9886db059a
My conception of its input was wrong. It is quite a useful construct, even if its name is a bit weird.
54 lines
1.4 KiB
Nix
54 lines
1.4 KiB
Nix
{ config, hostPkgs, lib, ... }:
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let
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inherit (lib) types mkOption;
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in
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{
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options = {
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passthru = mkOption {
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type = types.lazyAttrsOf types.raw;
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description = ''
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Attributes to add to the returned derivations,
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which are not necessarily part of the build.
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This is a bit like doing `drv // { myAttr = true; }` (which would be lost by `overrideAttrs`).
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It does not change the actual derivation, but adds the attribute nonetheless, so that
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consumers of what would be `drv` have more information.
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'';
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};
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test = mkOption {
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type = types.package;
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description = ''
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Derivation that runs the test as its "build" process.
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'';
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};
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};
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config = {
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test = lib.lazyDerivation { # lazyDerivation improves performance when only passthru items and/or meta are used.
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derivation = hostPkgs.stdenv.mkDerivation {
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name = "vm-test-run-${config.name}";
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requiredSystemFeatures = [ "kvm" "nixos-test" ];
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buildCommand = ''
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mkdir -p $out
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# effectively mute the XMLLogger
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export LOGFILE=/dev/null
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${config.driver}/bin/nixos-test-driver -o $out
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'';
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passthru = config.passthru;
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meta = config.meta;
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};
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inherit (config) passthru meta;
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};
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# useful for inspection (debugging / exploration)
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passthru.config = config;
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};
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}
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