-#!/usr/bin/perl -w
+#!/usr/bin/perl
# This tool is copyright (c) 2005, Matthias Urlichs.
# It is released under the Gnu Public License, version 2.
# The head revision is on branch "origin" by default.
# You can change that with the '-o' option.
+use 5.008;
use strict;
use warnings;
-use Getopt::Std;
+use Getopt::Long;
use File::Spec;
use File::Temp qw(tempfile tmpnam);
use File::Path qw(mkpath);
$SIG{'PIPE'}="IGNORE";
$ENV{'TZ'}="UTC";
-our($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);
+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, $opt_R);
my (%conv_author_name, %conv_author_email);
-sub usage() {
+sub usage(;$) {
+ my $msg = shift;
+ print(STDERR "Error: $msg\n") if $msg;
print STDERR <<END;
-Usage: ${\basename $0} # fetch/update GIT from CVS
+Usage: git cvsimport # fetch/update GIT from CVS
[-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
- [-p opts-for-cvsps] [-C GIT_repository] [-z fuzz] [-i] [-k] [-u]
- [-s subst] [-m] [-M regex] [-S regex] [CVS_module]
+ [-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
+ [-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
+ [-r remote] [-R] [CVS_module]
END
exit(1);
}
close ($f);
}
-getopts("hivmkuo:d:p:C:z:s:M:P:A:S:L:") or usage();
+# convert getopts specs for use by git config
+sub read_repo_config {
+ # Split the string between characters, unless there is a ':'
+ # So "abc:de" becomes ["a", "b", "c:", "d", "e"]
+ my @opts = split(/ *(?!:)/, shift);
+ foreach my $o (@opts) {
+ my $key = $o;
+ $key =~ s/://g;
+ my $arg = 'git config';
+ $arg .= ' --bool' if ($o !~ /:$/);
+
+ chomp(my $tmp = `$arg --get cvsimport.$key`);
+ if ($tmp && !($arg =~ /--bool/ && $tmp eq 'false')) {
+ no strict 'refs';
+ my $opt_name = "opt_" . $key;
+ if (!$$opt_name) {
+ $$opt_name = $tmp;
+ }
+ }
+ }
+}
+
+my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:R";
+read_repo_config($opts);
+Getopt::Long::Configure( 'no_ignore_case', 'bundling' );
+
+# turn the Getopt::Std specification in a Getopt::Long one,
+# with support for multiple -M options
+GetOptions( map { s/:/=s/; /M/ ? "$_\@" : $_ } split( /(?!:)/, $opts ) )
+ or usage();
usage if $opt_h;
-@ARGV <= 1 or usage();
+if (@ARGV == 0) {
+ chomp(my $module = `git config --get cvsimport.module`);
+ push(@ARGV, $module) if $? == 0;
+}
+@ARGV <= 1 or usage("You can't specify more than one CVS module");
-if($opt_d) {
+if ($opt_d) {
$ENV{"CVSROOT"} = $opt_d;
-} elsif(-f 'CVS/Root') {
+} elsif (-f 'CVS/Root') {
open my $f, '<', 'CVS/Root' or die 'Failed to open CVS/Root';
$opt_d = <$f>;
chomp $opt_d;
close $f;
$ENV{"CVSROOT"} = $opt_d;
-} elsif($ENV{"CVSROOT"}) {
+} elsif ($ENV{"CVSROOT"}) {
$opt_d = $ENV{"CVSROOT"};
} else {
- die "CVSROOT needs to be set";
+ usage("CVSROOT needs to be set");
}
-$opt_o ||= "origin";
$opt_s ||= "-";
+$opt_a ||= 0;
+
my $git_tree = $opt_C;
$git_tree ||= ".";
+my $remote;
+if (defined $opt_r) {
+ $remote = 'refs/remotes/' . $opt_r;
+ $opt_o ||= "master";
+} else {
+ $opt_o ||= "origin";
+ $remote = 'refs/heads';
+}
+
my $cvs_tree;
if ($#ARGV == 0) {
$cvs_tree = $ARGV[0];
} elsif (-f 'CVS/Repository') {
- open my $f, '<', 'CVS/Repository' or
+ open my $f, '<', 'CVS/Repository' or
die 'Failed to open CVS/Repository';
$cvs_tree = <$f>;
chomp $cvs_tree;
close $f;
} else {
- usage();
+ usage("CVS module has to be specified");
}
our @mergerx = ();
if ($opt_m) {
- @mergerx = ( qr/\W(?:from|of|merge|merging|merged) (\w+)/i );
+ @mergerx = ( qr/\b(?:from|of|merge|merging|merged) ([-\w]+)/i );
}
-if ($opt_M) {
- push (@mergerx, qr/$opt_M/);
+if (@opt_M) {
+ push (@mergerx, map { qr/$_/ } @opt_M);
}
+# Remember UTC of our starting time
+# we'll want to avoid importing commits
+# that are too recent
+our $starttime = time();
+
select(STDERR); $|=1; select(STDOUT);
use POSIX qw(strftime dup2);
sub new {
- my($what,$repo,$subdir) = @_;
+ my ($what,$repo,$subdir) = @_;
$what=ref($what) if ref($what);
my $self = {};
sub conn {
my $self = shift;
my $repo = $self->{'fullrep'};
- if($repo =~ s/^:pserver:(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?//) {
- my($user,$pass,$serv,$port) = ($1,$2,$3,$4);
- $user="anonymous" unless defined $user;
+ if ($repo =~ s/^:pserver(?:([^:]*)):(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?//) {
+ my ($param,$user,$pass,$serv,$port) = ($1,$2,$3,$4,$5);
+
+ my ($proxyhost,$proxyport);
+ if ($param && ($param =~ m/proxy=([^;]+)/)) {
+ $proxyhost = $1;
+ # Default proxyport, if not specified, is 8080.
