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- #!/bin/sh
- # Copyright (C) 2010 Vertical Communications
- # This is free software, licensed under the GNU General Public License v2.
- # See /LICENSE for more information.
- # Determine if we are requested to mount external root
- external_root_pivot() {
- check_skip || [ "$pi_extroot_mount_success" != "true" ] || {
- echo "switching to external rootfs"
- if [ "$ER_OVERLAY_ROM" = "/overlay" ]; then
- if [ "$ER_IS_SQUASHFS" = "true" ]; then
- umount /tmp/overlay
- fi
- mount -o remount,ro / && fopivot /overlay /rom && pi_mount_skip_next=true
- elif [ "$ER_OVERLAY_ROM" = "/rom" ]; then
- if [ "$ER_IS_SQUASHFS" = "true" ]; then
- umount /tmp/overlay
- fi
- mount -o remount,ro / && pivot_rom /rom /rom && pi_mount_skip_next=true
- fi
- }
- }
- boot_hook_add preinit_mount_root external_root_pivot
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