888613a229
Nix 2.30.0 (2025-07-07) changed the build directory from /tmp to /nix/var/nix/builds which broke a number of builds because my ZFS datasets were utf8only. This adds a role to mount tmpfs to /nix/var/nix/builds to restore the old behavior.
36 lines
762 B
Nix
36 lines
762 B
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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{
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imports = [ ];
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options.me = {
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build_in_ram.enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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example = true;
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description = "Whether we want to install build_in_ram.";
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};
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};
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config = lib.mkIf config.me.build_in_ram.enable (
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lib.mkMerge [
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{
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# Nix 2.30.0 (2025-07-07) changed the build directory from /tmp to /nix/var/nix/builds which broke a number of builds because my ZFS datasets were utf8only.
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fileSystems."/nix/var/nix/builds" = {
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device = "tmpfs";
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fsType = "tmpfs";
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options = [
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"size=40G" # adjust for your situation and needs
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"mode=700"
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];
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};
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}
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]
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);
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}
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