Squashed 'third_party/git/' content from commit cb71568594
git-subtree-dir: third_party/git git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
This commit is contained in:
		
						commit
						1b593e1ea4
					
				
					 3629 changed files with 1139935 additions and 0 deletions
				
			
		
							
								
								
									
										605
									
								
								perl/Git/SVN/Editor.pm
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										605
									
								
								perl/Git/SVN/Editor.pm
									
										
									
									
									
										Normal file
									
								
							|  | @ -0,0 +1,605 @@ | |||
| package Git::SVN::Editor; | ||||
| use vars qw/@ISA $_rmdir $_cp_similarity $_find_copies_harder $_rename_limit/; | ||||
| use strict; | ||||
| use warnings; | ||||
| use SVN::Core; | ||||
| use SVN::Delta; | ||||
| use Carp qw/croak/; | ||||
| use Git qw/command command_oneline command_noisy command_output_pipe | ||||
|            command_input_pipe command_close_pipe | ||||
|            command_bidi_pipe command_close_bidi_pipe | ||||
|            get_record/; | ||||
| 
 | ||||
| BEGIN { | ||||
| 	@ISA = qw(SVN::Delta::Editor); | ||||
| } | ||||
| 
 | ||||
| sub new { | ||||
| 	my ($class, $opts) = @_; | ||||
| 	foreach (qw/svn_path r ra tree_a tree_b log editor_cb/) { | ||||
| 		die "$_ required!\n" unless (defined $opts->{$_}); | ||||
| 	} | ||||
| 
 | ||||
| 	my $pool = SVN::Pool->new; | ||||
| 	my $mods = generate_diff($opts->{tree_a}, $opts->{tree_b}); | ||||
| 	my $types = check_diff_paths($opts->{ra}, $opts->{svn_path}, | ||||
| 	                             $opts->{r}, $mods); | ||||
| 
 | ||||
| 	# $opts->{ra} functions should not be used after this: | ||||
| 	my @ce  = $opts->{ra}->get_commit_editor($opts->{log}, | ||||
| 	                                        $opts->{editor_cb}, $pool); | ||||
| 	my $self = SVN::Delta::Editor->new(@ce, $pool); | ||||
| 	bless $self, $class; | ||||
| 	foreach (qw/svn_path r tree_a tree_b/) { | ||||
| 		$self->{$_} = $opts->{$_}; | ||||
| 	} | ||||
| 	$self->{url} = $opts->{ra}->{url}; | ||||
| 	$self->{mods} = $mods; | ||||
| 	$self->{types} = $types; | ||||
| 	$self->{pool} = $pool; | ||||
| 	$self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) }; | ||||
| 	$self->{rm} = { }; | ||||
| 	$self->{path_prefix} = length $self->{svn_path} ? | ||||
| 	                       "$self->{svn_path}/" : ''; | ||||
| 	$self->{config} = $opts->{config}; | ||||
| 	$self->{mergeinfo} = $opts->{mergeinfo}; | ||||
| 	$self->{pathnameencoding} = Git::config('svn.pathnameencoding'); | ||||
| 	return $self; | ||||
| } | ||||
| 
 | ||||
| sub generate_diff { | ||||
| 	my ($tree_a, $tree_b) = @_; | ||||
| 	my @diff_tree = qw(diff-tree -z -r); | ||||
| 	if ($_cp_similarity) { | ||||
| 		push @diff_tree, "-C$_cp_similarity"; | ||||
| 	} else { | ||||
| 		push @diff_tree, '-C'; | ||||
| 	} | ||||
| 	push @diff_tree, '--find-copies-harder' if $_find_copies_harder; | ||||
| 	push @diff_tree, "-l$_rename_limit" if defined $_rename_limit; | ||||
| 	push @diff_tree, $tree_a, $tree_b; | ||||
| 	my ($diff_fh, $ctx) = command_output_pipe(@diff_tree); | ||||
| 	my $state = 'meta'; | ||||
| 	my @mods; | ||||
| 	while (defined($_ = get_record($diff_fh, "\0"))) { | ||||
