buildNimPackage: load lockfiles and overrides

3 files changed, 18 insertions, 1 deletions

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b62acb50ae270..b0ccb0663e65f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16811,6 +16811,7 @@ with pkgs;
   nimPackages = recurseIntoAttrs nim1.pkgs;
   nim2Packages = recurseIntoAttrs nim2.pkgs;
   buildNimPackage = callPackage ../development/compilers/nim/build-nim-package.nix { };
+  nimOverrides = callPackage ./nim-overrides.nix { };
 
   nrpl = callPackage ../development/tools/nrpl { };
 
diff --git a/pkgs/top-level/nim-overrides.nix b/pkgs/top-level/nim-overrides.nix
new file mode 100644
index 0000000000000..cf7a14b18d7d9
--- /dev/null
+++ b/pkgs/top-level/nim-overrides.nix
@@ -0,0 +1,16 @@
+{ lib
+, SDL2
+}:
+
+# The following is list of overrides that take three arguments each:
+# - lockAttrs: - an attrset from a Nim lockfile, use this for making constraints on the locked library
+# - finalAttrs: - final arguments to the depender package
+# - prevAttrs: - preceding arguments to the depender package
+{
+
+  sdl2 = lockAttrs: finalAttrs:
+    { buildInputs ? [ ], ... }: {
+      buildInputs = buildInputs ++ [ SDL2 ];
+    };
+
+}
diff --git a/pkgs/top-level/nim-packages.nix b/pkgs/top-level/nim-packages.nix
index ea3091237c13d..e60c8b416eade 100644
--- a/pkgs/top-level/nim-packages.nix
+++ b/pkgs/top-level/nim-packages.nix
@@ -7,7 +7,7 @@ lib.makeScope newScope (self:
     buildNimPackage = buildNimPackage.override {
       defaultNimVersion =
         if lib.versionAtLeast nim.version "2.0.0" then 2 else 1;
-    };
+    } { };
 
     asciigraph = callPackage ../development/nim-packages/asciigraph { };