{
 lib,
 stdenvNoCC,
 callPackage,
 bun,
 nodejs,
 sysctl,
 makeBinaryWrapper,
 models-dev,
 ripgrep,
 installShellFiles,
 versionCheckHook,
 writableTmpDirAsHomeHook,
 node_modules ? callPackage ./node-modules.nix { },
}:
stdenvNoCC.mkDerivation (finalAttrs: {
 pname = "opencode";
 inherit (node_modules) version src;
 inherit node_modules;

 nativeBuildInputs = [
 bun
 nodejs # for patchShebangs node_modules
 installShellFiles
 makeBinaryWrapper
 models-dev
 writableTmpDirAsHomeHook
 ];

 configurePhase = ''
 runHook preConfigure

 cp -R ${finalAttrs.node_modules}/. .
 patchShebangs node_modules
 patchShebangs packages/*/node_modules

 runHook postConfigure
 '';

 env.MODELS_DEV_API_JSON = "${models-dev}/dist/_api.json";
 env.OPENCODE_DISABLE_MODELS_FETCH = true;
 env.OPENCODE_VERSION = finalAttrs.version;
 env.OPENCODE_CHANNEL = "local";

 buildPhase = ''
 runHook preBuild

 cd ./packages/opencode
 bun --bun ./script/build.ts --single --skip-install
 bun --bun ./script/schema.ts schema.json

 runHook postBuild
 '';

 installPhase = ''
 runHook preInstall

 install -Dm755 dist/opencode-*/bin/opencode $out/bin/opencode
 install -Dm644 schema.json $out/share/opencode/schema.json

 wrapProgram $out/bin/opencode \
 --prefix PATH : ${
 lib.makeBinPath (
 [
 ripgrep
 ]
 # bun runs sysctl to detect if running on rosetta2
 ++ lib.optional stdenvNoCC.hostPlatform.isDarwin sysctl
 )
 }

 runHook postInstall
 '';

 postInstall = lib.optionalString (stdenvNoCC.buildPlatform.canExecute stdenvNoCC.hostPlatform) ''
 # trick yargs into also generating zsh completions
 installShellCompletion --cmd opencode \
 --bash <($out/bin/opencode completion) \
 --zsh <(SHELL=/bin/zsh $out/bin/opencode completion)
 '';

 nativeInstallCheckInputs = [
 versionCheckHook
 writableTmpDirAsHomeHook
 ];
 doInstallCheck = true;
 versionCheckKeepEnvironment = [ "HOME" "OPENCODE_DISABLE_MODELS_FETCH" ];
 versionCheckProgramArg = "--version";

 passthru = {
 jsonschema = "${placeholder "out"}/share/opencode/schema.json";
 };

 meta = {
 description = "The open source coding agent";
 homepage = "https://opencode.ai/";
 license = lib.licenses.mit;
 mainProgram = "opencode";
 inherit (node_modules.meta) platforms;
 };
})