Andrew's git - gitweb.git/blob

102fa6e33964794a62861e27b0bc5cb1de72a2b6
   1#!/usr/bin/perl -w
   2
   3# This tool is copyright (c) 2005, Matthias Urlichs.
   4# It is released under the Gnu Public License, version 2.
   5#
   6# The basic idea is to pull and analyze SVN changes.
   7#
   8# Checking out the files is done by a single long-running CVS connection
   9# / server process.
  10#
  11# The head revision is on branch "origin" by default.
  12# You can change that with the '-o' option.
  13
  14require v5.8.0; # for shell-safe open("-|",LIST)
  15use strict;
  16use warnings;
  17use Getopt::Std;
  18use File::Spec;
  19use File::Temp qw(tempfile);
  20use File::Path qw(mkpath);
  21use File::Basename qw(basename dirname);
  22use Time::Local;
  23use IO::Pipe;
  24use POSIX qw(strftime dup2);
  25use IPC::Open2;
  26use SVN::Core;
  27use SVN::Ra;
  28
  29die "Need CVN:COre 1.2.1 or better" if $SVN::Core::VERSION lt "1.2.1";
  30
  31$SIG{'PIPE'}="IGNORE";
  32$ENV{'TZ'}="UTC";
  33
  34our($opt_h,$opt_o,$opt_v,$opt_u,$opt_C,$opt_i,$opt_m,$opt_M,$opt_t,$opt_T,$opt_b,$opt_s,$opt_l);
  35
  36sub usage() {
  37        print STDERR <<END;
  38Usage: ${\basename $0}     # fetch/update GIT from CVS
  39       [-o branch-for-HEAD] [-h] [-v] [-l max_num_changes]
  40       [-C GIT_repository] [-t tagname] [-T trunkname] [-b branchname]
  41       [-i] [-u] [-s start_chg] [-m] [-M regex] [SVN_URL]
  42END
  43        exit(1);
  44}
  45
  46getopts("b:C:hil:mM:o:s:t:T:uv") or usage();
  47usage if $opt_h;
  48
  49my $tag_name = $opt_t || "tags";
  50my $trunk_name = $opt_T || "trunk";
  51my $branch_name = $opt_b || "branches";
  52
  53@ARGV <= 1 or usage();
  54
  55$opt_o ||= "origin";
  56$opt_l = 100 unless defined $opt_l;
  57my $git_tree = $opt_C;
  58$git_tree ||= ".";
  59
  60my $cvs_tree;
  61if ($#ARGV == 0) {
  62        $cvs_tree = $ARGV[0];
  63} elsif (-f 'CVS/Repository') {
  64        open my $f, '<', 'CVS/Repository' or 
  65            die 'Failed to open CVS/Repository';
  66        $cvs_tree = <$f>;
  67        chomp $cvs_tree;
  68        close $f;
  69} else {
  70        usage();
  71}
  72
  73our @mergerx = ();
  74if ($opt_m) {
  75        @mergerx = ( qr/\W(?:from|of|merge|merging|merged) (\w+)/i );
  76}
  77if ($opt_M) {
  78        push (@mergerx, qr/$opt_M/);
  79}
  80
  81select(STDERR); $|=1; select(STDOUT);
  82
  83
  84package SVNconn;
  85# Basic SVN connection.
  86# We're only interested in connecting and downloading, so ...
