]> git.ipfire.org Git - thirdparty/git.git/blobdiff - git-svnimport.perl
No longer install git-svnimport, move to contrib/examples
[thirdparty/git.git] / git-svnimport.perl
diff --git a/git-svnimport.perl b/git-svnimport.perl
deleted file mode 100755 (executable)
index ea8c1b2..0000000
+++ /dev/null
@@ -1,976 +0,0 @@
-#!/usr/bin/perl -w
-
-# This tool is copyright (c) 2005, Matthias Urlichs.
-# It is released under the Gnu Public License, version 2.
-#
-# The basic idea is to pull and analyze SVN changes.
-#
-# Checking out the files is done by a single long-running SVN connection.
-#
-# The head revision is on branch "origin" by default.
-# You can change that with the '-o' option.
-
-use strict;
-use warnings;
-use Getopt::Std;
-use File::Copy;
-use File::Spec;
-use File::Temp qw(tempfile);
-use File::Path qw(mkpath);
-use File::Basename qw(basename dirname);
-use Time::Local;
-use IO::Pipe;
-use POSIX qw(strftime dup2);
-use IPC::Open2;
-use SVN::Core;
-use SVN::Ra;
-
-die "Need SVN:Core 1.2.1 or better" if $SVN::Core::VERSION lt "1.2.1";
-
-$SIG{'PIPE'}="IGNORE";
-$ENV{'TZ'}="UTC";
-
-our($opt_h,$opt_o,$opt_v,$opt_u,$opt_C,$opt_i,$opt_m,$opt_M,$opt_t,$opt_T,
-    $opt_b,$opt_r,$opt_I,$opt_A,$opt_s,$opt_l,$opt_d,$opt_D,$opt_S,$opt_F,
-    $opt_P,$opt_R);
-
-sub usage() {
-       print STDERR <<END;
-Usage: ${\basename $0}     # fetch/update GIT from SVN
-       [-o branch-for-HEAD] [-h] [-v] [-l max_rev] [-R repack_each_revs]
-       [-C GIT_repository] [-t tagname] [-T trunkname] [-b branchname]
-       [-d|-D] [-i] [-u] [-r] [-I ignorefilename] [-s start_chg]
-       [-m] [-M regex] [-A author_file] [-S] [-F] [-P project_name] [SVN_URL]
-END
-       exit(1);
-}
-
-getopts("A:b:C:dDFhiI:l:mM:o:rs:t:T:SP:R:uv") or usage();
-usage if $opt_h;
-
-my $tag_name = $opt_t || "tags";
-my $trunk_name = defined $opt_T ? $opt_T : "trunk";
-my $branch_name = $opt_b || "branches";
-my $project_name = $opt_P || "";
-$project_name = "/" . $project_name if ($project_name);
-my $repack_after = $opt_R || 1000;
-my $root_pool = SVN::Pool->new_default;
-
-@ARGV == 1 or @ARGV == 2 or usage();
-
-$opt_o ||= "origin";
-$opt_s ||= 1;
-my $git_tree = $opt_C;
-$git_tree ||= ".";
-
-my $svn_url = $ARGV[0];
-my $svn_dir = $ARGV[1];
-
-our @mergerx = ();
-if ($opt_m) {
-       my $branch_esc = quotemeta ($branch_name);
-       my $trunk_esc  = quotemeta ($trunk_name);
-       @mergerx =
-       (
-               qr!\b(?:merg(?:ed?|ing))\b.*?\b((?:(?<=$branch_esc/)[\w\.\-]+)|(?:$trunk_esc))\b!i,
-               qr!\b(?:from|of)\W+((?:(?<=$branch_esc/)[\w\.\-]+)|(?:$trunk_esc))\b!i,
-               qr!\b(?:from|of)\W+(?:the )?([\w\.\-]+)[-\s]branch\b!i
-       );
-}
-if ($opt_M) {
-       unshift (@mergerx, qr/$opt_M/);
-}
-
-# Absolutize filename now, since we will have chdir'ed by the time we
-# get around to opening it.
-$opt_A = File::Spec->rel2abs($opt_A) if $opt_A;
-
-our %users = ();
-our $users_file = undef;
-sub read_users($) {
-       $users_file = File::Spec->rel2abs(@_);
-       die "Cannot open $users_file\n" unless -f $users_file;
-       open(my $authors,$users_file);
-       while(<$authors>) {
-               chomp;
-               next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/;
-               (my $user,my $name,my $email) = ($1,$2,$3);
-               $users{$user} = [$name,$email];
-       }
-       close($authors);
-}
-
-select(STDERR); $|=1; select(STDOUT);
-
-
-package SVNconn;
-# Basic SVN connection.
