···

       
2
       
 
       


     

       
3
       
 
       
with lib;

     

       
4
       
 
       


     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
5
       
 
       
{

     

       
6
       
 
       


     

       
7
       
 
       
  ###### interface

     
···

       
24
       
 
       
      '';

     

       
25
       
 
       
    };

     

       
26
       
 
       


     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
27
       
 
       
  };

     

       
28
       
 
       


     

       
29
       
 
       
  ###### implementation

     

       
30
       
 
       


     

       
31
       
 
       
  config = {

     

       
32
       
 
       


     

       
33
       
-
       
    systemd.mounts = mkIf config.boot.tmpOnTmpfs [

     

       
0
       
 
       

     

       
34
       
 
       
      {

     

       
35
       
 
       
        what = "tmpfs";

     

       
36
       
 
       
        where = "/tmp";

     

       
37
       
 
       
        type = "tmpfs";

     

       
38
       
-
       
        mountConfig.Options = [ "mode=1777" "strictatime" "rw" "nosuid" "nodev" "size=50%" ];

     

       
39
       
 
       
      }

     

       
40
       
 
       
    ];

     

       
41
       
 
       


     

···

       
2
       
 
       


     

       
3
       
 
       
with lib;

     

       
4
       
 
       


     

       
5
       
+
       
let

     

       
6
       
+
       
  cfg = config.boot;

     

       
7
       
+
       
in

     

       
8
       
 
       
{

     

       
9
       
 
       


     

       
10
       
 
       
  ###### interface

     
···

       
27
       
 
       
      '';

     

       
28
       
 
       
    };

     

       
29
       
 
       


     

       
30
       
+
       
    boot.tmpOnTmpfsSize = mkOption {

     

       
31
       
+
       
      type = types.oneOf [ types.str types.types.ints.positive ];

     

       
32
       
+
       
      default = "50%";

     

       
33
       
+
       
      description = ''

     

       
34
       
+
       
        Size of tmpfs in percentage.

     

       
35
       
+
       
        Percentage is defined by systemd.

     

       
36
       
+
       
      '';

     

       
37
       
+
       
    };

     

       
38
       
+
       


     

       
39
       
 
       
  };

     

       
40
       
 
       


     

       
41
       
 
       
  ###### implementation

     

       
42
       
 
       


     

       
43
       
 
       
  config = {

     

       
44
       
 
       


     

       
45
       
+
       
    # When changing remember to update /tmp mount in virtualisation/qemu-vm.nix

     

       
46
       
+
       
    systemd.mounts = mkIf cfg.tmpOnTmpfs [

     

       
47
       
 
       
      {

     

       
48
       
 
       
        what = "tmpfs";

     

       
49
       
 
       
        where = "/tmp";

     

       
50
       
 
       
        type = "tmpfs";

     

       
51
       
+
       
        mountConfig.Options = [ "mode=1777" "strictatime" "rw" "nosuid" "nodev" "size=${toString cfg.tmpOnTmpfsSize}" ];

     

       
52
       
 
       
      }

     

       
53
       
 
       
    ];

     

       
54
       
 
       


     

···

       
686
       
 
       
            fsType = "tmpfs";

     

       
687
       
 
       
            neededForBoot = true;

     

       
688
       
 
       
            # Sync with systemd's tmp.mount;

     

       
689
       
-
       
            options = [ "mode=1777" "strictatime" "nosuid" "nodev" ];

     

       
690
       
 
       
          };

     

       
691
       
 
       
        "/tmp/xchg" =

     

       
692
       
 
       
          { device = "xchg";

     

···

       
686
       
 
       
            fsType = "tmpfs";

     

       
687
       
 
       
            neededForBoot = true;

     

       
688
       
 
       
            # Sync with systemd's tmp.mount;

     

       
689
       
+
       
            options = [ "mode=1777" "strictatime" "nosuid" "nodev" "size=${toString config.boot.tmpOnTmpfsSize}" ];

     

       
690
       
 
       
          };

     

       
691
       
 
       
        "/tmp/xchg" =

     

       
692
       
 
       
          { device = "xchg";