| 		if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s | ||||
| 					($::sha1)\s($::sha1)\s | ||||
| 					([MTCRAD])\d*$/xo) { | ||||
| 			push @mods, {	mode_a => $1, mode_b => $2, | ||||
| 					sha1_a => $3, sha1_b => $4, | ||||
| 					chg => $5 }; | ||||
| 			if ($5 =~ /^(?:C|R)$/) { | ||||
| 				$state = 'file_a'; | ||||
| 			} else { | ||||
| 				$state = 'file_b'; | ||||
| 			} | ||||
| 		} elsif ($state eq 'file_a') { | ||||
| 			my $x = $mods[$#mods] or croak "Empty array\n"; | ||||
| 			if ($x->{chg} !~ /^(?:C|R)$/) { | ||||
| 				croak "Error parsing $_, $x->{chg}\n"; | ||||
| 			} | ||||
| 			$x->{file_a} = $_; | ||||
| 			$state = 'file_b'; | ||||
| 		} elsif ($state eq 'file_b') { | ||||
| 			my $x = $mods[$#mods] or croak "Empty array\n"; | ||||
| 			if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) { | ||||
| 				croak "Error parsing $_, $x->{chg}\n"; | ||||
| 			} | ||||
| 			if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) { | ||||
| 				croak "Error parsing $_, $x->{chg}\n"; | ||||
| 			} | ||||
| 			$x->{file_b} = $_; | ||||
| 			$state = 'meta'; | ||||
| 		} else { | ||||
| 			croak "Error parsing $_\n"; | ||||
| 		} | ||||
| 	} | ||||
| 	command_close_pipe($diff_fh, $ctx); | ||||
| 	\@mods; | ||||
| } | ||||
| 
 | ||||
| sub check_diff_paths { | ||||
| 	my ($ra, $pfx, $rev, $mods) = @_; | ||||
| 	my %types; | ||||
| 	$pfx .= '/' if length $pfx; | ||||
| 
 | ||||
| 	sub type_diff_paths { | ||||
| 		my ($ra, $types, $path, $rev) = @_; | ||||
| 		my @p = split m#/+#, $path; | ||||
| 		my $c = shift @p; | ||||
| 		unless (defined $types->{$c}) { | ||||
| 			$types->{$c} = $ra->check_path($c, $rev); | ||||
| 		} | ||||
| 		while (@p) { | ||||
| 			$c .= '/' . shift @p; | ||||
| 			next if defined $types->{$c}; | ||||
| 			$types->{$c} = $ra->check_path($c, $rev); | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	foreach my $m (@$mods) { | ||||
| 		foreach my $f (qw/file_a file_b/) { | ||||
| 			next unless defined $m->{$f}; | ||||
| 			my ($dir) = ($m->{$f} =~ m#^(.*?)/?(?:[^/]+)$#); | ||||
| 			if (length $pfx.$dir && ! defined $types{$dir}) { | ||||
| 				type_diff_paths($ra, \%types, $pfx.$dir, $rev); | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| 	\%types; | ||||
| } | ||||
| 
 | ||||
| sub split_path { | ||||
| 	return ($_[0] =~ m#^(.*?)/?([^/]+)$#); | ||||
| } | ||||
| 
 | ||||
| sub repo_path { | ||||
| 	my ($self, $path) = @_; | ||||
| 	if (my $enc = $self->{pathnameencoding}) { | ||||
| 		require Encode; | ||||
| 		Encode::from_to($path, $enc, 'UTF-8'); | ||||
| 	} | ||||
| 	$self->{path_prefix}.(defined $path ? $path : ''); | ||||
| } | ||||
| 
 | ||||
| sub url_path { | ||||
| 	my ($self, $path) = @_; | ||||
| 	$path = $self->repo_path($path); | ||||
| 	if ($self->{url} =~ m#^https?://#) { | ||||
| 		# characters are taken from subversion/libsvn_subr/path.c | ||||
| 		$path =~ s#([^~a-zA-Z0-9_./!$&'()*+,-])#sprintf("%%%02X",ord($1))#eg; | ||||
| 	} | ||||
| 	$self->{url} . '/' . $path; | ||||
| } | ||||
| 
 | ||||
| sub rmdirs { | ||||
| 	my ($self) = @_; | ||||
| 	my $rm = $self->{rm}; | ||||
| 	delete $rm->{''}; # we never delete the url we're tracking | ||||
| 	return unless %$rm; | ||||
| 
 | ||||
| 	foreach (keys %$rm) { | ||||
| 		my @d = split m#/#, $_; | ||||
| 		my $c = shift @d; | ||||
| 		$rm->{$c} = 1; | ||||
