aboutsummaryrefslogtreecommitdiffstats
path: root/Tools/scripts/convert-makefile-header.pl
blob: 32b38504719b6adf31d47a81ce19e8b118c0fa24 (plain) (blame)
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
123
124
125
126
127
128
129
#!/usr/bin/env perl
#
# convert-makefile-header.pl - perl script that converts old style Makefile
# headers to the new format.
#
# Created by: Emanuel Haupt <ehaupt@FreeBSD.org>
#
# MAINTAINER=   ehaupt@FreeBSD.org
#
# $FreeBSD$

use strict;
use warnings;

use File::Basename;
use Getopt::Long qw(:config posix_default no_ignore_case);

sub usage() {
    my $bn=basename($0);
    print(<< "_ENOUSAGE");
Usage: $bn [OPTION] PORT
  -c                    use 'created by' header (default)
  -r                    use simple \$FreeBSD\$ RCS string header
                        (make sure the original creator is ok with this)
  -h, --help            this help
  -n, --nowrite         don't change file, just print what would be done

_ENOUSAGE
}

my $nicepeople=".*(avilla@|bapt@|bdrewery@|beat@|eadler@|flo@|flz@|garga@|bsdkaffee@|linimon@|makc@|araujo@|rm@|villa.alberto@|crees@|pgollucci@).*";

sub get_creator($) {
    my $header=shift;
    my $creator;
    for my $line (@$header) {
        if($line=~m'\s+whom:\s+(.*)'i) {
            return $1;
        } elsif($line=~m'\s+Created by:\s+(.*)'i) {
            return $1;
        }
    }
    return $creator;
}

sub get_mcom($) {
    my $header=shift;
    my $mcom;
    for my $line (@$header) {
        if ($line=~m'\$MCom:'i) {
            return $line;
        }
    }
    return "";
}

MAIN: {
    # get options
    my $opt={};
    GetOptions($opt, 'help|h', 'rcsonly|r', 'createdby|c', 'nowrite|n');

    if(defined($opt->{help})) {
        usage();
        exit 0;
    }

    if(not @ARGV) {
        push(@ARGV, '.');
    }

    for my $arg (@ARGV) {
        my @header;
        my @makefile;
        my $in_header=1;
        if(-f "$arg/Makefile") {
            my $mf=$arg . "/Makefile";
            open(F,'<'.$mf);
            while(my $line=<F>) {
                chomp($line);
                if($line=~m'^#' and $in_header) {
                    push(@header, $line);
                } else {
                    $in_header=0;
                    push(@makefile, $line);
                }
            }
            close(F);

            my $outh;
            if(defined($opt->{nowrite})) {
                $outh = \*STDOUT;
            } else {
                open(MF,'>'.$mf.'.tmp_header_rename');
                $outh = \*MF;
            }

            # write new Makefile
            if(defined($opt->{rcsonly})) {
                print $outh "# \$FreeBSD\$\n";
            } elsif(defined($opt->{createdby}) || !defined($opt->{rcsonly})) {
                my $creator=get_creator(\@header);
                my $mcom=get_mcom(\@header);
                if(defined($creator)) {
                    if ($creator!~m"$nicepeople"i) {
                        print $outh "# Created by: $creator\n";
                    }
                } else {
                    print STDERR "$mf creator not found. Reverting to RCS string only.\n";
                }
                print $outh "# \$FreeBSD\$\n";
                print $outh $mcom;
            }
        
            for my $line (@makefile) {
                print $outh $line . "\n";
            }

            if(not defined($opt->{nowrite})) {
                # move new Makefile
                `mv $mf $mf.orig`;
                `mv $mf.tmp_header_rename $mf`;
                print STDERR "$mf converted.\n";
            }

        } else {
            print STDERR "$arg/Makefile does not exist.\n";
        }
    }
}