Merge branch 'maint' into tj/imap-send-remove-unused

* maint: (18123 commits)
  documentation fix: git difftool uses diff tools, not merge tools.
  Git 1.7.7.4
  Makefile: add missing header file dependencies
  notes merge: eliminate OUTPUT macro
  mailmap: xcalloc mailmap_info
  name-rev --all: do not even attempt to describe non-commit object
  Git 1.7.7.3
  docs: Update install-doc-quick
  docs: don't mention --quiet or --exit-code in git-log(1)
  Git 1.7.7.2
  t7511: avoid use of reserved filename on Windows.
  clone: Quote user supplied path in a single quote pair
  read-cache.c: fix index memory allocation
  make the sample pre-commit hook script reject names with newlines, too
  Reindent closing bracket using tab instead of spaces
  Git 1.7.7.1
  RelNotes/1.7.7.1: setgid bit patch is about fixing "git init" via Makefile setting
  gitweb: fix regression when filtering out forks
  Almost ready for 1.7.7.1
  pack-objects: don't traverse objects unnecessarily
  ...

Conflicts:
	imap-send.c

1 files changed, 0 insertions, 896 deletions

diff --git a/git-svnimport.perl b/git-svnimport.perl
deleted file mode 100755
index 639aa4186..000000000
--- a/git-svnimport.perl
+++ /dev/null
@@ -1,896 +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);
-
-sub usage() {
-	print STDERR <<END;
-Usage: ${\basename $0}     # fetch/update GIT from SVN
-       [-o branch-for-HEAD] [-h] [-v] [-l max_rev]
-       [-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] [SVN_URL]
-END
-	exit(1);
-}
-
-getopts("A:b:C:dDhiI:l:mM:o:rs:t:T:uv") or usage();
-usage if $opt_h;
-
-my $tag_name = $opt_t || "tags";
-my $trunk_name = $opt_T || "trunk";
-my $branch_name = $opt_b || "branches";
-
-@ARGV == 1 or @ARGV == 2 or usage();
-
-$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) {
-	@mergerx = ( qr/\W(?:from|of|merge|merging|merged) (\w+)/i );
-}
-if ($opt_M) {
-	push (@mergerx, qr/$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); $|=1; select(STDOUT);
-
-
-package SVNconn;
-# Basic SVN connection.
-# We're only interested in connecting and downloading, so ...
-
-use File::Spec;
-use File::Temp qw(tempfile);
-use POSIX qw(strftime dup2);
-
-sub new {
-	my($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);
-	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);
-	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 = '0755';
-	} else {
-		$mode = '0644';
-	}
-	close ($fh);
-
-	return ($name, $mode);
-}
-
-sub ignore {
-	my($self,$path,$rev) = @_;
-
-	print "... $rev $path ...\n" if $opt_v;
-	my (undef,undef,$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;
-	}
-}
-
-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-db");
-	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 ($branch, $path, $revision) = @_;
-	my $pool=SVN::Pool->new;
-	my $kind = $svn->{'svn'}->check_path(revert_split_path($branch,$path),$revision,$pool);
-	$pool->clear;
-	return $kind;
-}
-
-sub revert_split_path($$) {
-	my($branch,$path) = @_;
-
-	my $svnpath;
-	$path = "" if $path eq "/"; # this should not happen, but ...
-	if($branch eq "/") {
-		$svnpath = "$trunk_name/$path";
-	} elsif($branch =~ m#^/#) {
-		$svnpath = "$tag_name$branch/$path";
-	} else {
-		$svnpath = "$branch_name/$branch/$path";
-	}
-
-	$svnpath =~ s#/+$##;
-	return $svnpath;
-}
-
-sub get_file($$$) {
-	my($rev,$branch,$path) = @_;
-
-	my $svnpath = revert_split_path($branch,$path);
-
-	# now get it
-	my ($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($$$$$) {
-	my($new,$old,$rev,$branch,$path) = @_;
-
-	return unless $opt_I;
-	my $svnpath = revert_split_path($branch,$path);
-	my $name = $svn->ignore("$svnpath",$rev);
-	if ($path eq '/') {
-		$path = $opt_I;
-	} else {
-		$path = File::Spec->catfile($path,$opt_I);
-	}
-	if (defined $name) {
-		my $pid = open(my $F, '-|');
-		die $! unless defined $pid;
-		if (!$pid) {
-			exec("git-hash-object", "-w", $name)
-			    or die "Cannot create object: $!\n";