| 		while (@d) { | ||||
| 			$c .= '/' . shift @d; | ||||
| 			$rm->{$c} = 1; | ||||
| 		} | ||||
| 	} | ||||
| 	delete $rm->{$self->{svn_path}}; | ||||
| 	delete $rm->{''}; # we never delete the url we're tracking | ||||
| 	return unless %$rm; | ||||
| 
 | ||||
| 	my ($fh, $ctx) = command_output_pipe(qw/ls-tree --name-only -r -z/, | ||||
| 	                                     $self->{tree_b}); | ||||
| 	while (defined($_ = get_record($fh, "\0"))) { | ||||
| 		my @dn = split m#/#, $_; | ||||
| 		while (pop @dn) { | ||||
| 			delete $rm->{join '/', @dn}; | ||||
| 		} | ||||
| 		unless (%$rm) { | ||||
| 			close $fh; | ||||
| 			return; | ||||
| 		} | ||||
| 	} | ||||
| 	command_close_pipe($fh, $ctx); | ||||
| 
 | ||||
| 	my ($r, $p, $bat) = ($self->{r}, $self->{pool}, $self->{bat}); | ||||
| 	foreach my $d (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$rm) { | ||||
| 		$self->close_directory($bat->{$d}, $p); | ||||
| 		my ($dn) = ($d =~ m#^(.*?)/?(?:[^/]+)$#); | ||||
| 		print "\tD+\t$d/\n" unless $::_q; | ||||
| 		$self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p); | ||||
| 		delete $bat->{$d}; | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| sub open_or_add_dir { | ||||
| 	my ($self, $full_path, $baton, $deletions) = @_; | ||||
| 	my $t = $self->{types}->{$full_path}; | ||||
| 	if (!defined $t) { | ||||
| 		die "$full_path not known in r$self->{r} or we have a bug!\n"; | ||||
| 	} | ||||
| 	{ | ||||
| 		no warnings 'once'; | ||||
| 		# SVN::Node::none and SVN::Node::file are used only once, | ||||
| 		# so we're shutting up Perl's warnings about them. | ||||
| 		if ($t == $SVN::Node::none || defined($deletions->{$full_path})) { | ||||
| 			return $self->add_directory($full_path, $baton, | ||||
| 			    undef, -1, $self->{pool}); | ||||
| 		} elsif ($t == $SVN::Node::dir) { | ||||
| 			return $self->open_directory($full_path, $baton, | ||||
| 			    $self->{r}, $self->{pool}); | ||||
| 		} # no warnings 'once' | ||||
| 		print STDERR "$full_path already exists in repository at ", | ||||
| 		    "r$self->{r} and it is not a directory (", | ||||
| 		    ($t == $SVN::Node::file ? 'file' : 'unknown'),"/$t)\n"; | ||||
| 	} # no warnings 'once' | ||||
| 	exit 1; | ||||
| } | ||||
| 
 | ||||
| sub ensure_path { | ||||
| 	my ($self, $path, $deletions) = @_; | ||||
| 	my $bat = $self->{bat}; | ||||
| 	my $repo_path = $self->repo_path($path); | ||||
| 	return $bat->{''} unless (length $repo_path); | ||||
| 
 | ||||
| 	my @p = split m#/+#, $repo_path; | ||||
| 	my $c = shift @p; | ||||
| 	$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{''}, $deletions); | ||||
| 	while (@p) { | ||||
| 		my $c0 = $c; | ||||
| 		$c .= '/' . shift @p; | ||||
| 		$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{$c0}, $deletions); | ||||
| 	} | ||||
| 	return $bat->{$c}; | ||||
| } | ||||
| 
 | ||||
| # Subroutine to convert a globbing pattern to a regular expression. | ||||
| # From perl cookbook. | ||||
| sub glob2pat { | ||||
| 	my $globstr = shift; | ||||
| 	my %patmap = ('*' => '.*', '?' => '.', '[' => '[', ']' => ']'); | ||||
| 	$globstr =~ s{(.)} { $patmap{$1} || "\Q$1" }ge; | ||||
| 	return '^' . $globstr . '$'; | ||||
| } | ||||
| 
 | ||||
| sub check_autoprop { | ||||
| 	my ($self, $pattern, $properties, $file, $fbat) = @_; | ||||
