Exclude packages versions found in hackage from dummy-ghc

input-output-hk · Apr 29, 2024 · aa7b1b5 · aa7b1b5
1 parent 021122f
commit aa7b1b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/call-cabal-project-to-nix.nix b/lib/call-cabal-project-to-nix.nix
@@ -470,7 +470,7 @@ let
                   fi
                 ''
               }
-              if [[ ! "${pkgs.lib.concatStringsSep " " (builtins.attrNames pkgs.haskell-nix.hackage.${name})}" =~ "$VER_${varname name}" ]]; then
+              if [[ ! "${pkgs.lib.concatStringsSep " " (builtins.attrNames pkgs.haskell-nix.hackage.${name} or {})}" =~ "$VER_${varname name}" ]]; then
                 PKGS+=" ${name}"
                 LAST_PKG="${name}"
               fi