+ $proxyport = 8080;
+ if ($ENV{"CVS_PROXY_PORT"}) {
+ $proxyport = $ENV{"CVS_PROXY_PORT"};
+ }
+ if ($param =~ m/proxyport=([^;]+)/) {
+ $proxyport = $1;
+ }
+ }
+ $repo ||= '/';
+
+ # if username is not explicit in CVSROOT, then use current user, as cvs would
+ $user=(getlogin() || $ENV{'LOGNAME'} || $ENV{'USER'} || "anonymous") unless $user;
my $rr2 = "-";
- unless($port) {
+ unless ($port) {
$rr2 = ":pserver:$user\@$serv:$repo";
$port=2401;
}
my $rr = ":pserver:$user\@$serv:$port$repo";
- unless($pass) {
+ if ($pass) {
+ $pass = $self->_scramble($pass);
+ } else {
open(H,$ENV{'HOME'}."/.cvspass") and do {
# :pserver:cvs@mea.tmt.tele.fi:/cvsroot/zmailer Ah<Z
- while(<H>) {
+ while (<H>) {
chomp;
s/^\/\d+\s+//;
my ($w,$p) = split(/\s/,$_,2);
- if($w eq $rr or $w eq $rr2) {
+ if ($w eq $rr or $w eq $rr2) {
$pass = $p;
last;
}
}
};
+ $pass = "A" unless $pass;
+ }
+
+ my ($s, $rep);
+ if ($proxyhost) {
+
+ # Use a HTTP Proxy. Only works for HTTP proxies that
+ # don't require user authentication
+ #
+ # See: http://www.ietf.org/rfc/rfc2817.txt
+
+ $s = IO::Socket::INET->new(PeerHost => $proxyhost, PeerPort => $proxyport);
+ die "Socket to $proxyhost: $!\n" unless defined $s;
+ $s->write("CONNECT $serv:$port HTTP/1.1\r\nHost: $serv:$port\r\n\r\n")
+ or die "Write to $proxyhost: $!\n";
+ $s->flush();
+
+ $rep = <$s>;
+
+ # The answer should look like 'HTTP/1.x 2yy ....'
+ if (!($rep =~ m#^HTTP/1\.. 2[0-9][0-9]#)) {
+ die "Proxy connect: $rep\n";
+ }
+ # Skip up to the empty line of the proxy server output
+ # including the response headers.
+ while ($rep = <$s>) {
+ last if (!defined $rep ||
+ $rep eq "\n" ||
+ $rep eq "\r\n");
+ }
+ } else {
+ $s = IO::Socket::INET->new(PeerHost => $serv, PeerPort => $port);
+ die "Socket to $serv: $!\n" unless defined $s;
}
- $pass="A" unless $pass;
- my $s = IO::Socket::INET->new(PeerHost => $serv, PeerPort => $port);
- die "Socket to $serv: $!\n" unless defined $s;
$s->write("BEGIN AUTH REQUEST\n$repo\n$user\n$pass\nEND AUTH REQUEST\n")
or die "Write to $serv: $!\n";
$s->flush();
- my $rep = <$s>;
+ $rep = <$s>;
- if($rep ne "I LOVE YOU\n") {
+ if ($rep ne "I LOVE YOU\n") {
$rep="<unknown>" unless $rep;
die "AuthReply: $rep\n";
}
}
}
- unless($pid) {
+ unless ($pid) {
$pr->writer();
$pw->reader();
dup2($pw->fileno(),0);
$self->{'socketo'}->flush();
chomp(my $rep=$self->readline());
- if($rep !~ s/^Valid-requests\s*//) {
+ if ($rep !~ s/^Valid-requests\s*//) {
$rep="<unknown>" unless $rep;
die "Expected Valid-requests from server, but got: $rep\n";
}
}
sub readline {
- my($self) = @_;
+ my ($self) = @_;
return $self->{'socketi'}->getline();
