зеркало из https://github.com/microsoft/git.git
git-svn: make Git::SVN::Editor a separate file
This makes the git-svn script shorter and less scary for beginners to read through for the first time. Take the opportunity to explain the purpose and basic interface of the Git::SVN::Editor class while at it. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Jonathan Nieder
Eric Wong
Родитель
02101c969d
Коммит
8f9facfe94
472
git-svn.perl
472
git-svn.perl
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@ -68,7 +68,6 @@ sub _req_svn {
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}
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my $can_compress = eval { require Compress::Zlib; 1};
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push @Git::SVN::Ra::ISA, 'SVN::Ra';
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push @Git::SVN::Editor::ISA, 'SVN::Delta::Editor';
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use Carp qw/croak/;
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use Digest::MD5;
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use IO::File qw//;
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@ -79,6 +78,7 @@ use File::Find;
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use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
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use IPC::Open3;
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use Git;
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use Git::SVN::Editor qw//;
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use Git::SVN::Fetcher qw//;
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use Git::SVN::Prompt qw//;
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use Memoize; # core since 5.8.0, Jul 2002
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@ -89,8 +89,7 @@ BEGIN {
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foreach (qw/command command_oneline command_noisy command_output_pipe
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command_input_pipe command_close_pipe
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command_bidi_pipe command_close_bidi_pipe/) {
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for my $package ( qw(Git::SVN::Editor
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Git::SVN::Migration Git::SVN::Log Git::SVN),
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for my $package ( qw(Git::SVN::Migration Git::SVN::Log Git::SVN),
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__PACKAGE__) {
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*{"${package}::$_"} = \&{"Git::$_"};
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}
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@ -1066,7 +1065,6 @@ sub cmd_branch {
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" with the --destination argument.\n";
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}
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foreach my $g (@{$allglobs}) {
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# Git::SVN::Editor could probably be moved to Git.pm..
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my $re = Git::SVN::Editor::glob2pat($g->{path}->{left});
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if ($_branch_dest =~ /$re/) {
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$glob = $g;
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@ -4328,472 +4326,6 @@ sub remove_username {
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$_[0] =~ s{^([^:]*://)[^@]+@}{$1};
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}
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package Git::SVN::Editor;
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use vars qw/@ISA $_rmdir $_cp_similarity $_find_copies_harder $_rename_limit/;
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use strict;
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use warnings;
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use Carp qw/croak/;
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use IO::File;
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sub new {
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my ($class, $opts) = @_;
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foreach (qw/svn_path r ra tree_a tree_b log editor_cb/) {
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die "$_ required!\n" unless (defined $opts->{$_});
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}
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my $pool = SVN::Pool->new;
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my $mods = generate_diff($opts->{tree_a}, $opts->{tree_b});
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my $types = check_diff_paths($opts->{ra}, $opts->{svn_path},
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$opts->{r}, $mods);
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# $opts->{ra} functions should not be used after this:
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my @ce = $opts->{ra}->get_commit_editor($opts->{log},
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$opts->{editor_cb}, $pool);
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my $self = SVN::Delta::Editor->new(@ce, $pool);
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bless $self, $class;
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foreach (qw/svn_path r tree_a tree_b/) {
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$self->{$_} = $opts->{$_};
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}
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$self->{url} = $opts->{ra}->{url};
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$self->{mods} = $mods;
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$self->{types} = $types;
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$self->{pool} = $pool;
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$self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) };
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$self->{rm} = { };
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$self->{path_prefix} = length $self->{svn_path} ?
