зеркало из https://github.com/microsoft/git.git
git-svn: add support for SVN::Mirror/svk using revprops for metadata
Pass --use-svm-props or set the svn.usesvmprops key with git-config to enable using properties set by SVN::Mirror when it mirrored the upstream URL. This is heavily based on work from Sam Vilain: > From: Sam Vilain <sam@vilain.net> > Date: Sun, 11 Feb 2007 12:34:45 +1300 > Subject: [PATCH] git-svn: re-map repository URLs and UUIDs on SVK mirror paths > > If an SVN revision has a property, "svm:headrev", it is likely that > the revision was created by SVN::Mirror (a part of SVK). The property > contains a repository UUID and a revision. We want to make it look > like we are mirroring the original URL, so introduce a helper function > that returns the original identity URL and UUID, and use it when > generating commit messages. Signed-off-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Eric Wong
Родитель
490f49ea58
Коммит
8a49ee9759
115
git-svn.perl
115
git-svn.perl
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@ -64,6 +64,7 @@ my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
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'authors-file|A=s' => \$_authors,
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'repack:i' => \$Git::SVN::_repack,
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'no-metadata' => \$Git::SVN::_no_metadata,
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'use-svm-props|svm-props' => \$Git::SVN::_use_svm_props,
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'quiet|q' => \$_q,
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'repack-flags|repack-args|repack-opts=s' =>
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\$Git::SVN::_repack_flags,
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@ -645,7 +646,7 @@ package Git::SVN;
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use strict;
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use warnings;
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use vars qw/$default_repo_id $default_ref_id $_no_metadata $_follow_parent
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$_repack $_repack_flags/;
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$_repack $_repack_flags $_use_svm_props/;
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use Carp qw/croak/;
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use File::Path qw/mkpath/;
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use File::Copy qw/copy/;
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@ -920,9 +921,54 @@ sub new {
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sub refname { "refs/remotes/$_[0]->{ref_id}" }
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sub set_svm_vars {
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my ($self, $ra) = @_;
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my $section = "svn-remote.$self->{repo_id}";
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# see if we have it in our config, first:
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eval {
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$self->{svm} = {
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source => $self->tmp_config('--get', "$section.svm-source"),
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uuid => $self->tmp_config('--get', "$section.svm-uuid"),
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}
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};
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return $ra if ($self->{svm}->{source} && $self->{svm}->{uuid});
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# nope, make sure we're connected to the repository root:
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if ($ra->{repos_root} ne $self->{url}) {
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$ra = Git::SVN::Ra->new($ra->{repos_root});
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}
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my $r = $ra->get_latest_revnum;
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my ($props) = ($ra->get_dir('', $r))[2];
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if (my $src = $props->{'svm:source'}) {
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# don't know what a '!' is there for, also the
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# username is of no interest
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$src =~ s{!$}{};
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$src =~ s{(^[a-z\+]*://)[^/@]*@}{$1};
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$self->tmp_config('--add', "$section.svm-source", $src);
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my $uuid = $props->{'svm:uuid'};
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$uuid =~ m{^[0-9a-f\-]{30,}$}
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or die "doesn't look right - svm:uuid is '$uuid'\n";
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$self->tmp_config('--add', "$section.svm-uuid", $uuid);
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$self->{svm} = { source => $src , uuid => $uuid };
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}
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if ($ra->{repos_root} ne $self->{url}) {
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$ra = Git::SVN::Ra->new($self->{url});
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}
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$ra;
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}
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sub ra {
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my ($self) = shift;
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Git::SVN::Ra->new($self->{url});
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my $ra = Git::SVN::Ra->new($self->{url});
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$self->{-use_svm_props} = $Git::SVN::_use_svm_props;
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if ($self->{-use_svm_props} && !$self->{svm}) {
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$ra = $self->set_svm_vars($ra);
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$self->{-want_revprops} = 1;
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}
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$ra;
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}
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sub rel_path {
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@ -1006,16 +1052,44 @@ sub get_fetch_range {
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(++$min, $max);
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}
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sub tmp_config {
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my ($self, @args) = @_;
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unless (-f $self->{config}) {
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open my $fh, '>', $self->{config} or
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die "Can't open $self->{config}: $!\n";
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print $fh "; This file is used internally by git-svn\n" or
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die "Couldn't write to $self->{config}: $!\n";
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print $fh "; You should not have to edit it\n" or
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die "Couldn't write to $self->{config}: $!\n";
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close $fh or die "Couldn't close $self->{config}: $!\n";
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}
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my $old_config = $ENV{GIT_CONFIG};
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$ENV{GIT_CONFIG} = $self->{config};
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$@ = undef;
