libdeltachat: also install interactive repl

pkgs/development/libraries/libdeltachat/default.nix

@@ -1,4 +1,5 @@
 { lib
+, rust
 , stdenv
 , fetchFromGitHub
 , cargo
@@ -42,6 +43,18 @@ stdenv.mkDerivation rec {
     };
   };
 
+  outputs = [ "bin" "out" ];
+
+  preBuild = ''
+    cargo build \
+      --target ${rust.envVars.rustHostPlatformSpec} \
+      --release \
+      -p deltachat-repl \
+      --frozen \
+      -j $NIX_BUILD_CORES \
+      -Z unstable-options --out-dir $bin/bin/
+  '';
+
   nativeBuildInputs = [
     cmake
     perl

pkgs/development/python-modules/deltachat/default.nix

@@ -56,8 +56,11 @@ buildPythonPackage rec {
     "deltachat.message"
   ];
 
-  meta = libdeltachat.meta // {
+  meta = {
     description = "Python bindings for the Delta Chat Core library";
     homepage = "https://github.com/deltachat/deltachat-core-rust/tree/master/python";
-  };
+    license = lib.licenses.mpl20;
+    maintainers = with lib.maintainers; [ dotlambda srapenne ];
+    platforms = lib.platforms.unix;
+};
 }