}
sub _file {
# Request a file with a given revision.
# Trial and error says this is a good way to do it. :-/
- my($self,$fn,$rev) = @_;
+ my ($self,$fn,$rev) = @_;
$self->{'socketo'}->write("Argument -N\n") or return undef;
$self->{'socketo'}->write("Argument -P\n") or return undef;
# -kk: Linus' version doesn't use it - defaults to off
sub _line {
# Read a line from the server.
# ... except that 'line' may be an entire file. ;-)
- my($self, $fh) = @_;
+ my ($self, $fh) = @_;
die "Not in lines" unless defined $self->{'lines'};
my $line;
my $res=0;
- while(defined($line = $self->readline())) {
+ while (defined($line = $self->readline())) {
# M U gnupg-cvs-rep/AUTHORS
# Updated gnupg-cvs-rep/
# /daten/src/rsync/gnupg-cvs-rep/AUTHORS
# 0
# ok
- if($line =~ s/^(?:Created|Updated) //) {
+ if ($line =~ s/^(?:Created|Updated) //) {
$line = $self->readline(); # path
$line = $self->readline(); # Entries line
my $mode = $self->readline(); chomp $mode;
die "Duh: Filesize $cnt" if $cnt !~ /^\d+$/;
$line="";
$res = $self->_fetchfile($fh, $cnt);
- } elsif($line =~ s/^ //) {
+ } elsif ($line =~ s/^ //) {
print $fh $line;
$res += length($line);
- } elsif($line =~ /^M\b/) {
+ } elsif ($line =~ /^M\b/) {
# output, do nothing
- } elsif($line =~ /^Mbinary\b/) {
+ } elsif ($line =~ /^Mbinary\b/) {
my $cnt;
die "EOF from server after 'Mbinary'" unless defined ($cnt = $self->readline());
chomp $cnt;
$res += $self->_fetchfile($fh, $cnt);
} else {
chomp $line;
- if($line eq "ok") {
+ if ($line eq "ok") {
# print STDERR "S: ok (".length($res).")\n";
return $res;
- } elsif($line =~ s/^E //) {
+ } elsif ($line =~ s/^E //) {
# print STDERR "S: $line\n";
- } elsif($line =~ /^(Remove-entry|Removed) /i) {
+ } elsif ($line =~ /^(Remove-entry|Removed) /i) {
$line = $self->readline(); # filename
$line = $self->readline(); # OK
chomp $line;
return undef;
}
sub file {
- my($self,$fn,$rev) = @_;
+ my ($self,$fn,$rev) = @_;
my $res;
- my ($fh, $name) = tempfile('gitcvs.XXXXXX',
+ my ($fh, $name) = tempfile('gitcvs.XXXXXX',
DIR => File::Spec->tmpdir(), UNLINK => 1);
$self->_file($fn,$rev) and $res = $self->_line($fh);
my ($self, $fh, $cnt) = @_;
my $res = 0;
my $bufsize = 1024 * 1024;
- while($cnt) {
+ while ($cnt) {
if ($bufsize > $cnt) {
$bufsize = $cnt;
}
return $res;
}
+sub _scramble {
+ my ($self, $pass) = @_;
+ my $scrambled = "A";
+
+ return $scrambled unless $pass;
+
+ my $pass_len = length($pass);
+ my @pass_arr = split("", $pass);
+ my $i;
+
+ # from cvs/src/scramble.c
+ my @shifts = (
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 114,120, 53, 79, 96,109, 72,108, 70, 64, 76, 67,116, 74, 68, 87,
+ 111, 52, 75,119, 49, 34, 82, 81, 95, 65,112, 86,118,110,122,105,
+ 41, 57, 83, 43, 46,102, 40, 89, 38,103, 45, 50, 42,123, 91, 35,
+ 125, 55, 54, 66,124,126, 59, 47, 92, 71,115, 78, 88,107,106, 56,
+ 36,121,117,104,101,100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48,
+ 58,113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85,223,
+ 225,216,187,166,229,189,222,188,141,249,148,200,184,136,248,190,
+ 199,170,181,204,138,232,218,183,255,234,220,247,213,203,226,193,
+ 174,172,228,252,217,201,131,230,197,211,145,238,161,179,160,212,
+ 207,221,254,173,202,146,224,151,140,196,205,130,135,133,143,246,
+ 192,159,244,239,185,168,215,144,139,165,180,157,147,186,214,176,
+ 227,231,219,169,175,156,206,198,129,164,150,210,154,177,134,127,
+ 182,128,158,208,162,132,167,209,149,241,153,251,237,236,171,195,
+ 243,233,253,240,194,250,191,155,142,137,245,235,163,242,178,152
+ );
+
+ for ($i = 0; $i < $pass_len; $i++) {
+ $scrambled .= pack("C", $shifts[ord($pass_arr[$i])]);
+ }
+
+ return $scrambled;
+}
package main;
sub pdate($) {
- my($d) = @_;
+ my ($d) = @_;
m#(\d{2,4})/(\d\d)/(\d\d)\s(\d\d):(\d\d)(?::(\d\d))?#
or die "Unparseable date: $d\n";
my $y=$1; $y-=1900 if $y>1900;
}
sub pmode($) {
