]>
git.ipfire.org Git - thirdparty/git.git/blob - git-cvsimport.perl
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);
33 my (%conv_author_name, %conv_author_email);
37 Usage: ${\basename $0} # fetch/update GIT from CVS
38 [-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
39 [-p opts-for-cvsps] [-C GIT_repository] [-z fuzz] [-i] [-k] [-u]
40 [-s subst] [-m] [-M regex] [-S regex] [CVS_module]
45 sub read_author_info
($) {
48 open my $f, '<', "$file" or die("Failed to open $file: $!\n");
51 # Expected format is this:
52 # exon=Andreas Ericsson <ae@op5.se>
53 if (m/^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/) {
55 $conv_author_name{$user} = $2;
56 $conv_author_email{$user} = $3;
58 # However, we also read from CVSROOT/users format
60 elsif (/^(\w+):(['"]?)(.+?)\2\s*$/) {
62 ($user, $mapped) = ($1, $3);
63 if ($mapped =~ /^\s*(.*?)\s*<(.*)>\s*$/) {
64 $conv_author_name{$user} = $1;
65 $conv_author_email{$user} = $2;
67 elsif ($mapped =~ /^<?(.*)>?$/) {
68 $conv_author_name{$user} = $user;
69 $conv_author_email{$user} = $1;
72 # NEEDSWORK: Maybe warn on unrecognized lines?
77 sub write_author_info
($) {
79 open my $f, '>', $file or
80 die("Failed to open $file for writing: $!");
82 foreach (keys %conv_author_name) {
83 print $f "$_=$conv_author_name{$_} <$conv_author_email{$_}>\n";
88 getopts
("hivmkuo:d:p:C:z:s:M:P:A:S:L:") or usage
();
91 @ARGV <= 1 or usage
();
94 $ENV{"CVSROOT"} = $opt_d;
95 } elsif (-f
'CVS/Root') {
96 open my $f, '<', 'CVS/Root' or die 'Failed to open CVS/Root';
100 $ENV{"CVSROOT"} = $opt_d;
101 } elsif ($ENV{"CVSROOT"}) {
102 $opt_d = $ENV{"CVSROOT"};
104 die "CVSROOT needs to be set";
108 my $git_tree = $opt_C;
113 $cvs_tree = $ARGV[0];
114 } elsif (-f
'CVS/Repository') {
115 open my $f, '<', 'CVS/Repository' or
116 die 'Failed to open CVS/Repository';
126 @mergerx = ( qr/\W(?:from|of|merge|merging|merged) (\w+)/i );
129 push (@mergerx, qr/$opt_M/);
132 # Remember UTC of our starting time
133 # we'll want to avoid importing commits
134 # that are too recent
135 our $starttime = time();
137 select(STDERR
); $|=1; select(STDOUT
);
142 # We're only interested in connecting and downloading, so ...
145 use File
::Temp
qw(tempfile);
146 use POSIX
qw(strftime dup2);
149 my ($what,$repo,$subdir) = @_;
150 $what=ref($what) if ref($what);
153 $self->{'buffer'} = "";
157 $self->{'fullrep'} = $repo;
160 $self->{'subdir'} = $subdir;
161 $self->{'lines'} = undef;
168 my $repo = $self->{'fullrep'};
169 if ($repo =~ s/^:pserver(?:([^:]*)):(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?//) {
170 my ($param,$user,$pass,$serv,$port) = ($1,$2,$3,$4,$5);
172 my ($proxyhost,$proxyport);
173 if ($param && ($param =~ m/proxy=([^;]+)/)) {
175 # Default proxyport, if not specified, is 8080.