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"$self->{svn_path}/" : '';
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$self->{config} = $opts->{config};
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$self->{mergeinfo} = $opts->{mergeinfo};
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return $self;
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}
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sub generate_diff {
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my ($tree_a, $tree_b) = @_;
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my @diff_tree = qw(diff-tree -z -r);
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if ($_cp_similarity) {
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push @diff_tree, "-C$_cp_similarity";
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} else {
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push @diff_tree, '-C';
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}
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push @diff_tree, '--find-copies-harder' if $_find_copies_harder;
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push @diff_tree, "-l$_rename_limit" if defined $_rename_limit;
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push @diff_tree, $tree_a, $tree_b;
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my ($diff_fh, $ctx) = command_output_pipe(@diff_tree);
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local $/ = "\0";
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my $state = 'meta';
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my @mods;
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while (<$diff_fh>) {
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chomp $_; # this gets rid of the trailing "\0"
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if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s
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($::sha1)\s($::sha1)\s
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([MTCRAD])\d*$/xo) {
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push @mods, { mode_a => $1, mode_b => $2,
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sha1_a => $3, sha1_b => $4,
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chg => $5 };
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if ($5 =~ /^(?:C|R)$/) {
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$state = 'file_a';
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} else {
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$state = 'file_b';
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}
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} elsif ($state eq 'file_a') {
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my $x = $mods[$#mods] or croak "Empty array\n";
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if ($x->{chg} !~ /^(?:C|R)$/) {
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croak "Error parsing $_, $x->{chg}\n";
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}
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$x->{file_a} = $_;
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$state = 'file_b';
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} elsif ($state eq 'file_b') {
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my $x = $mods[$#mods] or croak "Empty array\n";
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if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) {
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croak "Error parsing $_, $x->{chg}\n";
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}
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if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) {
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croak "Error parsing $_, $x->{chg}\n";
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}
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$x->{file_b} = $_;
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$state = 'meta';
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} else {
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croak "Error parsing $_\n";
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}
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}
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command_close_pipe($diff_fh, $ctx);
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\@mods;
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}
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sub check_diff_paths {
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my ($ra, $pfx, $rev, $mods) = @_;
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my %types;
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$pfx .= '/' if length $pfx;
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sub type_diff_paths {
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my ($ra, $types, $path, $rev) = @_;
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my @p = split m#/+#, $path;
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my $c = shift @p;
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unless (defined $types->{$c}) {
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$types->{$c} = $ra->check_path($c, $rev);
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}
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while (@p) {
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$c .= '/' . shift @p;
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next if defined $types->{$c};
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$types->{$c} = $ra->check_path($c, $rev);
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}
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}
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foreach my $m (@$mods) {
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foreach my $f (qw/file_a file_b/) {
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next unless defined $m->{$f};
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my ($dir) = ($m->{$f} =~ m#^(.*?)/?(?:[^/]+)$#);
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if (length $pfx.$dir && ! defined $types{$dir}) {
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type_diff_paths($ra, \%types, $pfx.$dir, $rev);
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}
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}
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}
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\%types;
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}
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sub split_path {
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return ($_[0] =~ m#^(.*?)/?([^/]+)$#);
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}
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sub repo_path {
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my ($self, $path) = @_;
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if (my $enc = $self->{pathnameencoding}) {
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require Encode;
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Encode::from_to($path, $enc, 'UTF-8');
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}
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$self->{path_prefix}.(defined $path ? $path : '');
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}
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sub url_path {
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my ($self, $path) = @_;
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if ($self->{url} =~ m#^https?://#) {
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$path =~ s!([^~a-zA-Z0-9_./-])!uc sprintf("%%%02x",ord($1))!eg;
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}
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$self->{url} . '/' . $self->repo_path($path);
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}
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sub rmdirs {
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my ($self) = @_;
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my $rm = $self->{rm};
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delete $rm->{''}; # we never delete the url we're tracking
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return unless %$rm;
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foreach (keys %$rm) {
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my @d = split m#/#, $_;
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my $c = shift @d;
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$rm->{$c} = 1;
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while (@d) {
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$c .= '/' . shift @d;
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$rm->{$c} = 1;
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}
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}
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delete $rm->{$self->{svn_path}};
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delete $rm->{''}; # we never delete the url we're tracking
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return unless %$rm;
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my ($fh, $ctx) = command_output_pipe(qw/ls-tree --name-only -r -z/,
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$self->{tree_b});
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local $/ = "\0";
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while (<$fh>) {
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chomp;
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my @dn = split m#/#, $_;
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while (pop @dn) {
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delete $rm->{join '/', @dn};
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}
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unless (%$rm) {
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close $fh;
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return;
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}
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}
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command_close_pipe($fh, $ctx);
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my ($r, $p, $bat) = ($self->{r}, $self->{pool}, $self->{bat});
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foreach my $d (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$rm) {
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$self->close_directory($bat->{$d}, $p);
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my ($dn) = ($d =~ m#^(.*?)/?(?:[^/]+)$#);
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print "\tD+\t$d/\n" unless $::_q;
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$self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p);
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delete $bat->{$d};
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}
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}
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sub open_or_add_dir {
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my ($self, $full_path, $baton, $deletions) = @_;
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my $t = $self->{types}->{$full_path};
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if (!defined $t) {
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die "$full_path not known in r$self->{r} or we have a bug!\n";
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}
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{
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no warnings 'once';
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# SVN::Node::none and SVN::Node::file are used only once,
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# so we're shutting up Perl's warnings about them.
