···

       
46
       
 
       
    SUBSYSTEM=="input", KERNEL=="mice", TAG+="systemd"

     

       
47
       
 
       
  '';

     

       
48
       
 
       


     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
49
       
 
       
  # Perform substitutions in all udev rules files.

     

       
50
       
 
       
  udevRulesFor = { name, udevPackages, udevPath, udev, systemd, binPackages, initrdBin ? null }: pkgs.runCommand name

     

       
51
       
 
       
    { preferLocalBuild = true;

     
···

       
364
       
 
       
        EOF

     

       
365
       
 
       
      '';

     

       
366
       
 
       


     

       
0
       
 
       

     

       
0
       
 
       

     

       
367
       
 
       
    boot.initrd.systemd.additionalUpstreamUnits = [

     

       
368
       
-
       
      # TODO: "initrd-udevadm-cleanup-db.service" is commented out because of https://github.com/systemd/systemd/issues/12953

     

       
369
       
 
       
      "systemd-udevd-control.socket"

     

       
370
       
 
       
      "systemd-udevd-kernel.socket"

     

       
371
       
 
       
      "systemd-udevd.service"

     

···

       
46
       
 
       
    SUBSYSTEM=="input", KERNEL=="mice", TAG+="systemd"

     

       
47
       
 
       
  '';

     

       
48
       
 
       


     

       
49
       
+
       
  nixosInitrdRules = ''

     

       
50
       
+
       
    # Mark dm devices as db_persist so that they are kept active after switching root

     

       
51
       
+
       
    SUBSYSTEM=="block", KERNEL=="dm-[0-9]*", ACTION=="add|change", OPTIONS+="db_persist"

     

       
52
       
+
       
  '';

     

       
53
       
+
       


     

       
54
       
 
       
  # Perform substitutions in all udev rules files.

     

       
55
       
 
       
  udevRulesFor = { name, udevPackages, udevPath, udev, systemd, binPackages, initrdBin ? null }: pkgs.runCommand name

     

       
56
       
 
       
    { preferLocalBuild = true;

     
···

       
369
       
 
       
        EOF

     

       
370
       
 
       
      '';

     

       
371
       
 
       


     

       
372
       
+
       
    boot.initrd.services.udev.rules = nixosInitrdRules;

     

       
373
       
+
       


     

       
374
       
 
       
    boot.initrd.systemd.additionalUpstreamUnits = [

     

       
375
       
+
       
      "initrd-udevadm-cleanup-db.service"

     

       
376
       
 
       
      "systemd-udevd-control.socket"

     

       
377
       
 
       
      "systemd-udevd-kernel.socket"

     

       
378
       
 
       
      "systemd-udevd.service"