177 if ($ENV{"CVS_PROXY_PORT"}) {
178 $proxyport = $ENV{"CVS_PROXY_PORT"};
180 if ($param =~ m/proxyport=([^;]+)/) {
185 $user="anonymous" unless defined $user;
188 $rr2 = ":pserver:$user\@$serv:$repo";
191 my $rr = ":pserver:$user\@$serv:$port$repo";
194 open(H
,$ENV{'HOME'}."/.cvspass") and do {
195 # :pserver:cvs@mea.tmt.tele.fi:/cvsroot/zmailer Ah<Z
199 my ($w,$p) = split(/\s/,$_,2);
200 if ($w eq $rr or $w eq $rr2) {
207 $pass="A" unless $pass;
212 # Use a HTTP Proxy. Only works for HTTP proxies that
213 # don't require user authentication
215 # See: http://www.ietf.org/rfc/rfc2817.txt
217 $s = IO
::Socket
::INET
->new(PeerHost
=> $proxyhost, PeerPort
=> $proxyport);
218 die "Socket to $proxyhost: $!\n" unless defined $s;
219 $s->write("CONNECT $serv:$port HTTP/1.1\r\nHost: $serv:$port\r\n\r\n")
220 or die "Write to $proxyhost: $!\n";
225 # The answer should look like 'HTTP/1.x 2yy ....'
226 if (!($rep =~ m
#^HTTP/1\.. 2[0-9][0-9]#)) {
227 die "Proxy connect: $rep\n";
229 # Skip up to the empty line of the proxy server output
230 # including the response headers.
231 while ($rep = <$s>) {
232 last if (!defined $rep ||
237 $s = IO
::Socket
::INET
->new(PeerHost
=> $serv, PeerPort
=> $port);
238 die "Socket to $serv: $!\n" unless defined $s;
241 $s->write("BEGIN AUTH REQUEST\n$repo\n$user\n$pass\nEND AUTH REQUEST\n")
242 or die "Write to $serv: $!\n";
247 if ($rep ne "I LOVE YOU\n") {
248 $rep="<unknown>" unless $rep;
249 die "AuthReply: $rep\n";
251 $self->{'socketo'} = $s;
252 $self->{'socketi'} = $s;
253 } else { # local or ext: Fork off our own cvs server.
254 my $pr = IO
::Pipe
->new();
255 my $pw = IO
::Pipe
->new();
257 die "Fork: $!\n" unless defined $pid;
259 $cvs = $ENV{CVS_SERVER
} if exists $ENV{CVS_SERVER
};
261 $rsh = $ENV{CVS_RSH
} if exists $ENV{CVS_RSH
};
263 my @cvs = ($cvs, 'server');
264 my ($local, $user, $host);
265 $local = $repo =~ s/:local://;
268 $local = !($repo =~ s/^(?:([^\@:]+)\@)?([^:]+)://);
269 ($user, $host) = ($1, $2);
273 unshift @cvs, $rsh, '-l', $user, $host;
275 unshift @cvs, $rsh, $host;
282 dup2
($pw->fileno(),0);
283 dup2
($pr->fileno(),1);
290 $self->{'socketo'} = $pw;
291 $self->{'socketi'} = $pr;
293 $self->{'socketo'}->write("Root $repo\n");
295 # Trial and error says that this probably is the minimum set
296 $self->{'socketo'}->write("Valid-responses ok error Valid-requests Mode M Mbinary E Checked-in Created Updated Merged Removed\n");
298 $self->{'socketo'}->write("valid-requests\n");
299 $self->{'socketo'}->flush();
301 chomp(my $rep=$self->readline());
302 if ($rep !~ s/^Valid-requests\s*//) {
303 $rep="<unknown>" unless $rep;
304 die "Expected Valid-requests from server, but got: $rep\n";
306 chomp(my $res=$self->readline());
307 die "validReply: $res\n" if $res ne "ok";
309 $self->{'socketo'}->write("UseUnchanged\n") if $rep =~ /\bUseUnchanged\b/;
310 $self->{'repo'} = $repo;
315 return $self->{'socketi'}->getline();
319 # Request a file with a given revision.
