if running ./gb start and another gb is already bound on the port

then quickly exit(0) and have the bash keep alive loop exit the loop
based on that return value. we can't use ./cleanexit file because it
doesn't get remove and will mess up the main process that is running.

main.cpp

@@ -3094,8 +3094,10 @@ int main2 ( int argc , char *argv[] ) {
 	// failing because another process is already running using this port
 	//if ( ! g_udpServer.testBind ( g_hostdb.getMyPort() ) )
 	if ( ! g_httpServer.m_tcp.testBind(g_hostdb.getMyHost()->m_httpPort,
-					   true)) // printmsg? 
-		return 1;
+					   true)) {// printmsg? 
+		// return 0 so keep alive bash loop exits
+		exit(0);
+	}
 
 	int32_t *ips;
 	// char tmp[64];
@@ -5339,10 +5341,20 @@ int install ( install_flag_konst_t installFlag , int32_t hostId , char *dir ,
 				" ;"
 
 				// this doesn't always work so use
-				// the cleanexit file approach
-				//"EXITSTATUS=\\$? ; "
+				// the cleanexit file approach.
+				// but if we run a second gb accidentally
+				// it would write a ./cleanexit file 
+				// to get out of its loop and it wouldn't
+				// be deleted! crap. so try this again
+				// for this short cases when we exit right
+				// away.
+				"EXITSTATUS=\\$? ; "
+				// if gb does exit(0) then stop
+				"if [ \\$EXITSTATUS = 0 ]; then break; fi;"
 
-				// stop if ./cleanexit is there
+				// also stop if ./cleanexit is there
+				// because the above exit(0) does not always
+				// work for some strange reasons
 				"if [ -f \"./cleanexit\" ]; then  break; fi;"
 				"%s"
 				"ADDARGS='-r'\\$INC ; "