-# We're only interested in connecting and downloading, so ...
-
-use File::Spec;
-use File::Temp qw(tempfile);
-use POSIX qw(strftime dup2);
-use Fcntl qw(SEEK_SET);
-
-sub new {
-       my($what,$repo) = @_;
-       $what=ref($what) if ref($what);
-
-       my $self = {};
-       $self->{'buffer'} = "";
-       bless($self,$what);
-
-       $repo =~ s#/+$##;
-       $self->{'fullrep'} = $repo;
-       $self->conn();
-
-       return $self;
-}
-
-sub conn {
-       my $self = shift;
-       my $repo = $self->{'fullrep'};
-       my $auth = SVN::Core::auth_open ([SVN::Client::get_simple_provider,
-                         SVN::Client::get_ssl_server_trust_file_provider,
-                         SVN::Client::get_username_provider]);
-       my $s = SVN::Ra->new(url => $repo, auth => $auth, pool => $root_pool);
-       die "SVN connection to $repo: $!\n" unless defined $s;
-       $self->{'svn'} = $s;
-       $self->{'repo'} = $repo;
-       $self->{'maxrev'} = $s->get_latest_revnum();
-}
-
-sub file {
-       my($self,$path,$rev) = @_;
-
-       my ($fh, $name) = tempfile('gitsvn.XXXXXX',
-                   DIR => File::Spec->tmpdir(), UNLINK => 1);
-
-       print "... $rev $path ...\n" if $opt_v;
-       my (undef, $properties);
-       $path =~ s#^/*##;
-       my $subpool = SVN::Pool::new_default_sub;
-       eval { (undef, $properties)
-                  = $self->{'svn'}->get_file($path,$rev,$fh); };
-       if($@) {
-               return undef if $@ =~ /Attempted to get checksum/;
-               die $@;
-       }
-       my $mode;
-       if (exists $properties->{'svn:executable'}) {
-               $mode = '100755';
-       } elsif (exists $properties->{'svn:special'}) {
-               my ($special_content, $filesize);
-               $filesize = tell $fh;
-               seek $fh, 0, SEEK_SET;
-               read $fh, $special_content, $filesize;
-               if ($special_content =~ s/^link //) {
-                       $mode = '120000';
-                       seek $fh, 0, SEEK_SET;
-                       truncate $fh, 0;
-                       print $fh $special_content;
-               } else {
-                       die "unexpected svn:special file encountered";
-               }
-       } else {
-               $mode = '100644';
-       }
-       close ($fh);
-
-       return ($name, $mode);
-}
-
-sub ignore {
-       my($self,$path,$rev) = @_;
-
-       print "... $rev $path ...\n" if $opt_v;
-       $path =~ s#^/*##;
-       my $subpool = SVN::Pool::new_default_sub;
-       my (undef,undef,$properties)
-           = $self->{'svn'}->get_dir($path,$rev,undef);
-       if (exists $properties->{'svn:ignore'}) {
-               my ($fh, $name) = tempfile('gitsvn.XXXXXX',
-                                          DIR => File::Spec->tmpdir(),
-                                          UNLINK => 1);
-               print $fh $properties->{'svn:ignore'};
-               close($fh);
-               return $name;
-       } else {
-               return undef;
-       }
-}
-
-sub dir_list {
-       my($self,$path,$rev) = @_;
-       $path =~ s#^/*##;
-       my $subpool = SVN::Pool::new_default_sub;
-       my ($dirents,undef,$properties)
-           = $self->{'svn'}->get_dir($path,$rev,undef);
-       return $dirents;
-}
-
-package main;
-use URI;
-
-our $svn = $svn_url;
-$svn .= "/$svn_dir" if defined $svn_dir;
-my $svn2 = SVNconn->new($svn);
-$svn = SVNconn->new($svn);
-
-my $lwp_ua;
-if($opt_d or $opt_D) {
-       $svn_url = URI->new($svn_url)->canonical;
-       if($opt_D) {
-               $svn_dir =~ s#/*$#/#;
-       } else {
-               $svn_dir = "";
-       }
-       if ($svn_url->scheme eq "http") {
-               use LWP::UserAgent;
-               $lwp_ua = LWP::UserAgent->new(keep_alive => 1, requests_redirectable => []);
-       } else {
-               print STDERR "Warning: not HTTP; turning off direct file access\n";
-               $opt_d=0;
-       }
-}
-
-sub pdate($) {
-       my($d) = @_;
-       $d =~ m#(\d\d\d\d)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)#
-               or die "Unparseable date: $d\n";
-       my $y=$1; $y-=1900 if $y>1900;
-       return timegm($6||0,$5,$4,$3,$2-1,$y);
-}
-
-sub getwd() {
-       my $pwd = `pwd`;
-       chomp $pwd;
-       return $pwd;
-}
-
-
-sub get_headref($$) {
-    my $name    = shift;
-    my $git_dir = shift;
-    my $sha;
-
-    if (open(C,"$git_dir/refs/heads/$name")) {
-       chomp($sha = <C>);