320 # Trial and error says this is a good way to do it. :-/
321 my ($self,$fn,$rev) = @_;
322 $self->{'socketo'}->write("Argument -N\n") or return undef;
323 $self->{'socketo'}->write("Argument -P\n") or return undef;
324 # -kk: Linus' version doesn't use it - defaults to off
326 $self->{'socketo'}->write("Argument -kk\n") or return undef;
328 $self->{'socketo'}->write("Argument -r\n") or return undef;
329 $self->{'socketo'}->write("Argument $rev\n") or return undef;
330 $self->{'socketo'}->write("Argument --\n") or return undef;
331 $self->{'socketo'}->write("Argument $self->{'subdir'}/$fn\n") or return undef;
332 $self->{'socketo'}->write("Directory .\n") or return undef;
333 $self->{'socketo'}->write("$self->{'repo'}\n") or return undef;
334 # $self->{'socketo'}->write("Sticky T1.0\n") or return undef;
335 $self->{'socketo'}->write("co\n") or return undef;
336 $self->{'socketo'}->flush() or return undef;
337 $self->{'lines'} = 0;
341 # Read a line from the server.
342 # ... except that 'line' may be an entire file. ;-)
343 my ($self, $fh) = @_;
344 die "Not in lines" unless defined $self->{'lines'};
348 while (defined($line = $self->readline())) {
349 # M U gnupg-cvs-rep/AUTHORS
350 # Updated gnupg-cvs-rep/
351 # /daten/src/rsync/gnupg-cvs-rep/AUTHORS
352 # /AUTHORS/1.1///T1.1
357 if ($line =~ s/^(?:Created|Updated) //) {
358 $line = $self->readline(); # path
359 $line = $self->readline(); # Entries line
360 my $mode = $self->readline(); chomp $mode;
361 $self->{'mode'} = $mode;
362 defined (my $cnt = $self->readline())
363 or die "EOF from server after 'Changed'\n";
365 die "Duh: Filesize $cnt" if $cnt !~ /^\d+$/;
367 $res = $self->_fetchfile($fh, $cnt);
368 } elsif ($line =~ s/^ //) {
370 $res += length($line);
371 } elsif ($line =~ /^M\b/) {
373 } elsif ($line =~ /^Mbinary\b/) {
375 die "EOF from server after 'Mbinary'" unless defined ($cnt = $self->readline());
377 die "Duh: Mbinary $cnt" if $cnt !~ /^\d+$/ or $cnt<1;
379 $res += $self->_fetchfile($fh, $cnt);
383 # print STDERR "S: ok (".length($res).")\n";
385 } elsif ($line =~ s/^E //) {
386 # print STDERR "S: $line\n";
387 } elsif ($line =~ /^(Remove-entry|Removed) /i) {
388 $line = $self->readline(); # filename
389 $line = $self->readline(); # OK
391 die "Unknown: $line" if $line ne "ok";
394 die "Unknown: $line\n";
401 my ($self,$fn,$rev) = @_;
404 my ($fh, $name) = tempfile
('gitcvs.XXXXXX',
405 DIR
=> File
::Spec
->tmpdir(), UNLINK
=> 1);
407 $self->_file($fn,$rev) and $res = $self->_line($fh);
410 print STDERR
"Server has gone away while fetching $fn $rev, retrying...\n";
413 $self->_file($fn,$rev) or die "No file command send";
414 $res = $self->_line($fh);
415 die "Retry failed" unless defined $res;
419 return ($name, $res);
422 my ($self, $fh, $cnt) = @_;
424 my $bufsize = 1024 * 1024;
426 if ($bufsize > $cnt) {
430 my $num = $self->{'socketi'}->read($buf,$bufsize);
431 die "Server: Filesize $cnt: $num: $!\n" if not defined $num or $num<=0;
442 my $cvs = CVSconn
->new($opt_d, $cvs_tree);
447 m
#(\d{2,4})/(\d\d)/(\d\d)\s(\d\d):(\d\d)(?::(\d\d))?#
448 or die "Unparseable date: $d\n";
449 my $y=$1; $y-=1900 if $y>1900;
450 return timegm
($6||0,$5,$4,$3,$2-1,$y);
458 for my $x(split(//,$mode)) {
463 } elsif ($x eq "u") { $um |= 0700;
464 } elsif ($x eq "g") { $um |= 0070;
465 } elsif ($x eq "o") { $um |= 0007;
466 } elsif ($x eq "r") { $mm |= 0444;
467 } elsif ($x eq "w") { $mm |= 0222;
468 } elsif ($x eq "x") { $mm |= 0111;
469 } elsif ($x eq "=") { # do nothing
470 } else { die "Unknown mode: $mode\n";
