1 package Gitalist::Git::Object::Commit;
4 class Gitalist::Git::Object::Commit
5 extends Gitalist::Git::Object
6 with Gitalist::Git::Object::HasTree {
7 use MooseX::Types::Moose qw/Str Int Bool Maybe ArrayRef/;
8 use MooseX::Types::Common::String qw/NonEmptySimpleStr/;
10 use List::MoreUtils qw/any zip/;
11 our $SHA1RE = qr/[0-9a-fA-F]{40}/;
13 has '+type' => ( default => 'commit' );
14 has '+_gpp_obj' => ( handles => [ 'comment',
26 method patch ( Maybe[NonEmptySimpleStr] $parent?,
29 # Assemble the git command.
31 my @cmd_args = qw/format-patch --encoding=utf8 --stdout/;
32 # single patch, or patch set?
34 push @cmd_args, "-$count", "-n";
38 # if a parent is specified: hp..h
39 # if not, but a merge commit: --cc h
41 if (defined $parent) {
42 push @cmd_args, "$parent.." . $self->sha1;
44 push @cmd_args, $self->parents->length > 1
46 push @cmd_args, $self->sha1;
48 my $out = $self->_run_cmd( @cmd_args );
52 method diff ( Maybe[Bool] :$patch?,
53 Maybe[NonEmptySimpleStr] :$parent?,
54 Maybe[NonEmptySimpleStr] :$file?
62 ( $file ? ('--', $file) : () ),
65 my @out = $self->_raw_diff(
66 ( $patch ? '--patch-with-raw' : () ),
67 ( $parent ? $parent : () ),
71 # XXX Yes, there is much wrongness having _parse_diff_tree be destructive.
72 my @difftree = $self->_parse_diff_tree(\@out);
77 # The blank line between the tree and the patch.
80 # XXX And no I'm not happy about having diff return tree + patch.
81 return \@difftree, [$self->_parse_diff(@out)];
85 # gitweb uses the following sort of command for diffing merges:
86 # /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 --
87 # and for regular diffs
88 # /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 --
89 method _raw_diff (@args) {
90 return $self->_run_cmd_list(
91 qw(diff-tree -r -M --no-commit-id --full-index),
96 method _parse_diff_tree ($diff) {
97 my @keys = qw(modesrc modedst sha1src sha1dst status src dst);
99 while (@$diff and $diff->[0] =~ /^:\d+/) {
100 my $line = shift @$diff;
101 # see. man git-diff-tree for more info
102 # mode src, mode dst, sha1 src, sha1 dst, status, src[, dst]
103 my @vals = $line =~ /^:(\d+) (\d+) ($SHA1RE) ($SHA1RE) ([ACDMRTUX]\d*)\t([^\t]+)(?:\t([^\n]+))?$/;
104 my %line = zip @keys, @vals;
105 # Some convenience keys
106 $line{file} = $line{src};
107 $line{sha1} = $line{sha1dst};
108 $line{is_new} = $line{sha1src} =~ /^0+$/
110 @line{qw/status sim/} = $line{status} =~ /(R)(\d+)/
111 if $line{status} =~ /^R/;
118 method _parse_diff (@diff) {
121 # This regex is a little pathological.
122 if (m{^diff --git (a/(.*?)) (b/\2)}) {
133 if (/^index (\w+)\.\.(\w+) (\d+)$/) {
134 @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3);
138 # XXX Somewhat hacky. Ahem.
139 $ret[@ret ? -1 : 0]{diff} .= "$_\n";