added esync.pl

esync.pl

@@ -0,0 +1,12 @@
+#!/usr/bin/perl -w
+use strict;
+
+my $pso = `ps -efww | grep emerge | grep -v grep`;
+
+if ($pso =~ /^\s*$/)
+{
+    system("emerge --sync");
+    exit (0);	# successful completion
+}
+
+exit (1);	# emerge already running