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if ($t == $SVN::Node::none || defined($deletions->{$full_path})) {
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return $self->add_directory($full_path, $baton,
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undef, -1, $self->{pool});
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} elsif ($t == $SVN::Node::dir) {
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return $self->open_directory($full_path, $baton,
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$self->{r}, $self->{pool});
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} # no warnings 'once'
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print STDERR "$full_path already exists in repository at ",
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"r$self->{r} and it is not a directory (",
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($t == $SVN::Node::file ? 'file' : 'unknown'),"/$t)\n";
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} # no warnings 'once'
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exit 1;
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}
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sub ensure_path {
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my ($self, $path, $deletions) = @_;
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my $bat = $self->{bat};
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my $repo_path = $self->repo_path($path);
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return $bat->{''} unless (length $repo_path);
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my @p = split m#/+#, $repo_path;
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my $c = shift @p;
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$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{''}, $deletions);
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while (@p) {
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my $c0 = $c;
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$c .= '/' . shift @p;
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$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{$c0}, $deletions);
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}
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return $bat->{$c};
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}
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# Subroutine to convert a globbing pattern to a regular expression.
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# From perl cookbook.
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sub glob2pat {
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my $globstr = shift;
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my %patmap = ('*' => '.*', '?' => '.', '[' => '[', ']' => ']');
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$globstr =~ s{(.)} { $patmap{$1} || "\Q$1" }ge;
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return '^' . $globstr . '$';
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}
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sub check_autoprop {
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my ($self, $pattern, $properties, $file, $fbat) = @_;
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# Convert the globbing pattern to a regular expression.
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my $regex = glob2pat($pattern);
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# Check if the pattern matches the file name.
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if($file =~ m/($regex)/) {
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# Parse the list of properties to set.
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my @props = split(/;/, $properties);
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foreach my $prop (@props) {
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# Parse 'name=value' syntax and set the property.
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if ($prop =~ /([^=]+)=(.*)/) {
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my ($n,$v) = ($1,$2);
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for ($n, $v) {
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s/^\s+//; s/\s+$//;
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}
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$self->change_file_prop($fbat, $n, $v);
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}
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}
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}
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}
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sub apply_autoprops {
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my ($self, $file, $fbat) = @_;
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my $conf_t = ${$self->{config}}{'config'};
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no warnings 'once';
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# Check [miscellany]/enable-auto-props in svn configuration.
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if (SVN::_Core::svn_config_get_bool(
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$conf_t,
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$SVN::_Core::SVN_CONFIG_SECTION_MISCELLANY,
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$SVN::_Core::SVN_CONFIG_OPTION_ENABLE_AUTO_PROPS,
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0)) {
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# Auto-props are enabled. Enumerate them to look for matches.
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my $callback = sub {
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$self->check_autoprop($_[0], $_[1], $file, $fbat);
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};
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SVN::_Core::svn_config_enumerate(
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$conf_t,
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$SVN::_Core::SVN_CONFIG_SECTION_AUTO_PROPS,
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$callback);
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}
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}
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sub A {
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my ($self, $m, $deletions) = @_;
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my ($dir, $file) = split_path($m->{file_b});
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my $pbat = $self->ensure_path($dir, $deletions);
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my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
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undef, -1);
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print "\tA\t$m->{file_b}\n" unless $::_q;
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$self->apply_autoprops($file, $fbat);
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$self->chg_file($fbat, $m);
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$self->close_file($fbat,undef,$self->{pool});
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}
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sub C {
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my ($self, $m, $deletions) = @_;
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my ($dir, $file) = split_path($m->{file_b});
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my $pbat = $self->ensure_path($dir, $deletions);
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my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