  87
  88use File::Spec;
  89use File::Temp qw(tempfile);
  90use POSIX qw(strftime dup2);
  91
  92sub new {
  93        my($what,$repo) = @_;
  94        $what=ref($what) if ref($what);
  95
  96        my $self = {};
  97        $self->{'buffer'} = "";
  98        bless($self,$what);
  99
 100        $repo =~ s#/+$##;
 101        $self->{'fullrep'} = $repo;
 102        $self->conn();
 103
 104        return $self;
 105}
 106
 107sub conn {
 108        my $self = shift;
 109        my $repo = $self->{'fullrep'};
 110        my $s = SVN::Ra->new($repo);
 111
 112        die "SVN connection to $repo: $!\n" unless defined $s;
 113        $self->{'svn'} = $s;
 114        $self->{'repo'} = $repo;
 115        $self->{'maxrev'} = $s->get_latest_revnum();
 116}
 117
 118sub file {
 119        my($self,$path,$rev) = @_;
 120        my $res;
 121
 122        my ($fh, $name) = tempfile('gitsvn.XXXXXX', 
 123                    DIR => File::Spec->tmpdir(), UNLINK => 1);
 124
 125        print "... $rev $path ...\n" if $opt_v;
 126        eval { $self->{'svn'}->get_file($path,$rev,$fh); };
 127        if ($@ and $@ !~ /Attempted to get checksum/) {
 128            # retry
 129            $self->conn();
 130                eval { $self->{'svn'}->get_file($path,$rev,$fh); };
 131        };
 132        return () if $@ and $@ !~ /Attempted to get checksum/;
 133        die $@ if $@;
 134        close ($fh);
 135
 136        return ($name, $res);
 137}
 138
 139
 140package main;
 141
 142my $svn = SVNconn->new($cvs_tree);
 143
 144
 145sub pdate($) {
 146        my($d) = @_;
 147        $d =~ m#(\d\d\d\d)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)#
 148                or die "Unparseable date: $d\n";
 149        my $y=$1; $y-=1900 if $y>1900;
 150        return timegm($6||0,$5,$4,$3,$2-1,$y);
 151}
 152
 153sub getwd() {
 154        my $pwd = `pwd`;
 155        chomp $pwd;
 156        return $pwd;
 157}
 158
 159
 160sub get_headref($$) {
 161    my $name    = shift;
 162    my $git_dir = shift; 
 163    my $sha;
 164    
 165    if (open(C,"$git_dir/refs/heads/$name")) {
 166        chomp($sha = <C>);
 167        close(C);
 168        length($sha) == 40
 169            or die "Cannot get head id for $name ($sha): $!\n";
 170    }
 171    return $sha;
 172}
 173
 174
 175-d $git_tree
 176        or mkdir($git_tree,0777)
 177        or die "Could not create $git_tree: $!";
 178chdir($git_tree);
 179
 180my $orig_branch = "";
 181my $forward_master = 0;
 182my %branches;
 183
 184my $git_dir = $ENV{"GIT_DIR"} || ".git";
 185$git_dir = getwd()."/".$git_dir unless $git_dir =~ m#^/#;
 186$ENV{"GIT_DIR"} = $git_dir;
 187my $orig_git_index;
 188$orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE};
 189my ($git_ih, $git_index) = tempfile('gitXXXXXX', SUFFIX => '.idx',
 190                                    DIR => File::Spec->tmpdir());
 191close ($git_ih);
 192$ENV{GIT_INDEX_FILE} = $git_index;
 193my $maxnum = 0;
 194my $last_rev = "";
 195my $last_branch;
 196my $current_rev = $opt_s ? ($opt_s-1) : 0;
 197unless(-d $git_dir) {
 198        system("git-init-db");
 199        die "Cannot init the GIT db at $git_tree: $?\n" if $?;
 200        system("git-read-tree");
 201        die "Cannot init an empty tree: $?\n" if $?;
 202
 203        $last_branch = $opt_o;
 204        $orig_branch = "";
 205} else {
 206        -f "$git_dir/refs/heads/$opt_o"
 207                or die "Branch '$opt_o' does not exist.\n".
 208                       "Either use the correct '-o branch' option,\n".
 209                       "or import to a new repository.\n";
 210
 211        -f "$git_dir/svn2git"
 212                or die "'$git_dir/svn2git' does not exist.\n".
 213                       "You need that file for incremental imports.\n";
 214        $last_branch = basename(readlink("$git_dir/HEAD"));
 215        unless($last_branch) {
 216                warn "Cannot read the last branch name: $! -- assuming 'master'\n";
 217                $last_branch = "master";
 218        }
 219        $orig_branch = $last_branch;
 220        $last_rev = get_headref($orig_branch, $git_dir);
 221        if (-f "$git_dir/SVN2GIT_HEAD") {
 222                die <<EOM;
 223SVN2GIT_HEAD exists.
 224Make sure your working directory corresponds to HEAD and remove SVN2GIT_HEAD.
