1[Unit] 2Description=Bind mount volatile @where@ 3DefaultDependencies=no 4Before=local-fs.target 5RequiresMountsFor=@whatparent@ @whereparent@ 6ConditionPathIsReadWrite=@whatparent@ 7ConditionPathExists=@where@ 8ConditionPathIsReadWrite=!@where@ 9 10[Service] 11Type=oneshot 12RemainAfterExit=Yes 13TimeoutSec=0 14Environment=MOUNT_COPYBIND_AVOID_OVERLAYFS=@avoid_overlayfs@ 15ExecStart=/sbin/mount-copybind @what@ @where@ 16ExecStop=/bin/umount @where@ 17 18[Install] 19WantedBy=local-fs.target 20