| 	# Convert the globbing pattern to a regular expression. | ||||
| 	my $regex = glob2pat($pattern); | ||||
| 	# Check if the pattern matches the file name. | ||||
| 	if($file =~ m/($regex)/) { | ||||
| 		# Parse the list of properties to set. | ||||
| 		my @props = split(/;/, $properties); | ||||
| 		foreach my $prop (@props) { | ||||
| 			# Parse 'name=value' syntax and set the property. | ||||
| 			if ($prop =~ /([^=]+)=(.*)/) { | ||||
| 				my ($n,$v) = ($1,$2); | ||||
| 				for ($n, $v) { | ||||
| 					s/^\s+//; s/\s+$//; | ||||
| 				} | ||||
| 				$self->change_file_prop($fbat, $n, $v); | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| sub apply_autoprops { | ||||
| 	my ($self, $file, $fbat) = @_; | ||||
| 	my $conf_t = ${$self->{config}}{'config'}; | ||||
| 	no warnings 'once'; | ||||
| 	# Check [miscellany]/enable-auto-props in svn configuration. | ||||
| 	if (SVN::_Core::svn_config_get_bool( | ||||
| 		$conf_t, | ||||
| 		$SVN::_Core::SVN_CONFIG_SECTION_MISCELLANY, | ||||
| 		$SVN::_Core::SVN_CONFIG_OPTION_ENABLE_AUTO_PROPS, | ||||
| 		0)) { | ||||
| 		# Auto-props are enabled.  Enumerate them to look for matches. | ||||
| 		my $callback = sub { | ||||
| 			$self->check_autoprop($_[0], $_[1], $file, $fbat); | ||||
| 		}; | ||||
| 		SVN::_Core::svn_config_enumerate( | ||||
| 			$conf_t, | ||||
| 			$SVN::_Core::SVN_CONFIG_SECTION_AUTO_PROPS, | ||||
| 			$callback); | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| sub check_attr { | ||||
| 	my ($attr,$path) = @_; | ||||
| 	my $val = command_oneline("check-attr", $attr, "--", $path); | ||||
| 	if ($val) { $val =~ s/^[^:]*:\s*[^:]*:\s*(.*)\s*$/$1/; } | ||||
| 	return $val; | ||||
| } | ||||
| 
 | ||||
| sub apply_manualprops { | ||||
| 	my ($self, $file, $fbat) = @_; | ||||
| 	my $pending_properties = check_attr( "svn-properties", $file ); | ||||
| 	if ($pending_properties eq "") { return; } | ||||
| 	# Parse the list of properties to set. | ||||
| 	my @props = split(/;/, $pending_properties); | ||||
| 	# TODO: get existing properties to compare to | ||||
| 	# - this fails for add so currently not done | ||||
| 	# my $existing_props = ::get_svnprops($file); | ||||
| 	my $existing_props = {}; | ||||
| 	# TODO: caching svn properties or storing them in .gitattributes | ||||
| 	# would make that faster | ||||
| 	foreach my $prop (@props) { | ||||
| 		# Parse 'name=value' syntax and set the property. | ||||
| 		if ($prop =~ /([^=]+)=(.*)/) { | ||||
| 			my ($n,$v) = ($1,$2); | ||||
| 			for ($n, $v) { | ||||
| 				s/^\s+//; s/\s+$//; | ||||
| 			} | ||||
| 			my $existing = $existing_props->{$n}; | ||||
| 			if (!defined($existing) || $existing ne $v) { | ||||
| 			    $self->change_file_prop($fbat, $n, $v); | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| sub A { | ||||
| 	my ($self, $m, $deletions) = @_; | ||||
| 	my ($dir, $file) = split_path($m->{file_b}); | ||||
| 	my $pbat = $self->ensure_path($dir, $deletions); | ||||
| 	my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, | ||||
| 					undef, -1); | ||||
| 	print "\tA\t$m->{file_b}\n" unless $::_q; | ||||
| 	$self->apply_autoprops($file, $fbat); | ||||
| 	$self->apply_manualprops($m->{file_b}, $fbat); | ||||
| 	$self->chg_file($fbat, $m); | ||||
| 	$self->close_file($fbat,undef,$self->{pool}); | ||||
| } | ||||
