PortValhalla/lib/modules/fileSystems.nix

88 lines
2.3 KiB
Nix

{ lib, config, ... }:
let
inherit (lib) types mkOption;
cfg = config.valhalla.fileSystems;
mountType = types.submodule (
{ config, name, ... }: {
options = {
device = mkOption {
type = types.nullOr types.str;
description = "The device to mount.";
default = null;
};
mountPoint = mkOption {
type = types.str;
description = "The path to mount the device to.";
default = name;
};
fsType = mkOption {
type = types.nullOr types.str;
description = "The file system type of the mount.";
default = null;
};
options = mkOption {
type = types.listOf types.str;
description = "The options of the mount.";
default = [ ];
};
};
}
);
in
{
imports = [
./fileSystems/btrfs.nix
./fileSystems/disks.nix
];
options = {
valhalla = {
fileSystems = {
mounts = mkOption {
type = types.attrsOf mountType;
description = "The devices to mount.";
default = { };
};
script = mkOption {
type = types.str;
description = "The script for preparing the system's mounts.";
};
};
};
};
config = {
valhalla = {
fileSystems = {
script =
let
devices = (builtins.attrValues cfg.diskSetup.devices);
in
''
#!/bin/bash
set -o errexit
${cfg.diskSetup.scripts.init}
${lib.strings.concatLines (lib.optionals ((builtins.length devices) > 0) [
''echo $(tput setaf 3)=== WARNING ====$(jtput sgr0)"''
(''echo "Continuing this script will alter the partitions of ''
+ (lib.strings.concatStringsSep ", " (builtins.map (_: "${_.deviceVariable}") (lib.lists.init devices)))
+ (if (builtins.length devices) > 1 then " and " else "") + (lib.lists.last devices).deviceVariable + ''"'')
''
if ! fish ${./fileSystems/confirm.fish} "Are you sure you want to continue?" "n"; then
exit 1
fi
''
])}
${cfg.diskSetup.scripts.partition}
${cfg.diskSetup.scripts.mount}
'';
};
};
};
}