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Don't show flags from config settings in "nix --help"

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This commit is contained in:
Eelco Dolstra 2017-06-07 18:41:20 +02:00
parent aa952d5f0b
commit 186571965d
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GPG key ID: 8170B4726D7198DE
9 changed files with 140 additions and 54 deletions
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26
src/libutil/args.cc
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@ -3,6 +3,18 @@
namespace nix {
Args::FlagMaker Args::mkFlag()
{
return FlagMaker(*this);
}
Args::FlagMaker::~FlagMaker()
{
assert(flag->longName != "");
args.longFlags[flag->longName] = flag;
if (flag->shortName) args.shortFlags[flag->shortName] = flag;
}
void Args::parseCmdline(const Strings & _cmdline)
{
Strings pendingArgs;
@ -71,11 +83,13 @@ void Args::printHelp(const string & programName, std::ostream & out)
void Args::printFlags(std::ostream & out)
{
Table2 table;
for (auto & flag : longFlags)
for (auto & flag : longFlags) {
if (hiddenCategories.count(flag.second->category)) continue;
table.push_back(std::make_pair(
(flag.second.shortName ? std::string("-") + flag.second.shortName + ", " : " ")
+ "--" + flag.first + renderLabels(flag.second.labels),
flag.second.description));
(flag.second->shortName ? std::string("-") + flag.second->shortName + ", " : " ")
+ "--" + flag.first + renderLabels(flag.second->labels),
flag.second->description));
}
printTable(out, table);
}
@ -99,14 +113,14 @@ bool Args::processFlag(Strings::iterator & pos, Strings::iterator end)
if (string(*pos, 0, 2) == "--") {
auto i = longFlags.find(string(*pos, 2));
if (i == longFlags.end()) return false;
return process("--" + i->first, i->second);
return process("--" + i->first, *i->second);
}
if (string(*pos, 0, 1) == "-" && pos->size() == 2) {
auto c = (*pos)[1];
auto i = shortFlags.find(c);
if (i == shortFlags.end()) return false;
return process(std::string("-") + c, i->second);
return process(std::string("-") + c, *i->second);
}
return false;