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Merge pull request #13500 from NixOS/mergify/bp/2.30-maintenance/pr-13496

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Fix `nix help shell` by properly handling command aliases (backport #13496)
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Jörg Thalheim 2025-07-17 20:47:03 +02:00 • committed by GitHub
commit 7f5709c012
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8
src/nix/main.cc
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@ -212,6 +212,14 @@ struct NixArgs : virtual MultiCommand, virtual MixCommonArgs, virtual RootArgs
lowdown. */
static void showHelp(std::vector<std::string> subcommand, NixArgs & toplevel)
{
// Check for aliases if subcommand has exactly one element
if (subcommand.size() == 1) {
auto alias = toplevel.aliases.find(subcommand[0]);
if (alias != toplevel.aliases.end()) {
subcommand = alias->second.replacement;
}
}
auto mdName = subcommand.empty() ? "nix" : fmt("nix3-%s", concatStringsSep("-", subcommand));
evalSettings.restrictEval = false;