485 return $s =~ /^[a-f0-9]{40}$/;
488 sub get_headref
($$) {
492 my $f = "$git_dir/refs/heads/$name";
493 if (open(my $fh, $f)) {
494 chomp(my $r = <$fh>);
495 is_sha1
($r) or die "Cannot get head id for $name ($r): $!";
498 die "unable to open $f: $!" unless $! == POSIX
::ENOENT
;
503 or mkdir($git_tree,0777)
504 or die "Could not create $git_tree: $!";
507 my $last_branch = "";
508 my $orig_branch = "";
510 my $tip_at_start = undef;
512 my $git_dir = $ENV{"GIT_DIR"} || ".git";
513 $git_dir = getwd
()."/".$git_dir unless $git_dir =~ m
#^/#;
514 $ENV{"GIT_DIR"} = $git_dir;
516 $orig_git_index = $ENV{GIT_INDEX_FILE
} if exists $ENV{GIT_INDEX_FILE
};
518 my %index; # holds filenames of one index per branch
520 unless (-d
$git_dir) {
521 system("git-init-db");
522 die "Cannot init the GIT db at $git_tree: $?\n" if $?
;
523 system("git-read-tree");
524 die "Cannot init an empty tree: $?\n" if $?
;
526 $last_branch = $opt_o;
529 -f
"$git_dir/refs/heads/$opt_o"
530 or die "Branch '$opt_o' does not exist.\n".
531 "Either use the correct '-o branch' option,\n".
532 "or import to a new repository.\n";
534 open(F
, "git-symbolic-ref HEAD |") or
535 die "Cannot run git-symbolic-ref: $!\n";
536 chomp ($last_branch = <F
>);
537 $last_branch = basename
($last_branch);
539 unless ($last_branch) {
540 warn "Cannot read the last branch name: $! -- assuming 'master'\n";
541 $last_branch = "master";
543 $orig_branch = $last_branch;
544 $tip_at_start = `git-rev-parse --verify HEAD`;
546 # Get the last import timestamps
547 my $fmt = '($ref, $author) = (%(refname), %(author));';
548 open(H
, "git-for-each-ref --perl --format='$fmt' refs/heads |") or
549 die "Cannot run git-for-each-ref: $!\n";
550 while (defined(my $entry = <H
>)) {
552 eval($entry) || die "cannot eval refs list: $@";
553 my ($head) = ($ref =~ m
|^refs
/heads/(.*)|);
554 $author =~ /^.*\s(\d+)\s[-+]\d{4}$/;
555 $branch_date{$head} = $1;
561 or die "Could not create git subdir ($git_dir).\n";
563 # now we read (and possibly save) author-info as well
564 -f
"$git_dir/cvs-authors" and
565 read_author_info
("$git_dir/cvs-authors");
567 read_author_info
($opt_A);
568 write_author_info
("$git_dir/cvs-authors");
573 # run cvsps into a file unless we are getting
574 # it passed as a file via $opt_P
577 print "Running cvsps...\n" if $opt_v;
578 my $pid = open(CVSPS
,"-|");
579 die "Cannot fork: $!\n" unless defined $pid;
582 @opt = split(/,/,$opt_p) if defined $opt_p;
583 unshift @opt, '-z', $opt_z if defined $opt_z;
584 unshift @opt, '-q' unless defined $opt_v;
585 unless (defined($opt_p) && $opt_p =~ m/--no-cvs-direct/) {
586 push @opt, '--cvs-direct';
588 exec("cvsps","--norc",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);
589 die "Could not start cvsps: $!\n";
591 my ($cvspsfh, $cvspsfile) = tempfile
('gitXXXXXX', SUFFIX
=> '.cvsps',
592 DIR
=> File
::Spec
->tmpdir());
602 open(CVS
, "<$opt_P") or die $!;
605 #---------------------
607 #Date: 1999/09/18 13:03:59
609 #Branch: STABLE-BRANCH-1-0
610 #Ancestor branch: HEAD
613 # See ChangeLog: Sat Sep 18 13:03:28 CEST 1999 Werner Koch
615 # README:1.57->1.57.2.1
616 # VERSION:1.96->1.96.2.1
618 #---------------------
622 sub update_index
(\@\@
) {
625 open(my $fh, '|-', qw(git-update-index -z --index-info))
626 or die "unable to open git-update-index: $!";
628 (map { "0 0000000000000000000000000000000000000000\t$_\0" }
630 (map { '100' . sprintf('%o', $_->[0]) . " $_->[1]\t$_->[2]\0" }
632 or die "unable to write to git-update-index: $!";
634 or die "unable to write to git-update-index: $!";
635 $?
