From 8bc040c70b0ef8655495dc741c0cb3eb3152f9ed Mon Sep 17 00:00:00 2001
From: Holger Levsen <holger@layer-acht.org>
Date: Tue, 13 Jun 2017 23:48:43 +0200
Subject: reproducible Debian: add check for writeable /tmp

Signed-off-by: Holger Levsen <holger@layer-acht.org>
---
 bin/reproducible_node_health_check.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/bin/reproducible_node_health_check.sh b/bin/reproducible_node_health_check.sh
index 6f6f71ba..9936a0f4 100755
--- a/bin/reproducible_node_health_check.sh
+++ b/bin/reproducible_node_health_check.sh
@@ -37,6 +37,17 @@ show_fstab_and_mounts() {
 #
 set -e
 
+#
+# is the filesystem writetable?
+#
+echo "$(date -u) - testing whether /tmp is writable..."
+$TEST=$(mktemp --tmpdir=/tmp rwtest-XXXXXX)
+if [ -z "$TEST" ] ; then
+	echo "Failure to write a file in /tmp, assuming read-only filesystem."
+	exit 1
+fi
+rm $TEST > /dev/null
+
 #
 # check for /dev/shm being mounted properly
 #
-- 
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