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$self->url_path($m->{file_a}), $self->{r});
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print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
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$self->chg_file($fbat, $m);
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$self->close_file($fbat,undef,$self->{pool});
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}
|
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sub delete_entry {
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||||
my ($self, $path, $pbat) = @_;
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my $rpath = $self->repo_path($path);
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my ($dir, $file) = split_path($rpath);
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$self->{rm}->{$dir} = 1;
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$self->SUPER::delete_entry($rpath, $self->{r}, $pbat, $self->{pool});
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}
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sub R {
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||||
my ($self, $m, $deletions) = @_;
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||||
my ($dir, $file) = split_path($m->{file_b});
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my $pbat = $self->ensure_path($dir, $deletions);
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my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
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$self->url_path($m->{file_a}), $self->{r});
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print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
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$self->apply_autoprops($file, $fbat);
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$self->chg_file($fbat, $m);
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$self->close_file($fbat,undef,$self->{pool});
|
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|
||||
($dir, $file) = split_path($m->{file_a});
|
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$pbat = $self->ensure_path($dir, $deletions);
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$self->delete_entry($m->{file_a}, $pbat);
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||||
}
|
||||
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||||
sub M {
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||||
my ($self, $m, $deletions) = @_;
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my ($dir, $file) = split_path($m->{file_b});
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my $pbat = $self->ensure_path($dir, $deletions);
|
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my $fbat = $self->open_file($self->repo_path($m->{file_b}),
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$pbat,$self->{r},$self->{pool});
|
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print "\t$m->{chg}\t$m->{file_b}\n" unless $::_q;
|
||||
$self->chg_file($fbat, $m);
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$self->close_file($fbat,undef,$self->{pool});
|
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}
|
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|
||||
sub T { shift->M(@_) }
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sub change_file_prop {
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my ($self, $fbat, $pname, $pval) = @_;
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$self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool});
|
||||
}
|
||||
|
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sub change_dir_prop {
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||||
my ($self, $pbat, $pname, $pval) = @_;
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$self->SUPER::change_dir_prop($pbat, $pname, $pval, $self->{pool});
|
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}
|
||||
|
||||
sub _chg_file_get_blob ($$$$) {
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||||
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;
|
||||
}
|
||||
|
||||
package Git::SVN::Ra;
|
||||
use vars qw/@ISA $config_dir $_ignore_refs_regex $_log_window_size/;
|
||||
use strict;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,536 @@
|
|||
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 IO::File;
|
||||
use Git qw/command command_oneline command_noisy command_output_pipe
|
||||
command_input_pipe command_close_pipe
|
||||
command_bidi_pipe command_close_bidi_pipe/;
|
||||
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};
|
||||
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);
|
||||
local $/ = "\0";
|
||||
my $state = 'meta';
|
||||
my @mods;
|
||||
while (<$diff_fh>) {
|
||||
chomp $_; # this gets rid of the trailing "\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) = @_;
|
||||
if ($self->{url} =~ m#^https?://#) {
|
||||
$path =~ s!([^~a-zA-Z0-9_./-])!uc sprintf("%%%02x",ord($1))!eg;
|
||||
}
|
||||
$self->{url} . '/' . $self->repo_path($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});
|
||||
local $/ = "\0";
|
||||
while (<$fh>) {
|
||||
chomp;
|
||||
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 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->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);
|
||||
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
||||
$self->url_path($m->{file_a}), $self->{r});
|
||||
print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
|
||||
$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);
|
||||
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
||||
$self->url_path($m->{file_a}), $self->{r});
|
||||
print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
|
||||
$self->apply_autoprops($file, $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->chg_file($fbat, $m);
|
||||
$self->close_file($fbat,undef,$self->{pool});
|
||||
}
|
||||
|
||||
sub T { shift->M(@_) }
|
||||
|
||||
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__
|
||||
|
||||
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 =~ /$re/) {
|
||||
print "matched!\n";
|
||||
}
|
||||
|
||||
=head1 DESCRIPTION
|
||||
|
||||
This module is an implementation detail of the "git svn" command.
|
||||
Do not use it unless you are developing git-svn.
|
||||
|
||||
This module adapts the C<SVN::Delta::Editor> object returned by
|
||||
C<SVN::Delta::get_commit_editor> and drives it to convey the
|
||||
difference between two git tree objects to a remote Subversion
|
||||
repository.
|
||||
|
||||
The interface will change as git-svn evolves.
|
||||
|
||||
=head1 DEPENDENCIES
|
||||
|
||||
Subversion perl bindings,
|
||||
the core L<Carp> and L<IO::File> modules,
|
||||
and git's L<Git> helper module.
|
||||
|
||||
C<Git::SVN::Editor> has not been tested using callers other than
|
||||
B<git-svn> itself.
|
||||
|
||||
=head1 SEE ALSO
|
||||
|
||||
L<SVN::Delta>,
|
||||
L<Git::SVN::Fetcher>.
|
||||
|
||||
=head1 INCOMPATIBILITIES
|
||||
|
||||
None reported.
|
||||
|
||||
=head1 BUGS
|
||||
|
||||
None.
|
||||
|
|
@ -591,7 +591,8 @@ B<git-svn> itself.
|
|||
|
||||
=head1 SEE ALSO
|
||||
|
||||
L<SVN::Delta>.
|
||||
L<SVN::Delta>,
|
||||
L<Git::SVN::Editor>.
|
||||
|
||||
=head1 INCOMPATIBILITIES
|
||||
|
||||
|
|
|
|||
|
|
@ -28,6 +28,7 @@ my %pm = (
|
|||
'Git.pm' => '$(INST_LIBDIR)/Git.pm',
|
||||
'Git/I18N.pm' => '$(INST_LIBDIR)/Git/I18N.pm',
|
||||
'Git/SVN/Fetcher.pm' => '$(INST_LIBDIR)/Git/SVN/Fetcher.pm',
|
||||
'Git/SVN/Editor.pm' => '$(INST_LIBDIR)/Git/SVN/Editor.pm',
|
||||
'Git/SVN/Prompt.pm' => '$(INST_LIBDIR)/Git/SVN/Prompt.pm',
|
||||
);
|
||||
|
||||
|
|
|
|||
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