-       close(C);
-       length($sha) == 40
-           or die "Cannot get head id for $name ($sha): $!\n";
-    }
-    return $sha;
-}
-
-
--d $git_tree
-       or mkdir($git_tree,0777)
-       or die "Could not create $git_tree: $!";
-chdir($git_tree);
-
-my $orig_branch = "";
-my $forward_master = 0;
-my %branches;
-
-my $git_dir = $ENV{"GIT_DIR"} || ".git";
-$git_dir = getwd()."/".$git_dir unless $git_dir =~ m#^/#;
-$ENV{"GIT_DIR"} = $git_dir;
-my $orig_git_index;
-$orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE};
-my ($git_ih, $git_index) = tempfile('gitXXXXXX', SUFFIX => '.idx',
-                                   DIR => File::Spec->tmpdir());
-close ($git_ih);
-$ENV{GIT_INDEX_FILE} = $git_index;
-my $maxnum = 0;
-my $last_rev = "";
-my $last_branch;
-my $current_rev = $opt_s || 1;
-unless(-d $git_dir) {
-       system("git-init");
-       die "Cannot init the GIT db at $git_tree: $?\n" if $?;
-       system("git-read-tree");
-       die "Cannot init an empty tree: $?\n" if $?;
-
-       $last_branch = $opt_o;
-       $orig_branch = "";
-} else {
-       -f "$git_dir/refs/heads/$opt_o"
-               or die "Branch '$opt_o' does not exist.\n".
-                      "Either use the correct '-o branch' option,\n".
-                      "or import to a new repository.\n";
-
-       -f "$git_dir/svn2git"
-               or die "'$git_dir/svn2git' does not exist.\n".
-                      "You need that file for incremental imports.\n";
-       open(F, "git-symbolic-ref HEAD |") or
-               die "Cannot run git-symbolic-ref: $!\n";
-       chomp ($last_branch = <F>);
-       $last_branch = basename($last_branch);
-       close(F);
-       unless($last_branch) {
-               warn "Cannot read the last branch name: $! -- assuming 'master'\n";
-               $last_branch = "master";
-       }
-       $orig_branch = $last_branch;
-       $last_rev = get_headref($orig_branch, $git_dir);
-       if (-f "$git_dir/SVN2GIT_HEAD") {
-               die <<EOM;
-SVN2GIT_HEAD exists.
-Make sure your working directory corresponds to HEAD and remove SVN2GIT_HEAD.
-You may need to run
-
-    git-read-tree -m -u SVN2GIT_HEAD HEAD
-EOM
-       }
-       system('cp', "$git_dir/HEAD", "$git_dir/SVN2GIT_HEAD");
-
-       $forward_master =
-           $opt_o ne 'master' && -f "$git_dir/refs/heads/master" &&
-           system('cmp', '-s', "$git_dir/refs/heads/master",
-                               "$git_dir/refs/heads/$opt_o") == 0;
-
-       # populate index
-       system('git-read-tree', $last_rev);
-       die "read-tree failed: $?\n" if $?;
-
-       # Get the last import timestamps
-       open my $B,"<", "$git_dir/svn2git";
-       while(<$B>) {
-               chomp;
-               my($num,$branch,$ref) = split;
-               $branches{$branch}{$num} = $ref;
-               $branches{$branch}{"LAST"} = $ref;
-               $current_rev = $num+1 if $current_rev <= $num;
-       }
-       close($B);
-}
--d $git_dir
-       or die "Could not create git subdir ($git_dir).\n";
-
-my $default_authors = "$git_dir/svn-authors";
-if ($opt_A) {
-       read_users($opt_A);
-       copy($opt_A,$default_authors) or die "Copy failed: $!";
-} else {
-       read_users($default_authors) if -f $default_authors;
-}
-
-open BRANCHES,">>", "$git_dir/svn2git";
-
-sub node_kind($$) {
-       my ($svnpath, $revision) = @_;
-       $svnpath =~ s#^/*##;
-       my $subpool = SVN::Pool::new_default_sub;
-       my $kind = $svn->{'svn'}->check_path($svnpath,$revision);
-       return $kind;
-}
-
-sub get_file($$$) {
-       my($svnpath,$rev,$path) = @_;
-
-       # now get it
-       my ($name,$mode);
-       if($opt_d) {
-               my($req,$res);
-
-               # /svn/!svn/bc/2/django/trunk/django-docs/build.py
-               my $url=$svn_url->clone();
-               $url->path($url->path."/!svn/bc/$rev/$svn_dir$svnpath");
-               print "... $path...\n" if $opt_v;
-               $req = HTTP::Request->new(GET => $url);
-               $res = $lwp_ua->request($req);
-               if ($res->is_success) {
-                       my $fh;
-                       ($fh, $name) = tempfile('gitsvn.XXXXXX',
-                       DIR => File::Spec->tmpdir(), UNLINK => 1);
-                       print $fh $res->content;
-                       close($fh) or die "Could not write $name: $!\n";
-               } else {
-                       return undef if $res->code == 301; # directory?
