Add way to clear rootfs overlay on boot #986
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Related to YoeDistro#755 Add functionality to clear rootfs overlay on boot. * Add `clear_overlay` function to remove files in `/mnt/data/upper` and `/mnt/data/work`. * Add checks for a special file `clear-overlay` on USB, SD, and data partitions in `update_from_usb`, `update_from_sd`, and `update_from_data` functions. * Update `rescue_shell` function to call `clear_overlay` if the special file is found.
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Related to #755
Add functionality to clear rootfs overlay on boot.
clear_overlayfunction to remove files in/mnt/data/upperand/mnt/data/work.clear-overlayon USB, SD, and data partitions inupdate_from_usb,update_from_sd, andupdate_from_datafunctions.rescue_shellfunction to callclear_overlayif the special file is found.