 225You may need to run
 226
 227    git-read-tree -m -u SVN2GIT_HEAD HEAD
 228EOM
 229        }
 230        system('cp', "$git_dir/HEAD", "$git_dir/SVN2GIT_HEAD");
 231
 232        $forward_master =
 233            $opt_o ne 'master' && -f "$git_dir/refs/heads/master" &&
 234            system('cmp', '-s', "$git_dir/refs/heads/master", 
 235                                "$git_dir/refs/heads/$opt_o") == 0;
 236
 237        # populate index
 238        system('git-read-tree', $last_rev);
 239        die "read-tree failed: $?\n" if $?;
 240
 241        # Get the last import timestamps
 242        open my $B,"<", "$git_dir/svn2git";
 243        while(<$B>) {
 244                chomp;
 245                my($num,$branch,$ref) = split;
 246                $branches{$branch}{$num} = $ref;
 247                $branches{$branch}{"LAST"} = $ref;
 248                $current_rev = $num if $current_rev < $num;
 249        }
 250        close($B);
 251}
 252-d $git_dir
 253        or die "Could not create git subdir ($git_dir).\n";
 254
 255open BRANCHES,">>", "$git_dir/svn2git";
 256
 257
 258## cvsps output:
 259#---------------------
 260#PatchSet 314
 261#Date: 1999/09/18 13:03:59
 262#Author: wkoch
 263#Branch: STABLE-BRANCH-1-0
 264#Ancestor branch: HEAD
 265#Tag: (none)
 266#Log:
 267#    See ChangeLog: Sat Sep 18 13:03:28 CEST 1999  Werner Koch
 268#Members:
 269#       README:1.57->1.57.2.1
 270#       VERSION:1.96->1.96.2.1
 271#
 272#---------------------
 273
 274my $state = 0;
 275
 276sub get_file($$$) {
 277        my($rev,$branch,$path) = @_;
 278
 279        # revert split_path(), below
 280        my $svnpath;
 281        $path = "" if $path eq "/"; # this should not happen, but ...
 282        if($branch eq "/") {
 283                $svnpath = "/$trunk_name/$path";
 284        } elsif($branch =~ m#^/#) {
 285                $svnpath = "/$tag_name$branch/$path";
 286        } else {
 287                $svnpath = "/$branch_name/$branch/$path";
 288        }
 289
 290        # now get it
 291        my ($name, $res) = eval { $svn->file($svnpath,$rev); };
 292        return () unless defined $name;
 293
 294        open my $F, '-|', "git-hash-object", "-w", $name
 295                or die "Cannot create object: $!\n";
 296        my $sha = <$F>;
 297        chomp $sha;
 298        close $F;
 299        unlink $name;
 300        my $mode = "0644"; # SV does not seem to store any file modes
 301        return [$mode, $sha, $path];
 302}
 303
 304sub split_path($$) {
 305        my($rev,$path) = @_;
 306        my $branch;
 307
 308        if($path =~ s#^/\Q$tag_name\E/([^/]+)/?##) {
 309                $branch = "/$1";
 310        } elsif($path =~ s#^/\Q$trunk_name\E/?##) {
 311                $branch = "/";
 312        } elsif($path =~ s#^/\Q$branch_name\E/([^/]+)/?##) {
 313                $branch = $1;
 314        } else {
 315                print STDERR "$rev: Unrecognized path: $path\n";
 316                return ()
 317        }
 318        $path = "/" if $path eq "";
 319        return ($branch,$path);
 320}
 321
 322sub commit {
 323        my($branch, $changed_paths, $revision, $author, $date, $message) = @_;
 324        my($author_name,$author_email,$dest);
 325        my(@old,@new);
 326
 327        if (not defined $author) {
 328                $author_name = $author_email = "unknown";
 329        } elsif ($author =~ /^(.*?)\s+<(.*)>$/) {
 330                ($author_name, $author_email) = ($1, $2);
 331        } else {
 332                $author =~ s/^<(.*)>$/$1/;
 333                $author_name = $author_email = $author;
 334        }
 335        $date = pdate($date);
 336
 337        my $tag;
 338        my $parent;
 339        if($branch eq "/") { # trunk
 340                $parent = $opt_o;
 341        } elsif($branch =~ m#^/(.+)#) { # tag
 342                $tag = 1;
 343                $parent = $1;
 344        } else { # "normal" branch
 345                # nothing to do
 346                $parent = $branch;
 347        }
 348        $dest = $parent;
 349
 350        my $prev = $changed_paths->{"/"};
 351        if($prev and $prev->[0] eq "A") {
 352                delete $changed_paths->{"/"};
 353                my $oldpath = $prev->[1];
 354                my $rev;
 355                if(defined $oldpath) {
 356                        my $p;
 357                        ($parent,$p) = split_path($revision,$oldpath);
 358                        if($parent eq "/") {
 359                                $parent = $opt_o;
 360                        } else {
 361                                $parent =~ s#^/##; # if it's a tag
 362                        }
 363                } else {
 364                        $parent = undef;
 365                }
 366        }
 367
 368        my $rev;
 369        if($revision > $opt_s and defined $parent) {
 370                open(H,"git-rev-parse --verify $parent |");
