4 class Gitalist::Git::Object {
5 use MooseX::Types::Moose qw/Str Int Bool Maybe/;
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 method BUILD { $self->$_() for qw/_gpp_obj type size modestr/ }
72 method diff ( Maybe[Bool] :$patch?,
73 Maybe[NonEmptySimpleStr] :$parent?,
74 Maybe[NonEmptySimpleStr] :$file?
76 # Use parent if specifed, else take the parent from the commit
77 # if there is only one, otherwise it was a merge commit.
84 ( $file ? ('--', $file) : () ),
87 my @out = $self->_raw_diff(
88 ( $patch ? '--patch-with-raw' : () ),
89 ( $parent ? $parent : () ),
93 # XXX Yes, there is much wrongness having _parse_diff_tree be destructive.
94 my @difftree = $self->_parse_diff_tree(\@out);
99 # The blank line between the tree and the patch.
102 # XXX And no I'm not happy about having diff return tree + patch.
103 return \@difftree, [$self->_parse_diff(@out)];
107 # gitweb uses the following sort of command for diffing merges:
108 # /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 --
109 # and for regular diffs
110 # /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 --
111 method _raw_diff (@args) {
112 return $self->_run_cmd_list(
113 qw(diff-tree -r -M --no-commit-id --full-index),
118 method _parse_diff_tree ($diff) {
119 my @keys = qw(modesrc modedst sha1src sha1dst status src dst);
121 while (@$diff and $diff->[0] =~ /^:\d+/) {
122 my $line = shift @$diff;
123 # see. man git-diff-tree for more info
124 # mode src, mode dst, sha1 src, sha1 dst, status, src[, dst]
125 my @vals = $line =~ /^:(\d+) (\d+) ($SHA1RE) ($SHA1RE) ([ACDMRTUX]\d*)\t([^\t]+)(?:\t([^\n]+))?$/;
126 my %line = zip @keys, @vals;
127 # Some convenience keys
128 $line{file} = $line{src};
129 $line{sha1} = $line{sha1dst};
130 $line{is_new} = $line{sha1src} =~ /^0+$/
132 @line{qw/status sim/} = $line{status} =~ /(R)(\d+)/
133 if $line{status} =~ /^R/;
140 method _parse_diff (@diff) {
143 # This regex is a little pathological.
144 if (m{^diff --git (a/(.*?)) (b/\2)}) {
155 if (/^index (\w+)\.\.(\w+) (\d+)$/) {
156 @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3);
160 # XXX Somewhat hacky. Ahem.
161 $ret[@ret ? -1 : 0]{diff} .= "$_\n";
169 method _build__gpp_obj {
170 return $self->_get_gpp_object($self->sha1)
173 foreach my $key (qw/ type size /) {
174 method "_build_$key" {
175 my $v = $self->_cat_file_with_flag(substr($key, 0, 1));
181 method _build_modestr {
182 my $modestr = mode_to_string($self->mode);
186 method _cat_file_with_flag ($flag) {
187 $self->_run_cmd('cat-file', '-' . $flag, $self->{sha1})