3 # This tool is copyright (c) 2005, Matthias Urlichs.
4 # It is released under the Gnu Public License, version 2.
6 # The basic idea is to aggregate CVS check-ins into related changes.
7 # Fortunately, "cvsps" does that for us; all we have to do is to parse
10 # Checking out the files is done by a single long-running CVS connection
13 # The head revision is on branch "origin" by default.
14 # You can change that with the '-o' option.
20 use File::Temp qw(tempfile tmpnam);
21 use File::Path qw(mkpath);
22 use File::Basename qw(basename dirname);
26 use POSIX qw(strftime dup2 ENOENT);
29 $SIG{'PIPE'}="IGNORE";
32 our ($opt_h,$opt_o,$opt_v,$opt_k,$opt_u,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_P, $opt_s,$opt_m,@opt_M,$opt_A,$opt_S,$opt_L, $opt_a, $opt_r);
33 my (%conv_author_name, %conv_author_email);
37 print(STDERR "Error: $msg\n") if $msg;
39 Usage: git cvsimport # fetch/update GIT from CVS
40 [-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
41 [-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
42 [-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
43 [-r remote] [CVS_module]
48 sub read_author_info($) {
51 open my $f, '<', "$file" or die("Failed to open $file: $!\n");
54 # Expected format is this:
55 # exon=Andreas Ericsson <ae@op5.se>
56 if (m/^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/) {
58 $conv_author_name{$user} = $2;
59 $conv_author_email{$user} = $3;
61 # However, we also read from CVSROOT/users format
63 elsif (/^(\w+):(['"]?)(.+?)\2\s*$/) {
65 ($user, $mapped) = ($1, $3);
66 if ($mapped =~ /^\s*(.*?)\s*<(.*)>\s*$/) {
67 $conv_author_name{$user} = $1;
68 $conv_author_email{$user} = $2;
70 elsif ($mapped =~ /^<?(.*)>?$/) {
71 $conv_author_name{$user} = $user;
72 $conv_author_email{$user} = $1;
75 # NEEDSWORK: Maybe warn on unrecognized lines?
80 sub write_author_info($) {
82 open my $f, '>', $file or
83 die("Failed to open $file for writing: $!");
85 foreach (keys %conv_author_name) {
86 print $f "$_=$conv_author_name{$_} <$conv_author_email{$_}>\n";
91 # convert getopts specs for use by git config
92 sub read_repo_config {
93 # Split the string between characters, unless there is a ':'
94 # So "abc:de" becomes ["a", "b", "c:", "d", "e"]
95 my @opts = split(/ *(?!:)/, shift);
96 foreach my $o (@opts) {
99 my $arg = 'git config';
100 $arg .= ' --bool' if ($o !~ /:$/);
102 chomp(my $tmp = `$arg --get cvsimport.$key`);
103 if ($tmp && !($arg =~ /--bool/ && $tmp eq 'false')) {
105 my $opt_name = "opt_" . $key;
113 my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:";
114 read_repo_config($opts);
115 Getopt::Long::Configure( 'no_ignore_case', 'bundling' );
117 # turn the Getopt::Std specification in a Getopt::Long one,
118 # with support for multiple -M options
119 GetOptions( map { s/:/=s/; /M/ ? "$_\@" : $_ } split( /(?!:)/, $opts ) )
124 chomp(my $module = `git config --get cvsimport.module`);
125 push(@ARGV, $module) if $? == 0;
127 @ARGV <= 1 or usage("You can't specify more than one CVS module");
130 $ENV{"CVSROOT"} = $opt_d;
131 } elsif (-f 'CVS/Root') {
132 open my $f, '<', 'CVS/Root' or die 'Failed to open CVS/Root';
136 $ENV{"CVSROOT"} = $opt_d;
137 } elsif ($ENV{"CVSROOT"}) {
138 $opt_d = $ENV{"CVSROOT"};
140 usage("CVSROOT needs to be set");
145 my $git_tree = $opt_C;
149 if (defined $opt_r) {
150 $remote = 'refs/remotes/' . $opt_r;
154 $remote = 'refs/heads';
159 $cvs_tree = $ARGV[0];
160 } elsif (-f 'CVS/Repository') {
161 open my $f, '<', 'CVS/Repository' or
162 die 'Failed to open CVS/Repository';
167 usage("CVS module has to be specified");
172 @mergerx = ( qr/\b(?:from|of|merge|merging|merged) ([-\w]+)/i );
175 push (@mergerx, map { qr/$_/ } @opt_M);
178 # Remember UTC of our starting time
179 # we'll want to avoid importing commits
180 # that are too recent
181 our $starttime = time();
183 select(STDERR); $|=1; select(STDOUT);
188 # We're only interested in connecting and downloading, so ...