-                       die $res->status_line." at $url\n";
-               }
-               $mode = '0644'; # can't obtain mode via direct http request?
-       } else {
-               ($name,$mode) = $svn->file("$svnpath",$rev);
-               return undef unless defined $name;
-       }
-
-       my $pid = open(my $F, '-|');
-       die $! unless defined $pid;
-       if (!$pid) {
-           exec("git-hash-object", "-w", $name)
-               or die "Cannot create object: $!\n";
-       }
-       my $sha = <$F>;
-       chomp $sha;
-       close $F;
-       unlink $name;
-       return [$mode, $sha, $path];
-}
-
-sub get_ignore($$$$$) {
-       my($new,$old,$rev,$path,$svnpath) = @_;
-
-       return unless $opt_I;
-       my $name = $svn->ignore("$svnpath",$rev);
-       if ($path eq '/') {
-               $path = $opt_I;
-       } else {
-               $path = File::Spec->catfile($path,$opt_I);
-       }
-       if (defined $name) {
-               my $pid = open(my $F, '-|');
-               die $! unless defined $pid;
-               if (!$pid) {
-                       exec("git-hash-object", "-w", $name)
-                           or die "Cannot create object: $!\n";
-               }
-               my $sha = <$F>;
-               chomp $sha;
-               close $F;
-               unlink $name;
-               push(@$new,['0644',$sha,$path]);
-       } elsif (defined $old) {
-               push(@$old,$path);
-       }
-}
-
-sub project_path($$)
-{
-       my ($path, $project) = @_;
-
-       $path = "/".$path unless ($path =~ m#^\/#) ;
-       return $1 if ($path =~ m#^$project\/(.*)$#);
-
-       $path =~ s#\.#\\\.#g;
-       $path =~ s#\+#\\\+#g;
-       return "/" if ($project =~ m#^$path.*$#);
-
-       return undef;
-}
-
-sub split_path($$) {
-       my($rev,$path) = @_;
-       my $branch;
-
-       if($path =~ s#^/\Q$tag_name\E/([^/]+)/?##) {
-               $branch = "/$1";
-       } elsif($path =~ s#^/\Q$trunk_name\E/?##) {
-               $branch = "/";
-       } elsif($path =~ s#^/\Q$branch_name\E/([^/]+)/?##) {
-               $branch = $1;
-       } else {
-               my %no_error = (
-                       "/" => 1,
-                       "/$tag_name" => 1,
-                       "/$branch_name" => 1
-               );
-               print STDERR "$rev: Unrecognized path: $path\n" unless (defined $no_error{$path});
-               return ()
-       }
-       if ($path eq "") {
-               $path = "/";
-       } elsif ($project_name) {
-               $path = project_path($path, $project_name);
-       }
-       return ($branch,$path);
-}
-
-sub branch_rev($$) {
-
-       my ($srcbranch,$uptorev) = @_;
-
-       my $bbranches = $branches{$srcbranch};
-       my @revs = reverse sort { ($a eq 'LAST' ? 0 : $a) <=> ($b eq 'LAST' ? 0 : $b) } keys %$bbranches;
-       my $therev;
-       foreach my $arev(@revs) {
-               next if  ($arev eq 'LAST');
-               if ($arev <= $uptorev) {
-                       $therev = $arev;
-                       last;
-               }
-       }
-       return $therev;
-}
-
-sub expand_svndir($$$);
-
-sub expand_svndir($$$)
-{
-       my ($svnpath, $rev, $path) = @_;
-       my @list;
-       get_ignore(\@list, undef, $rev, $path, $svnpath);
-       my $dirents = $svn->dir_list($svnpath, $rev);
-       foreach my $p(keys %$dirents) {
-               my $kind = node_kind($svnpath.'/'.$p, $rev);
-               if ($kind eq $SVN::Node::file) {
-                       my $f = get_file($svnpath.'/'.$p, $rev, $path.'/'.$p);
-                       push(@list, $f) if $f;
-               } elsif ($kind eq $SVN::Node::dir) {
-                       push(@list,
-                            expand_svndir($svnpath.'/'.$p, $rev, $path.'/'.$p));
-               }
-       }
-       return @list;
-}
-
-sub copy_path($$$$$$$$) {
-       # Somebody copied a whole subdirectory.
