templates: lxc-opensuse, use rpm to determine build version

zypper info's output is not usable for several reasons: * it is localized -- there is no "Version: " in my output * it shows results both from the repo and local system So use plain rpm to determine whether build is installed and if proper version is in place. Signed-off-by: Jiri Slaby <jslaby@suse.cz>

templates: lxc-opensuse, use rpm to determine build version
05698d7c · Jiri Slaby · Stéphane Graber · 4d7ca2e6 · 05698d7c
Commit 05698d7c authored Aug 05, 2015 by Jiri Slaby Committed by Stéphane Graber Aug 13, 2015
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lxc-opensuse.in templates/lxc-opensuse.in +2 -1

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--- a/templates/lxc-opensuse.in
+++ b/templates/lxc-opensuse.in
@@ -421,7 +421,8 @@ if [ -z "$path" ]; then
 fi

 if grep -q Harlequin /etc/os-release || grep -q Tumbleweed /etc/os-release ; then
-    if [[ "$(zypper info build|awk -F "[- ]" '/Version/ {print $2}')" -lt "20141120" ]] ; then
+    BVER=`rpm -q --qf '%{version}\n' build`
+    if [ $? -ne 0 -o "$BVER" -lt "20141120" ]; then
 	echo "Building openSUSE containers with your version of the build package is broken. Please install the update to version 20141120 or newer."
 	exit 1
    fi