191 use File::Temp qw(tempfile);
192 use POSIX qw(strftime dup2);
195 my ($what,$repo,$subdir) = @_;
196 $what=ref($what) if ref($what);
199 $self->{'buffer'} = "";
203 $self->{'fullrep'} = $repo;
206 $self->{'subdir'} = $subdir;
207 $self->{'lines'} = undef;
214 my $repo = $self->{'fullrep'};
215 if ($repo =~ s/^:pserver(?:([^:]*)):(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?//) {
216 my ($param,$user,$pass,$serv,$port) = ($1,$2,$3,$4,$5);
218 my ($proxyhost,$proxyport);
219 if ($param && ($param =~ m/proxy=([^;]+)/)) {
221 # Default proxyport, if not specified, is 8080.
223 if ($ENV{"CVS_PROXY_PORT"}) {
224 $proxyport = $ENV{"CVS_PROXY_PORT"};
226 if ($param =~ m/proxyport=([^;]+)/) {
232 # if username is not explicit in CVSROOT, then use current user, as cvs would
233 $user=(getlogin() || $ENV{'LOGNAME'} || $ENV{'USER'} || "anonymous") unless $user;
236 $rr2 = ":pserver:$user\@$serv:$repo";
239 my $rr = ":pserver:$user\@$serv:$port$repo";
242 open(H,$ENV{'HOME'}."/.cvspass") and do {
243 # :pserver:cvs@mea.tmt.tele.fi:/cvsroot/zmailer Ah<Z
247 my ($w,$p) = split(/\s/,$_,2);
248 if ($w eq $rr or $w eq $rr2) {
256 $pass = $self->_scramble($pass);
261 # Use a HTTP Proxy. Only works for HTTP proxies that
262 # don't require user authentication
264 # See: http://www.ietf.org/rfc/rfc2817.txt
266 $s = IO::Socket::INET->new(PeerHost => $proxyhost, PeerPort => $proxyport);
267 die "Socket to $proxyhost: $!\n" unless defined $s;
268 $s->write("CONNECT $serv:$port HTTP/1.1\r\nHost: $serv:$port\r\n\r\n")
269 or die "Write to $proxyhost: $!\n";
274 # The answer should look like 'HTTP/1.x 2yy ....'
275 if (!($rep =~ m#^HTTP/1\.. 2[0-9][0-9]#)) {
276 die "Proxy connect: $rep\n";
278 # Skip up to the empty line of the proxy server output
279 # including the response headers.
280 while ($rep = <$s>) {
281 last if (!defined $rep ||
286 $s = IO::Socket::INET->new(PeerHost => $serv, PeerPort => $port);
287 die "Socket to $serv: $!\n" unless defined $s;
290 $s->write("BEGIN AUTH REQUEST\n$repo\n$user\n$pass\nEND AUTH REQUEST\n")
291 or die "Write to $serv: $!\n";
296 if ($rep ne "I LOVE YOU\n") {
297 $rep="<unknown>" unless $rep;
298 die "AuthReply: $rep\n";
300 $self->{'socketo'} = $s;
301 $self->{'socketi'} = $s;
302 } else { # local or ext: Fork off our own cvs server.
