Add scripts for installing btrfs

lib/modules/programs.nix

@@ -91,6 +91,7 @@ let
 in
 {
   imports = [
+    ./programs/btrfs.nix
     ./programs/docker.nix
     ./programs/git.nix
     ./programs/nextcloud.nix

lib/modules/programs/btrfs.nix

@@ -0,0 +1,14 @@
+{ lib, ... }:
+let
+  inherit (lib) mkEnableOption;
+in
+{
+  options = {
+    valhalla = {
+      linux.programs.btrfs = {
+        enable = mkEnableOption "btrfs tools";
+        pools = mkEnableOption "btrfs pool support in bootloaders";
+      };
+    };
+  };
+}

scripts/Arch/OS/setup.fish

@@ -91,6 +91,7 @@ begin
 
             and echo (getOSConfig hostname) | arch-chroot "$mountDir" tee /etc/hostname >/dev/null
 
+            and runInOS fish "$tempDir/../Software/btrfs/main.fish"
             and arch-chroot "$mountDir" mkinitcpio -P
             and runInOS fish "$tempDir/../Software/grub/main.fish"
 

scripts/Arch/Software/btrfs/main.fish

@@ -0,0 +1,19 @@
+#!/bin/env fish
+begin
+    set -l dir (status dirname)
+    source "$dir/../../lib/software.fish"
+
+    function installSW
+        pacinst btrfs-progs
+    end
+
+    function configureSW -V dir
+        source "$dir/../../../lib/settings.fish"
+
+        if isOSEnabled "programs.btrfs.pools"
+            echo "HOOKS+=(btrfs)" | sudo tee /etc/mkinitcpio.conf.d/btrfs.conf >/dev/null
+        end
+    end
+
+    runInstaller $argv
+end

scripts/Arch/lib/deploy.fish

@@ -71,6 +71,7 @@ function deploySoftware -d "Deploys a the specified software action" -a action
     end
 
     and source "$dir/../../Common/Software/bash/main.fish" $argv
+    and source "$dir/../Software/btrfs/main.fish" $argv
     and source "$dir/../../Common/Software/nuke-usb/main.fish" $argv
     and source "$dir/../Software/sudo/main.fish" $argv
     and source "$dir/../Software/aliae/main.fish" $argv