From eae5d4cf75de9922bc3ab408fe76a4af441ebec1 Mon Sep 17 00:00:00 2001
From: thomasjm <tom@codedown.io>
Date: Tue, 23 Jun 2026 14:35:09 -0700
Subject: [PATCH] ark: init at 0.1.252

---
 pkgs/by-name/ar/ark/package.nix | 55 +++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 pkgs/by-name/ar/ark/package.nix

diff --git a/pkgs/by-name/ar/ark/package.nix b/pkgs/by-name/ar/ark/package.nix
new file mode 100644
index 000000000000..fbdbed890c23
--- /dev/null
+++ b/pkgs/by-name/ar/ark/package.nix
@@ -0,0 +1,55 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  cmake,
+  makeBinaryWrapper,
+  R,
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "ark";
+  version = "0.1.252";
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "posit-dev";
+    repo = "ark";
+    rev = finalAttrs.version;
+    hash = "sha256-AI8i15UMI+KSmweXkS/UYITZBOEDx/knjpK9SA2M+Ns=";
+  };
+
+  cargoHash = "sha256-z9l0dgmZO6f63I/2pms4VMXMxO/9SAZSq1OFubGHIpw=";
+
+  # The amalthea crate bundles libzmq via the zeromq-src crate, which builds it
+  # with CMake.
+  nativeBuildInputs = [
+    cmake
+    makeBinaryWrapper
+  ];
+
+  # Only build the `ark` binary, not the whole workspace's test/dev crates.
+  cargoBuildFlags = [
+    "--package"
+    "ark"
+  ];
+
+  # Tests require a running R installation and network access.
+  doCheck = false;
+
+  # Ark loads R dynamically at runtime, locating it via `R_HOME` or by running
+  # `R RHOME`. Put R on PATH so the kernel works out of the box.
+  postInstall = ''
+    wrapProgram $out/bin/ark \
+      --suffix PATH : ${lib.makeBinPath [ R ]}
+  '';
+
+  meta = {
+    description = "R kernel for Jupyter applications, powering Positron's R support";
+    homepage = "https://github.com/posit-dev/ark";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ thomasjm ];
+    mainProgram = "ark";
+    platforms = lib.platforms.unix;
+  };
+})