overlayroot - 0.18.debian13+deb12u1pureos1 main

This package adds functionality to an initramfs built by initramfs-tools.
When installed and configured, the initramfs will mount an overlayfs
filesystem on top of a read-only root volume.
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The changes can be written to a in-memory temporary filesystem, a
filesystem on an existing block device, or a dmcrypt encrypted block
device.