 371                $rev = <H>;
 372                close(H) or do {
 373                        print STDERR "$revision: cannot find commit '$parent'!\n";
 374                        return;
 375                };
 376                chop $rev;
 377                if(length($rev) != 40) {
 378                        print STDERR "$revision: cannot find commit '$parent'!\n";
 379                        return;
 380                }
 381                $rev = $branches{($parent eq $opt_o) ? "/" : $parent}{"LAST"};
 382                if($revision != $opt_s and not $rev) {
 383                        print STDERR "$revision: do not know ancestor for '$parent'!\n";
 384                        return;
 385                }
 386        } else {
 387                $rev = undef;
 388        }
 389
 390#       if($prev and $prev->[0] eq "A") {
 391#               if(not $tag) {
 392#                       unless(open(H,"> $git_dir/refs/heads/$branch")) {
 393#                               print STDERR "$revision: Could not create branch $branch: $!\n";
 394#                               $state=11;
 395#                               next;
 396#                       }
 397#                       print H "$rev\n"
 398#                               or die "Could not write branch $branch: $!";
 399#                       close(H)
 400#                               or die "Could not write branch $branch: $!";
 401#               }
 402#       }
 403        if(not defined $rev) {
 404                unlink($git_index);
 405        } elsif ($rev ne $last_rev) {
 406                print "Switching from $last_rev to $rev ($branch)\n" if $opt_v;
 407                system("git-read-tree", $rev);
 408                die "read-tree failed for $rev: $?\n" if $?;
 409                $last_rev = $rev;
 410        }
 411
 412        my $cid;
 413        if($tag and not %$changed_paths) {
 414                $cid = $rev;
 415        } else {
 416                while(my($path,$action) = each %$changed_paths) {
 417                        if ($action->[0] eq "A") {
 418                                my $f = get_file($revision,$branch,$path);
 419                                push(@new,$f) if $f;
 420                        } elsif ($action->[0] eq "D") {
 421                                push(@old,$path);
 422                        } elsif ($action->[0] eq "M") {
 423                                my $f = get_file($revision,$branch,$path);
 424                                push(@new,$f) if $f;
 425                        } elsif ($action->[0] eq "R") {
 426                                # refer to a file/tree in an earlier commit
 427                                push(@old,$path); # remove any old stuff
 428
 429                                # ... and add any new stuff
 430                                my($b,$p) = split_path($revision,$action->[1]);
 431                                open my $F,"-|","git-ls-tree","-r","-z", $branches{$b}{$action->[2]}, $p;
 432                                local $/ = '\0';
 433                                while(<$F>) {
 434                                        chomp;
 435                                        my($m,$p) = split(/\t/,$_,2);
 436                                        my($mode,$type,$sha1) = split(/ /,$m);
 437                                        next if $type ne "blob";
 438                                        push(@new,[$mode,$sha1,$p]);
 439                                }
 440                        } else {
 441                                die "$revision: unknown action '".$action->[0]."' for $path\n";
 442                        }
 443                }
 444
 445                if(@old) {
 446                        open my $F, "-|", "git-ls-files", "-z", @old or die $!;
 447                        @old = ();
 448                        local $/ = '\0';
 449                        while(<$F>) {
 450                                chomp;
 451                                push(@old,$_);
 452                        }
 453                        close($F);
 454
 455                        while(@old) {
 456                                my @o2;
 457                                if(@old > 55) {
 458                                        @o2 = splice(@old,0,50);
 459                                } else {
 460                                        @o2 = @old;
 461                                        @old = ();
 462                                }
 463                                system("git-update-index","--force-remove","--",@o2);
 464                                die "Cannot remove files: $?\n" if $?;
 465                        }
 466                }
 467                while(@new) {
 468                        my @n2;
 469                        if(@new > 12) {
 470                                @n2 = splice(@new,0,10);
