{disks ? ["/dev/nvme0n1"], ...}: { disko.devices = { disk = { main = { type = "disk"; device = builtins.elemAt disks 0; content = { type = "gpt"; partitions = { ESP = { priority = 1; name = "ESP"; start = "1M"; end = "1024M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; }; }; root = { size = "100%"; content = { type = "btrfs"; extraArgs = ["-f"]; # Override existing partition # Subvolumes must set a mountpoint in order to be mounted, # unless their parent is mounted subvolumes = { # Subvolume name is different from mountpoint "/rootfs" = { mountpoint = "/"; }; # Subvolume name is the same as the mountpoint "/home" = { mountOptions = ["compress=zstd"]; mountpoint = "/home"; }; # Parent is not mounted so the mountpoint must be set "/nix" = { mountOptions = ["compress=zstd" "noatime"]; mountpoint = "/nix"; }; }; mountpoint = "/partition-root"; }; }; }; }; }; }; }; }