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nixpkgs/nixos/modules/system/boot/tmp.nix
Danielle Lancashire ca7b35d2d9
modules/boot: Specify the type for tmpfs mounts
https://github.com/NixOS/nixpkgs/pull/107497 broke booting on many systems that
use tmpOnTmpfs due to the lack of specifying the mount type.

This commit explicitly adds the mount type, which should fix booting
such systems.

The original change may want to be revisited however too.
2021-01-09 15:32:17 +01:00

47 lines
854 B
Nix

{ config, lib, ... }:
with lib;
{
###### interface
options = {
boot.cleanTmpDir = mkOption {
type = types.bool;
default = false;
description = ''
Whether to delete all files in <filename>/tmp</filename> during boot.
'';
};
boot.tmpOnTmpfs = mkOption {
type = types.bool;
default = false;
description = ''
Whether to mount a tmpfs on <filename>/tmp</filename> during boot.
'';
};
};
###### implementation
config = {
systemd.mounts = mkIf config.boot.tmpOnTmpfs [
{
what = "tmpfs";
where = "/tmp";
type = "tmpfs";
mountConfig.Options = [ "mode=1777" "strictatime" "rw" "nosuid" "nodev" "size=50%" ];
}
];
systemd.tmpfiles.rules = optional config.boot.cleanTmpDir "D! /tmp 1777 root root";
};
}