{
  description = "levin - storage conversion tool";
  inputs = {
    flake-schemas.url = "https://flakehub.com/f/DeterminateSystems/flake-schemas/*.tar.gz";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs =
    { self
    , flake-schemas
    , nixpkgs
    }:
    let
      supportedSystems = [ "x86_64-linux" "aarch64-darwin" "x86_64-darwin" "aarch64-linux" ];
      forEachSupportedSystem = f:
        nixpkgs.lib.genAttrs supportedSystems (system:
          f {
            pkgs = import nixpkgs { inherit system; };
          });
    in
    {
      schemas = flake-schemas.schemas;
      devShells = forEachSupportedSystem ({ pkgs }: {
        default = pkgs.mkShell {
          packages = with pkgs; [
            curl
            git
            jq
            wget
            nixpkgs-fmt
            openssl
            openssl.dev
            patchelf
            deno
            pkg-config-unwrapped
            ripgrep
          ];

          env = {
            PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
            # ZELLIJ_CONFIG_FILE = "config.kdl";
          };
        };
      });

      packages = forEachSupportedSystem ({ pkgs }:
        let
          levinVersion = "0.0.1";
          denoDeps = pkgs.stdenvNoCC.mkDerivation {
            pname = "levin-deno-deps";
            version = levinVersion;
            src = ./.;
            nativeBuildInputs = [ pkgs.deno pkgs.cacert ];
            dontConfigure = true;
            buildPhase = ''
              runHook preBuild
              export HOME="$TMPDIR"
              export DENO_DIR="$TMPDIR/deno-dir"
              deno cache --vendor=false --frozen --lock=deno.lock main.ts
              deno compile \
                --vendor=false \
                --frozen \
                --lock=deno.lock \
                --output "$TMPDIR/levin-cache-primer" \
                main.ts
              runHook postBuild
            '';
            installPhase = ''
              runHook preInstall
              mkdir -p "$out"
              cp -R "$DENO_DIR"/. "$out"
              runHook postInstall
            '';
            outputHashAlgo = "sha256";
            outputHashMode = "recursive";
            outputHash = "sha256-ndPlYrPgqHE4iE08JnKWPxAZfjWGd0Ez76aY4R1eITs=";
          };
        in
        {
          levin = pkgs.stdenvNoCC.mkDerivation {
            pname = "levin";
            version = levinVersion;
            src = ./.;
            nativeBuildInputs = [ pkgs.deno ];
            dontConfigure = true;
            dontFixup = true;
            buildPhase = ''
              runHook preBuild
              export HOME="$TMPDIR"
              export DENO_DIR="$TMPDIR/deno-dir"
              cp -R ${denoDeps}/. "$DENO_DIR"
              chmod -R u+w "$DENO_DIR"
              deno compile \
                --vendor=false \
                --cached-only \
                --frozen \
                --lock=deno.lock \
                --allow-all \
                --output levin \
                main.ts
              runHook postBuild
            '';
            installPhase = ''
              runHook preInstall
              install -Dm755 levin "$out/bin/levin"
              runHook postInstall
            '';
          };
        });
    };
}