| 
 | ||||
| sub C { | ||||
| 	my ($self, $m, $deletions) = @_; | ||||
| 	my ($dir, $file) = split_path($m->{file_b}); | ||||
| 	my $pbat = $self->ensure_path($dir, $deletions); | ||||
| 	# workaround for a bug in svn serf backend (v1.8.5 and below): | ||||
| 	# store third argument to ->add_file() in a local variable, to make it | ||||
| 	# have the same lifetime as $fbat | ||||
| 	my $upa = $self->url_path($m->{file_a}); | ||||
| 	my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, | ||||
| 				$upa, $self->{r}); | ||||
| 	print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $::_q; | ||||
| 	$self->apply_manualprops($m->{file_b}, $fbat); | ||||
| 	$self->chg_file($fbat, $m); | ||||
| 	$self->close_file($fbat,undef,$self->{pool}); | ||||
| } | ||||
| 
 | ||||
| sub delete_entry { | ||||
| 	my ($self, $path, $pbat) = @_; | ||||
| 	my $rpath = $self->repo_path($path); | ||||
| 	my ($dir, $file) = split_path($rpath); | ||||
| 	$self->{rm}->{$dir} = 1; | ||||
| 	$self->SUPER::delete_entry($rpath, $self->{r}, $pbat, $self->{pool}); | ||||
| } | ||||
| 
 | ||||
| sub R { | ||||
| 	my ($self, $m, $deletions) = @_; | ||||
| 	my ($dir, $file) = split_path($m->{file_b}); | ||||
| 	my $pbat = $self->ensure_path($dir, $deletions); | ||||
| 	# workaround for a bug in svn serf backend, see comment in C() above | ||||
| 	my $upa = $self->url_path($m->{file_a}); | ||||
| 	my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, | ||||
| 				$upa, $self->{r}); | ||||
| 	print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $::_q; | ||||
| 	$self->apply_autoprops($file, $fbat); | ||||
| 	$self->apply_manualprops($m->{file_b}, $fbat); | ||||
| 	$self->chg_file($fbat, $m); | ||||
| 	$self->close_file($fbat,undef,$self->{pool}); | ||||
| 
 | ||||
| 	($dir, $file) = split_path($m->{file_a}); | ||||
| 	$pbat = $self->ensure_path($dir, $deletions); | ||||
| 	$self->delete_entry($m->{file_a}, $pbat); | ||||
| } | ||||
| 
 | ||||
| sub M { | ||||
| 	my ($self, $m, $deletions) = @_; | ||||
| 	my ($dir, $file) = split_path($m->{file_b}); | ||||
| 	my $pbat = $self->ensure_path($dir, $deletions); | ||||
| 	my $fbat = $self->open_file($self->repo_path($m->{file_b}), | ||||
| 				$pbat,$self->{r},$self->{pool}); | ||||
| 	print "\t$m->{chg}\t$m->{file_b}\n" unless $::_q; | ||||
| 	$self->apply_manualprops($m->{file_b}, $fbat); | ||||
| 	$self->chg_file($fbat, $m); | ||||
| 	$self->close_file($fbat,undef,$self->{pool}); | ||||
| } | ||||
| 
 | ||||
| sub T { | ||||
| 	my ($self, $m, $deletions) = @_; | ||||
| 
 | ||||
| 	# Work around subversion issue 4091: toggling the "is a | ||||
| 	# symlink" property requires removing and re-adding a | ||||
| 	# file or else "svn up" on affected clients trips an | ||||
| 	# assertion and aborts. | ||||
| 	if (($m->{mode_b} =~ /^120/ && $m->{mode_a} !~ /^120/) || | ||||
| 	    ($m->{mode_b} !~ /^120/ && $m->{mode_a} =~ /^120/)) { | ||||
| 		$self->D({ | ||||
| 			mode_a => $m->{mode_a}, mode_b => '000000', | ||||
| 			sha1_a => $m->{sha1_a}, sha1_b => '0' x 40, | ||||
| 			chg => 'D', file_b => $m->{file_b} | ||||
| 		}, $deletions); | ||||
| 		$self->A({ | ||||
| 			mode_a => '000000', mode_b => $m->{mode_b}, | ||||
| 			sha1_a => '0' x 40, sha1_b => $m->{sha1_b}, | ||||
| 			chg => 'A', file_b => $m->{file_b} | ||||
