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) 1998 Christian Schwarz and Richard Braakman
# Copyright (C) 2013 Niels Thykier
# Copyright (C) 2017 Chris Lamb <lamby@debian.org>
# Copyright (C) 2020 Felix Lechner
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, you can find it on the World Wide
# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.
package Lintian::Version;
use v5.20;
use warnings;
use utf8;
our @EXPORT_OK = (
qw(
guess_version
)
);
use Exporter qw(import);
use Const::Fast;
use Unicode::UTF8 qw(decode_utf8);
use Lintian::IPC::Run3 qw(safe_qx);
use Lintian::Util qw(version_from_changelog);
const my $EMPTY => q{};
=head1 NAME
Lintian::Version - routines to determine Lintian version
=head1 SYNOPSIS
use Lintian::Version;
=head1 DESCRIPTION
Lintian::Version can help guess the current Lintian version.
=head1 INSTANCE METHODS
=over 4
=item guess_version
=cut
sub guess_version {
my ($lintian_base) = @_;
my $guess = version_from_git($lintian_base);
$guess ||= version_from_changelog($lintian_base);
return $guess;
}
=item version_from_git
=cut
sub version_from_git {
my ($source_path) = @_;
my $git_path = "$source_path/.git";
return $EMPTY
unless -d $git_path;
# Example outputs:
# 2.115.3-49-g086a9a113
# 2.115.3-49-g086a9a113-dirty
my $describe = decode_utf8(
safe_qx('git', "--git-dir=$git_path", 'describe', '--dirty'));
chomp $describe;
# Modify it to make it a valid native version number and make it
# look more debianish like these:
# 2.115.3+49commits+git086a9a113
# 2.115.3+49commits+git086a9a113+dirty
my $guess = $describe;
$guess =~ s/ - ( \d+ ) -g /+${1}commits+git/sx;
$guess =~ s/ - /+/sxg;
return ($guess // $EMPTY);
}
=back
=head1 AUTHOR
Originally written by Niels Thykier <niels@thykier.net> for Lintian.
=head1 SEE ALSO
lintian(1)
=cut
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
|
