Enable squashfs compression and lint nix files

modules/installer/default.nix

@@ -10,7 +10,9 @@
 with lib; let
   calamares-desk-os = lowPrio (
     pkgs.calamares-nixos.overrideAttrs (previousAttrs: {
-      patches = previousAttrs.patches ++ [
+      patches =
+        previousAttrs.patches
+        ++ [
           ../../packages/calamares-nixos/0001-Updates-finished-module-for-desk-os.patch
         ];
     })
@@ -31,7 +33,7 @@ in {
   system.nixos.distroName = "deskOS 1";
 
   # FIXME(m): Disable squashfs compression during development
-  isoImage.squashfsCompression = null;
+  # isoImage.squashfsCompression = null;
 
   boot = {
     consoleLogLevel = 0;

packages/calamares-extensions/config/modules/partition.conf

@@ -11,7 +11,6 @@ userSwapChoices:
 drawNestedPartitions: false
 alwaysShowPartitionLabels: true
 allowManualPartitioning: false
-# FIXME(m): Consider accidentally erasing an existing system
 # Initial selection on the Choice page
 #
 # There are four radio buttons (in principle: erase, replace, alongside, manual),