 471                        } else {
 472                                @n2 = @new;
 473                                @new = ();
 474                        }
 475                        system("git-update-index","--add",
 476                                (map { ('--cacheinfo', @$_) } @n2));
 477                        die "Cannot add files: $?\n" if $?;
 478                }
 479
 480                my $pid = open(C,"-|");
 481                die "Cannot fork: $!" unless defined $pid;
 482                unless($pid) {
 483                        exec("git-write-tree");
 484                        die "Cannot exec git-write-tree: $!\n";
 485                }
 486                chomp(my $tree = <C>);
 487                length($tree) == 40
 488                        or die "Cannot get tree id ($tree): $!\n";
 489                close(C)
 490                        or die "Error running git-write-tree: $?\n";
 491                print "Tree ID $tree\n" if $opt_v;
 492
 493                my $pr = IO::Pipe->new() or die "Cannot open pipe: $!\n";
 494                my $pw = IO::Pipe->new() or die "Cannot open pipe: $!\n";
 495                $pid = fork();
 496                die "Fork: $!\n" unless defined $pid;
 497                unless($pid) {
 498                        $pr->writer();
 499                        $pw->reader();
 500                        open(OUT,">&STDOUT");
 501                        dup2($pw->fileno(),0);
 502                        dup2($pr->fileno(),1);
 503                        $pr->close();
 504                        $pw->close();
 505
 506                        my @par = ();
 507                        @par = ("-p",$rev) if defined $rev;
 508
 509                        # loose detection of merges
 510                        # based on the commit msg
 511                        foreach my $rx (@mergerx) {
 512                                if ($message =~ $rx) {
 513                                        my $mparent = $1;
 514                                        if ($mparent eq 'HEAD') { $mparent = $opt_o };
 515                                        if ( -e "$git_dir/refs/heads/$mparent") {
 516                                                $mparent = get_headref($mparent, $git_dir);
 517                                                push @par, '-p', $mparent;
 518                                                print OUT "Merge parent branch: $mparent\n" if $opt_v;
 519                                        }
 520                                } 
 521                        }
 522
 523                        exec("env",
 524                                "GIT_AUTHOR_NAME=$author_name",
 525                                "GIT_AUTHOR_EMAIL=$author_email",
 526                                "GIT_AUTHOR_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)),
 527                                "GIT_COMMITTER_NAME=$author_name",
 528                                "GIT_COMMITTER_EMAIL=$author_email",
 529                                "GIT_COMMITTER_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)),
 530                                "git-commit-tree", $tree,@par);
 531                        die "Cannot exec git-commit-tree: $!\n";
 532                }
 533                $pw->writer();
 534                $pr->reader();
 535
 536                $message =~ s/[\s\n]+\z//;
 537
 538                print $pw "$message\n"
 539                        or die "Error writing to git-commit-tree: $!\n";
 540                $pw->close();
 541
 542                print "Committed change $revision:$branch ".strftime("%Y-%m-%d %H:%M:%S",gmtime($date)).")\n" if $opt_v;
 543                chomp($cid = <$pr>);
 544                length($cid) == 40
 545                        or die "Cannot get commit id ($cid): $!\n";
 546                print "Commit ID $cid\n" if $opt_v;
 547                $pr->close();
 548
 549                waitpid($pid,0);
 550                die "Error running git-commit-tree: $?\n" if $?;
 551        }
 552
 553        if(not defined $dest) {
 554                print "... no known parent\n" if $opt_v;
 555        } elsif(not $tag) {
 556                print "Writing to refs/heads/$dest\n" if $opt_v;
 557                open(C,">$git_dir/refs/heads/$dest") and 
 558                print C ("$cid\n") and
 559                close(C)
 560                        or die "Cannot write branch $dest for update: $!\n";
 561        }
 562
 563        if($tag) {
 564                my($in, $out) = ('','');
 565                $last_rev = "-" if %$changed_paths;
 566                # the tag was 'complex', i.e. did not refer to a "real" revision
 567                
 568                $dest =~ tr/_/\./ if $opt_u;
 569
 570                my $pid = open2($in, $out, 'git-mktag');
 571                print $out ("object $cid\n".
