4 class Gitalist::Git::Object {
5 use MooseX::Types::Moose qw/Str Int Bool Maybe ArrayRef/;
6 use MooseX::Types::Common::String qw/NonEmptySimpleStr/;
7 use File::Stat::ModeString qw/mode_to_string/;
8 use List::MoreUtils qw/any zip/;
10 our $SHA1RE = qr/[0-9a-fA-F]{40}/;
12 # project and sha1 are required initargs
13 has project => ( isa => 'Gitalist::Git::Project',
18 _run_cmd => 'run_cmd',
19 _run_cmd_list => 'run_cmd_list',
20 _get_gpp_object => 'get_gpp_object',
23 has sha1 => ( isa => NonEmptySimpleStr,
27 has $_ => ( isa => NonEmptySimpleStr,
31 for qw/type modestr size/;
33 has _gpp_obj => ( isa => 'Git::PurePerl::Object',
37 handles => [ 'parents',
46 # This feels wrong, but current templates assume
47 # these attributes are present on every object.
48 foreach my $key (qw/tree_sha1 comment content/) {
49 has $key => ( isa => Str,
54 method "_build_$key" {
55 confess("Object can't " . $key) unless $self->_gpp_obj->can($key);
56 return $self->_gpp_obj->$key;
60 # objects can't determine their mode or filename
61 has file => ( isa => NonEmptySimpleStr,
64 has mode => ( isa => Int,
69 has tree => ( isa => 'ArrayRef[Gitalist::Git::Object]',
74 method BUILD { $self->$_() for qw/_gpp_obj type size modestr/ }
77 confess("Can't list_tree on a blob object.")
78 if $self->type eq 'blob';
79 my $output = $self->_run_cmd(qw/ls-tree -z/, $self->sha1);
80 return unless defined $output;
83 for my $line (split /\0/, $output) {
84 my ($mode, $type, $object, $file) = split /\s+/, $line, 4;
85 push @ret, Gitalist::Git::Object->new( mode => oct $mode,
89 project => $self->project,
95 method diff ( Maybe[Bool] :$patch?,
96 Maybe[NonEmptySimpleStr] :$parent?,
97 Maybe[NonEmptySimpleStr] :$file?
99 # Use parent if specifed, else take the parent from the commit
100 # if there is only one, otherwise it was a merge commit.
103 : $self->parents <= 1
107 ( $file ? ('--', $file) : () ),
110 my @out = $self->_raw_diff(
111 ( $patch ? '--patch-with-raw' : () ),
112 ( $parent ? $parent : () ),
116 # XXX Yes, there is much wrongness having _parse_diff_tree be destructive.
117 my @difftree = $self->_parse_diff_tree(\@out);
122 # The blank line between the tree and the patch.
125 # XXX And no I'm not happy about having diff return tree + patch.
126 return \@difftree, [$self->_parse_diff(@out)];
130 # gitweb uses the following sort of command for diffing merges:
131 # /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index --cc 316cf158df3f6207afbae7270bcc5ba0 --
132 # and for regular diffs
133 # /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index 2e3454ca0749641b42f063730b0090e1 316cf158df3f6207afbae7270bcc5ba0 --
134 method _raw_diff (@args) {
135 return $self->_run_cmd_list(
136 qw(diff-tree -r -M --no-commit-id --full-index),
141 method _parse_diff_tree ($diff) {
142 my @keys = qw(modesrc modedst sha1src sha1dst status src dst);
144 while (@$diff and $diff->[0] =~ /^:\d+/) {
145 my $line = shift @$diff;
146 # see. man git-diff-tree for more info
147 # mode src, mode dst, sha1 src, sha1 dst, status, src[, dst]
148 my @vals = $line =~ /^:(\d+) (\d+) ($SHA1RE) ($SHA1RE) ([ACDMRTUX]\d*)\t([^\t]+)(?:\t([^\n]+))?$/;
149 my %line = zip @keys, @vals;
150 # Some convenience keys
151 $line{file} = $line{src};
152 $line{sha1} = $line{sha1dst};
153 $line{is_new} = $line{sha1src} =~ /^0+$/
155 @line{qw/status sim/} = $line{status} =~ /(R)(\d+)/
156 if $line{status} =~ /^R/;
163 method _parse_diff (@diff) {
166 # This regex is a little pathological.
167 if (m{^diff --git (a/(.*?)) (b/\2)}) {
178 if (/^index (\w+)\.\.(\w+) (\d+)$/) {
179 @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3);
183 # XXX Somewhat hacky. Ahem.
184 $ret[@ret ? -1 : 0]{diff} .= "$_\n";
192 method _build__gpp_obj {
193 return $self->_get_gpp_object($self->sha1)
196 foreach my $key (qw/ type size /) {
197 method "_build_$key" {
198 my $v = $self->_cat_file_with_flag(substr($key, 0, 1));
204 method _build_modestr {
205 my $modestr = mode_to_string($self->mode);
209 method _cat_file_with_flag ($flag) {
210 $self->_run_cmd('cat-file', '-' . $flag, $self->{sha1})