| 		}, $deletions); | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	$self->M($m, $deletions); | ||||
| } | ||||
| 
 | ||||
| sub change_file_prop { | ||||
| 	my ($self, $fbat, $pname, $pval) = @_; | ||||
| 	$self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool}); | ||||
| } | ||||
| 
 | ||||
| sub change_dir_prop { | ||||
| 	my ($self, $pbat, $pname, $pval) = @_; | ||||
| 	$self->SUPER::change_dir_prop($pbat, $pname, $pval, $self->{pool}); | ||||
| } | ||||
| 
 | ||||
| sub _chg_file_get_blob ($$$$) { | ||||
| 	my ($self, $fbat, $m, $which) = @_; | ||||
| 	my $fh = $::_repository->temp_acquire("git_blob_$which"); | ||||
| 	if ($m->{"mode_$which"} =~ /^120/) { | ||||
| 		print $fh 'link ' or croak $!; | ||||
| 		$self->change_file_prop($fbat,'svn:special','*'); | ||||
| 	} elsif ($m->{mode_a} =~ /^120/ && $m->{"mode_$which"} !~ /^120/) { | ||||
| 		$self->change_file_prop($fbat,'svn:special',undef); | ||||
| 	} | ||||
| 	my $blob = $m->{"sha1_$which"}; | ||||
| 	return ($fh,) if ($blob =~ /^0{40}$/); | ||||
| 	my $size = $::_repository->cat_blob($blob, $fh); | ||||
| 	croak "Failed to read object $blob" if ($size < 0); | ||||
| 	$fh->flush == 0 or croak $!; | ||||
| 	seek $fh, 0, 0 or croak $!; | ||||
| 
 | ||||
| 	my $exp = ::md5sum($fh); | ||||
| 	seek $fh, 0, 0 or croak $!; | ||||
| 	return ($fh, $exp); | ||||
| } | ||||
| 
 | ||||
| sub chg_file { | ||||
| 	my ($self, $fbat, $m) = @_; | ||||
| 	if ($m->{mode_b} =~ /755$/ && $m->{mode_a} !~ /755$/) { | ||||
| 		$self->change_file_prop($fbat,'svn:executable','*'); | ||||
| 	} elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) { | ||||
| 		$self->change_file_prop($fbat,'svn:executable',undef); | ||||
| 	} | ||||
| 	my ($fh_a, $exp_a) = _chg_file_get_blob $self, $fbat, $m, 'a'; | ||||
| 	my ($fh_b, $exp_b) = _chg_file_get_blob $self, $fbat, $m, 'b'; | ||||
| 	my $pool = SVN::Pool->new; | ||||
| 	my $atd = $self->apply_textdelta($fbat, $exp_a, $pool); | ||||
| 	if (-s $fh_a) { | ||||
| 		my $txstream = SVN::TxDelta::new ($fh_a, $fh_b, $pool); | ||||
| 		my $res = SVN::TxDelta::send_txstream($txstream, @$atd, $pool); | ||||
| 		if (defined $res) { | ||||
| 			die "Unexpected result from send_txstream: $res\n", | ||||
| 			    "(SVN::Core::VERSION: $SVN::Core::VERSION)\n"; | ||||
| 		} | ||||
| 	} else { | ||||
| 		my $got = SVN::TxDelta::send_stream($fh_b, @$atd, $pool); | ||||
| 		die "Checksum mismatch\nexpected: $exp_b\ngot: $got\n" | ||||
| 		    if ($got ne $exp_b); | ||||
| 	} | ||||
| 	Git::temp_release($fh_b, 1); | ||||
| 	Git::temp_release($fh_a, 1); | ||||
| 	$pool->clear; | ||||
| } | ||||
| 
 | ||||
| sub D { | ||||
| 	my ($self, $m, $deletions) = @_; | ||||
| 	my ($dir, $file) = split_path($m->{file_b}); | ||||
| 	my $pbat = $self->ensure_path($dir, $deletions); | ||||
| 	print "\tD\t$m->{file_b}\n" unless $::_q; | ||||
| 	$self->delete_entry($m->{file_b}, $pbat); | ||||
| } | ||||
| 
 | ||||
| sub close_edit { | ||||
| 	my ($self) = @_; | ||||
| 	my ($p,$bat) = ($self->{pool}, $self->{bat}); | ||||
| 	foreach (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$bat) { | ||||
| 		next if $_ eq ''; | ||||
| 		$self->close_directory($bat->{$_}, $p); | ||||
| 	} | ||||
| 	$self->close_directory($bat->{''}, $p); | ||||
| 	$self->SUPER::close_edit($p); | ||||
| 	$p->clear; | ||||