303 my $pr = IO::Pipe->new();
304 my $pw = IO::Pipe->new();
306 die "Fork: $!\n" unless defined $pid;
308 $cvs = $ENV{CVS_SERVER} if exists $ENV{CVS_SERVER};
310 $rsh = $ENV{CVS_RSH} if exists $ENV{CVS_RSH};
312 my @cvs = ($cvs, 'server');
313 my ($local, $user, $host);
314 $local = $repo =~ s/:local://;
317 $local = !($repo =~ s/^(?:([^\@:]+)\@)?([^:]+)://);
318 ($user, $host) = ($1, $2);
322 unshift @cvs, $rsh, '-l', $user, $host;
324 unshift @cvs, $rsh, $host;
331 dup2($pw->fileno(),0);
332 dup2($pr->fileno(),1);
339 $self->{'socketo'} = $pw;
340 $self->{'socketi'} = $pr;
342 $self->{'socketo'}->write("Root $repo\n");
344 # Trial and error says that this probably is the minimum set
345 $self->{'socketo'}->write("Valid-responses ok error Valid-requests Mode M Mbinary E Checked-in Created Updated Merged Removed\n");
347 $self->{'socketo'}->write("valid-requests\n");
348 $self->{'socketo'}->flush();
350 chomp(my $rep=$self->readline());
351 if ($rep !~ s/^Valid-requests\s*//) {
352 $rep="<unknown>" unless $rep;
353 die "Expected Valid-requests from server, but got: $rep\n";
355 chomp(my $res=$self->readline());
356 die "validReply: $res\n" if $res ne "ok";
358 $self->{'socketo'}->write("UseUnchanged\n") if $rep =~ /\bUseUnchanged\b/;
359 $self->{'repo'} = $repo;
364 return $self->{'socketi'}->getline();
368 # Request a file with a given revision.
369 # Trial and error says this is a good way to do it. :-/
370 my ($self,$fn,$rev) = @_;
371 $self->{'socketo'}->write("Argument -N\n") or return undef;
372 $self->{'socketo'}->write("Argument -P\n") or return undef;
373 # -kk: Linus' version doesn't use it - defaults to off
375 $self->{'socketo'}->write("Argument -kk\n") or return undef;
377 $self->{'socketo'}->write("Argument -r\n") or return undef;
378 $self->{'socketo'}->write("Argument $rev\n") or return undef;
379 $self->{'socketo'}->write("Argument --\n") or return undef;
380 $self->{'socketo'}->write("Argument $self->{'subdir'}/$fn\n") or return undef;
381 $self->{'socketo'}->write("Directory .\n") or return undef;
382 $self->{'socketo'}->write("$self->{'repo'}\n") or return undef;
383 # $self->{'socketo'}->write("Sticky T1.0\n") or return undef;
384 $self->{'socketo'}->write("co\n") or return undef;
385 $self->{'socketo'}->flush() or return undef;
386 $self->{'lines'} = 0;
390 # Read a line from the server.
391 # ... except that 'line' may be an entire file. ;-)
392 my ($self, $fh) = @_;
393 die "Not in lines" unless defined $self->{'lines'};
397 while (defined($line = $self->readline())) {
398 # M U gnupg-cvs-rep/AUTHORS
399 # Updated gnupg-cvs-rep/
400 # /daten/src/rsync/gnupg-cvs-rep/AUTHORS
401 # /AUTHORS/1.1///T1.1
406 if ($line =~ s/^(?:Created|Updated) //) {
407 $line = $self->readline(); # path
408 $line = $self->readline(); # Entries line
409 my $mode = $self->readline(); chomp $mode;
410 $self->{'mode'} = $mode;
411 defined (my $cnt = $self->readline())
412 or die "EOF from server after 'Changed'\n";
414 die "Duh: Filesize $cnt" if $cnt !~ /^\d+$/;
416 $res = $self->_fetchfile($fh, $cnt);
417 } elsif ($line =~ s/^ //) {
419 $res += length($line);
420 } elsif ($line =~ /^M\b/) {
422 } elsif ($line =~ /^Mbinary\b/) {
424 die "EOF from server after 'Mbinary'" unless defined ($cnt = $self->readline());
426 die "Duh: Mbinary $cnt" if $cnt !~ /^\d+$/ or $cnt<1;
428 $res += $self->_fetchfile($fh, $cnt);
432 # print STDERR "S: ok (".length($res).")\n";
434 } elsif ($line =~ s/^E //) {
435 # print STDERR "S: $line\n";
436 } elsif ($line =~ /^(Remove-entry|Removed) /i) {
437 $line = $self->readline(); # filename
438 $line = $self->readline(); # OK
440 die "Unknown: $line" if $line ne "ok";
443 die "Unknown: $line\n";
450 my ($self,$fn,$rev) = @_;
453 my ($fh, $name) = tempfile('gitcvs.XXXXXX',
454 DIR => File::Spec->tmpdir(), UNLINK => 1);
456 $self->_file($fn,$rev) and $res = $self->_line($fh);
459 print STDERR "Server has gone away while fetching $fn $rev, retrying...\n";