-       # We need to find the index entries from the old version which the
-       # SVN log entry points to, and add them to the new place.
-
-       my($newrev,$newbranch,$path,$oldpath,$rev,$node_kind,$new,$parents) = @_;
-
-       my($srcbranch,$srcpath) = split_path($rev,$oldpath);
-       unless(defined $srcbranch && defined $srcpath) {
-               print "Path not found when copying from $oldpath @ $rev.\n".
-                       "Will try to copy from original SVN location...\n"
-                       if $opt_v;
-               push (@$new, expand_svndir($oldpath, $rev, $path));
-               return;
-       }
-       my $therev = branch_rev($srcbranch, $rev);
-       my $gitrev = $branches{$srcbranch}{$therev};
-       unless($gitrev) {
-               print STDERR "$newrev:$newbranch: could not find $oldpath \@ $rev\n";
-               return;
-       }
-       if ($srcbranch ne $newbranch) {
-               push(@$parents, $branches{$srcbranch}{'LAST'});
-       }
-       print "$newrev:$newbranch:$path: copying from $srcbranch:$srcpath @ $rev\n" if $opt_v;
-       if ($node_kind eq $SVN::Node::dir) {
-               $srcpath =~ s#/*$#/#;
-       }
-
-       my $pid = open my $f,'-|';
-       die $! unless defined $pid;
-       if (!$pid) {
-               exec("git-ls-tree","-r","-z",$gitrev,$srcpath)
-                       or die $!;
-       }
-       local $/ = "\0";
-       while(<$f>) {
-               chomp;
-               my($m,$p) = split(/\t/,$_,2);
-               my($mode,$type,$sha1) = split(/ /,$m);
-               next if $type ne "blob";
-               if ($node_kind eq $SVN::Node::dir) {
-                       $p = $path . substr($p,length($srcpath)-1);
-               } else {
-                       $p = $path;
-               }
-               push(@$new,[$mode,$sha1,$p]);
-       }
-       close($f) or
-               print STDERR "$newrev:$newbranch: could not list files in $oldpath \@ $rev\n";
-}
-
-sub commit {
-       my($branch, $changed_paths, $revision, $author, $date, $message) = @_;
-       my($committer_name,$committer_email,$dest);
-       my($author_name,$author_email);
-       my(@old,@new,@parents);
-
-       if (not defined $author or $author eq "") {
-               $committer_name = $committer_email = "unknown";
-       } elsif (defined $users_file) {
-               die "User $author is not listed in $users_file\n"
-                   unless exists $users{$author};
-               ($committer_name,$committer_email) = @{$users{$author}};
-       } elsif ($author =~ /^(.*?)\s+<(.*)>$/) {
-               ($committer_name, $committer_email) = ($1, $2);
-       } else {
-               $author =~ s/^<(.*)>$/$1/;
-               $committer_name = $committer_email = $author;
-       }
-
-       if ($opt_F && $message =~ /From:\s+(.*?)\s+<(.*)>\s*\n/) {
-               ($author_name, $author_email) = ($1, $2);
-               print "Author from From: $1 <$2>\n" if ($opt_v);;
-       } elsif ($opt_S && $message =~ /Signed-off-by:\s+(.*?)\s+<(.*)>\s*\n/) {
-               ($author_name, $author_email) = ($1, $2);
-               print "Author from Signed-off-by: $1 <$2>\n" if ($opt_v);;
-       } else {
-               $author_name = $committer_name;
-               $author_email = $committer_email;
-       }
-
-       $date = pdate($date);
-
-       my $tag;
-       my $parent;
-       if($branch eq "/") { # trunk
-               $parent = $opt_o;
-       } elsif($branch =~ m#^/(.+)#) { # tag
-               $tag = 1;
-               $parent = $1;
-       } else { # "normal" branch
-               # nothing to do
-               $parent = $branch;
-       }
-       $dest = $parent;
-
-       my $prev = $changed_paths->{"/"};
-       if($prev and $prev->[0] eq "A") {
-               delete $changed_paths->{"/"};
-               my $oldpath = $prev->[1];
-               my $rev;
-               if(defined $oldpath) {
-                       my $p;
-                       ($parent,$p) = split_path($revision,$oldpath);
-                       if(defined $parent) {
-                               if($parent eq "/") {
-                                       $parent = $opt_o;
-                               } else {
-                                       $parent =~ s#^/##; # if it's a tag
-                               }
-                       }
-               } else {
-                       $parent = undef;
-               }
-       }
-
-       my $rev;
-       if($revision > $opt_s and defined $parent) {
-               open(H,'-|',"git-rev-parse","--verify",$parent);
-               $rev = <H>;
-               close(H) or do {
-                       print STDERR "$revision: cannot find commit '$parent'!\n";
