miniforge: added default.nix

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

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, python3, conda }:
+
+stdenv.mkDerivation rec {
+  pname = "miniforge";
+  version = "24.11.0-0";
+
+  src = fetchFromGitHub {
+    owner = "conda-forge";
+    repo = "miniforge";
+    rev = version;
+    sha256 =
+      "sha256-Mtw0TI5LWv7aC2kCx7EStYXEUa9J3xTwUPpN/z9GvAQ="; 
+  };
+
+  buildInputs = [ python3 conda ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp -r * $out/
+    ln -s $out/miniforge3/bin/conda $out/bin/miniforge-conda
+  '';
+
+  meta = with lib; {
+    description = "A conda-forge distribution with mamba 1.5.11";
+    homepage = "https://github.com/conda-forge/miniforge";
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+    maintainers = with maintainers;
+      [ ]; 
+  };
+}