79 lines
2.3 KiB
Nix
79 lines
2.3 KiB
Nix
{
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lib,
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cloud-hypervisor,
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fetchFromGitHub,
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rustPlatform,
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enableDebug ? true,
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}:
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let
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inherit (lib) optionals optionalAttrs optionalString;
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spectrum = builtins.fetchTree {
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url = "https://spectrum-os.org/git/spectrum";
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type = "git";
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rev = "0f3388f0191d9a03c7bf471c269a34a79f22018b";
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};
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in
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cloud-hypervisor.overrideAttrs (
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finalAttrs: oldAttrs:
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let
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patchesFromDir =
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root:
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builtins.concatMap (name: lib.optionals (lib.hasSuffix ".patch" name) [ (root + "/${name}") ]) (
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builtins.attrNames (builtins.readDir root)
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);
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spectrumPatches = {
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version = "2025-12-20";
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vhost = fetchFromGitHub {
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name = "vhost";
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owner = "rust-vmm";
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repo = "vhost";
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rev = "vhost-user-backend-v0.20.0";
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hash = "sha256-KK1+mwYQr7YkyGT9+51v7TJael9D0lle2JXfRoTqYq8=";
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};
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patches = patchesFromDir (spectrum + "/pkgs/cloud-hypervisor");
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vhostPatches = patchesFromDir (spectrum + "/pkgs/cloud-hypervisor/vhost");
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};
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previouslyPatched = oldAttrs ? spectrumPatches;
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patchPhases = !previouslyPatched;
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isNewer = lib.versionOlder oldAttrs.spectrumPatches.version or "2000-00-00" spectrumPatches.version;
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oldPatches = oldAttrs.spectrumPatches.patches or [ ];
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removeAll = removeElts: lst: builtins.filter (x: !(builtins.elem x removeElts)) lst;
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in
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optionalAttrs isNewer {
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passthru = oldAttrs.passthru or { } // {
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inherit spectrumPatches;
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};
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# Verbatim from spectrum
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postUnpack =
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oldAttrs.postUnpack or ""
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+ optionalString patchPhases ''
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unpackFile $vhost
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chmod -R +w vhost
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'';
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inherit (spectrumPatches) vhost;
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patches = removeAll oldPatches (oldAttrs.patches or [ ]) ++ spectrumPatches.patches;
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inherit (spectrumPatches) vhostPatches;
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# Verbatim copy from spectrum
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postPatch =
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oldAttrs.postPatch or ""
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+ optionalString patchPhases ''
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pushd ../vhost
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for patch in $vhostPatches; do
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echo applying patch $patch
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patch -p1 < $patch
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done
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popd
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'';
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cargoDeps = rustPlatform.fetchCargoVendor {
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inherit (finalAttrs) patches;
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inherit (oldAttrs) src;
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hash = "sha256-wGtsyKDg1z1QK9mJ1Q43NSjoPbm3m81p++DoD8ipIUI=";
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};
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}
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// lib.optionalAttrs enableDebug {
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buildType = "debug";
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dontStrip = true;
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}
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)
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