Goal: Fix bashism

See http://bugs.debian.org/530064

Author: Mathieu Parent <math.parent@gmail.com>

Upstream status: https://bugzilla.samba.org/show_bug.cgi?id=6407

Index: b/config/events.d/00.ctdb
===================================================================
--- a/config/events.d/00.ctdb
+++ b/config/events.d/00.ctdb
@@ -27,7 +27,11 @@
 # periodic vacuum function
 periodic_vacuum() {
     # this cleans up dead records and repacks the databases
-    ( time ctdb vacuum 200000 -T 30; time ctdb repack -T 30 ) > $CTDB_BASE/state/vacuum.log 2>&1 &
+    if [ "$(command -v time)" ]; then
+        ( time ctdb vacuum 200000 -T 30; time ctdb repack -T 30 ) > $CTDB_BASE/state/vacuum.log 2>&1 &
+    else
+        ( ctdb vacuum 200000 -T 30; ctdb repack -T 30 ) > $CTDB_BASE/state/vacuum.log 2>&1 &
+    fi
 }
 
 case $cmd in 
Index: b/config/events.d/11.natgw
===================================================================
--- a/config/events.d/11.natgw
+++ b/config/events.d/11.natgw
@@ -44,7 +44,7 @@
 
 	delete_all
 
-	if [ "$MYPNN" == "$NATGWMASTER" ]; then
+	if [ "$MYPNN" = "$NATGWMASTER" ]; then
 		# This is the first node, set it up as the NAT GW
 		echo 1 >/proc/sys/net/ipv4/ip_forward
 		iptables -A POSTROUTING -t nat -s $CTDB_NATGW_PRIVATE_NETWORK -d ! $CTDB_NATGW_PRIVATE_NETWORK -j MASQUERADE
Index: b/config/events.d/20.multipathd
===================================================================
--- a/config/events.d/20.multipathd
+++ b/config/events.d/20.multipathd
@@ -87,7 +87,7 @@
 
      monitor)
 	multipathd_check
-	[ "$?" == "0" ] || {
+	[ "$?" = "0" ] || {
 		echo 20.multipathd: monitoring of multipathing failed
 		exit 1
 	}
Index: b/config/events.d/61.nfstickle
===================================================================
--- a/config/events.d/61.nfstickle
+++ b/config/events.d/61.nfstickle
@@ -25,13 +25,12 @@
      takeip)
 	iface=$1
 	ip=$2
-	shopt -s nullglob
 	# first send a grat arp, to ensure the client knows the updated
 	# mac address for this IP
 	ctdb gratiousarp $ip $iface
 	# send tickle acks for all the connections the old server had
 	for f in $NFS_TICKLE_SHARED_DIRECTORY/*/$ip; do
-		cat $f | while read dest; do
+		[ -f $f ] && cat $f | while read dest; do
 			dip=`echo $dest | cut -d: -f1`
 			dport=`echo $dest | cut -d: -f2`
 			# send three, in case of lost packets