and die "git-update-index reported error: $?";
639 open(my $fh, '-|', qw(git-write-tree))
640 or die "unable to open git-write-tree: $!";
641 chomp(my $tree = <$fh>);
643 or die "Cannot get tree id ($tree): $!";
645 or die "Error running git-write-tree: $?\n";
646 print "Tree ID $tree\n" if $opt_v;
650 my ($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
651 my (@old,@new,@skipped,%ignorebranch);
653 # commits that cvsps cannot place anywhere...
654 $ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
657 if ($branch eq $opt_o && !$index{branch
} && !get_headref
($branch, $git_dir)) {
658 # looks like an initial commit
659 # use the index primed by git-init-db
660 $ENV{GIT_INDEX_FILE
} = '.git/index';
661 $index{$branch} = '.git/index';
663 # use an index per branch to speed up
664 # imports of projects with many branches
665 unless ($index{$branch}) {
666 $index{$branch} = tmpnam
();
667 $ENV{GIT_INDEX_FILE
} = $index{$branch};
669 system("git-read-tree", $ancestor);
671 system("git-read-tree", $branch);
673 die "read-tree failed: $?\n" if $?
;
676 $ENV{GIT_INDEX_FILE
} = $index{$branch};
678 update_index
(@old, @new);
680 my $tree = write_tree
();
681 my $parent = get_headref
($last_branch, $git_dir);
682 print "Parent ID " . ($parent ?
$parent : "(empty)") . "\n" if $opt_v;
685 push @commit_args, ("-p", $parent) if $parent;
687 # loose detection of merges
688 # based on the commit msg
689 foreach my $rx (@mergerx) {
690 next unless $logmsg =~ $rx && $1;
691 my $mparent = $1 eq 'HEAD' ?
$opt_o : $1;
692 if (my $sha1 = get_headref
($mparent, $git_dir)) {
693 push @commit_args, '-p', $mparent;
694 print "Merge parent branch: $mparent\n" if $opt_v;
698 my $commit_date = strftime
("+0000 %Y-%m-%d %H:%M:%S",gmtime($date));
699 $ENV{GIT_AUTHOR_NAME
} = $author_name;
700 $ENV{GIT_AUTHOR_EMAIL
} = $author_email;
701 $ENV{GIT_AUTHOR_DATE
} = $commit_date;
702 $ENV{GIT_COMMITTER_NAME
} = $author_name;
703 $ENV{GIT_COMMITTER_EMAIL
} = $author_email;
704 $ENV{GIT_COMMITTER_DATE
} = $commit_date;
705 my $pid = open2
(my $commit_read, my $commit_write,
706 'git-commit-tree', $tree, @commit_args);
708 # compatibility with git2cvs
709 substr($logmsg,32767) = "" if length($logmsg) > 32767;
710 $logmsg =~ s/[\s\n]+\z//;
713 $logmsg .= "\n\n\nSKIPPED:\n\t";
714 $logmsg .= join("\n\t", @skipped) . "\n";
718 print($commit_write "$logmsg\n") && close($commit_write)
719 or die "Error writing to git-commit-tree: $!\n";
721 print "Committed patch $patchset ($branch $commit_date)\n" if $opt_v;
722 chomp(my $cid = <$commit_read>);
723 is_sha1
($cid) or die "Cannot get commit id ($cid): $!\n";
724 print "Commit ID $cid\n" if $opt_v;
728 die "Error running git-commit-tree: $?\n" if $?
