{ disko.devices = { disk = { main = { #device = builtins.elemAt disks 0; device = "/dev/mmcblk0"; # DEVICE_NAME type = "disk"; content = { type = "gpt"; partitions = { ESP = { priority = 1; name = "ESP"; size = "500M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; }; }; root = { size = "100%"; content = { type = "btrfs"; extraArgs = [ "-f" ]; subvolumes = { "/rootfs" = { mountOptions = [ "compress=zstd" ]; mountpoint = "/"; }; "/home" = { mountOptions = [ "compress=zstd" ]; mountpoint = "/home"; }; "/nix" = { mountOptions = [ "compress=zstd" "noatime" ]; mountpoint = "/nix"; }; "/swap" = { mountOptions = [ "subvol=swap" ]; mountpoint = "/swap"; }; }; }; }; }; }; }; }; }; }