+else ifdef subvol
+ SYSROOT := sys_root_${release}/
+ CFGROOT := cfg_root/
+
+ _target: _install _config ${subvol}
+
+ _bootstrap:
+ _install: _bootstrap
+ _copy: _install
+ _config: _copy
+
+ ${subvol}: _config
+ btrfs sub snap "${CFG_ROOT}" "$@"
+