462 $self->_file($fn,$rev) or die "No file command send";
463 $res = $self->_line($fh);
464 die "Retry failed" unless defined $res;
468 return ($name, $res);
471 my ($self, $fh, $cnt) = @_;
473 my $bufsize = 1024 * 1024;
475 if ($bufsize > $cnt) {
479 my $num = $self->{'socketi'}->read($buf,$bufsize);
480 die "Server: Filesize $cnt: $num: $!\n" if not defined $num or $num<=0;
489 my ($self, $pass) = @_;
492 return $scrambled unless $pass;
494 my $pass_len = length($pass);
495 my @pass_arr = split("", $pass);
498 # from cvs/src/scramble.c
500 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
501 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
502 114,120, 53, 79, 96,109, 72,108, 70, 64, 76, 67,116, 74, 68, 87,
503 111, 52, 75,119, 49, 34, 82, 81, 95, 65,112, 86,118,110,122,105,
504 41, 57, 83, 43, 46,102, 40, 89, 38,103, 45, 50, 42,123, 91, 35,
505 125, 55, 54, 66,124,126, 59, 47, 92, 71,115, 78, 88,107,106, 56,
506 36,121,117,104,101,100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48,
507 58,113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85,223,
508 225,216,187,166,229,189,222,188,141,249,148,200,184,136,248,190,
509 199,170,181,204,138,232,218,183,255,234,220,247,213,203,226,193,
510 174,172,228,252,217,201,131,230,197,211,145,238,161,179,160,212,
511 207,221,254,173,202,146,224,151,140,196,205,130,135,133,143,246,
512 192,159,244,239,185,168,215,144,139,165,180,157,147,186,214,176,
513 227,231,219,169,175,156,206,198,129,164,150,210,154,177,134,127,
514 182,128,158,208,162,132,167,209,149,241,153,251,237,236,171,195,
515 243,233,253,240,194,250,191,155,142,137,245,235,163,242,178,152
518 for ($i = 0; $i < $pass_len; $i++) {
519 $scrambled .= pack("C", $shifts[ord($pass_arr[$i])]);
527 my $cvs = CVSconn->new($opt_d, $cvs_tree);
532 m#(\d{2,4})/(\d\d)/(\d\d)\s(\d\d):(\d\d)(?::(\d\d))?#
533 or die "Unparseable date: $d\n";
534 my $y=$1; $y-=1900 if $y>1900;
535 return timegm($6||0,$5,$4,$3,$2-1,$y);
543 for my $x(split(//,$mode)) {
548 } elsif ($x eq "u") { $um |= 0700;
549 } elsif ($x eq "g") { $um |= 0070;
550 } elsif ($x eq "o") { $um |= 0007;
551 } elsif ($x eq "r") { $mm |= 0444;
552 } elsif ($x eq "w") { $mm |= 0222;
553 } elsif ($x eq "x") { $mm |= 0111;
554 } elsif ($x eq "=") { # do nothing
555 } else { die "Unknown mode: $mode\n";
570 return $s =~ /^[a-f0-9]{40}$/;
573 sub get_headref ($) {
575 my $r = `git rev-parse --verify '$name' 2>/dev/null`;
576 return undef unless $? == 0;
582 or mkdir($git_tree,0777)
583 or die "Could not create $git_tree: $!";
586 my $last_branch = "";
587 my $orig_branch = "";
589 my $tip_at_start = undef;
591 my $git_dir = $ENV{"GIT_DIR"} || ".git";
592 $git_dir = getwd()."/".$git_dir unless $git_dir =~ m#^/#;
593 $ENV{"GIT_DIR"} = $git_dir;
595 $orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE};
597 my %index; # holds filenames of one index per branch
599 unless (-d $git_dir) {
601 die "Cannot init the GIT db at $git_tree: $?\n" if $?;
602 system("git-read-tree");
603 die "Cannot init an empty tree: $?\n" if $?;
605 $last_branch = $opt_o;
608 open(F, "git-symbolic-ref HEAD |") or
609 die "Cannot run git-symbolic-ref: $!\n";
610 chomp ($last_branch = <F>);
611 $last_branch = basename($last_branch);
613 unless ($last_branch) {
614 warn "Cannot read the last branch name: $! -- assuming 'master'\n";
615 $last_branch = "master";
617 $orig_branch = $last_branch;
618 $tip_at_start = `git-rev-parse --verify HEAD`;
620 # Get the last import timestamps
621 my $fmt = '($ref, $author) = (%(refname), %(author));';
622 open(H, "git-for-each-ref --perl --format='$fmt' $remote |") or
623 die "Cannot run git-for-each-ref: $!\n";
624 while (defined(my $entry = <H>)) {
626 eval($entry) || die "cannot eval refs list: $@";
627 my ($head) = ($ref =~ m|^$remote/(.*)|);
628 $author =~ /^.*\s(\d+)\s[-+]\d{4}$/;
629 $branch_date{$head} = $1;
632 if (!exists $branch_date{$opt_o}) {
633 die "Branch '$opt_o' does not exist.\n".
