debian/qemu-user-static.postinst-in: remove arm64 qemu-user binfmt

Signed-off-by: Serge Hallyn <[email protected]>

debian/changelog

@@ -1,3 +1,10 @@
+qemu (1.7.0+dfsg-2ubuntu9) trusty; urgency=medium
+
+  * debian/qemu-user-static.postinst-in: remove arm64 qemu-user binfmt, which
+    may have been installed up to 1.6.0+dfsg-2ubuntu4 (LP: #1273654)
+
+ -- Serge Hallyn <[email protected]>  Tue, 28 Jan 2014 14:41:20 +0000
+
 qemu (1.7.0+dfsg-2ubuntu8) trusty; urgency=medium
 
   * SECURITY UPDATE: denial of service via virtio device hot-plugging

debian/qemu-user-static.postinst-in

@@ -12,3 +12,10 @@ if [ configure = "$1" ] && [ -x /usr/sbin/update-binfmts ]; then
 		fi
 	done
 fi
+
+if dpkg --compare-versions "$2" lt-nl 1.7.0+dfsg-2ubuntu9 \
+   && [ -x /usr/sbin/update-binfmts ] \
+   && [ -f /var/lib/binfmts/qemu-arm64 ]
+then
+	update-binfmts --package qemu-user-static --remove qemu-arm64 /usr/bin/qemu-arm64-static
+fi