- my($mode) = @_;
+ my ($mode) = @_;
my $m = 0;
my $mm = 0;
my $um = 0;
for my $x(split(//,$mode)) {
- if($x eq ",") {
+ if ($x eq ",") {
$m |= $mm&$um;
$mm = 0;
$um = 0;
- } elsif($x eq "u") { $um |= 0700;
- } elsif($x eq "g") { $um |= 0070;
- } elsif($x eq "o") { $um |= 0007;
- } elsif($x eq "r") { $mm |= 0444;
- } elsif($x eq "w") { $mm |= 0222;
- } elsif($x eq "x") { $mm |= 0111;
- } elsif($x eq "=") { # do nothing
+ } elsif ($x eq "u") { $um |= 0700;
+ } elsif ($x eq "g") { $um |= 0070;
+ } elsif ($x eq "o") { $um |= 0007;
+ } elsif ($x eq "r") { $mm |= 0444;
+ } elsif ($x eq "w") { $mm |= 0222;
+ } elsif ($x eq "x") { $mm |= 0111;
+ } elsif ($x eq "=") { # do nothing
} else { die "Unknown mode: $mode\n";
}
}
return $s =~ /^[a-f0-9]{40}$/;
}
-sub get_headref ($$) {
- my $name = shift;
- my $git_dir = shift;
-
- my $f = "$git_dir/refs/heads/$name";
- if(open(my $fh, $f)) {
- chomp(my $r = <$fh>);
- is_sha1($r) or die "Cannot get head id for $name ($r): $!";
- return $r;
- }
- die "unable to open $f: $!" unless $! == POSIX::ENOENT;
- return undef;
+sub get_headref ($) {
+ my $name = shift;
+ my $r = `git rev-parse --verify '$name' 2>/dev/null`;
+ return undef unless $? == 0;
+ chomp $r;
+ return $r;
+}
+
+my $user_filename_prepend = '';
+sub munge_user_filename {
+ my $name = shift;
+ return File::Spec->file_name_is_absolute($name) ?
+ $name :
+ $user_filename_prepend . $name;
}
-d $git_tree
or mkdir($git_tree,0777)
or die "Could not create $git_tree: $!";
-chdir($git_tree);
+if ($git_tree ne '.') {
+ $user_filename_prepend = getwd() . '/';
+ chdir($git_tree);
+}
my $last_branch = "";
my $orig_branch = "";
$orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE};
my %index; # holds filenames of one index per branch
-$index{$opt_o} = tmpnam();
-$ENV{GIT_INDEX_FILE} = $index{$opt_o};
-system("git-read-tree", $opt_o);
-die "read-tree failed: $?\n" if $?;
-
-unless(-d $git_dir) {
- system("git-init-db");
+unless (-d $git_dir) {
+ system(qw(git init));
die "Cannot init the GIT db at $git_tree: $?\n" if $?;
- system("git-read-tree");
+ system(qw(git read-tree --empty));
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";
-
- open(F, "git-symbolic-ref HEAD |") or
- die "Cannot run git-symbolic-ref: $!\n";
+ open(F, "-|", qw(git symbolic-ref HEAD)) or
+ die "Cannot run git symbolic-ref: $!\n";
chomp ($last_branch = <F>);
$last_branch = basename($last_branch);
close(F);
- unless($last_branch) {
+ unless ($last_branch) {
warn "Cannot read the last branch name: $! -- assuming 'master'\n";
$last_branch = "master";
}
$orig_branch = $last_branch;
- $tip_at_start = `git-rev-parse --verify HEAD`;
-
- # populate index
- unless ($index{$last_branch}) {
- $index{$last_branch} = tmpnam();
- }
- $ENV{GIT_INDEX_FILE} = $index{$last_branch};
- system('git-read-tree', $last_branch);
- die "read-tree failed: $?\n" if $?;
+ $tip_at_start = `git rev-parse --verify HEAD`;
# Get the last import timestamps
- opendir(D,"$git_dir/refs/heads");
- while(defined(my $head = readdir(D))) {
- next if $head =~ /^\./;
- open(F,"$git_dir/refs/heads/$head")
- or die "Bad head branch: $head: $!\n";
- chomp(my $ftag = <F>);
- close(F);
- open(F,"git-cat-file commit $ftag |");
- while(<F>) {
- next unless /^author\s.*\s(\d+)\s[-+]\d{4}$/;
- $branch_date{$head} = $1;
- last;
- }
- close(F);
+ my $fmt = '($ref, $author) = (%(refname), %(author));';
+ my @cmd = ('git', 'for-each-ref', '--perl', "--format=$fmt", $remote);
+ open(H, "-|", @cmd) or die "Cannot run git for-each-ref: $!\n";
+ while (defined(my $entry = <H>)) {
+ my ($ref, $author);
+ eval($entry) || die "cannot eval refs list: $@";
+ my ($head) = ($ref =~ m|^$remote/(.*)|);
+ $author =~ /^.*\s(\d+)\s[-+]\d{4}$/;
+ $branch_date{$head} = $1;
}
- closedir(D);
+ close(H);
+ if (!exists $branch_date{$opt_o}) {
+ die "Branch '$opt_o' does not exist.\n".
