1 files changed, 143 insertions, 0 deletions
diff --git a/modules/ports/drivers/rsync b/modules/ports/drivers/rsync
new file mode 100755
index 0000000..0908632
--- /dev/null
+++ b/modules/ports/drivers/rsync
@@ -0,0 +1,143 @@
+#!/usr/bin/perl
+#
+# /etc/ports/drivers/rsync: rsync(1) driver script for ports(8)
+#
+
+use warnings;
+use strict;
+use File::Basename;
+
+my $host = '';
+my $collection = '';
+my $destination = '';
+my %new_checkouts;
+my %old_checkouts;
+
+sub error
+{
+	my $message = shift;
+	print "Error: $message ($!)\nUpdating failed\n";
+	exit 1;
+}
+
+sub warning
+{
+	my $message = shift;
+	print "Warning: $message ($!)\n";
+}
+
+if ($#ARGV < 0)
+{
+	print "Usage: $0 <file>\n";
+	exit 1;
+}
+
+open(FILE, $ARGV[0]) or error("Couldn't open $ARGV[0]");
+while (<FILE>)
+{
+	chomp;
+	if    (/^host=(.*)/)        { $host = $1; }
+	elsif (/^collection=(.*)/)  { $collection = $1; }
+	elsif (/^destination=(.*)/) { $destination = $1; }
+}
+close(FILE);
+
+if ($host eq '')        { error("Host field not set in $ARGV[0]");        }
+if ($collection eq '')  { error("Collection field not set in $ARGV[0]");  }
+if ($destination eq '') { error("Destination field not set in $ARGV[0]"); }
+
+if (-e "$destination/.checkouts")
+{
+	# read the old .checkouts file into memory
+	open(FILE, "$destination/.checkouts") or error("Couldn't read checkouts from $destination/.checkouts");
+	while (<FILE>)
+	{
+		chomp;
+		$old_checkouts{$_} = 1;
+	}
+	close(FILE);
+}
+
+print "Updating file list from " . $host . "::$collection\n";
+
+# get the remote file list (new .checkouts)
+open(PIPE, 'rsync -crz rsync://' . $host . '/' . $collection . '|') or error("Couldn't open pipe to rsync");
+while (<PIPE>)
+{
+	chomp;
+
+	next if /^MOTD:/;	# ignore MOTD lines
+	s/^(.{43})//;		# ignore the first 43 characters (mode, date etc...)
+	next if /^.$/;		# ignore the . directory
+
+	$new_checkouts{$_} = 1;
+}
+close(PIPE);
+error("Running rsync failed") unless $? == 0;
+
+print "Updating collection " . basename($destination) . "\n";
+
+# now really run rsync
+open(PIPE, 'rsync -crz --exclude=.footprint.x86_64 --exclude=.md5sum.x86_64 --log-format "%o %n" rsync://' . $host . "/$collection $destination|") or error("Couldn't open pipe to rsync");
+while (<PIPE>)
+{
+	chomp;
+
+	if (/^recv (.*)/)
+	{
+		if ($old_checkouts{$1})
+		{
+			s/^recv/ Edit/;
+		}
+		else
+		{
+			s/^recv/ Checkout/;
+		}
+	}
+
+	print $_ . "\n";
+}
+close(PIPE);
+error("Running rsync failed") unless $? == 0;
+
+# save new checkouts into .checkouts
+open(FILE, ">$destination/.checkouts") or error("Couldn't save checkouts to $destination/.checkouts");
+foreach my $checkout (sort keys %new_checkouts)
+{
+	print FILE "$checkout\n";
+}
+close(FILE);
+
+# use chroot as an additional safety measure when removing files
+chroot($destination) or error("Couldn't chroot into $destination");
+chdir('/');
+
+# iterate through old checkouts, remove obsolete files
+foreach my $checkout (sort keys %old_checkouts)
+{
+	if (!$new_checkouts{$checkout})
+	{
+		if (-f $checkout)
+		{
+			print " Delete $checkout\n";
+			unlink($checkout) or warning("Couldn't delete $checkout");
+		}
+	}
+}
+
+# iterate through old checkouts, remove obsolete directories
+foreach my $checkout (sort keys %old_checkouts)
+{
+	if (!$new_checkouts{$checkout})
+	{
+		if (-d $checkout)
+		{
+			print " Delete $checkout\n";
+			rmdir($checkout) or warning("Couldn't delete $checkout");
+		}
+	}
+}
+
+print "Finished successfully\n";
+
+# End of file