| #!/bin/bash |
| # Copyright 2020 Google LLC |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| if ! mountpoint -q /opt; then |
| OEM_DIR=/usr/share/oem |
| mount -o remount,rw ${OEM_DIR} |
| mkdir ${OEM_DIR}/opt |
| mkdir ${OEM_DIR}/.opt_work |
| # Because /opt is read-only at the time systemd boots, |
| # We mount /usr/share/oem on top of /opt for now. Instead, |
| # We maybe take advantage of partition 9, 10, 11 instead of |
| # existing OEM parition 8, which was mounted into /usr/share/oem |
| mount -o lowerdir=/opt,upperdir=${OEM_DIR}/opt,workdir=${OEM_DIR}/.opt_work \ |
| -t overlay overlayfs /opt || |
| logger "Cannot mount /opt overlay" |
| fi |
