micromamba: init at 0.14.1

pkgs/tools/package-management/micromamba/default.nix

@@ -0,0 +1,49 @@
+{ lib, stdenv, fetchFromGitHub, cmake
+, cli11, nlohmann_json, curl, libarchive, libyamlcpp, libsolv, reproc
+}:
+
+let
+  libsolv' = libsolv.overrideAttrs (oldAttrs: {
+    cmakeFlags = oldAttrs.cmakeFlags ++ [
+      "-DENABLE_CONDA=true"  # Maybe enable this in the original libsolv package? No idea about the implications.
+    ];
+  });
+in
+stdenv.mkDerivation rec {
+  pname = "micromamba";
+  version = "0.14.1";
+
+  src = fetchFromGitHub {
+    owner = "mamba-org";
+    repo = "mamba";
+    rev = version;
+    sha256 = "0a5kmwk44ll4d8b2akjc0vm6ap9jfxclcw4fclvjxr2in3am9256";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [
+    cli11
+    nlohmann_json
+    curl
+    libarchive
+    libyamlcpp
+    libsolv'
+    reproc
+    # python3Packages.pybind11 # Would be necessary if someone wants to build with bindings I guess.
+  ];
+
+  cmakeFlags = [
+    "-DBUILD_BINDINGS=OFF" # Fails to build, I don't think it's necessary for now.
+    "-DBUILD_EXE=ON"
+  ];
+
+  CXXFLAGS = "-DMAMBA_USE_STD_FS";
+
+  meta = with lib; {
+    description = "Reimplementation of the conda package manager";
+    homepage = "https://github.com/mamba-org/mamba";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ mausch ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -30938,6 +30938,8 @@ in
 
   mas = callPackage ../os-specific/darwin/mas { };
 
+  micromamba = callPackage ../tools/package-management/micromamba { };
+
   moltengamepad = callPackage ../misc/drivers/moltengamepad { };
 
   openzwave = callPackage ../development/libraries/openzwave { };