;
730 system("git-update-ref refs/heads/$branch $cid") == 0
731 or die "Cannot write branch $branch for update: $!\n";
734 my ($in, $out) = ('','');
736 $xtag =~ s/\s+\*\*.*$//; # Remove stuff like ** INVALID ** and ** FUNKY **
737 $xtag =~ tr/_/\./ if ( $opt_u );
738 $xtag =~ s/[\/]/$opt_s/g
;
740 my $pid = open2
($in, $out, 'git-mktag');
741 print $out "object $cid\n".
744 "tagger $author_name <$author_email>\n"
745 or die "Cannot create tag object $xtag: $!\n";
747 or die "Cannot create tag object $xtag: $!\n";
752 if ( !close($in) or waitpid($pid, 0) != $pid or
753 $?
!= 0 or $tagobj !~ /^[0123456789abcdef]{40}$/ ) {
754 die "Cannot create tag object $xtag: $!\n";
758 open(C
,">$git_dir/refs/tags/$xtag")
759 or die "Cannot create tag $xtag: $!\n";
761 or die "Cannot write tag $xtag: $!\n";
763 or die "Cannot write tag $xtag: $!\n";
765 print "Created tag '$xtag' on '$branch'\n" if $opt_v;
772 if ($state == 0 and /^-+$/) {
774 } elsif ($state == 0) {
777 } elsif (($state==0 or $state==1) and s/^PatchSet\s+//) {
780 } elsif ($state == 2 and s/^Date:\s+//) {
783 print STDERR
"Could not parse date: $_\n";
788 } elsif ($state == 3 and s/^Author:\s+//) {
790 if (/^(.*?)\s+<(.*)>/) {
791 ($author_name, $author_email) = ($1, $2);
792 } elsif ($conv_author_name{$_}) {
793 $author_name = $conv_author_name{$_};
794 $author_email = $conv_author_email{$_};
796 $author_name = $author_email = $_;
799 } elsif ($state == 4 and s/^Branch:\s+//) {
804 } elsif ($state == 5 and s/^Ancestor branch:\s+//) {
807 $ancestor = $opt_o if $ancestor eq "HEAD";
809 } elsif ($state == 5) {
813 } elsif ($state == 6 and s/^Tag:\s+//) {
815 if ($_ eq "(none)") {
821 } elsif ($state == 7 and /^Log:/) {
824 } elsif ($state == 8 and /^Members:/) {
825 $branch = $opt_o if $branch eq "HEAD";
826 if (defined $branch_date{$branch} and $branch_date{$branch} >= $date) {
828 print "skip patchset $patchset: $date before $branch_date{$branch}\n" if $opt_v;
832 if ( $starttime - 300 - (defined $opt_z ?