634 "Either use the correct '-o branch' option,\n".
635 "or import to a new repository.\n";
640 or die "Could not create git subdir ($git_dir).\n";
642 # now we read (and possibly save) author-info as well
643 -f "$git_dir/cvs-authors" and
644 read_author_info("$git_dir/cvs-authors");
646 read_author_info($opt_A);
647 write_author_info("$git_dir/cvs-authors");
652 # run cvsps into a file unless we are getting
653 # it passed as a file via $opt_P
657 print "Running cvsps...\n" if $opt_v;
658 my $pid = open(CVSPS,"-|");
660 die "Cannot fork: $!\n" unless defined $pid;
663 @opt = split(/,/,$opt_p) if defined $opt_p;
664 unshift @opt, '-z', $opt_z if defined $opt_z;
665 unshift @opt, '-q' unless defined $opt_v;
666 unless (defined($opt_p) && $opt_p =~ m/--no-cvs-direct/) {
667 push @opt, '--cvs-direct';
669 exec("cvsps","--norc",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);
670 die "Could not start cvsps: $!\n";
672 ($cvspsfh, $cvspsfile) = tempfile('gitXXXXXX', SUFFIX => '.cvsps',
673 DIR => File::Spec->tmpdir());
678 $? == 0 or die "git-cvsimport: fatal: cvsps reported error\n";
684 open(CVS, "<$cvspsfile") or die $!;
687 #---------------------
689 #Date: 1999/09/18 13:03:59
691 #Branch: STABLE-BRANCH-1-0
692 #Ancestor branch: HEAD
695 # See ChangeLog: Sat Sep 18 13:03:28 CEST 1999 Werner Koch
697 # README:1.57->1.57.2.1
698 # VERSION:1.96->1.96.2.1
700 #---------------------
704 sub update_index (\@\@) {
707 open(my $fh, '|-', qw(git-update-index -z --index-info))
708 or die "unable to open git-update-index: $!";
710 (map { "0 0000000000000000000000000000000000000000\t$_\0" }
712 (map { '100' . sprintf('%o', $_->[0]) . " $_->[1]\t$_->[2]\0" }
714 or die "unable to write to git-update-index: $!";
716 or die "unable to write to git-update-index: $!";
717 $? and die "git-update-index reported error: $?";
721 open(my $fh, '-|', qw(git-write-tree))
722 or die "unable to open git-write-tree: $!";
723 chomp(my $tree = <$fh>);
725 or die "Cannot get tree id ($tree): $!";
727 or die "Error running git-write-tree: $?\n";
728 print "Tree ID $tree\n" if $opt_v;
732 my ($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
733 my (@old,@new,@skipped,%ignorebranch);
735 # commits that cvsps cannot place anywhere...
