1 files changed, 20 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/dotnet/combine-packages.nix b/nixpkgs/pkgs/development/compilers/dotnet/combine-packages.nix
new file mode 100644
index 000000000000..00fb7c6d9b41
--- /dev/null
+++ b/nixpkgs/pkgs/development/compilers/dotnet/combine-packages.nix
@@ -0,0 +1,20 @@
+packages:
+{ buildEnv, lib }:
+let cli = builtins.head packages;
+in
+assert lib.assertMsg ((builtins.length packages) != 0)
+    ''You must include at least one package, e.g
+      `with dotnetCorePackages; combinePackages {
+          packages = [ sdk_3_0 aspnetcore_2_1 ];
+       };`'' ;
+  buildEnv {
+    name = "dotnet-core-combined";
+    paths = packages;
+    pathsToLink = [ "/host" "/packs" "/sdk" "/shared" "/templates" ];
+    ignoreCollisions = true;
+    postBuild = ''
+      cp ${cli}/dotnet $out/dotnet
+      mkdir $out/bin
+      ln -s $out/dotnet $out/bin/
+    '';
+  }