-                       return;
-               };
-               chop $rev;
-               if(length($rev) != 40) {
-                       print STDERR "$revision: cannot find commit '$parent'!\n";
-                       return;
-               }
-               $rev = $branches{($parent eq $opt_o) ? "/" : $parent}{"LAST"};
-               if($revision != $opt_s and not $rev) {
-                       print STDERR "$revision: do not know ancestor for '$parent'!\n";
-                       return;
-               }
-       } else {
-               $rev = undef;
-       }
-
-#      if($prev and $prev->[0] eq "A") {
-#              if(not $tag) {
-#                      unless(open(H,"> $git_dir/refs/heads/$branch")) {
-#                              print STDERR "$revision: Could not create branch $branch: $!\n";
-#                              $state=11;
-#                              next;
-#                      }
-#                      print H "$rev\n"
-#                              or die "Could not write branch $branch: $!";
-#                      close(H)
-#                              or die "Could not write branch $branch: $!";
-#              }
-#      }
-       if(not defined $rev) {
-               unlink($git_index);
-       } elsif ($rev ne $last_rev) {
-               print "Switching from $last_rev to $rev ($branch)\n" if $opt_v;
-               system("git-read-tree", $rev);
-               die "read-tree failed for $rev: $?\n" if $?;
-               $last_rev = $rev;
-       }
-
-       push (@parents, $rev) if defined $rev;
-
-       my $cid;
-       if($tag and not %$changed_paths) {
-               $cid = $rev;
-       } else {
-               my @paths = sort keys %$changed_paths;
-               foreach my $path(@paths) {
-                       my $action = $changed_paths->{$path};
-
-                       if ($action->[0] eq "R") {
-                               # refer to a file/tree in an earlier commit
-                               push(@old,$path); # remove any old stuff
-                       }
-                       if(($action->[0] eq "A") || ($action->[0] eq "R")) {
-                               my $node_kind = node_kind($action->[3], $revision);
-                               if ($node_kind eq $SVN::Node::file) {
-                                       my $f = get_file($action->[3],
-                                                        $revision, $path);
-                                       if ($f) {
-                                               push(@new,$f) if $f;
-                                       } else {
-                                               my $opath = $action->[3];
-                                               print STDERR "$revision: $branch: could not fetch '$opath'\n";
-                                       }
-                               } elsif ($node_kind eq $SVN::Node::dir) {
-                                       if($action->[1]) {
-                                               copy_path($revision, $branch,
-                                                         $path, $action->[1],
-                                                         $action->[2], $node_kind,
-                                                         \@new, \@parents);
-                                       } else {
-                                               get_ignore(\@new, \@old, $revision,
-                                                          $path, $action->[3]);
-                                       }
-                               }
-                       } elsif ($action->[0] eq "D") {
-                               push(@old,$path);
-                       } elsif ($action->[0] eq "M") {
-                               my $node_kind = node_kind($action->[3], $revision);
-                               if ($node_kind eq $SVN::Node::file) {
-                                       my $f = get_file($action->[3],
-                                                        $revision, $path);
-                                       push(@new,$f) if $f;
-                               } elsif ($node_kind eq $SVN::Node::dir) {
-                                       get_ignore(\@new, \@old, $revision,
-                                                  $path, $action->[3]);
-                               }
-                       } else {
-                               die "$revision: unknown action '".$action->[0]."' for $path\n";
-                       }
-               }
-
-               while(@old) {
-                       my @o1;
-                       if(@old > 55) {
-                               @o1 = splice(@old,0,50);
-                       } else {