$opt_z : 300) <= $date) {
833 # skip if the commit is too recent
834 # that the cvsps default fuzz is 300s, we give ourselves another
835 # 300s just in case -- this also prevents skipping commits
836 # due to server clock drift
837 print "skip patchset $patchset: $date too recent\n" if $opt_v;
841 if (exists $ignorebranch{$branch}) {
842 print STDERR
"Skipping $branch\n";
847 if ($ancestor eq $branch) {
848 print STDERR
"Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
851 if (-f
"$git_dir/refs/heads/$branch") {
852 print STDERR
"Branch $branch already exists!\n";
856 unless (open(H
,"$git_dir/refs/heads/$ancestor")) {
857 print STDERR
"Branch $ancestor does not exist!\n";
858 $ignorebranch{$branch} = 1;
864 unless (open(H
,"> $git_dir/refs/heads/$branch")) {
865 print STDERR
"Could not create branch $branch: $!\n";
866 $ignorebranch{$branch} = 1;
871 or die "Could not write branch $branch: $!";
873 or die "Could not write branch $branch: $!";
875 $last_branch = $branch if $branch ne $last_branch;
877 } elsif ($state == 8) {
879 } elsif ($state == 9 and /^\s+(.+?):(INITIAL|\d+(?:\.\d+)+)->(\d+(?:\.\d+)+)\s*$/) {
880 # VERSION:1.96->1.96.2.1
881 my $init = ($2 eq "INITIAL");
885 if ($opt_S && $fn =~ m/$opt_S/) {
886 print "SKIPPING $fn v $rev\n";
890 print "Fetching $fn v $rev\n" if $opt_v;
891 my ($tmpname, $size) = $cvs->file($fn,$rev);
894 print "Drop $fn\n" if $opt_v;
896 print "".($init ?
"New" : "Update")." $fn: $size bytes\n" if $opt_v;
897 my $pid = open(my $F, '-|');
898 die $! unless defined $pid;
900 exec("git-hash-object", "-w", $tmpname)
901 or die "Cannot create object: $!\n";
906 my $mode = pmode
($cvs->{'mode'});
907 push(@new,[$mode, $sha, $fn]); # may be resurrected!
910 } elsif ($state == 9 and /^\s+(.+?):\d+(?:\.\d+)+->(\d+(?:\.\d+)+)\(DEAD\)\s*$/) {
914 print "Delete $fn\n" if $opt_v;
915 } elsif ($state == 9 and /^\s*$/) {
917 } elsif (($state == 9 or $state == 10) and /^-+$/) {
919 if ($opt_L && $commitcount > $opt_L) {
923 if (($commitcount & 1023) == 0) {
924 system("git repack -a -d");
927 } elsif ($state == 11 and /^-+$/) {
929 } elsif (/^-+$/) { # end of unknown-line processing
931 } elsif ($state != 11) { # ignore stuff when skipping
932 print "* UNKNOWN LINE * $_\n";
935 commit
() if $branch and $state != 11;
937 # The heuristic of repacking every 1024 commits can leave a
938 # lot of unpacked data. If there is more than 1MB worth of
939 # not-packed objects, repack once more.
940 my $line = `git-count-objects`;
941 if ($line =~ /^(\d+) objects, (\d+) kilobytes$/) {
942 my ($n_objects, $kb) = ($1, $2);
944 and system("git repack -a -d");
947 foreach my $git_index (values %index) {
948 if ($git_index ne '.git/index') {
953 if (defined $orig_git_index) {
954 $ENV{GIT_INDEX_FILE
} = $orig_git_index;
956 delete $ENV{GIT_INDEX_FILE
};
959 # Now switch back to the branch we were in before all of this happened
961 print "DONE.\n" if $opt_v;
965 my $tip_at_end = `git-rev-parse --verify HEAD`;
966 if ($tip_at_start ne $tip_at_end) {
967 for ($tip_at_start, $tip_at_end) { chomp; }
968 print "Fetched into the current branch.\n" if $opt_v;
969 system(qw(git-read-tree -u -m),
970 $tip_at_start, $tip_at_end);
971 die "Fast-forward update failed: $?\n" if $?
;
974 system(qw(git-merge cvsimport HEAD), "refs/heads/$opt_o");
975 die "Could not merge $opt_o into the current branch.\n" if $?
;
978 $orig_branch = "master";
979 print "DONE; creating $orig_branch branch\n" if $opt_v;
980 system("git-update-ref", "refs/heads/master", "refs/heads/$opt_o")
981 unless -f
"$git_dir/refs/heads/master";
982 system('git-update-ref', 'HEAD', "$orig_branch");
984 system('git checkout');
985 die "checkout failed: $?\n" if $?
;