1 files changed, 55 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/top-level/packages-config.nix b/nixpkgs/pkgs/top-level/packages-config.nix
new file mode 100644
index 000000000000..79be645162ea
--- /dev/null
+++ b/nixpkgs/pkgs/top-level/packages-config.nix
@@ -0,0 +1,55 @@
+# Used in the generation of package search database.
+{
+  # Ensures no aliases are in the results.
+  allowAliases = false;
+
+  # Enable recursion into attribute sets that nix-env normally doesn't look into
+  # so that we can get a more complete picture of the available packages for the
+  # purposes of the index.
+  packageOverrides = super: with super; lib.mapAttrs (_: set: recurseIntoAttrs set) {
+    inherit (super)
+      apacheHttpdPackages
+      fdbPackages
+      fusePackages
+      gns3Packages
+      idrisPackages
+      nodePackages
+      nodePackages_latest
+      platformioPackages
+      quicklispPackagesClisp
+      quicklispPackagesSBCL
+      rPackages
+      roundcubePlugins
+      sconsPackages
+      sourceHanPackages
+      steamPackages
+      ut2004Packages
+      zabbix40
+      zabbix50
+      zabbix60
+      zeroadPackages
+    ;
+
+    haskellPackages = super.haskellPackages // {
+      # mesos, which this depends on, has been removed from nixpkgs. We are keeping
+      # the error message for now, so users will get an error message they can make
+      # sense of, but need to work around it here.
+      # TODO(@sternenseemann): remove this after branch-off of 22.05, along with the
+      # override in configuration-nix.nix
+      hs-mesos = null;
+    };
+
+    # Make sure haskell.compiler is included, so alternative GHC versions show up,
+    # but don't add haskell.packages.* since they contain the same packages (at
+    # least by name) as haskellPackages.
+    haskell = super.haskell // {
+      compiler = recurseIntoAttrs super.haskell.compiler;
+    };
+
+    # minimal-bootstrap packages aren't used for anything but bootstrapping our
+    # stdenv. They should not be used for any other purpose and therefore not
+    # show up in search results or repository tracking services that consume our
+    # packages.json https://github.com/NixOS/nixpkgs/issues/244966
+    minimal-bootstrap = { };
+  };
+}