$SIG{'PIPE'}="IGNORE";
$ENV{'TZ'}="UTC";
-our($opt_h,$opt_o,$opt_v,$opt_d);
+our($opt_h,$opt_o,$opt_v,$opt_d,$opt_p,$opt_C);
sub usage() {
print STDERR <<END;
Usage: ${\basename $0} # fetch/update GIT from CVS
[ -o branch-for-HEAD ] [ -h ] [ -v ] [ -d CVSROOT ]
- CVS_module [ GIT_repository ]
+ [ -p opts-for-cvsps ] [ -C GIT_repository ]
+ [ CVS_module ]
END
exit(1);
}
-getopts("hqvo:d:") or usage();
+getopts("hqvo:d:p:C:") or usage();
usage if $opt_h;
-@ARGV == 1 or @ARGV == 2 or usage();
-
-my($cvs_tree, $git_tree) = @ARGV;
+@ARGV <= 1 or usage();
if($opt_d) {
$ENV{"CVSROOT"} = $opt_d;
+} 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"}) {
$opt_d = $ENV{"CVSROOT"};
} else {
die "CVSROOT needs to be set";
}
$opt_o ||= "origin";
+my $git_tree = $opt_C;
$git_tree ||= ".";
+my $cvs_tree;
+if ($#ARGV == 0) {
+ $cvs_tree = $ARGV[0];
+} elsif (-f 'CVS/Repository') {
+ open my $f, '<', 'CVS/Repository' or
+ die 'Failed to open CVS/Repository';
+ $cvs_tree = <$f>;
+ chomp $cvs_tree;
+ close $f
+} else {
+ usage();
+}
+
select(STDERR); $|=1; select(STDOUT);
$self->{'socketo'}->write("Argument $self->{'subdir'}/$fn\n") or return undef;
$self->{'socketo'}->write("Directory .\n") or return undef;
$self->{'socketo'}->write("$self->{'repo'}\n") or return undef;
- $self->{'socketo'}->write("Sticky T1.1\n") or return undef;
+ # $self->{'socketo'}->write("Sticky T1.0\n") or return undef;
$self->{'socketo'}->write("co\n") or return undef;
$self->{'socketo'}->flush() or return undef;
$self->{'lines'} = 0;
chdir($git_tree);
my $last_branch = "";
+my $orig_branch = "";
my %branch_date;
my $git_dir = $ENV{"GIT_DIR"} || ".git";
die "Cannot init an empty tree: $?\n" if $?;
$last_branch = $opt_o;
+ $orig_branch = "";
} else {
+ -f "$git_dir/refs/head/$opt_o"
+ or die "Branch '$opt_o' does not exist.\n".
+ "Either use the correct '-o branch' option,\n".
+ "or import to a new repository.\n";
+
$last_branch = basename(readlink("$git_dir/HEAD"));
- die "Cannot read the last branch name: $!\n" unless $last_branch;
+ unless($last_branch) {
+ warn "Cannot read the last branch name: $! -- assuming 'master'\n";
+ $last_branch = "master";
+ }
+ $orig_branch = $last_branch;
# Get the last import timestamps
opendir(D,"$git_dir/refs/heads");
my $pid = open(CVS,"-|");
die "Cannot fork: $!\n" unless defined $pid;
unless($pid) {
- exec("cvsps","-A","--cvs-direct",$cvs_tree);
+ my @opt;
+ @opt = split(/,/,$opt_p) if defined $opt_p;
+ exec("cvsps",@opt,"-x","-A","--cvs-direct",'--root',$opt_d,$cvs_tree);
die "Could not start cvsps: $!\n";
}
my(@old,@new);
my $commit = sub {
my $pid;
- system("git-update-cache","--force-remove","--",@old) if @old;
- die "Cannot remove files: $?\n" if $?;
- system("git-update-cache","--add","--",@new) if @new;
- die "Cannot add files: $?\n" if $?;
+ while(@old) {
+ my @o2;
+ if(@old > 55) {
+ @o2 = splice(@old,0,50);
+ } else {
+ @o2 = @old;
+ @old = ();
+ }
+ system("git-update-cache","--force-remove","--",@o2);
+ die "Cannot remove files: $?\n" if $?;
+ }
+ while(@new) {
+ my @n2;
+ if(@new > 55) {
+ @n2 = splice(@new,0,50);
+ } else {
+ @n2 = @new;
+ @new = ();
+ }
+ system("git-update-cache","--add","--",@n2);
+ die "Cannot add files: $?\n" if $?;
+ }
$pid = open(C,"-|");
die "Cannot fork: $!" unless defined $pid;
}
$pw->writer();
$pr->reader();
- print $pw $logmsg
+
+ # compatibility with git2cvs
+ substr($logmsg,32767) = "" if length($logmsg) > 32767;
+ $logmsg =~ s/[\s\n]+\z//;
+
+ print $pw "$logmsg\n"
or die "Error writing to git-commit-tree: $!\n";
$pw->close();
or die "Cannot write tag $branch: $!\n";
print "Created tag '$tag' on '$branch'\n" if $opt_v;
}
-
- @old = ();
- @new = ();
};
while(<CVS>) {
} elsif($state == 5 and s/^Ancestor branch:\s+//) {
s/\s+$//;
$ancestor = $_;
- $ancestor = $opt_o if $ancestor == "HEAD";
+ $ancestor = $opt_o if $ancestor eq "HEAD";
$state = 6;
} elsif($state == 5) {
$ancestor = undef;
}
if(($ancestor || $branch) ne $last_branch) {
print "Switching from $last_branch to $branch\n" if $opt_v;
- system("git-read-tree -m -u $last_branch $branch");
- die "read-tree $branch failed at $branch: $?\n" if $?;
+ system("git-read-tree","-m","-u","$last_branch","$branch");
+ die "read-tree failed: $?\n" if $?;
}
if($branch ne $last_branch) {
unlink("$git_dir/HEAD");
}
&$commit() if $branch and $state != 11;
-print "DONE\n" if $opt_v;
+# Now switch back to the branch we were in before all of this happened
+if($orig_branch) {
+ print "DONE; switching back to $orig_branch\n" if $opt_v;
+} else {
+ $orig_branch = "master";
+ print "DONE; creating $orig_branch branch\n" if $opt_v;
+ system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master")
+ unless -f "$git_dir/refs/heads/master";
+}
+
+system("git-read-tree","-m","-u","$last_branch","$orig_branch");
+die "read-tree failed: $?\n" if $?;
+
+unlink("$git_dir/HEAD");
+symlink("refs/heads/$orig_branch","$git_dir/HEAD");
+