| } | ||||
| 
 | ||||
| sub abort_edit { | ||||
| 	my ($self) = @_; | ||||
| 	$self->SUPER::abort_edit($self->{pool}); | ||||
| } | ||||
| 
 | ||||
| sub DESTROY { | ||||
| 	my $self = shift; | ||||
| 	$self->SUPER::DESTROY(@_); | ||||
| 	$self->{pool}->clear; | ||||
| } | ||||
| 
 | ||||
| # this drives the editor | ||||
| sub apply_diff { | ||||
| 	my ($self) = @_; | ||||
| 	my $mods = $self->{mods}; | ||||
| 	my %o = ( D => 0, C => 1, R => 2, A => 3, M => 4, T => 5 ); | ||||
| 	my %deletions; | ||||
| 
 | ||||
| 	foreach my $m (@$mods) { | ||||
| 		if ($m->{chg} eq "D") { | ||||
| 			$deletions{$m->{file_b}} = 1; | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) { | ||||
| 		my $f = $m->{chg}; | ||||
| 		if (defined $o{$f}) { | ||||
| 			$self->$f($m, \%deletions); | ||||
| 		} else { | ||||
| 			fatal("Invalid change type: $f"); | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	if (defined($self->{mergeinfo})) { | ||||
| 		$self->change_dir_prop($self->{bat}{''}, "svn:mergeinfo", | ||||
| 			               $self->{mergeinfo}); | ||||
| 	} | ||||
| 	$self->rmdirs if $_rmdir; | ||||
| 	if (@$mods == 0 && !defined($self->{mergeinfo})) { | ||||
| 		$self->abort_edit; | ||||
| 	} else { | ||||
| 		$self->close_edit; | ||||
| 	} | ||||
| 	return scalar @$mods; | ||||
| } | ||||
| 
 | ||||
| 1; | ||||
| __END__ | ||||
| 
 | ||||
| =head1 NAME | ||||
| 
 | ||||
| Git::SVN::Editor - commit driver for "git svn set-tree" and dcommit | ||||
| 
 | ||||
| =head1 SYNOPSIS | ||||
| 
 | ||||
| 	use Git::SVN::Editor; | ||||
| 	use Git::SVN::Ra; | ||||
| 
 | ||||
| 	my $ra = Git::SVN::Ra->new($url); | ||||
| 	my %opts = ( | ||||
| 		r => 19, | ||||
| 		log => "log message", | ||||
| 		ra => $ra, | ||||
| 		config => SVN::Core::config_get_config($svn_config_dir), | ||||
| 		tree_a => "$commit^", | ||||
| 		tree_b => "$commit", | ||||
| 		editor_cb => sub { print "Committed r$_[0]\n"; }, | ||||
| 		mergeinfo => "/branches/foo:1-10", | ||||
| 		svn_path => "trunk" | ||||
| 	); | ||||
| 	Git::SVN::Editor->new(\%opts)->apply_diff or print "No changes\n"; | ||||
| 
 | ||||
| 	my $re = Git::SVN::Editor::glob2pat("trunk/*"); | ||||
| 	if ($branchname =~ /$re/) { | ||||
| 		print "matched!\n"; | ||||
| 	} | ||||
| 
 | ||||
| =head1 DESCRIPTION | ||||
| 
 | ||||
| This module is an implementation detail of the "git svn" command. | ||||
| Do not use it unless you are developing git-svn. | ||||
| 
 | ||||
| This module adapts the C<SVN::Delta::Editor> object returned by | ||||
| C<SVN::Delta::get_commit_editor> and drives it to convey the | ||||
| difference between two git tree objects to a remote Subversion | ||||
| repository. | ||||
| 
 | ||||
| The interface will change as git-svn evolves. | ||||
| 
 | ||||
| =head1 DEPENDENCIES | ||||
| 
 | ||||
| Subversion perl bindings, | ||||
| the core L<Carp> module, | ||||
| and git's L<Git> helper module. | ||||
| 
 | ||||
| C<Git::SVN::Editor> has not been tested using callers other than | ||||
| B<git-svn> itself. | ||||
| 
 | ||||
| =head1 SEE ALSO | ||||
| 
 | ||||
| L<SVN::Delta>, | ||||
| L<Git::SVN::Fetcher>. | ||||
| 
 | ||||
| =head1 INCOMPATIBILITIES | ||||
| 
 | ||||
| None reported. | ||||
| 
 | ||||
| =head1 BUGS | ||||
| 
 | ||||
| None. | ||||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue