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authorEelco Dolstra <edolstra@gmail.com>2018-02-08T14·25+0100
committerEelco Dolstra <edolstra@gmail.com>2018-02-08T14·25+0100
commitad97a218344937d8586d0f4f710f3785da77f5bd (patch)
tree2d1645a485979688b6cbb51b07733832e26c5982 /src/libmain
parent444bae44ef3c27959d837d2e1f28131290cb52a7 (diff)
nix-env: Fix parsing of --system
https://hydra.nixos.org/build/68827814
Diffstat (limited to 'src/libmain')
-rw-r--r--src/libmain/common-args.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libmain/common-args.cc b/src/libmain/common-args.cc
index d3aac6aba1ff..bcc05c2cdad6 100644
--- a/src/libmain/common-args.cc
+++ b/src/libmain/common-args.cc
@@ -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);
 }