+ "Either use the correct '-o branch' option,\n".
+ "or import to a new repository.\n";
+ }
}
-d $git_dir
-f "$git_dir/cvs-authors" and
read_author_info("$git_dir/cvs-authors");
if ($opt_A) {
- read_author_info($opt_A);
+ read_author_info(munge_user_filename($opt_A));
write_author_info("$git_dir/cvs-authors");
}
+# open .git/cvs-revisions, if requested
+open my $revision_map, '>>', "$git_dir/cvs-revisions"
+ or die "Can't open $git_dir/cvs-revisions for appending: $!\n"
+ if defined $opt_R;
+
#
# run cvsps into a file unless we are getting
# it passed as a file via $opt_P
#
+my $cvspsfile;
unless ($opt_P) {
print "Running cvsps...\n" if $opt_v;
my $pid = open(CVSPS,"-|");
+ my $cvspsfh;
die "Cannot fork: $!\n" unless defined $pid;
- unless($pid) {
+ unless ($pid) {
my @opt;
@opt = split(/,/,$opt_p) if defined $opt_p;
unshift @opt, '-z', $opt_z if defined $opt_z;
exec("cvsps","--norc",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);
die "Could not start cvsps: $!\n";
}
- my ($cvspsfh, $cvspsfile) = tempfile('gitXXXXXX', SUFFIX => '.cvsps',
- DIR => File::Spec->tmpdir());
+ ($cvspsfh, $cvspsfile) = tempfile('gitXXXXXX', SUFFIX => '.cvsps',
+ DIR => File::Spec->tmpdir());
while (<CVSPS>) {
print $cvspsfh $_;
}
close CVSPS;
+ $? == 0 or die "git cvsimport: fatal: cvsps reported error\n";
close $cvspsfh;
- $opt_P = $cvspsfile;
+} else {
+ $cvspsfile = munge_user_filename($opt_P);
}
-
-open(CVS, "<$opt_P") or die $!;
+open(CVS, "<$cvspsfile") or die $!;
## cvsps output:
#---------------------
sub update_index (\@\@) {
my $old = shift;
my $new = shift;
- open(my $fh, '|-', qw(git-update-index -z --index-info))
- or die "unable to open git-update-index: $!";
+ open(my $fh, '|-', qw(git update-index -z --index-info))
+ or die "unable to open git update-index: $!";
print $fh
(map { "0 0000000000000000000000000000000000000000\t$_\0" }
@$old),
(map { '100' . sprintf('%o', $_->[0]) . " $_->[1]\t$_->[2]\0" }
@$new)
- or die "unable to write to git-update-index: $!";
+ or die "unable to write to git update-index: $!";
close $fh
- or die "unable to write to git-update-index: $!";
- $? and die "git-update-index reported error: $?";
+ or die "unable to write to git update-index: $!";
+ $? and die "git update-index reported error: $?";
}
sub write_tree () {
- open(my $fh, '-|', qw(git-write-tree))
- or die "unable to open git-write-tree: $!";
+ open(my $fh, '-|', qw(git write-tree))
+ or die "unable to open git write-tree: $!";
chomp(my $tree = <$fh>);
is_sha1($tree)
or die "Cannot get tree id ($tree): $!";
close($fh)
- or die "Error running git-write-tree: $?\n";
+ or die "Error running git write-tree: $?\n";
print "Tree ID $tree\n" if $opt_v;
return $tree;
}
-my($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
-my(@old,@new,@skipped,%ignorebranch);
+my ($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
+my (@old,@new,@skipped,%ignorebranch,@commit_revisions);
