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builtin.cpp: show a short options' - for BUILTIN_ERR_MISSING

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This commit is contained in:
Aaron Gyes 2021-11-03 22:51:20 -07:00
parent 710639f5d6
commit 72c04d11ad
1 changed files with 6 additions and 1 deletions
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7
src/builtin.cpp
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@ -176,9 +176,14 @@ void builtin_unknown_option(parser_t &parser, io_streams_t &streams, const wchar
void builtin_missing_argument(parser_t &parser, io_streams_t &streams, const wchar_t *cmd, void builtin_missing_argument(parser_t &parser, io_streams_t &streams, const wchar_t *cmd,
const wchar_t *opt, bool print_hints) { const wchar_t *opt, bool print_hints) {
if (opt[0] == L'-' && opt[1] != L'-') { if (opt[0] == L'-' && opt[1] != L'-') {
// if c in -qc '-qc' is missing the argument, now opt is just 'c'
opt += std::wcslen(opt) - 1; opt += std::wcslen(opt) - 1;
// now prepend - to output -c
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, wcstring(L"-").append(opt).c_str());
} }
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, opt); else
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, opt);
if (print_hints) { if (print_hints) {
builtin_print_error_trailer(parser, streams.err, cmd); builtin_print_error_trailer(parser, streams.err, cmd);
} }