Nixify hackage-to-nix output

hamishmack · hamishmack · commit becf0c16923e · 2022-08-03T13:37:35.000+12:00
diff --git a/flake.lock b/flake.lock
diff --git a/flake.nix b/flake.nix
@@ -11,7 +11,7 @@
     flake-utils = { url = "github:numtide/flake-utils"; };
     hydra.url = "hydra";
     hackage = {
-      url = "github:input-output-hk/hackage.nix";
+      url = "github:input-output-hk/hackage.nix/hkm/nixify";
       flake = false;
     };
     stackage = {
diff --git a/modules/hackage.nix b/modules/hackage.nix
@@ -45,7 +45,7 @@ let
                 inherit (version) sha256;
                 revision = rev.revNum;
                 revisionSha256 = rev.sha256;
-              } // import rev modArgs;
+              } // (rev.nix or (import rev)) modArgs;
               f = rev: acc: acc // {
                 # If there's a collision (e.g. a revision was
                 # reverted), pick the one with the smaller