 572                    "type commit\n".
 573                    "tag $dest\n".
 574                    "tagger $author_name <$author_email>\n") and
 575                close($out)
 576                    or die "Cannot create tag object $dest: $!\n";
 577
 578                my $tagobj = <$in>;
 579                chomp $tagobj;
 580
 581                if ( !close($in) or waitpid($pid, 0) != $pid or
 582                                $? != 0 or $tagobj !~ /^[0123456789abcdef]{40}$/ ) {
 583                        die "Cannot create tag object $dest: $!\n";
 584                }
 585
 586                open(C,">$git_dir/refs/tags/$dest") and
 587                print C ("$tagobj\n") and
 588                close(C)
 589                        or die "Cannot create tag $branch: $!\n";
 590
 591                print "Created tag '$dest' on '$branch'\n" if $opt_v;
 592        }
 593        $branches{$branch}{"LAST"} = $cid;
 594        $branches{$branch}{$revision} = $cid;
 595        $last_rev = $cid;
 596        print BRANCHES "$revision $branch $cid\n";
 597        print "DONE: $revision $dest $cid\n" if $opt_v;
 598}
 599
 600my ($changed_paths, $revision, $author, $date, $message, $pool) = @_;
 601sub _commit_all {
 602        ($changed_paths, $revision, $author, $date, $message, $pool) = @_;
 603        my %p;
 604        while(my($path,$action) = each %$changed_paths) {
 605                $p{$path} = [ $action->action,$action->copyfrom_path, $action->copyfrom_rev ];
 606        }
 607        $changed_paths = \%p;
 608}
 609
 610sub commit_all {
 611        my %done;
 612        my @col;
 613        my $pref;
 614        my $branch;
 615
 616        while(my($path,$action) = each %$changed_paths) {
 617                ($branch,$path) = split_path($revision,$path);
 618                next if not defined $branch;
 619                $done{$branch}{$path} = $action;
 620        }
 621        while(($branch,$changed_paths) = each %done) {
 622                commit($branch, $changed_paths, $revision, $author, $date, $message);
 623        }
 624}
 625
 626while(++$current_rev < $svn->{'maxrev'}) {
 627        $svn->{'svn'}->get_log("/",$current_rev,$current_rev,$current_rev,1,1,\&_commit_all,"");
 628        commit_all();
 629        if($opt_l and not --$opt_l) {
 630                print STDERR "Exiting due to a memory leak. Repeat, please.\n";
 631                last;
 632        }
 633}
 634
 635
 636unlink($git_index);
 637
 638if (defined $orig_git_index) {
 639        $ENV{GIT_INDEX_FILE} = $orig_git_index;
 640} else {
 641        delete $ENV{GIT_INDEX_FILE};
 642}
 643
 644# Now switch back to the branch we were in before all of this happened
 645if($orig_branch) {
 646        print "DONE\n" if $opt_v and (not defined $opt_l or $opt_l > 0);
 647        system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master")
 648                if $forward_master;
 649        unless ($opt_i) {
 650                system('git-read-tree', '-m', '-u', 'SVN2GIT_HEAD', 'HEAD');
 651                die "read-tree failed: $?\n" if $?;
 652        }
 653} else {
 654        $orig_branch = "master";
 655        print "DONE; creating $orig_branch branch\n" if $opt_v and (not defined $opt_l or $opt_l > 0);
 656        system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master")
 657                unless -f "$git_dir/refs/heads/master";
 658        unlink("$git_dir/HEAD");
 659        symlink("refs/heads/$orig_branch","$git_dir/HEAD");
 660        unless ($opt_i) {
 661                system('git checkout');
 662                die "checkout failed: $?\n" if $?;
 663        }
 664}
 665unlink("$git_dir/SVN2GIT_HEAD");
 666close(BRANCHES);