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dropEmptyInitThenConcatStringsSep -> concatStringSep: break nix help "" "" "" build

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Garbage in, error out. Experimental CLI. Zero derivations given.
This commit is contained in:
Robert Hensing 2024-07-13 01:29:15 +02:00
parent 062672b022
commit d9043021df
1 changed files with 2 additions and 2 deletions
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4
src/nix/main.cc
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@ -240,7 +240,7 @@ struct NixArgs : virtual MultiCommand, virtual MixCommonArgs, virtual RootArgs
lowdown. */
static void showHelp(std::vector<std::string> subcommand, NixArgs & toplevel)
{
auto mdName = subcommand.empty() ? "nix" : fmt("nix3-%s", dropEmptyInitThenConcatStringsSep("-", subcommand));
auto mdName = subcommand.empty() ? "nix" : fmt("nix3-%s", concatStringsSep("-", subcommand));
evalSettings.restrictEval = false;
evalSettings.pureEval = false;
@ -275,7 +275,7 @@ static void showHelp(std::vector<std::string> subcommand, NixArgs & toplevel)
auto attr = vRes->attrs()->get(state.symbols.create(mdName + ".md"));
if (!attr)
throw UsageError("Nix has no subcommand '%s'", dropEmptyInitThenConcatStringsSep("", subcommand));
throw UsageError("Nix has no subcommand '%s'", concatStringsSep("", subcommand));
auto markdown = state.forceString(*attr->value, noPos, "while evaluating the lowdown help text");