silver-platter: build the Rust portion rather than the Python bindings

At the moment this package just builds the Python bindings, which isn't
as useful as building the Rust binary. I'll package the Python bindings
up separately.

pkgs/by-name/si/silver-platter/package.nix

@@ -1,53 +1,62 @@
 {
-  python3Packages,
   lib,
   stdenv,
-  fetchFromGitHub,
-  pkg-config,
   rustPlatform,
-  cargo,
-  rustc,
+  fetchFromGitHub,
+  python3,
+  makeBinaryWrapper,
+  pkg-config,
   libiconv,
   openssl,
+  versionCheckHook,
 }:
 
-python3Packages.buildPythonApplication rec {
+rustPlatform.buildRustPackage (finalAttrs: {
   pname = "silver-platter";
   version = "0.8.1";
-  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "jelmer";
     repo = "silver-platter";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-/GFTM/VF+b0I8cDY4vkHzSxCBbvpMiLBVVEPFHcn1/Q=";
   };
 
-  cargoDeps = rustPlatform.fetchCargoVendor {
-    inherit pname version src;
-    hash = "sha256-Y16OnSBC4v21NcCeWAwwGoFYJMQq/se25QqvpMyblmk=";
-  };
+  cargoHash = "sha256-Y16OnSBC4v21NcCeWAwwGoFYJMQq/se25QqvpMyblmk=";
 
-  dependencies = with python3Packages; [
-    setuptools
-    breezy
-    dulwich
-    jinja2
-    pyyaml
-    ruamel-yaml
-  ];
-  nativeBuildInputs = [
-    python3Packages.setuptools-rust
-    rustPlatform.cargoSetupHook
-    cargo
-    rustc
+  buildInputs = [
+    python3
   ]
-  ++ lib.optionals stdenv.hostPlatform.isLinux [ pkg-config ];
-  buildInputs =
-    lib.optionals stdenv.hostPlatform.isLinux [ openssl ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ];
+  ++ lib.optionals stdenv.hostPlatform.isLinux [ openssl ]
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ];
 
-  pythonImportsCheck = [ "silver_platter" ];
+  nativeBuildInputs = [
+    python3
+    pkg-config
+
+    python3.pkgs.wrapPython
+    makeBinaryWrapper
+  ];
+
+  nativeCheckInputs = [
+    python3.pkgs.breezy
+  ];
+
+  pythonPath = [
+    python3.pkgs.breezy
+  ];
+
+  postFixup = ''
+    wrapPythonPrograms
+    for pgm in $out/bin/svp $out/bin/debian-svp; do
+      wrapProgram "$pgm" \
+        --set PYTHONNOUSERSITE "true" \
+        --set PYTHONPATH "$program_PYTHONPATH"
+    done
+  '';
+
+  doInstallCheck = true;
+  nativeInstallCheckInputs = [ versionCheckHook ];
 
   meta = {
     description = "Automate the creation of merge proposals for scriptable changes";
@@ -56,4 +65,4 @@ python3Packages.buildPythonApplication rec {
     maintainers = with lib.maintainers; [ lukegb ];
     mainProgram = "svp";
   };
-}
+})