nixosModules.image builds a GPT disk image with systemd-repart: ESP with a UKI carrying the store's verity root hash, an erofs /nix/store on a dm-verity partition, a tmpfs root, an immutable /etc overlay and an ext4 state partition on /var. No Nix on the device; it is replaced as a whole. The store is made with 4 KiB erofs blocks: systemd-repart passes the 512 byte sector size to mkfs.erofs, and libblkid cannot verify the checksum of such a superblock, so udev never reported the file system and the initrd waited forever for /dev/mapper/usr. examples/image (nix build .#image) is a hardware test build with a debug console password; checks.image boots the image under UEFI. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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result
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result-*
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.nixos-test-history
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image
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