mirror of
https://github.com/nix-community/disko.git
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87 lines
2.9 KiB
Nix
87 lines
2.9 KiB
Nix
{ config, options, diskoLib, lib, rootMountPoint, ... }:
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{
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options = {
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type = lib.mkOption {
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type = lib.types.enum [ "btrfs" ];
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internal = true;
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description = "Type";
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};
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extraArgs = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = "Extra arguments";
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};
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mountOptions = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ "defaults" ];
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description = "A list of options to pass to mount.";
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};
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subvolumes = lib.mkOption {
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type = lib.types.attrsOf diskoLib.types.btrfs_subvol;
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default = { };
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description = "Subvolumes to define for BTRFS.";
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};
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mountpoint = lib.mkOption {
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type = lib.types.nullOr diskoLib.optionTypes.absolute-pathname;
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default = null;
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description = "A path to mount the BTRFS filesystem to.";
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};
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_meta = lib.mkOption {
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internal = true;
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readOnly = true;
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type = lib.types.functionTo diskoLib.jsonType;
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default = dev:
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diskoLib.deepMergeMap (subvol: subvol._meta dev) (lib.attrValues config.subvolumes);
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description = "Metadata";
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};
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_create = diskoLib.mkCreateOption {
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inherit config options;
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default = { dev }: ''
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mkfs.btrfs ${dev} ${toString config.extraArgs}
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${lib.concatMapStrings (subvol: subvol._create { inherit dev; }) (lib.attrValues config.subvolumes)}
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'';
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};
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_mount = diskoLib.mkMountOption {
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inherit config options;
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default = { dev }:
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let
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subvolMounts = diskoLib.deepMergeMap (subvol: subvol._mount { inherit dev; parent = config.mountpoint; }) (lib.attrValues config.subvolumes);
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in
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{
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fs = subvolMounts.fs // lib.optionalAttrs (config.mountpoint != null) {
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${config.mountpoint} = ''
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if ! findmnt ${dev} "${rootMountPoint}${config.mountpoint}" > /dev/null 2>&1; then
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mount ${dev} "${rootMountPoint}${config.mountpoint}" \
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${lib.concatMapStringsSep " " (opt: "-o ${opt}") config.mountOptions} \
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-o X-mount.mkdir
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fi
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'';
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};
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};
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};
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_config = lib.mkOption {
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internal = true;
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readOnly = true;
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default = dev: [
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(map (subvol: subvol._config dev config.mountpoint) (lib.attrValues config.subvolumes))
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(lib.optional (config.mountpoint != null) {
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fileSystems.${config.mountpoint} = {
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device = dev;
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fsType = "btrfs";
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options = config.mountOptions;
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};
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})
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];
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description = "NixOS configuration";
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};
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_pkgs = lib.mkOption {
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internal = true;
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readOnly = true;
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type = lib.types.functionTo (lib.types.listOf lib.types.package);
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default = pkgs:
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[ pkgs.btrfs-progs ] ++ lib.flatten (map (subvolume: subvolume._pkgs pkgs) (lib.attrValues config.subvolumes));
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description = "Packages";
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};
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};
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}
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