# commits that cvsps cannot place anywhere...
$ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
sub commit {
+ if ($branch eq $opt_o && !$index{branch} &&
+ !get_headref("$remote/$branch")) {
+ # looks like an initial commit
+ # use the index primed by git init
+ $ENV{GIT_INDEX_FILE} = "$git_dir/index";
+ $index{$branch} = "$git_dir/index";
+ } else {
+ # use an index per branch to speed up
+ # imports of projects with many branches
+ unless ($index{$branch}) {
+ $index{$branch} = tmpnam();
+ $ENV{GIT_INDEX_FILE} = $index{$branch};
+ if ($ancestor) {
+ system("git", "read-tree", "$remote/$ancestor");
+ } else {
+ system("git", "read-tree", "$remote/$branch");
+ }
+ die "read-tree failed: $?\n" if $?;
+ }
+ }
+ $ENV{GIT_INDEX_FILE} = $index{$branch};
+
update_index(@old, @new);
@old = @new = ();
my $tree = write_tree();
- my $parent = get_headref($last_branch, $git_dir);
+ my $parent = get_headref("$remote/$last_branch");
print "Parent ID " . ($parent ? $parent : "(empty)") . "\n" if $opt_v;
my @commit_args;
foreach my $rx (@mergerx) {
next unless $logmsg =~ $rx && $1;
my $mparent = $1 eq 'HEAD' ? $opt_o : $1;
- if(my $sha1 = get_headref($mparent, $git_dir)) {
- push @commit_args, '-p', $mparent;
+ if (my $sha1 = get_headref("$remote/$mparent")) {
+ push @commit_args, '-p', "$remote/$mparent";
print "Merge parent branch: $mparent\n" if $opt_v;
}
}
$ENV{GIT_COMMITTER_EMAIL} = $author_email;
$ENV{GIT_COMMITTER_DATE} = $commit_date;
my $pid = open2(my $commit_read, my $commit_write,
- 'git-commit-tree', $tree, @commit_args);
+ 'git', 'commit-tree', $tree, @commit_args);
# compatibility with git2cvs
substr($logmsg,32767) = "" if length($logmsg) > 32767;
}
print($commit_write "$logmsg\n") && close($commit_write)
- or die "Error writing to git-commit-tree: $!\n";
+ or die "Error writing to git commit-tree: $!\n";
print "Committed patch $patchset ($branch $commit_date)\n" if $opt_v;
chomp(my $cid = <$commit_read>);
close($commit_read);
waitpid($pid,0);
- die "Error running git-commit-tree: $?\n" if $?;
+ die "Error running git commit-tree: $?\n" if $?;
- system("git-update-ref refs/heads/$branch $cid") == 0
+ system('git' , 'update-ref', "$remote/$branch", $cid) == 0
or die "Cannot write branch $branch for update: $!\n";
- if($tag) {
- my($in, $out) = ('','');
- my($xtag) = $tag;
+ if ($revision_map) {
+ print $revision_map "@$_ $cid\n" for @commit_revisions;
+ }
+ @commit_revisions = ();
+
+ if ($tag) {
+ my ($xtag) = $tag;
$xtag =~ s/\s+\*\*.*$//; # Remove stuff like ** INVALID ** and ** FUNKY **
$xtag =~ tr/_/\./ if ( $opt_u );
$xtag =~ s/[\/]/$opt_s/g;
-
- my $pid = open2($in, $out, 'git-mktag');
- print $out "object $cid\n".
- "type commit\n".
- "tag $xtag\n".
- "tagger $author_name <$author_email>\n"
- or die "Cannot create tag object $xtag: $!\n";
- close($out)
- or die "Cannot create tag object $xtag: $!\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 $xtag: $!\n";
- }
-
-
- open(C,">$git_dir/refs/tags/$xtag")
+ $xtag =~ s/\[//g;
+
+ system('git' , 'tag', '-f', $xtag, $cid) == 0
or die "Cannot create tag $xtag: $!\n";
- print C "$tagobj\n"
- or die "Cannot write tag $xtag: $!\n";
- close(C)
- or die "Cannot write tag $xtag: $!\n";
print "Created tag '$xtag' on '$branch'\n" if $opt_v;
}
};
my $commitcount = 1;
-while(<CVS>) {
+while (<CVS>) {
chomp;
- if($state == 0 and /^-+$/) {
+ if ($state == 0 and /^-+$/) {
$state = 1;
- } elsif($state == 0) {
+ } elsif ($state == 0) {
$state = 1;
redo;
- } elsif(($state==0 or $state==1) and s/^PatchSet\s+//) {
+ } elsif (($state==0 or $state==1) and s/^PatchSet\s+//) {
$patchset = 0+$_;
$state=2;
- } elsif($state == 2 and s/^Date:\s+//) {
+ } elsif ($state == 2 and s/^Date:\s+//) {
$date = pdate($_);
- unless($date) {
+ unless ($date) {
print STDERR "Could not parse date: $_\n";
$state=0;
next;
}
$state=3;
- } elsif($state == 3 and s/^Author:\s+//) {
+ } elsif ($state == 3 and s/^Author:\s+//) {
s/\s+$//;
if (/^(.*?)\s+<(.*)>/) {
($author_name, $author_email) = ($1, $2);
$author_name = $author_email = $_;
}
$state = 4;
- } elsif($state == 4 and s/^Branch:\s+//) {
