Install valhalla dependencies during setup

scripts/Arch/OS/setup.fish

@@ -24,13 +24,15 @@ begin
     end
 
     function initOS -V dir
+        source "$dir/../lib/dependencies.fish"
         source "$dir/../../lib/wait-network.fish"
+        set -l mountDir (getOSConfig partition.rootDir)
 
         waitNetwork
         and pacman-key --init
         and pacman-key --populate
 
-        and pacstrap -K (getOSConfig partition.rootDir) \
+        and pacstrap -K "$mountDir" \
             base \
             linux \
             linux-firmware \
@@ -38,6 +40,8 @@ begin
             man-db \
             man-pages \
             texinfo
+
+        installValhallaDeps "$mountDir"
     end
 
     function setupOS -S -V dir -S

scripts/Arch/lib/dependencies.fish

@@ -1,5 +1,11 @@
-function installValhallaDeps -V dir
+function installValhallaDeps -V dir -a mountDir
     source "$dir/../lib/software.fish"
-    and pacinst fish git jq nix sudo tmux
+    set -l args
+
+    if [ -n "$mountDir" ]
+        set -a args --root "$mountDir"
+    end
+
+    and pacinst $args fish git jq nix sudo tmux
     sudo systemctl enable --now nix-daemon
 end