$SIG{'PIPE'}="IGNORE";
$ENV{'TZ'}="UTC";
-our($opt_h,$opt_o,$opt_v,$opt_d,$opt_p,$opt_C,$opt_z);
+our($opt_h,$opt_o,$opt_v,$opt_k,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_s,$opt_m,$opt_M);
sub usage() {
print STDERR <<END;
Usage: ${\basename $0} # fetch/update GIT from CVS
[ -o branch-for-HEAD ] [ -h ] [ -v ] [ -d CVSROOT ]
[ -p opts-for-cvsps ] [ -C GIT_repository ] [ -z fuzz ]
- [ CVS_module ]
+ [ -i ] [ -k ] [-s subst] [ -m ] [ -M regex] [ CVS_module ]
END
exit(1);
}
-getopts("hqvo:d:p:C:z:") or usage();
+getopts("hivmko:d:p:C:z:s:M:") or usage();
usage if $opt_h;
@ARGV <= 1 or usage();
die "CVSROOT needs to be set";
}
$opt_o ||= "origin";
+$opt_s ||= "-";
my $git_tree = $opt_C;
$git_tree ||= ".";
die 'Failed to open CVS/Repository';
$cvs_tree = <$f>;
chomp $cvs_tree;
- close $f
+ close $f;
} else {
usage();
}
+our @mergerx = ();
+if ($opt_m) {
+ @mergerx = ( qr/\W(?:from|of|merge|merging|merged) (\w+)/i );
+}
+if ($opt_M) {
+ push (@mergerx, qr/$opt_M/);
+}
+
select(STDERR); $|=1; select(STDOUT);
$self->{'socketo'}->write("Root $repo\n");
# Trial and error says that this probably is the minimum set
- $self->{'socketo'}->write("Valid-responses ok error Valid-requests Mode M Mbinary E F Checked-in Created Updated Merged Removed\n");
+ $self->{'socketo'}->write("Valid-responses ok error Valid-requests Mode M Mbinary E Checked-in Created Updated Merged Removed\n");
$self->{'socketo'}->write("valid-requests\n");
$self->{'socketo'}->flush();
my($self,$fn,$rev) = @_;
$self->{'socketo'}->write("Argument -N\n") or return undef;
$self->{'socketo'}->write("Argument -P\n") or return undef;
- # $self->{'socketo'}->write("Argument -ko\n") or return undef;
- # -ko: Linus' version doesn't use it
+ # -kk: Linus' version doesn't use it - defaults to off
+ if ($opt_k) {
+ $self->{'socketo'}->write("Argument -kk\n") or return undef;
+ }
$self->{'socketo'}->write("Argument -r\n") or return undef;
$self->{'socketo'}->write("Argument $rev\n") or return undef;
$self->{'socketo'}->write("Argument --\n") or return undef;
return $res;
} elsif($line =~ s/^E //) {
# print STDERR "S: $line\n";
+ } elsif($line =~ /^Remove-entry /i) {
+ $line = $self->readline(); # filename
+ $line = $self->readline(); # OK
+ chomp $line;
+ die "Unknown: $line" if $line ne "ok";
+ return -1;
} else {
die "Unknown: $line\n";
}
$res = $self->_line($fh);
die "No input: $fn $rev\n" unless defined $res;
}
+ close ($fh);
return ($name, $res);
}
return $m;
}
-my $tmpcv = "/var/cache/cvs";
-
sub getwd() {
my $pwd = `pwd`;
chomp $pwd;
return $pwd;
}
+
+sub get_headref($$) {
+ my $name = shift;
+ my $git_dir = shift;
+ my $sha;
+
+ if (open(C,"$git_dir/refs/heads/$name")) {
+ chomp($sha = <C>);
+ close(C);
+ length($sha) == 40
+ or die "Cannot get head id for $name ($sha): $!\n";
+ }
+ return $sha;
+}
+
+
-d $git_tree
or mkdir($git_tree,0777)
or die "Could not create $git_tree: $!";
my $last_branch = "";
my $orig_branch = "";
+my $forward_master = 0;
my %branch_date;
my $git_dir = $ENV{"GIT_DIR"} || ".git";
$last_branch = "master";
}
$orig_branch = $last_branch;
+ if (-f "$git_dir/CVS2GIT_HEAD") {
+ die <<EOM;
+CVS2GIT_HEAD exists.
+Make sure your working directory corresponds to HEAD and remove CVS2GIT_HEAD.
