Suppress "Available top-level options:" if none available
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@ -814,10 +814,14 @@ void ArgumentParser::printHelp(ostream &os) const
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}
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if (!m_mainArgs.empty()) {
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bool hasOperations = false;
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bool hasOperations = false, hasTopLevelOptions = false;
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for (const Argument *const arg : m_mainArgs) {
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if (arg->denotesOperation()) {
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hasOperations = true;
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} else if (strcmp(arg->name(), "help")) {
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hasTopLevelOptions = true;
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}
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if (hasOperations && hasTopLevelOptions) {
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break;
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}
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}
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@ -833,13 +837,15 @@ void ArgumentParser::printHelp(ostream &os) const
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os << '\n';
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arg->printInfo(os);
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}
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os << "\nAvailable top-level options:";
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for (const Argument *const arg : m_mainArgs) {
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if (arg->denotesOperation() || arg->isDeprecated() || !strcmp(arg->name(), "help")) {
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continue;
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if (hasTopLevelOptions) {
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os << "\nAvailable top-level options:";
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for (const Argument *const arg : m_mainArgs) {
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if (arg->denotesOperation() || arg->isDeprecated() || !strcmp(arg->name(), "help")) {
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continue;
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}
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os << '\n';
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arg->printInfo(os);
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}
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os << '\n';
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arg->printInfo(os);
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}
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} else {
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// just show all args if no operations are available
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