lxc: kill use of susv2 'head' args

Without enabling INCLUDE_SUSv2 in busybox, we need to use head's -n argument,
rather than -#.

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>

recipes-containers/lxc/files/lxc-0.9.0-use-susv3-head-arguments.patch

@@ -0,0 +1,46 @@
+Upstream-status: Pending
+
+--- lxc-0.9.0.orig/src/lxc/lxc-checkconfig.in
++++ lxc-0.9.0/src/lxc/lxc-checkconfig.in
+@@ -67,7 +67,7 @@ print_cgroups() {
+   awk '$1 !~ /#/ && $3 == mp { print $2; } ; END { exit(0); } '  "mp=$1" "$2" ;
+ }
+
+-CGROUP_MNT_PATH=`print_cgroups cgroup /proc/self/mounts | head -1`
++CGROUP_MNT_PATH=`print_cgroups cgroup /proc/self/mounts | head -n 1`
+ KVER_MAJOR=$($GREP '^# Linux' $CONFIG | \
+     sed -r 's/.* ([0-9])\.[0-9]{1,2}\.[0-9]{1,3}.*/\1/')
+ if [ "$KVER_MAJOR" = "2" ]; then
+--- lxc-0.9.0.orig/src/lxc/lxc-netstat.in
++++ lxc-0.9.0/src/lxc/lxc-netstat.in
+@@ -107,7 +107,7 @@ if [ ! -d "$parent_cgroup" ]; then
+     exit 1
+ fi
+
+-pid=$(head -1 $parent_cgroup/$name/tasks)
++pid=$(head -n 1 $parent_cgroup/$name/tasks)
+
+ if [ -z "$pid" ]; then
+     echo "$(basename $0): no process found for '$name'" >&2
+--- lxc-0.9.0.orig/templates/lxc-alpine.in
++++ lxc-0.9.0/templates/lxc-alpine.in
+@@ -99,7 +99,7 @@ EOF
+     if [ "$nics" -eq 1 ] && ! grep -q "^lxc.network.hwaddr" $path/config; then
+         # see http://sourceforge.net/tracker/?func=detail&aid=3411497&group_id=163076&atid=826303
+         hwaddr="fe:$(dd if=/dev/urandom bs=8 count=1 2>/dev/null |od -t x8 | \
+-                      head -1 |awk '{print $2}' | cut -c1-10 |\
++                      head -n 1 |awk '{print $2}' | cut -c1-10 |\
+                       sed 's/\(..\)/\1:/g; s/.$//')"
+         echo "lxc.network.hwaddr = $hwaddr" >> $path/config
+     fi
+--- lxc-0.9.0.orig/templates/lxc-oracle.in
++++ lxc-0.9.0/templates/lxc-oracle.in
+@@ -327,7 +327,7 @@ container_config_create()
+     # generate a hwaddr for the container with a high mac address
+     # see http://sourceforge.net/tracker/?func=detail&aid=3411497&group_id=163076&atid=826303
+     local hwaddr="fe:`dd if=/dev/urandom bs=8 count=1 2>/dev/null |od -t x8 | \
+-                      head -1 |awk '{print $2}' | cut -c1-10 |\
++                      head -n 1 |awk '{print $2}' | cut -c1-10 |\
+                       sed 's/\(..\)/\1:/g; s/.$//'`"
+     mkdir -p $cfg_dir || die "unable to create config dir $cfg_dir"
+     cat <<EOF >> $cfg_dir/config || die "unable to create $cfg_dir/config"

recipes-containers/lxc/lxc_0.9.0.bb

@@ -27,6 +27,7 @@ SRC_URI = "http://linuxcontainers.org/downloads/${BPN}-${PV}.tar.gz \
 	file://lxc-0.9.0-check-when-bind-mounting-libdirs.patch \
 	file://lxc-0.9.0-don-t-let-LXC_PATH-end-in-failure.patch \
 	file://lxc-0.9.0-setup_netdev-re-read-ifindex-in-LXC_NET_PHYS-case.patch \
+	file://lxc-0.9.0-use-susv3-head-arguments.patch \
 	"
 SRC_URI[md5sum] = "8552a4479090616f4bc04d8473765fc9"
 SRC_URI[sha256sum] = "1e1767eae6cc5fbf892c0e193d25da420ba19f2db203716c38f7cdea3b654120"