Enable picom

Should reduce a few of the graphical glitches.
Also can do the "Activate Linux" joke muhahah

hm/desktop/i3.nix

@@ -65,6 +65,7 @@ in
 {
   config = lib.mkIf config.xsession.windowManager.i3.enable {
     stylix.targets.i3.enable = false;
+    services.picom.enable = true;
     xdg.configFile = {
       "rofimoji.rc" = {
         text = ''

hm/scripts/jlab

@@ -250,7 +250,7 @@ elif sys.argv[1] == "push":
     bookmark = current_bookmark()
     if not bookmark:
         raise RuntimeError("Couldn't find a current branch")
-    heads = jj.log("heads(@::)")
+    heads = jj.log("heads(ancestors(@::) ~ empty())")
     if len(heads) != 1:
         raise RuntimeError("Multiple heads")  # Or none if something goes horribly wrong
     head = heads[0]