-                               @o1 = @old;
-                               @old = ();
-                       }
-                       my $pid = open my $F, "-|";
-                       die "$!" unless defined $pid;
-                       if (!$pid) {
-                               exec("git-ls-files", "-z", @o1) or die $!;
-                       }
-                       @o1 = ();
-                       local $/ = "\0";
-                       while(<$F>) {
-                               chomp;
-                               push(@o1,$_);
-                       }
-                       close($F);
-
-                       while(@o1) {
-                               my @o2;
-                               if(@o1 > 55) {
-                                       @o2 = splice(@o1,0,50);
-                               } else {
-                                       @o2 = @o1;
-                                       @o1 = ();
-                               }
-                               system("git-update-index","--force-remove","--",@o2);
-                               die "Cannot remove files: $?\n" if $?;
-                       }
-               }
-               while(@new) {
-                       my @n2;
-                       if(@new > 12) {
-                               @n2 = splice(@new,0,10);
-                       } else {
-                               @n2 = @new;
-                               @new = ();
-                       }
-                       system("git-update-index","--add",
-                               (map { ('--cacheinfo', @$_) } @n2));
-                       die "Cannot add files: $?\n" if $?;
-               }
-
-               my $pid = open(C,"-|");
-               die "Cannot fork: $!" unless defined $pid;
-               unless($pid) {
-                       exec("git-write-tree");
-                       die "Cannot exec git-write-tree: $!\n";
-               }
-               chomp(my $tree = <C>);
-               length($tree) == 40
-                       or die "Cannot get tree id ($tree): $!\n";
-               close(C)
-                       or die "Error running git-write-tree: $?\n";
-               print "Tree ID $tree\n" if $opt_v;
-
-               my $pr = IO::Pipe->new() or die "Cannot open pipe: $!\n";
-               my $pw = IO::Pipe->new() or die "Cannot open pipe: $!\n";
-               $pid = fork();
-               die "Fork: $!\n" unless defined $pid;
-               unless($pid) {
-                       $pr->writer();
-                       $pw->reader();
-                       open(OUT,">&STDOUT");
-                       dup2($pw->fileno(),0);
-                       dup2($pr->fileno(),1);
-                       $pr->close();
-                       $pw->close();
-
-                       my @par = ();
-
-                       # loose detection of merges
-                       # based on the commit msg
-                       foreach my $rx (@mergerx) {
-                               if ($message =~ $rx) {
-                                       my $mparent = $1;
-                                       if ($mparent eq 'HEAD') { $mparent = $opt_o };
-                                       if ( -e "$git_dir/refs/heads/$mparent") {
-                                               $mparent = get_headref($mparent, $git_dir);
-                                               push (@parents, $mparent);
-                                               print OUT "Merge parent branch: $mparent\n" if $opt_v;
-                                       }
-                               }
-                       }
-                       my %seen_parents = ();
-                       my @unique_parents = grep { ! $seen_parents{$_} ++ } @parents;
-                       foreach my $bparent (@unique_parents) {
-                               push @par, '-p', $bparent;
-                               print OUT "Merge parent branch: $bparent\n" if $opt_v;
-                       }
-
-                       exec("env",
-                               "GIT_AUTHOR_NAME=$author_name",
-                               "GIT_AUTHOR_EMAIL=$author_email",
-                               "GIT_AUTHOR_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)),
-                               "GIT_COMMITTER_NAME=$committer_name",
-                               "GIT_COMMITTER_EMAIL=$committer_email",
-                               "GIT_COMMITTER_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)),
-                               "git-commit-tree", $tree,@par);
-                       die "Cannot exec git-commit-tree: $!\n";
-               }
-               $pw->writer();
-               $pr->reader();
-
