X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FGitalist%2FGit%2FObject%2FCommit.pm;h=f48e9cd797189552c001c58785d7d3e88d5c8833;hb=2298d93ff984748b0c15d19bad6fdebb1d81c4f1;hp=7c6ebf0532b7b264971b512144b30028c588476d;hpb=9cd610f4cca51a71120666e508d7820122222351;p=catagits%2FGitalist.git

diff --git a/lib/Gitalist/Git/Object/Commit.pm b/lib/Gitalist/Git/Object/Commit.pm
index 7c6ebf0..f48e9cd 100644
--- a/lib/Gitalist/Git/Object/Commit.pm
+++ b/lib/Gitalist/Git/Object/Commit.pm
@@ -5,10 +5,12 @@ class Gitalist::Git::Object::Commit
     extends Gitalist::Git::Object
     with Gitalist::Git::Object::HasTree {
         use MooseX::Types::Moose qw/Str Int Bool Maybe ArrayRef/;
-        use MooseX::Types::Common::String qw/NonEmptySimpleStr/;
+        use MooseX::Types::Common::String qw/NonEmptySimpleStr SimpleStr/;
+        use Moose::Autobox;
         use List::MoreUtils qw/any zip/;
         our $SHA1RE = qr/[0-9a-fA-F]{40}/;
 
+        has '+type' => ( default => 'commit' );
         has '+_gpp_obj' => ( handles => [ 'comment',
                                           'tree_sha1',
                                           'committer',
@@ -21,23 +23,70 @@ class Gitalist::Git::Object::Commit
                                       ],
                          );
 
-         method diff ( Maybe[Bool] :$patch?,
-                       Maybe[NonEmptySimpleStr] :$parent?,
-                       Maybe[NonEmptySimpleStr] :$file?
-                   ) {
+        method _build_tree {
+            return [$self->repository->get_object($self->tree_sha1)];
+        }
+
+        method sha_by_path ($path) {
+            $path =~ s{/+$}();
+            # FIXME should this really just take the first result?
+            my @paths = $self->repository->run_cmd('ls-tree', $self->sha1, '--', $path)
+                or return;
+            my $line = $paths[0];
+
+            #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c'
+            $line =~ m/^([0-9]+) (.+) ($SHA1RE)\t/;
+            my $sha1 = $3;
+            return $self->repository->get_object($sha1);
+    }
+
+        method get_patch ( Maybe[NonEmptySimpleStr] $parent_hash?,
+                           Int $patch_count?) {
+            # assembling the git command to execute...
+            my @cmd = qw/format-patch --encoding=utf8 --stdout/;
+
+            # patch, or patch set?
+            push @cmd,
+                defined $patch_count
+                ? "-$patch_count -n" : "-1";
+
+            # refspec
+            if (defined $parent_hash) {
+                #  if a parent is specified: hp..h
+                push @cmd, "$parent_hash.." . $self->sha1;
+            } else {
+                #  if not, but a merge commit: --cc h
+                #  otherwise: --root h
+                push @cmd, $self->parents->length > 1
+                    ? '--cc' : '--root';
+                push @cmd, $self->sha1;
+            }
+            return $self->_run_cmd_fh( @cmd );
+        }
+
+        method diff ( Bool              :$patch?,
+                      NonEmptySimpleStr :$parent?,
+                      NonEmptySimpleStr :$filename?
+                    ) {
             $parent = $parent
                 ? $parent
                     : $self->parents <= 1
                         ? $self->parent_sha1
                             : '-c';
             my @etc = (
-                ( $file  ? ('--', $file) : () ),
+                ( $filename  ? ('--', $filename) : () ),
             );
 
