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https://github.com/SebastianWendel/nixpkgs.git
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4cea257440
The mount options need to be passed as a comma-separated list of options so that they end up one a single Options line in the resulting mount unit. The current code passed the options as a list, resulting in several Options lines in the mount unit, all but the first of these were ignored by systemd however. This behaviour is not clearly defined in the systemd man page.
65 lines
1.5 KiB
Nix
65 lines
1.5 KiB
Nix
{ config, lib, ... }:
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with lib;
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let
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cfg = config.boot;
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in
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{
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###### interface
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options = {
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boot.cleanTmpDir = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to delete all files in <filename>/tmp</filename> during boot.
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'';
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};
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boot.tmpOnTmpfs = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to mount a tmpfs on <filename>/tmp</filename> during boot.
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'';
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};
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boot.tmpOnTmpfsSize = mkOption {
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type = types.oneOf [ types.str types.types.ints.positive ];
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default = "50%";
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description = ''
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Size of tmpfs in percentage.
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Percentage is defined by systemd.
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'';
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};
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};
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###### implementation
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config = {
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# When changing remember to update /tmp mount in virtualisation/qemu-vm.nix
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systemd.mounts = mkIf cfg.tmpOnTmpfs [
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{
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what = "tmpfs";
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where = "/tmp";
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type = "tmpfs";
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mountConfig.Options = concatStringsSep "," [ "mode=1777"
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"strictatime"
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"rw"
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"nosuid"
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"nodev"
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"size=${toString cfg.tmpOnTmpfsSize}" ];
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}
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];
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systemd.tmpfiles.rules = optional config.boot.cleanTmpDir "D! /tmp 1777 root root";
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};
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}
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