-               $message =~ s/[\s\n]+\z//;
-               $message = "r$revision: $message" if $opt_r;
-
-               print $pw "$message\n"
-                       or die "Error writing to git-commit-tree: $!\n";
-               $pw->close();
-
-               print "Committed change $revision:$branch ".strftime("%Y-%m-%d %H:%M:%S",gmtime($date)).")\n" if $opt_v;
-               chomp($cid = <$pr>);
-               length($cid) == 40
-                       or die "Cannot get commit id ($cid): $!\n";
-               print "Commit ID $cid\n" if $opt_v;
-               $pr->close();
-
-               waitpid($pid,0);
-               die "Error running git-commit-tree: $?\n" if $?;
-       }
-
-       if (not defined $cid) {
-               $cid = $branches{"/"}{"LAST"};
-       }
-
-       if(not defined $dest) {
-               print "... no known parent\n" if $opt_v;
-       } elsif(not $tag) {
-               print "Writing to refs/heads/$dest\n" if $opt_v;
-               open(C,">$git_dir/refs/heads/$dest") and
-               print C ("$cid\n") and
-               close(C)
-                       or die "Cannot write branch $dest for update: $!\n";
-       }
-
-       if ($tag) {
-               $last_rev = "-" if %$changed_paths;
-               # the tag was 'complex', i.e. did not refer to a "real" revision
-
-               $dest =~ tr/_/\./ if $opt_u;
-
-               system('git-tag', '-f', $dest, $cid) == 0
-                       or die "Cannot create tag $dest: $!\n";
-
-               print "Created tag '$dest' on '$branch'\n" if $opt_v;
-       }
-       $branches{$branch}{"LAST"} = $cid;
-       $branches{$branch}{$revision} = $cid;
-       $last_rev = $cid;
-       print BRANCHES "$revision $branch $cid\n";
-       print "DONE: $revision $dest $cid\n" if $opt_v;
-}
-
-sub commit_all {
-       # Recursive use of the SVN connection does not work
-       local $svn = $svn2;
-
-       my ($changed_paths, $revision, $author, $date, $message) = @_;
-       my %p;
-       while(my($path,$action) = each %$changed_paths) {
-               $p{$path} = [ $action->action,$action->copyfrom_path, $action->copyfrom_rev, $path ];
-       }
-       $changed_paths = \%p;
-
-       my %done;
-       my @col;
-       my $pref;
-       my $branch;
-
-       while(my($path,$action) = each %$changed_paths) {
-               ($branch,$path) = split_path($revision,$path);
-               next if not defined $branch;
-               next if not defined $path;
-               $done{$branch}{$path} = $action;
-       }
-       while(($branch,$changed_paths) = each %done) {
-               commit($branch, $changed_paths, $revision, $author, $date, $message);
-       }
-}
-
-$opt_l = $svn->{'maxrev'} if not defined $opt_l or $opt_l > $svn->{'maxrev'};
-
-if ($opt_l < $current_rev) {
-    print "Up to date: no new revisions to fetch!\n" if $opt_v;
-    unlink("$git_dir/SVN2GIT_HEAD");
-    exit;
-}
-
-print "Processing from $current_rev to $opt_l ...\n" if $opt_v;
-
-my $from_rev;
-my $to_rev = $current_rev - 1;
-
-my $subpool = SVN::Pool::new_default_sub;
-while ($to_rev < $opt_l) {
-       $subpool->clear;
-       $from_rev = $to_rev + 1;
-       $to_rev = $from_rev + $repack_after;
-       $to_rev = $opt_l if $opt_l < $to_rev;
-       print "Fetching from $from_rev to $to_rev ...\n" if $opt_v;
-       $svn->{'svn'}->get_log("/",$from_rev,$to_rev,0,1,1,\&commit_all);
-       my $pid = fork();
-       die "Fork: $!\n" unless defined $pid;
-       unless($pid) {
-               exec("git-repack", "-d")
-                       or die "Cannot repack: $!\n";
-       }
-       waitpid($pid, 0);
-}
-
-
-unlink($git_index);
-
-if (defined $orig_git_index) {
-       $ENV{GIT_INDEX_FILE} = $orig_git_index;
-} else {
-       delete $ENV{GIT_INDEX_FILE};
-}
-
-# Now switch back to the branch we were in before all of this happened
-if($orig_branch) {
-       print "DONE\n" if $opt_v and (not defined $opt_l or $opt_l > 0);
-       system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master")
-               if $forward_master;
-       unless ($opt_i) {
-               system('git-read-tree', '-m', '-u', 'SVN2GIT_HEAD', 'HEAD');
-               die "read-tree failed: $?\n" if $?;
-       }
-} else {
-       $orig_branch = "master";
-       print "DONE; creating $orig_branch branch\n" if $opt_v and (not defined $opt_l or $opt_l > 0);
-       system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master")
-               unless -f "$git_dir/refs/heads/master";
-       system('git-update-ref', 'HEAD', "$orig_branch");
-       unless ($opt_i) {
-               system('git checkout');
-               die "checkout failed: $?\n" if $?;
-       }
-}
-unlink("$git_dir/SVN2GIT_HEAD");
-close(BRANCHES);