736 $ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
739 if ($branch eq $opt_o && !$index{branch} &&
740 !get_headref("$remote/$branch")) {
741 # looks like an initial commit
742 # use the index primed by git-init
743 $ENV{GIT_INDEX_FILE} = "$git_dir/index";
744 $index{$branch} = "$git_dir/index";
746 # use an index per branch to speed up
747 # imports of projects with many branches
748 unless ($index{$branch}) {
749 $index{$branch} = tmpnam();
750 $ENV{GIT_INDEX_FILE} = $index{$branch};
752 system("git-read-tree", "$remote/$ancestor");
754 system("git-read-tree", "$remote/$branch");
756 die "read-tree failed: $?\n" if $?;
759 $ENV{GIT_INDEX_FILE} = $index{$branch};
761 update_index(@old, @new);
763 my $tree = write_tree();
764 my $parent = get_headref("$remote/$last_branch");
765 print "Parent ID " . ($parent ? $parent : "(empty)") . "\n" if $opt_v;
768 push @commit_args, ("-p", $parent) if $parent;
770 # loose detection of merges
771 # based on the commit msg
772 foreach my $rx (@mergerx) {
773 next unless $logmsg =~ $rx && $1;
774 my $mparent = $1 eq 'HEAD' ? $opt_o : $1;
775 if (my $sha1 = get_headref("$remote/$mparent")) {
776 push @commit_args, '-p', "$remote/$mparent";
777 print "Merge parent branch: $mparent\n" if $opt_v;
781 my $commit_date = strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date));
782 $ENV{GIT_AUTHOR_NAME} = $author_name;
783 $ENV{GIT_AUTHOR_EMAIL} = $author_email;
784 $ENV{GIT_AUTHOR_DATE} = $commit_date;
785 $ENV{GIT_COMMITTER_NAME} = $author_name;
786 $ENV{GIT_COMMITTER_EMAIL} = $author_email;
787 $ENV{GIT_COMMITTER_DATE} = $commit_date;
788 my $pid = open2(my $commit_read, my $commit_write,
789 'git-commit-tree', $tree, @commit_args);
791 # compatibility with git2cvs
792 substr($logmsg,32767) = "" if length($logmsg) > 32767;
793 $logmsg =~ s/[\s\n]+\z//;
796 $logmsg .= "\n\n\nSKIPPED:\n\t";
797 $logmsg .= join("\n\t", @skipped) . "\n";
801 print($commit_write "$logmsg\n") && close($commit_write)
802 or die "Error writing to git-commit-tree: $!\n";
804 print "Committed patch $patchset ($branch $commit_date)\n" if $opt_v;
805 chomp(my $cid = <$commit_read>);
806 is_sha1($cid) or die "Cannot get commit id ($cid): $!\n";
807 print "Commit ID $cid\n" if $opt_v;
811 die "Error running git-commit-tree: $?\n" if $?;
813 system('git-update-ref', "$remote/$branch", $cid) == 0
814 or die "Cannot write branch $branch for update: $!\n";
818 $xtag =~ s/\s+\*\*.*$//; # Remove stuff like ** INVALID ** and ** FUNKY **
819 $xtag =~ tr/_/\./ if ( $opt_u );
820 $xtag =~ s/[\/]/$opt_s/g;
823 system('git-tag', '-f', $xtag, $cid) == 0
824 or die "Cannot create tag $xtag: $!\n";
826 print "Created tag '$xtag' on '$branch'\n" if $opt_v;
833 if ($state == 0 and /^-+$/) {
835 } elsif ($state == 0) {
838 } elsif (($state==0 or $state==1) and s/^PatchSet\s+//) {
841 } elsif ($state == 2 and s/^Date:\s+//) {
844 print STDERR "Could not parse date: $_\n";
849 } elsif ($state == 3 and s/^Author:\s+//) {
851 if (/^(.*?)\s+<(.*)>/) {
852 ($author_name, $author_email) = ($1, $2);
853 } elsif ($conv_author_name{$_}) {
854 $author_name = $conv_author_name{$_};
855 $author_email = $conv_author_email{$_};
857 $author_name = $author_email = $_;
860 } elsif ($state == 4 and s/^Branch:\s+//) {
862 tr/_/\./ if ( $opt_u );
866 } elsif ($state == 5 and s/^Ancestor branch:\s+//) {
869 $ancestor = $opt_o if $ancestor eq "HEAD";
871 } elsif ($state == 5) {
875 } elsif ($state == 6 and s/^Tag:\s+//) {
877 if ($_ eq "(none)") {
883 } elsif ($state == 7 and /^Log:/) {
886 } elsif ($state == 8 and /^Members:/) {
887 $branch = $opt_o if $branch eq "HEAD";
888 if (defined $branch_date{$branch} and $branch_date{$branch} >= $date) {
890 print "skip patchset $patchset: $date before $branch_date{$branch}\n" if $opt_v;
