line .h pattern", '^\s*\*+\s*\$FreeBSD\$.*$\n');
91do_one("one-line .c comment pattern", '^/[*/]\s*\$FreeBSD\$.*\n');
92do_one("two-line .c pattern", '^#include\s+<sys/cdefs.h>.*$\n\s+__FBSDID\("\$FreeBSD\$"\);\n');
93do_one("one-line .c pattern", '^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n');
94do_one("alt two-line .c pattern", '^\s*__RCSID\("\$FreeBSD\$"\);\n\n');
95do_one("alt one-line .c pattern", '^\s*__RCSID\("\$FreeBSD\$"\);\n');
96do_one("one-line .S pattern", '^\s\.(asciz|ident)\s+\"\$FreeBSD\$\".*\n');
97do_one("one-line sh pattern", '^\s*#[#!]?\s*\$FreeBSD\$.*$\n');
98do_one("two-line nroff pattern", '^\.\\\\"\n\.\\\\"\s*\$FreeBSD\$$\n');
99do_one("one-line nroff pattern", '^\.\\\\"\s*\$FreeBSD\$$\n');
100do_one("one-line bare tag", '^\s*\$FreeBSD\$$\n');
101do_one("one-line catalog", '^\s*\$\s*\$FreeBSD\$$\n');
102do_one("two-line lua tag", '^--\n--\s*\$FreeBSD\$.*$\n');
103do_one("one-line lua tag", '^--\s*\$FreeBSD\$.*$\n');
104do_one("one-line ps tag", '^%\s*RCSID:\s*\$FreeBSD\$.*$\n');
105do_one("one-line forth tag", '^\\\\[\s*]*\$FreeBSD\$.*$\n');
106do_one("one-line xdr pattern", '^\s*%\s*__FBSDID\("\$FreeBSD\$"\);?\s*\n');
107exit;
108