+            # If we're not comparing against something and we have multiple
+            # parents then it's a merge commit so show what was merged.
+            my $sha1 = $parent && $parent eq '-c' && @{[$self->parents]} > 1
+                 ? sprintf("%s^1..%s^2", ($self->sha1) x 2)
+                      : $self->sha1;
+
             my @out = $self->_raw_diff(
                 ( $patch ? '--patch-with-raw' : () ),
                 ( $parent ? $parent : () ),
-                $self->sha1, @etc,
+                $sha1, @etc,
             );
 
             # XXX Yes, there is much wrongness having _parse_diff_tree be destructive.
@@ -79,7 +128,7 @@ class Gitalist::Git::Object::Commit
                 $line{sha1}   = $line{sha1dst};
                 $line{is_new} = $line{sha1src} =~ /^0+$/
                     if $line{sha1src};
-                @line{qw/status sim/} = $line{status} =~ /(R)(\d+)/
+                @line{qw/status sim/} = $line{status} =~ /(R)0*(\d+)/
                     if $line{status} =~ /^R/;
                 push @ret, \%line;
             }
@@ -102,7 +151,7 @@ class Gitalist::Git::Object::Commit
                     next;
                 }
 
-                if (/^index (\w+)\.\.(\w+) (\d+)$/) {
+                if (/^index (\w+)\.\.(\w+)(?: (\d+))?$/) {
                     @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3);
                     next
                 }
@@ -114,4 +163,109 @@ class Gitalist::Git::Object::Commit
             return @ret;
         }
 
+
+  # XXX A prime candidate for caching.
+  method blame ( NonEmptySimpleStr $filename, SimpleStr $sha1 ) {
+    my @blameout = $self->_run_cmd_list(
+      blame => '-p', $sha1 ? $sha1 : $self->sha1, '--', $filename
+    );
+
+    my(%commitdata, @filedata);
+    while(defined(local $_ = shift @blameout)) {
+      my ($sha1, $orig_lineno, $lineno, $group_size) =
+        /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/;
+
+      $commitdata{$sha1} = {}
+        unless exists $commitdata{$sha1};
+
+      my $commit = $commitdata{$sha1};
+      my $line;
+
+      until(@blameout == 0 || ($line = shift @blameout) =~ s/^\t//) {
+        $commit->{$1} = $2 if $line =~ /^(\S+) (.*)/;
+      }
+
+      unless(exists $commit->{author_dt}) {
+        for my $t (qw/author committer/) {
+          my $dt = DateTime->from_epoch(epoch => $commit->{"$t-time"});
+          $dt->set_time_zone($commit->{"$t-tz"});
+          $commit->{"$t\_dt"} = $dt;
+        }
+      }
+
+      push @filedata, {
+        line => $line,
+        commit => { sha1 => $sha1, %$commit },
+        meta => {
+          orig_lineno => $orig_lineno,
+          lineno => $lineno,
+          ( $group_size ? (group_size => $group_size) : () ),
+        },
+      };
     }
+
+    return \@filedata;
+  }
+}
+
+
+1;
+
+__END__
+
+=head1 NAME
+
+Gitalist::Git::Object::Commit - Git::Object::Commit module for Gitalist
+
+=head1 SYNOPSIS
+
+    my $commit = Repository->get_object($commit_sha1);
+
+=head1 DESCRIPTION
+
+Represents a commit object in a git repository.
+Subclass of C<Gitalist::Git::Object>.
+
+
+=head1 ATTRIBUTES
+
+=head2 committer
+
+=head2 committed_time
+
+=head2 author
+
+=head2 authored_time
+
+=head2 comment
+
+=head2 tree_sha1
+
+=head2 parents
+
+=head2 parent_sha1
+
+=head2 parent_sha1s
+
+
+=head1 METHODS
+
+=head2 sha_by_path ($path)
+
+Returns the tree/file sha1 for a given path in a commit.
+
+=head2 get_patch
+
+=head2 diff
+
+=head2 blame
+
+=head1 AUTHORS
+
+See L<Gitalist> for authors.
+
+=head1 LICENSE
+
+See L<Gitalist> for the license.
+
+=cut