blob: 2c3c9b9622e2196ae75524f3ce74dc310064c38b [file] [log] [blame]
#!/bin/sh
# Copyright 2022 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Gets the stateful partition name.
# Used for recovery while booted from MiniOs.
get_stateful_partition() {
local DST
. /usr/bin/write_gpt.sh
. /usr/share/misc/chromeos-common.sh
load_base_vars
DST="$(get_fixed_dst_drive)"
if [ -z "${DST}" ]; then
return 1
fi
if [ "${DST%[0-9]}" = "${DST}" ]; then
# e.g. sda => sda1
printf '%s' "${DST}1"
else
# e.g. mmcblk0 => mmcblk0p1
printf '%s' "${DST}p1"
fi
}
mount_stateful_partition() {
local stateful
if ! mountpoint -q /stateful; then
if stateful="$(get_stateful_partition)"; then
mount "${stateful}" /stateful
else
return 1
fi
fi
}
main() {
set -e
if [ "$1" = "--mount" ]; then
mount_stateful_partition
else
get_stateful_partition
fi
}
main "$@"