+ } elsif ($state == 4 and s/^Branch:\s+//) {
s/\s+$//;
+ tr/_/\./ if ( $opt_u );
s/[\/]/$opt_s/g;
$branch = $_;
$state = 5;
- } elsif($state == 5 and s/^Ancestor branch:\s+//) {
+ } elsif ($state == 5 and s/^Ancestor branch:\s+//) {
s/\s+$//;
$ancestor = $_;
$ancestor = $opt_o if $ancestor eq "HEAD";
$state = 6;
- } elsif($state == 5) {
+ } elsif ($state == 5) {
$ancestor = undef;
$state = 6;
redo;
- } elsif($state == 6 and s/^Tag:\s+//) {
+ } elsif ($state == 6 and s/^Tag:\s+//) {
s/\s+$//;
- if($_ eq "(none)") {
+ if ($_ eq "(none)") {
$tag = undef;
} else {
$tag = $_;
}
$state = 7;
- } elsif($state == 7 and /^Log:/) {
+ } elsif ($state == 7 and /^Log:/) {
$logmsg = "";
$state = 8;
- } elsif($state == 8 and /^Members:/) {
+ } elsif ($state == 8 and /^Members:/) {
$branch = $opt_o if $branch eq "HEAD";
- if(defined $branch_date{$branch} and $branch_date{$branch} >= $date) {
+ if (defined $branch_date{$branch} and $branch_date{$branch} >= $date) {
# skip
print "skip patchset $patchset: $date before $branch_date{$branch}\n" if $opt_v;
$state = 11;
next;
}
+ if (!$opt_a && $starttime - 300 - (defined $opt_z ? $opt_z : 300) <= $date) {
+ # skip if the commit is too recent
+ # given that the cvsps default fuzz is 300s, we give ourselves another
+ # 300s just in case -- this also prevents skipping commits
+ # due to server clock drift
+ print "skip patchset $patchset: $date too recent\n" if $opt_v;
+ $state = 11;
+ next;
+ }
if (exists $ignorebranch{$branch}) {
print STDERR "Skipping $branch\n";
$state = 11;
next;
}
- if($ancestor) {
- if($ancestor eq $branch) {
+ if ($ancestor) {
+ if ($ancestor eq $branch) {
print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
$ancestor = $opt_o;
}
- if(-f "$git_dir/refs/heads/$branch") {
+ if (defined get_headref("$remote/$branch")) {
print STDERR "Branch $branch already exists!\n";
$state=11;
next;
}
- unless(open(H,"$git_dir/refs/heads/$ancestor")) {
+ my $id = get_headref("$remote/$ancestor");
+ if (!$id) {
print STDERR "Branch $ancestor does not exist!\n";
$ignorebranch{$branch} = 1;
$state=11;
next;
}
- chomp(my $id = <H>);
- close(H);
- unless(open(H,"> $git_dir/refs/heads/$branch")) {
- print STDERR "Could not create branch $branch: $!\n";
+
+ system(qw(git update-ref -m cvsimport),
+ "$remote/$branch", $id);
+ if($? != 0) {
+ print STDERR "Could not create branch $branch\n";
$ignorebranch{$branch} = 1;
$state=11;
next;
}
- print H "$id\n"
- or die "Could not write branch $branch: $!";
- close(H)
- or die "Could not write branch $branch: $!";
- }
- if(($ancestor || $branch) ne $last_branch) {
- print "Switching from $last_branch to $branch\n" if $opt_v;
- unless ($index{$branch}) {
- $index{$branch} = tmpnam();
- $ENV{GIT_INDEX_FILE} = $index{$branch};
- system("git-read-tree", $branch);
- die "read-tree failed: $?\n" if $?;
- }
- # just in case
- $ENV{GIT_INDEX_FILE} = $index{$branch};
- if ($ancestor) {
- print "have ancestor $ancestor" if $opt_v;
- system("git-read-tree", $ancestor);
- die "read-tree failed: $?\n" if $?;
- }
- } else {
- # just in case
- unless ($index{$branch}) {
- $index{$branch} = tmpnam();
- $ENV{GIT_INDEX_FILE} = $index{$branch};
- system("git-read-tree", $branch);
- die "read-tree failed: $?\n" if $?;
- }
}
$last_branch = $branch if $branch ne $last_branch;
$state = 9;
- } elsif($state == 8) {
+ } elsif ($state == 8) {
$logmsg .= "$_\n";
- } elsif($state == 9 and /^\s+(.+?):(INITIAL|\d+(?:\.\d+)+)->(\d+(?:\.\d+)+)\s*$/) {
+ } elsif ($state == 9 and /^\s+(.+?):(INITIAL|\d+(?:\.\d+)+)->(\d+(?:\.\d+)+)\s*$/) {
# VERSION:1.96->1.96.2.1
my $init = ($2 eq "INITIAL");
my $fn = $1;
push(@skipped, $fn);
next;
}
+ push @commit_revisions, [$fn, $rev];
print "Fetching $fn v $rev\n" if $opt_v;
my ($tmpname, $size) = $cvs->file($fn,$rev);
- if($size == -1) {
+ if ($size == -1) {
push(@old,$fn);
print "Drop $fn\n" if $opt_v;
} else {
my $pid = open(my $F, '-|');
die $! unless defined $pid;
if (!$pid) {
- exec("git-hash-object", "-w", $tmpname)
+ exec("git", "hash-object", "-w", $tmpname)
or die "Cannot create object: $!\n";
}
my $sha = <$F>;
push(@new,[$mode, $sha, $fn]); # may be resurrected!