894 if (!$opt_a && $starttime - 300 - (defined $opt_z ? $opt_z : 300) <= $date) {
895 # skip if the commit is too recent
896 # given that the cvsps default fuzz is 300s, we give ourselves another
897 # 300s just in case -- this also prevents skipping commits
898 # due to server clock drift
899 print "skip patchset $patchset: $date too recent\n" if $opt_v;
903 if (exists $ignorebranch{$branch}) {
904 print STDERR "Skipping $branch\n";
909 if ($ancestor eq $branch) {
910 print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
913 if (defined get_headref("$remote/$branch")) {
914 print STDERR "Branch $branch already exists!\n";
918 my $id = get_headref("$remote/$ancestor");
920 print STDERR "Branch $ancestor does not exist!\n";
921 $ignorebranch{$branch} = 1;
926 system(qw(git update-ref -m cvsimport),
927 "$remote/$branch", $id);
929 print STDERR "Could not create branch $branch\n";
930 $ignorebranch{$branch} = 1;
935 $last_branch = $branch if $branch ne $last_branch;
937 } elsif ($state == 8) {
939 } elsif ($state == 9 and /^\s+(.+?):(INITIAL|\d+(?:\.\d+)+)->(\d+(?:\.\d+)+)\s*$/) {
940 # VERSION:1.96->1.96.2.1
941 my $init = ($2 eq "INITIAL");
945 if ($opt_S && $fn =~ m/$opt_S/) {
946 print "SKIPPING $fn v $rev\n";
950 print "Fetching $fn v $rev\n" if $opt_v;
951 my ($tmpname, $size) = $cvs->file($fn,$rev);
954 print "Drop $fn\n" if $opt_v;
956 print "".($init ? "New" : "Update")." $fn: $size bytes\n" if $opt_v;
957 my $pid = open(my $F, '-|');
958 die $! unless defined $pid;
960 exec("git-hash-object", "-w", $tmpname)
961 or die "Cannot create object: $!\n";
966 my $mode = pmode($cvs->{'mode'});
967 push(@new,[$mode, $sha, $fn]); # may be resurrected!
970 } elsif ($state == 9 and /^\s+(.+?):\d+(?:\.\d+)+->(\d+(?:\.\d+)+)\(DEAD\)\s*$/) {
974 print "Delete $fn\n" if $opt_v;
975 } elsif ($state == 9 and /^\s*$/) {
977 } elsif (($state == 9 or $state == 10) and /^-+$/) {
979 if ($opt_L && $commitcount > $opt_L) {
983 if (($commitcount & 1023) == 0) {
984 system("git repack -a -d");
987 } elsif ($state == 11 and /^-+$/) {
989 } elsif (/^-+$/) { # end of unknown-line processing
991 } elsif ($state != 11) { # ignore stuff when skipping
992 print STDERR "* UNKNOWN LINE * $_\n";
995 commit() if $branch and $state != 11;
1001 # The heuristic of repacking every 1024 commits can leave a
1002 # lot of unpacked data. If there is more than 1MB worth of
1003 # not-packed objects, repack once more.
1004 my $line = `git-count-objects`;
1005 if ($line =~ /^(\d+) objects, (\d+) kilobytes$/) {
1006 my ($n_objects, $kb) = ($1, $2);
1008 and system("git repack -a -d");
1011 foreach my $git_index (values %index) {
1012 if ($git_index ne "$git_dir/index") {
1017 if (defined $orig_git_index) {
1018 $ENV{GIT_INDEX_FILE} = $orig_git_index;
1020 delete $ENV{GIT_INDEX_FILE};
1023 # Now switch back to the branch we were in before all of this happened
1025 print "DONE.\n" if $opt_v;
1029 my $tip_at_end = `git-rev-parse --verify HEAD`;
1030 if ($tip_at_start ne $tip_at_end) {
1031 for ($tip_at_start, $tip_at_end) { chomp; }
1032 print "Fetched into the current branch.\n" if $opt_v;
1033 system(qw(git-read-tree -u -m),
1034 $tip_at_start, $tip_at_end);
1035 die "Fast-forward update failed: $?\n" if $?;
1038 system(qw(git-merge cvsimport HEAD), "$remote/$opt_o");
1039 die "Could not merge $opt_o into the current branch.\n" if $?;
1042 $orig_branch = "master";
1043 print "DONE; creating $orig_branch branch\n" if $opt_v;
1044 system("git-update-ref", "refs/heads/master", "$remote/$opt_o")
1045 unless defined get_headref('refs/heads/master');
1046 system("git-symbolic-ref", "$remote/HEAD", "$remote/$opt_o")
1047 if ($opt_r && $opt_o ne 'HEAD');
1048 system('git-update-ref', 'HEAD', "$orig_branch");
1050 system('git checkout -f');
1051 die "checkout failed: $?\n" if $?;