nix: Various fixes

config/nix/hm/common.nix

@@ -241,7 +241,8 @@ in
         enable = true;
         enableZshIntegration = true;
         defaultOptions = [ "--height 40%" "--layout=default" ];
-        fileWidgetOptions = [ "--preview '[[ -d {} ]] && ls -l --color=always {} || [[ \$(file --mime {}) =~ binary ]] && file --brief {} || (highlight -O ansi -l {} || coderay {} || rougify {} || cat {}) 2> /dev/null | head -500'" ];
+        fileWidgetOptions = [ "--preview '[[ -d {} ]] && ${pkgs.coreutils}/bin/ls -l --color=always {} || [[ \$(${pkgs.file}/bin/file --mime {}) =~ binary ]] && ${pkgs.file}/bin/file --brief {} || (${pkgs.highlight}/bin/highlight -O ansi -l {} || coderay {} || rougify {} || ${pkgs.coreutils}/bin/cat {}) 2> /dev/null | head -500'" ];
+        # file and friends are not in PATH by default... so here we want aboslute paths, which means those won't get reloaded. Meh.
       };
       # TODO highlight or bat
       nix-index = {

config/nix/hm/desktop.nix

@@ -103,7 +103,7 @@
             # TODO Is a shell script even required?
           }";
                 "${mod}+Shift+Return" = "exec ${config.programs.urxvt.package}/bin/urxvt";
-                "${mod}+p" = "exec ${pkgs.xfce.thunar}/bin/tunar";
+                "${mod}+p" = "exec ${pkgs.xfce.thunar}/bin/thunar";
                 "${mod}+m" = "exec ${config.programs.qutebrowser.package}/bin/qutebrowser --override-restore --backend=webengine";
                 # TODO --backend not useful anymore
                 # Volume control

config/nix/hm/style.nix

@@ -17,10 +17,16 @@ in
     };
     # FIXME This doesn't work
 
-    fonts.monospace = {
+    fonts = {
+      sizes = {
+        applications = 10;
+        terminal = 10;
+      };
+      monospace = {
         package = pkgs.nerdfonts;
         name = "DejaVuSansM Nerd Font";
       };
+    };
 
     targets.vim.enable = false; # FIXME Not compatible with nixvim for now (there's a MR)
     # targets.i3.enable = false; # I prefer my own styles