diff options
| -rw-r--r-- | src/nix-env/nix-env.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc index 40c3c5d65..eb5fbc08f 100644 --- a/src/nix-env/nix-env.cc +++ b/src/nix-env/nix-env.cc @@ -128,7 +128,12 @@ static void getAllExprs(EvalState & state, if (hasSuffix(attrName, ".nix")) attrName = std::string(attrName, 0, attrName.size() - 4); if (!seen.insert(attrName).second) { - printError("warning: name collision in input Nix expressions, skipping '%1%'", path2); + std::string suggestionMessage = ""; + if (path2.find("channels") != std::string::npos && path.find("channels") != std::string::npos) { + suggestionMessage = fmt("\nsuggestion: remove '%s' from either the root channels or the user channels", attrName); + } + printError("warning: name collision in input Nix expressions, skipping '%1%'" + "%2%", path2, suggestionMessage); continue; } /* Load the expression on demand. */ |