feat: tf2.nix

modules/home/steam.nix

@@ -7,6 +7,10 @@ in {
   };
 
   config = lib.mkIf cfg.enable {
+    # Steam is quite buggy and doesn't play too nicely with Impermanence:
+    #  1. We must use symlinks, rather than bind-mounts.
+    #  2. The symlinks *must not be present* during Steam's first launch
+    #     (i.e. when it installs itself).  Horrible bugs ensue.
     sydnix.impermanence.directories = [
       # Steam has a number of mysterious issues when its state directories are
       # symlinks.  Most bizarrely, I've experienced complementory issues;
@@ -14,6 +18,7 @@ in {
       # symlinks.  Thanks, Valve!
       #
       # https://github.com/ValveSoftware/steam-for-linux/issues/10552
+      # https://github.com/nix-community/impermanence/issues/165
       { directory = ".local/share/Steam"; method = "symlink"; }
       { directory = ".steam"; method = "symlink"; }
     ];