Configure nix during setup

scripts/Arch/OS/setup.fish

@@ -78,7 +78,7 @@ begin
 
             and arch-chroot "$mountDir" mkinitcpio -P
             and runHook installDrivers "Installing drivers..." || true
-            and pacstrap -K "$mountDir" fish jq nix tmux
+            and runInOS fish "$tempDir/../../Common/Software/nix/main.fish" configure user
             and arch-chroot "$mountDir" bash "$tempDir/../Software/sudo/install.sh"
             and arch-chroot "$mountDir" bash "$tempDir/../Software/GRUB/install.sh"
 

scripts/Common/OS/install.fish

@@ -3,14 +3,12 @@ set -l dir (status dirname)
 source "$dir/../Scripts/config.fish"
 source "$dir/../Scripts/hooks.fish"
 
-function copyNixConfig -V dir
-    set -l configFile ~/.config/nix/nix.conf
-    mkdir -p (dirname "$configFile")
-    cp "$dir/../../../archiso/airootfs/root/.config/nix/nix.conf" "$configFile"
+function configureNix -V dir
+    source "$dir/../Software/nix/main.fish" configure user
 end
 
 if [ (id -u) -eq 0 ]
-    copyNixConfig
+    configureNix
     set -l name (getConfig valhalla.setupUser.name)
     set -l sudoConfig "/etc/sudoers.d/PortValhalla"
 
@@ -34,7 +32,7 @@ if [ (id -u) -eq 0 ]
     rm "$sudoConfig"
     userdel -r "$name"
 else
-    copyNixConfig
+    configureNix
     source "$dir/../Software/bash/main.fish"
     runHook initialize || true
     runHook installDrivers || true

scripts/Common/Software/nix/main.fish

@@ -0,0 +1,15 @@
+#!/bin/env fish
+begin
+    set -l dir (status dirname)
+    source "$dir/../../Scripts/software.fish"
+
+    function configureSW -V dir -a scope
+        if [ "$scope" = "user" ]
+            set -l configFile ~/.config/nix/nix.conf
+            mkdir -p (dirname "$configFile")
+            cp "$dir/../../../../archiso/airootfs/root/.config/nix/nix.conf" "$configFile"
+        end
+    end
+
+    runInstaller $argv
+end