nix-env: Fix parsing of --system

https://hydra.nixos.org/build/68827814
2018-02-08 15:25:03 +01:00
parent 444bae44ef
commit ad97a21834
2 changed files with 7 additions and 0 deletions
@@ -37,6 +37,10 @@ MixCommonArgs::MixCommonArgs(const string & programName)

    std::string cat = "config";
    settings.convertToArgs(*this, cat);
+
+    // Backward compatibility hack: nix-env already had a --system flag.
+    if (programName == "nix-env") longFlags.erase("system");
+
    hiddenCategories.insert(cat);
 }