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my @ret = eval { command('config', @args) };
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my $err = $@;
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if (defined $old_config) {
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$ENV{GIT_CONFIG} = $old_config;
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} else {
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delete $ENV{GIT_CONFIG};
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}
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die $err if $err;
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wantarray ? @ret : $ret[0];
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}
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sub tmp_index_do {
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my ($self, $sub) = @_;
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my $old_index = $ENV{GIT_INDEX_FILE};
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$ENV{GIT_INDEX_FILE} = $self->{index};
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my @ret = &$sub;
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if ($old_index) {
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$@ = undef;
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my @ret = eval { &$sub };
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my $err = $@;
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if (defined $old_index) {
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$ENV{GIT_INDEX_FILE} = $old_index;
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} else {
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delete $ENV{GIT_INDEX_FILE};
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}
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die $err if $err;
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wantarray ? @ret : $ret[0];
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}
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@ -1105,9 +1179,8 @@ sub do_git_commit {
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or croak $!;
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print $msg_fh $log_entry->{log} or croak $!;
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unless ($_no_metadata) {
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print $msg_fh "\ngit-svn-id: ", $self->full_url, '@',
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$log_entry->{revision}, ' ',
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$self->ra->uuid, "\n" or croak $!;
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print $msg_fh "\ngit-svn-id: $log_entry->{metadata}\n"
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or croak $!;
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}
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$msg_fh->flush == 0 or croak $!;
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close $msg_fh or croak $!;
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@ -1123,7 +1196,11 @@ sub do_git_commit {
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$self->{last_rev} = $log_entry->{revision};
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$self->{last_commit} = $commit;
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print "r$log_entry->{revision} = $commit ($self->{ref_id})\n";
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print "r$log_entry->{revision}";
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if (defined $log_entry->{svm_revision}) {
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print " (\@$log_entry->{svm_revision})";
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}
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print " = $commit ($self->{ref_id})\n";
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if (defined $_repack && (--$_repack_nr == 0)) {
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$_repack_nr = $_repack;
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# repack doesn't use any arguments with spaces in them, does it?
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@ -1351,13 +1428,16 @@ sub make_log_entry {
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my %log_entry = ( parents => $parents || [], revision => $rev,
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log => '');
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my $headrev;
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my $logged = delete $self->{logged_rev_props};
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if (!$logged || $self->{-want_extra_revprops}) {
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if (!$logged || $self->{-want_revprops}) {
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my $rp = $self->ra->rev_proplist($rev);
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foreach (sort keys %$rp) {
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my $v = $rp->{$_};
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if (/^svn:(author|date|log)$/) {
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$log_entry{$1} = $v;
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} elsif ($_ eq 'svm:headrev') {
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$headrev = $v;
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} else {
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print $un " rev_prop: ", uri_encode($_), ' ',
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uri_encode($v), "\n";
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@ -1371,6 +1451,21 @@ sub make_log_entry {
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$log_entry{date} = parse_svn_date($log_entry{date});
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$log_entry{author} = check_author($log_entry{author});
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$log_entry{log} .= "\n";
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if (defined $headrev && $self->{-use_svm_props}) {
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my ($uuid, $r) = $headrev =~ m{^([a-f\d\-]{30,}):(\d+)$};
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if ($uuid ne $self->{svm}->{uuid}) {
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die "UUID mismatch on SVM path:\n",
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"expected: $self->{svm}->{uuid}\n",
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" got: $uuid\n";
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}
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my $full_url = $self->{svm}->{source};
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$full_url .= "/$self->{path}" if length $self->{path};
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$log_entry{metadata} = "$full_url\@$r $uuid";
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$log_entry{svm_revision} = $r;
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} else {
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$log_entry{metadata} = $self->full_url . "\@$rev " .
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$self->ra->uuid;
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}
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\%log_entry;
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}
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@ -1549,7 +1644,7 @@ sub _new {
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close $fh or croak $!;
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}
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bless { ref_id => $ref_id, dir => $dir, index => "$dir/index",
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path => $path,
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path => $path, config => "$ENV{GIT_DIR}/svn/config",
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db_path => "$dir/.rev_db", repo_id => $repo_id }, $class;
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}
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