From 73c569ea506161b0a085b538d62b9a1f4aaad198 Mon Sep 17 00:00:00 2001
From: Xon <tazipper1@hotmail.com>
Date: Mon, 16 Sep 2013 01:45:57 +0800
Subject: [PATCH] Alix 2D6 crashes upgrade process withou out of diskspace

Updating the the RRD graphs causes two copies of each RRD's XML file to be stored in /tmp.

On Nanobsd, the default /tmp size is 40mb. It doesn't require very many RRD XML dumps before this is exhausted.
---
 etc/inc/upgrade_config.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/etc/inc/upgrade_config.inc b/etc/inc/upgrade_config.inc
index 1c17215654..225bc0e219 100644
--- a/etc/inc/upgrade_config.inc
+++ b/etc/inc/upgrade_config.inc
@@ -2787,7 +2787,9 @@ function upgrade_080_to_081() {
 		file_put_contents("{$g['tmp_path']}/{$xmldumpnew}", $xml);
 		mwexec("$rrdtool restore -f {$g['tmp_path']}/{$xmldumpnew} {$rrddbpath}/{$database} 2>&1");
 		unset($xml);
-
+		# Default /tmp tmpfs is ~40mb, do not leave temp files around
+		unlink("{$g['tmp_path']}/{$xmldump}");
+		unlink("{$g['tmp_path']}/{$xmldumpnew}");
 	}
 	enable_rrd_graphing();
 	/* Let's save the RRD graphs after we run enable RRD graphing */