+You may need to run
+
+ git-read-tree -m -u CVS2GIT_HEAD HEAD
+EOM
+ }
+ system('cp', "$git_dir/HEAD", "$git_dir/CVS2GIT_HEAD");
+
+ $forward_master =
+ $opt_o ne 'master' && -f "$git_dir/refs/heads/master" &&
+ system('cmp', '-s', "$git_dir/refs/heads/master",
+ "$git_dir/refs/heads/$opt_o") == 0;
# populate index
system('git-read-tree', $last_branch);
+ die "read-tree failed: $?\n" if $?;
# Get the last import timestamps
opendir(D,"$git_dir/refs/heads");
print "Parent ID $parent\n" if $opt_v;
}
- my $pr = IO::Pipe->new();
- my $pw = IO::Pipe->new();
+ my $pr = IO::Pipe->new() or die "Cannot open pipe: $!\n";
+ my $pw = IO::Pipe->new() or die "Cannot open pipe: $!\n";
$pid = fork();
die "Fork: $!\n" unless defined $pid;
unless($pid) {
my @par = ();
@par = ("-p",$parent) if $parent;
+
+ # loose detection of merges
+ # based on the commit msg
+ foreach my $rx (@mergerx) {
+ if ($logmsg =~ $rx) {
+ my $mparent = $1;
+ if ($mparent eq 'HEAD') { $mparent = $opt_o };
+ if ( -e "$git_dir/refs/heads/$mparent") {
+ $mparent = get_headref($mparent, $git_dir);
+ push @par, '-p', $mparent;
+ # printing here breaks import #
+ # # print "Merge parent branch: $mparent\n" if $opt_v;
+ }
+ }
+ }
+
exec("env",
"GIT_AUTHOR_NAME=$author",
"GIT_AUTHOR_EMAIL=$author",
or die "Error writing to git-commit-tree: $!\n";
$pw->close();
- print "Committed patch $patchset ($branch)\n" if $opt_v;
+ print "Committed patch $patchset ($branch ".strftime("%Y-%m-%d %H:%M:%S",gmtime($date)).")\n" if $opt_v;
chomp(my $cid = <$pr>);
length($cid) == 40
or die "Cannot get commit id ($cid): $!\n";
$state = 4;
} elsif($state == 4 and s/^Branch:\s+//) {
s/\s+$//;
+ s/[\/]/$opt_s/g;
$branch = $_;
$state = 5;
} elsif($state == 5 and s/^Ancestor branch:\s+//) {
$state = 9;
} elsif($state == 8) {
$logmsg .= "$_\n";
- } elsif($state == 9 and /^\s+(\S+):(INITIAL|\d(?:\.\d+)+)->(\d(?:\.\d+)+)\s*$/) {
+ } 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;
my $rev = $3;
$fn =~ s#^/+##;
my ($tmpname, $size) = $cvs->file($fn,$rev);
- print "".($init ? "New" : "Update")." $fn: $size bytes.\n" if $opt_v;
- open my $F, '-|', "git-write-blob $tmpname"
- or die "Cannot create object: $!\n";
- my $sha = <$F>;
- chomp $sha;
- close $F;
+ if($size == -1) {
+ push(@old,$fn);
+ print "Drop $fn\n" if $opt_v;
+ } else {
+ print "".($init ? "New" : "Update")." $fn: $size bytes\n" if $opt_v;
+ open my $F, '-|', "git-hash-object -w $tmpname"
+ or die "Cannot create object: $!\n";
+ my $sha = <$F>;
+ chomp $sha;
+ close $F;
+ my $mode = pmode($cvs->{'mode'});
+ push(@new,[$mode, $sha, $fn]); # may be resurrected!
+ }
unlink($tmpname);
- my $mode = pmode($cvs->{'mode'});
- push(@new,[$mode, $sha, $fn]); # may be resurrected!
- } elsif($state == 9 and /^\s+(\S+):\d(?:\.\d+)+->(\d(?:\.\d+)+)\(DEAD\)\s*$/) {
+ } elsif($state == 9 and /^\s+(.+?):\d+(?:\.\d+)+->(\d+(?:\.\d+)+)\(DEAD\)\s*$/) {
my $fn = $1;
$fn =~ s#^/+##;
push(@old,$fn);
+ print "Delete $fn\n" if $opt_v;
} elsif($state == 9 and /^\s*$/) {
$state = 10;
} elsif(($state == 9 or $state == 10) and /^-+$/) {
unlink($git_index);
+if (defined $orig_git_index) {
+ $ENV{GIT_INDEX_FILE} = $orig_git_index;
+} else {
+ delete $ENV{GIT_INDEX_FILE};
+}
+
# Now switch back to the branch we were in before all of this happened
if($orig_branch) {
print "DONE\n" if $opt_v;
+ system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master")
+ if $forward_master;
+ unless ($opt_i) {
+ system('git-read-tree', '-m', '-u', 'CVS2GIT_HEAD', 'HEAD');
+ die "read-tree failed: $?\n" if $?;
+ }
} else {
$orig_branch = "master";
print "DONE; creating $orig_branch branch\n" if $opt_v;
unless -f "$git_dir/refs/heads/master";
unlink("$git_dir/HEAD");
symlink("refs/heads/$orig_branch","$git_dir/HEAD");
- if (defined $orig_git_index) {
- $ENV{GIT_INDEX_FILE} = $orig_git_index;
- } else {
- delete $ENV{GIT_INDEX_FILE};
+ unless ($opt_i) {
+ system('git checkout');
+ die "checkout failed: $?\n" if $?;
}
- system('git checkout');
- die "checkout failed: $?\n" if $?;
}
+unlink("$git_dir/CVS2GIT_HEAD");