-		}
-		my $sha = <$F>;
-		chomp $sha;
-		close $F;
-		unlink $name;
-		push(@$new,['0644',$sha,$path]);
-	} else {
-		push(@$old,$path);
-	}
-}
-
-sub split_path($$) {
-	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 ()
-	}
-	$path = "/" if $path eq "";
-	return ($branch,$path);
-}
-
-sub branch_rev($$) {
-
-	my ($srcbranch,$uptorev) = @_;
-
-	my $bbranches = $branches{$srcbranch};
-	my @revs = reverse sort { ($a eq 'LAST' ? 0 : $a) <=> ($b eq 'LAST' ? 0 : $b) } keys %$bbranches;
-	my $therev;
-	foreach my $arev(@revs) {
-		next if  ($arev eq 'LAST');
-		if ($arev <= $uptorev) {
-			$therev = $arev;
-			last;
-		}
-	}
-	return $therev;
-}
-
-sub copy_path($$$$$$$$) {
-	# 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) {
-		print "Path not found when copying from $oldpath @ $rev\n";
-		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, $message) = @_;
-	my($author_name,$author_email,$dest);
-	my(@old,@new,@parents);
-
-	if (not defined $author) {
-		$author_name = $author_email = "unknown";
-	} elsif (defined $users_file) {
-		die "User $author is not listed in $users_file\n"
-		    unless exists $users{$author};
-		($author_name,$author_email) = @{$users{$author}};
-	} elsif ($author =~ /^(.*?)\s+<(.*)>$/) {
-		($author_name, $author_email) = ($1, $2);
-	} else {
-		$author =~ s/^<(.*)>$/$1/;
-		$author_name = $author_email = $author;
-	}
-	$date = pdate($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,$oldpath);
-			if($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 $node_kind = node_kind($branch,$path,$revision);
-				if($action->[1]) {
-					copy_path($revision,$branch,$path,$action->[1],$action->[2],$node_kind,\@new,\@parents);
-				} elsif ($node_kind eq $SVN::Node::file) {
-					my $f = get_file($revision,$branch,$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) {
-					get_ignore(\@new, \@old, $revision,
-						   $branch,$path);
-				}
-			} elsif ($action->[0] eq "D") {
-				push(@old,$path);
-			} elsif ($action->[0] eq "M") {
-				my $node_kind = node_kind($branch,$path,$revision);
-				if ($node_kind eq $SVN::Node::file) {
-					my $f = get_file($revision,$branch,$path);
-					push(@new,$f) if $f;
-				} elsif ($node_kind eq $SVN::Node::dir) {
-					get_ignore(\@new, \@old, $revision,
-						   $branch,$path);
-				}
-			} 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=$author_name",
-				"GIT_COMMITTER_EMAIL=$author_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) {
-		my($in, $out) = ('','');
-		$last_rev = "-" if %$changed_paths;
-		# the tag was 'complex', i.e. did not refer to a "real" revision
-
-		$dest =~ tr/_/\./ if $opt_u;
-		$branch = $dest;
-
-		my $pid = open2($in, $out, 'git-mktag');
-		print $out ("object $cid\n".
-		    "type commit\n".
-		    "tag $dest\n".
-		    "tagger $author_name <$author_email>\n") and
-		close($out)
-		    or die "Cannot create tag object $dest: $!\n";
-
-		my $tagobj = <$in>;
-		chomp $tagobj;
-
-		if ( !close($in) or waitpid($pid, 0) != $pid or
-				$? != 0 or $tagobj !~ /^[0123456789abcdef]{40}$/ ) {
-			die "Cannot create tag object $dest: $!\n";
-		}
-
-		open(C,">$git_dir/refs/tags/$dest") and
-		print C ("$tagobj\n") and
-		close(C)
-			or die "Cannot create tag $branch: $!\n";
-
-		print "Created tag '$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, $pool) = @_;
-	my %p;
-	while(my($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;
-		$done{$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 > $svn->{'maxrev'};
-
-if ($svn->{'maxrev'} < $current_rev) {
-    print "Up to date: no new revisions to fetch!\n" if $opt_v;
-    unlink("$git_dir/SVN2GIT_HEAD");
-    exit;
-}
-
-print "Fetching from $current_rev to $opt_l ...\n" if $opt_v;
-
-my $pool=SVN::Pool->new;
-$svn->{'svn'}->get_log("/",$current_rev,$opt_l,0,1,1,\&commit_all,$pool);
-$pool->clear;
-
-
-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);