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 SimpleStr/;
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 get_patch ( Maybe[NonEmptySimpleStr] $parent_hash?,
28 # assembling the git command to execute...
29 my @cmd = qw/format-patch --encoding=utf8 --stdout/;
31 # patch, or patch set?
34 ? "-$patch_count -n" : "-1";
37 if (defined $parent_hash) {
38 # if a parent is specified: hp..h
39 push @cmd, "$parent_hash.." . $self->sha1;
41 # if not, but a merge commit: --cc h
43 push @cmd, $self->parents->length > 1
45 push @cmd, $self->sha1;
47 return $self->_run_cmd_fh( @cmd );
50 method diff ( Maybe[Bool] :$patch?,
51 Maybe[NonEmptySimpleStr] :$parent?,
52 Maybe[NonEmptySimpleStr] :$filename?
60 ( $filename ? ('--', $filename) : () ),
63 # If we're not comparing against something and we have multiple
64 # parents then it's a merge commit so show what was merged.
65 my $sha1 = $parent && $parent eq '-c' && @{[$self->parents]} > 1
66 ? sprintf("%s^1..%s^2", ($self->sha1) x 2)
69 my @out = $self->_raw_diff(
70 ( $patch ? '--patch-with-raw' : () ),
71 ( $parent ? $parent : () ),
75 # XXX Yes, there is much wrongness having _parse_diff_tree be destructive.
76 my @difftree = $self->_parse_diff_tree(\@out);
81 # The blank line between the tree and the patch.
84 # XXX And no I'm not happy about having diff return tree + patch.
85 return \@difftree, [$self->_parse_diff(@out)];
89 # gitweb uses the following sort of command for diffing merges:
90 # /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 --
91 # and for regular diffs
92 # /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 --
93 method _raw_diff (@args) {
94 return $self->_run_cmd_list(
95 qw(diff-tree -r -M --no-commit-id --full-index),
100 method _parse_diff_tree ($diff) {
101 my @keys = qw(modesrc modedst sha1src sha1dst status src dst);
103 while (@$diff and $diff->[0] =~ /^:\d+/) {
104 my $line = shift @$diff;
105 # see. man git-diff-tree for more info
106 # mode src, mode dst, sha1 src, sha1 dst, status, src[, dst]
107 my @vals = $line =~ /^:(\d+) (\d+) ($SHA1RE) ($SHA1RE) ([ACDMRTUX]\d*)\t([^\t]+)(?:\t([^\n]+))?$/;
108 my %line = zip @keys, @vals;
109 # Some convenience keys
110 $line{file} = $line{src};
111 $line{sha1} = $line{sha1dst};
112 $line{is_new} = $line{sha1src} =~ /^0+$/
114 @line{qw/status sim/} = $line{status} =~ /(R)0*(\d+)/
115 if $line{status} =~ /^R/;
122 method _parse_diff (@diff) {
125 # This regex is a little pathological.
126 if (m{^diff --git (a/(.*?)) (b/\2)}) {
137 if (/^index (\w+)\.\.(\w+)(?: (\d+))?$/) {
138 @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3);
142 # XXX Somewhat hacky. Ahem.
143 $ret[@ret ? -1 : 0]{diff} .= "$_\n";
150 # XXX A prime candidate for caching.
151 method blame ( NonEmptySimpleStr $filename, SimpleStr $sha1 ) {
152 my @blameout = $self->_run_cmd_list(
153 blame => '-p', $sha1 ? $sha1 : $self->sha1, '--', $filename
156 my(%commitdata, @filedata);
157 while(defined(local $_ = shift @blameout)) {
158 my ($sha1, $orig_lineno, $lineno, $group_size) =
159 /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/;
161 $commitdata{$sha1} = {}
162 unless exists $commitdata{$sha1};
164 my $commit = $commitdata{$sha1};
166 until(($line = shift @blameout) =~ s/^\t//) {
168 if $line =~ /^(\S+) (.*)/;
171 unless(exists $commit->{author_dt}) {
172 for my $t (qw/author committer/) {
173 my $dt = DateTime->from_epoch(epoch => $commit->{"$t-time"});
174 $dt->set_time_zone($commit->{"$t-tz"});
175 $commit->{"$t\_dt"} = $dt;
181 commit => { sha1 => $sha1, %$commit },
183 orig_lineno => $orig_lineno,
185 ( $group_size ? (group_size => $group_size) : () ),
201 Gitalist::Git::Object::Commit
205 my $commit = Repository->get_object($commit_sha1);
209 Represents a commit object in a git repository.
210 Subclass of C<Gitalist::Git::Object>.
217 =head2 committed_time
244 See L<Gitalist> for authors.
248 See L<Gitalist> for the license.