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.
24 lines
501 B
Nix
24 lines
501 B
Nix
{
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lib,
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modulesPath,
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...
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}:
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{
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imports = [
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(modulesPath + "/installer/cd-dvd/iso-image.nix")
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];
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config = {
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isoImage.makeEfiBootable = true;
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isoImage.makeUsbBootable = true;
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me.buildingPortable = true;
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me.mountPersistence = lib.mkForce false;
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me.optimizations.enable = lib.mkForce false;
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# Not doing image_based_appliance because this might be an install ISO, in which case we'd need nix to do the install.
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# me.image_based_appliance.enable = true;
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};
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}
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