{
  lib,
  stdenv,
  fetchzip,
  patchelf,
  glibc,
}:

let
  version = "1.4.0";

  srcs = {
    aarch64-darwin = {
      url = "https://github.com/anomalyco/opencode/releases/download/v${version}/opencode-darwin-arm64.zip";
      sha256 = "0m97j2vln8yhhvnsjl92phx6dac24y7hgh75csmbkbhawkz9xm4l";
    };
    x86_64-darwin = {
      url = "https://github.com/anomalyco/opencode/releases/download/v${version}/opencode-darwin-x64.zip";
      sha256 = "17n04j06pdc2raxjm91y6p87gwpnra0liabpbjwdmyd1iqgqv0q8";
    };
    x86_64-linux = {
      url = "https://github.com/anomalyco/opencode/releases/download/v${version}/opencode-linux-x64.tar.gz";
      sha256 = "16117lwfj2lb8wjbq5cyf77vhi52ada5ys3212hjqw3qw3wrcc0r";
    };
    aarch64-linux = {
      url = "https://github.com/anomalyco/opencode/releases/download/v${version}/opencode-linux-arm64.tar.gz";
      sha256 = "06lvm1qiji74xdd3psqn6lwxak65gqsbmkib1pjb4n65f9246jwm";
    };
  };

  src =
    srcs.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");

in
stdenv.mkDerivation {
  pname = "opencode";
  inherit version;

  src = fetchzip {
    inherit (src) url sha256;
  };

  # Bun standalone binaries have JS code appended after the ELF sections
  # stripping/patching would remove or corrupt this appended data
  dontStrip = true;
  dontPatchELF = true;

  nativeBuildInputs = lib.optionals stdenv.isLinux [ patchelf ];

  installPhase = ''
    runHook preInstall

    install -Dm755 $src/opencode $out/bin/opencode

    runHook postInstall
  '';

  # Manually patch the interpreter for bun standalone binaries on Linux
  postFixup = lib.optionalString stdenv.isLinux ''
    interpreter="${glibc}/lib/${
      if stdenv.hostPlatform.system == "aarch64-linux" then
        "ld-linux-aarch64.so.1"
      else
        "ld-linux-x86-64.so.2"
    }"
    patchelf --set-interpreter "$interpreter" $out/bin/opencode
  '';

  meta = with lib; {
    description = "Terminal-based AI coding assistant";
    homepage = "https://opencode.ai";
    license = licenses.mit;
    maintainers = [ ];
    platforms = [
      "aarch64-darwin"
      "x86_64-darwin"
      "x86_64-linux"
      "aarch64-linux"
    ];
    mainProgram = "opencode";
  };
}