}
unlink($tmpname);
- } elsif($state == 9 and /^\s+(.+?):\d+(?:\.\d+)+->(\d+(?:\.\d+)+)\(DEAD\)\s*$/) {
+ } elsif ($state == 9 and /^\s+(.+?):\d+(?:\.\d+)+->(\d+(?:\.\d+)+)\(DEAD\)\s*$/) {
my $fn = $1;
+ my $rev = $2;
$fn =~ s#^/+##;
+ push @commit_revisions, [$fn, $rev];
push(@old,$fn);
print "Delete $fn\n" if $opt_v;
- } elsif($state == 9 and /^\s*$/) {
+ } elsif ($state == 9 and /^\s*$/) {
$state = 10;
- } elsif(($state == 9 or $state == 10) and /^-+$/) {
+ } elsif (($state == 9 or $state == 10) and /^-+$/) {
$commitcount++;
if ($opt_L && $commitcount > $opt_L) {
last;
}
commit();
if (($commitcount & 1023) == 0) {
- system("git repack -a -d");
+ system(qw(git repack -a -d));
}
$state = 1;
- } elsif($state == 11 and /^-+$/) {
+ } elsif ($state == 11 and /^-+$/) {
$state = 1;
- } elsif(/^-+$/) { # end of unknown-line processing
+ } elsif (/^-+$/) { # end of unknown-line processing
$state = 1;
- } elsif($state != 11) { # ignore stuff when skipping
- print "* UNKNOWN LINE * $_\n";
+ } elsif ($state != 11) { # ignore stuff when skipping
+ print STDERR "* UNKNOWN LINE * $_\n";
}
}
commit() if $branch and $state != 11;
+unless ($opt_P) {
+ unlink($cvspsfile);
+}
+
+# The heuristic of repacking every 1024 commits can leave a
+# lot of unpacked data. If there is more than 1MB worth of
+# not-packed objects, repack once more.
+my $line = `git count-objects`;
+if ($line =~ /^(\d+) objects, (\d+) kilobytes$/) {
+ my ($n_objects, $kb) = ($1, $2);
+ 1024 < $kb
+ and system(qw(git repack -a -d));
+}
+
foreach my $git_index (values %index) {
- unlink($git_index);
+ if ($git_index ne "$git_dir/index") {
+ unlink($git_index);
+ }
}
if (defined $orig_git_index) {
}
# Now switch back to the branch we were in before all of this happened
-if($orig_branch) {
+if ($orig_branch) {
print "DONE.\n" if $opt_v;
if ($opt_i) {
exit 0;
}
- my $tip_at_end = `git-rev-parse --verify HEAD`;
+ my $tip_at_end = `git rev-parse --verify HEAD`;
if ($tip_at_start ne $tip_at_end) {
for ($tip_at_start, $tip_at_end) { chomp; }
print "Fetched into the current branch.\n" if $opt_v;
- system(qw(git-read-tree -u -m),
+ system(qw(git read-tree -u -m),
$tip_at_start, $tip_at_end);
die "Fast-forward update failed: $?\n" if $?;
}
else {
- system(qw(git-merge cvsimport HEAD), "refs/heads/$opt_o");
+ system(qw(git merge cvsimport HEAD), "$remote/$opt_o");
die "Could not merge $opt_o into the current branch.\n" if $?;
}
} else {
$orig_branch = "master";
print "DONE; creating $orig_branch branch\n" if $opt_v;
- system("git-update-ref", "refs/heads/master", "refs/heads/$opt_o")
- unless -f "$git_dir/refs/heads/master";
- system('git-update-ref', 'HEAD', "$orig_branch");
+ system("git", "update-ref", "refs/heads/master", "$remote/$opt_o")
+ unless defined get_headref('refs/heads/master');
+ system("git", "symbolic-ref", "$remote/HEAD", "$remote/$opt_o")
+ if ($opt_r && $opt_o ne 'HEAD');
+ system('git', 'update-ref', 'HEAD', "$orig_branch");
unless ($opt_i) {
- system('git checkout');
+ system(qw(git checkout -f));
die "checkout failed: $?\n" if $?;
}
}