The Perl Toolchain Summit 2025 Needs You: You can help 🙏 Learn more

THALJEF / Pinto-0.14 / lib / Pinto / Action / Diff.pm 

            

              
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
130
131
132
133
134
135

              
# ABSTRACT: Show the difference between stacks or revisions
package Pinto::Action::Diff;
use Moose;
use MooseX::Aliases;
use MooseX::StrictConstructor;
use MooseX::MarkAsMethods ( autoclean => 1 );
use MooseX::Types::Moose qw(Bool Str);
use Pinto::Difference;
use Pinto::Constants qw(:color :diff);
use Pinto::Types qw(StackName StackDefault StackObject RevisionID DiffStyle);
use Pinto::Util qw(throw default_diff_style);
#------------------------------------------------------------------------------
our $VERSION = '0.14'; # VERSION
#------------------------------------------------------------------------------
extends qw( Pinto::Action );
#------------------------------------------------------------------------------
has left => (
    is      => 'ro',
    isa     => StackName | StackObject | StackDefault | RevisionID,
    default => undef,
);
has right => (
    is       => 'ro',
    isa      => StackName | StackObject | RevisionID,
    required => 1,
);
has style => (
    is       => 'ro',
    isa      => DiffStyle,
    alias    => 'diff_style',
    default  => \&default_diff_style,
    lazy     => 1,
);
has format => (
    is      => 'ro',
    isa     => Str,
    builder => '_build_format',
);
sub _build_format {
    my ($self) = @_;
    return $self->style eq $PINTO_DIFF_STYLE_DETAILED
        ? '%o[%F] %-40p %12v %a/%f'
        : '%o[%F] %a/%f';
}
#------------------------------------------------------------------------------
sub execute {
    my ($self) = @_;
    my $error_message = qq{"%s" does not match any stack or revision};
    my $left =
           $self->repo->get_stack_maybe( $self->left )
        || $self->repo->get_revision_maybe( $self->left )
        || throw sprintf $error_message, $self->left;
    my $right =
           $self->repo->get_stack_maybe( $self->right )
        || $self->repo->get_revision_maybe( $self->right )
        || throw sprintf $error_message, $self->right;
    my $diff = Pinto::Difference->new( left  => $left,
                                       right => $right,
                                       style => $self->style );
    # TODO: Extract the colorizing & formatting code into a separate
    # class that can be reused.  Maybe subclassed for HTML and text.
    if ( $diff->is_different ) {
        $self->show( "--- $left",  { color => $PINTO_PALETTE_COLOR_1 } );
        $self->show( "+++ $right", { color => $PINTO_PALETTE_COLOR_1 } );
    }
    for my $entry ( $diff->entries ) {
        my $color  = $entry->is_addition ? $PINTO_PALETTE_COLOR_0 : $PINTO_PALETTE_COLOR_2;
        my $string = $entry->to_string( $self->format );
        $self->show( $string, { color => $color } );
    }
    $self->notice('No difference') if not $diff->is_different;
    return $self->result;
}
#-------------------------------------------------------------------------------
__PACKAGE__->meta->make_immutable;
#------------------------------------------------------------------------------
1;
__END__
=pod
=encoding UTF-8
=for :stopwords Jeffrey Ryan Thalhammer
=head1 NAME
Pinto::Action::Diff - Show the difference between stacks or revisions
=head1 VERSION
version 0.14
=head1 AUTHOR
Jeffrey Ryan Thalhammer <jeff@stratopan.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2015 by Jeffrey Ryan Thalhammer.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut