lxc: export systemd cgroups after install

otherwise, a user would have to either manually run /etc/init.d/lxc-auto
boot or reboot the system to start using lxc.

originally committed in 2cde10b95053bf958a4001fb0a82c4563bf345e2
reverted in 039912dec5d3ba2b0f6f53ab8330ab9fea2f7adf

Signed-off-by: Michal Vasilek <michal.vasilek@nic.cz>
(cherry picked from commit 7da73565399f915f516c6cdd74a58f984d519e4b)

diff --git a/utils/lxc/Makefile b/utils/lxc/Makefile
index c45ecc5f9190e4838a2ef3b1e67a82dd35362ceb..5518730058cd575c025d68443cb5dd10ece7ceed 100644 (file)
--- a/utils/lxc/Makefile
+++ b/utils/lxc/Makefile
@@ -61,6 +61,10 @@ define Package/lxc-auto
   DEPENDS+=+lxc-start +lxc-stop
 endef
 
+define Package/lxc-auto/postinst
+[ -n "$${IPKG_INSTROOT}" ] || [ "$${PKG_UPGRADE}" = 1 ] || /etc/init.d/lxc-auto boot
+endef
+
 define Package/lxc-auto/description
  LXC is the userspace control package for Linux Containers, a lightweight
  virtual system mechanism sometimes described as "chroot on steroids".