Initial commit

lib/default.nix

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+final: prev: {
+  fs = import ./fs.nix final prev;
+  mkSecret = import ./mkSecret.nix;
+}
+  // (import ./mkUser.nix { lib = final; })

lib/fs.nix

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+final: prev:
+let
+  filesystem = fsType: path: device: options: {
+    fileSystems.${path} =
+      { inherit device fsType; }
+      // final.optionalAttrs (options != null) { inherit options; };
+  };
+
+in {
+  btrfs = filesystem "btrfs";
+  ntfs = filesystem "ntfs-3g";
+  ext4 = filesystem "ext4";
+  vfat = filesystem "vfat";
+  zfs = filesystem "zfs";
+  tmpfs = filesystem "tmpfs";
+
+  swap = device: {swapDevices = [{inherit device;}];};
+
+  luks = mapper: device: additional: {
+    boot.initrd.luks.devices.${mapper} = {
+      inherit device;
+    } // additional;
+  };
+}

lib/mkSecret.nix

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+group: {
+  generator.script = "alnum";
+  mode = "440";
+  inherit group;
+}

lib/mkUser.nix

@@ -0,0 +1,8 @@
+{ lib }: {
+  mkUser = password: wheel: {
+    isNormalUser = true;
+    extraGroups = [ "video" "libvirtd" "lp" (if wheel then "wheel" else "") ];
+  } // (if (lib.hasPrefix "/" password)
+      then {hashedPasswordFile = password;}
+      else {hashedPassword = password;});
+}