{
  runCommand,
  kicad,
  nix-filter,

  panel,
}: runCommand "ocularium.svg" {
  nativeBuildInputs = [
    kicad
  ];

  src = nix-filter {
    root = ./..;

    exclude = [
      "nix"
      ".gitignore"
      "flake.nix"
      "flake.lock"
      ".envrc"
      "kikit"
      "models"
    ];
  };

  allowedRequisites = [];
} ''
  set -e

  export HOME=$(mktemp -d)

  mkdir -p $out/share/npry/ocularium/svg
  mkdir -p $out/share/npry/ocularium/panel/svg

  mksvg() {
    local infile=$1
    local layers=$2
    local outfile=$3

    kicad-cli pcb export svg \
      "$infile.kicad_pcb" \
      -l "$layers" \
      -o $outfile.svg \
      --page-size-mode 2 \
      --exclude-drawing-sheet
  }

  readonly okm="$src/okm"
  readonly panel="${panel}/share/npry/ocularium/panel"

  cd $out/share/npry/ocularium/svg

  mksvg "$okm"    "F.Cu,F.Silkscreen,Edge.Cuts"  front
  mksvg "$okm"    "B.Cu,B.Silkscreen,Edge.Cuts"  back
  mksvg "$okm"    "In1.Cu,Edge.Cuts"             in1
  mksvg "$okm"    "In2.Cu,Edge.Cuts"             in2

  cd ../panel/svg

  mksvg "$panel"  "F.Cu,F.Silkscreen,Edge.Cuts"  front
  mksvg "$panel"  "B.Cu,B.Silkscreen,Edge.Cuts"  back
  mksvg "$panel"  "In1.Cu,Edge.Cuts"             in1
  mksvg "$panel"  "In2.Cu,Edge.Cuts"             in2
''