Commit | Line | Data |
3fea05b9 |
1 | package Git::PurePerl::Pack::WithIndex; |
2 | use Moose; |
3 | use MooseX::StrictConstructor; |
4 | use namespace::autoclean; |
5 | |
6 | extends 'Git::PurePerl::Pack'; |
7 | |
8 | has 'index_filename' => |
9 | ( is => 'rw', isa => 'Path::Class::File', required => 0, coerce => 1 ); |
10 | has 'index' => |
11 | ( is => 'rw', isa => 'Git::PurePerl::PackIndex', required => 0 ); |
12 | |
13 | sub BUILD { |
14 | my $self = shift; |
15 | my $index_filename = $self->filename; |
16 | $index_filename =~ s/\.pack/.idx/; |
17 | $self->index_filename($index_filename); |
18 | |
19 | my $index_fh = IO::File->new($index_filename) || confess($!); |
20 | $index_fh->binmode(); |
21 | $index_fh->read( my $signature, 4 ); |
22 | $index_fh->read( my $version, 4 ); |
23 | $version = unpack( 'N', $version ); |
24 | $index_fh->close; |
25 | |
26 | if ( $signature eq "\377tOc" ) { |
27 | if ( $version == 2 ) { |
28 | $self->index( |
29 | Git::PurePerl::PackIndex::Version2->new( |
30 | filename => $index_filename |
31 | ) |
32 | ); |
33 | } else { |
34 | confess("Unknown version"); |
35 | } |
36 | } else { |
37 | $self->index( |
38 | Git::PurePerl::PackIndex::Version1->new( |
39 | filename => $index_filename |
40 | ) |
41 | ); |
42 | } |
43 | } |
44 | |
45 | sub get_object { |
46 | my ( $self, $want_sha1 ) = @_; |
47 | my $offset = $self->index->get_object_offset($want_sha1); |
48 | return unless $offset; |
49 | return $self->unpack_object($offset); |
50 | } |
51 | |
52 | __PACKAGE__->meta->make_immutable; |
53 | |