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nix config check: improve error when no nix-env in PATH #15046

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Merged
Ericson2314 merged 1 commit into from
Jan 22, 2026
Merged

nix config check: improve error when no nix-env in PATH #15046

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4 changes: 3 additions & 1 deletion src/nix/config-check.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,9 @@ struct CmdConfigCheck : StoreCommand
dirs.insert(std::filesystem::canonical(candidate).parent_path());
}

if (dirs.size() != 1) {
if (dirs.empty()) {
return checkFail("No nix-env found in PATH.");
} else if (dirs.size() > 1) {
std::ostringstream ss;
ss << "Multiple versions of nix found in PATH:\n";
for (auto & dir : dirs)
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