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28cf80acf8
In response to comments, create a sub-folder for deviceTree packages (starting with rpi), and a top-level package for helpers.
18 lines
556 B
Nix
18 lines
556 B
Nix
{ stdenvNoCC, dtc, findutils }:
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with stdenvNoCC.lib; {
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applyOverlays = (base: overlays: stdenvNoCC.mkDerivation {
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name = "device-tree-overlays";
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nativeBuildInputs = [ dtc findutils ];
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buildCommand = let
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quotedDtbos = concatMapStringsSep " " (o: "\"${toString o}\"") (toList overlays);
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in ''
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for dtb in $(find ${base} -name "*.dtb" ); do
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outDtb=$out/$(realpath --relative-to "${base}" "$dtb")
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mkdir -p "$(dirname "$outDtb")"
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fdtoverlay -o "$outDtb" -i "$dtb" ${quotedDtbos};
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done
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'';
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});
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}
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