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unbreak missing argument error on long option

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This commit is contained in:
Johannes Altmanninger 2020-01-08 17:33:36 +01:00
parent fdf398e435
commit 75fa3b6bae
5 changed files with 16 additions and 8 deletions
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11
src/builtin.cpp
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@ -178,9 +178,14 @@ void builtin_unknown_option(parser_t &parser, io_streams_t &streams, const wchar
/// Perform error reporting for encounter with missing argument.
void builtin_missing_argument(parser_t &parser, io_streams_t &streams, const wchar_t *cmd,
const wchar_t *opt) {
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, opt + std::wcslen(opt) - 1);
builtin_print_error_trailer(parser, streams.err, cmd);
const wchar_t *opt, bool print_hints) {
if (opt[0] == L'-' && opt[1] != L'-') {
opt += std::wcslen(opt) - 1;
}
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, opt);
if (print_hints) {
builtin_print_error_trailer(parser, streams.err, cmd);
}
}
/// Print the backtrace and call for help that we use at the end of error messages.

2
src/builtin.h
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@ -96,7 +96,7 @@ void builtin_unknown_option(parser_t &parser, io_streams_t &streams, const wchar
const wchar_t *opt);
void builtin_missing_argument(parser_t &parser, io_streams_t &streams, const wchar_t *cmd,
const wchar_t *opt);
const wchar_t *opt, bool print_hints = true);
void builtin_print_error_trailer(parser_t &parser, output_stream_t &b, const wchar_t *cmd);

4
src/builtin_argparse.cpp
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@ -550,8 +550,8 @@ static int argparse_parse_flags(parser_t &parser, argparse_cmd_opts_t &opts,
wgetopter_t w;
while ((opt = w.wgetopt_long(argc, argv, short_options, long_options, &long_idx)) != -1) {
if (opt == ':') {
const wchar_t *arg = argv[w.woptind - 1];
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, arg + std::wcslen(arg) - 1);
builtin_missing_argument(parser, streams, cmd, argv[w.woptind - 1],
false /* print_hints */);
return STATUS_INVALID_ARGS;
} else if (opt == '?') {
// It's not a recognized flag. See if it's an implicit int flag.

4
src/builtin_string.cpp
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@ -458,8 +458,8 @@ static int parse_opts(options_t *opts, int *optind, int n_req_args, int argc, wc
int retval = fn->second(argv, parser, streams, w, opts);
if (retval != STATUS_CMD_OK) return retval;
} else if (opt == ':') {
const wchar_t *arg = argv[w.woptind - 1];
string_error(streams, BUILTIN_ERR_MISSING, cmd, arg + std::wcslen(arg) - 1);
streams.err.append(L"string "); // clone of string_error
builtin_missing_argument(parser, streams, cmd, argv[w.woptind - 1], false /* print_hints */);
return STATUS_INVALID_ARGS;
} else if (opt == '?') {
string_unknown_option(parser, streams, cmd, argv[w.woptind - 1]);

3
tests/checks/argparse.fish
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@ -307,3 +307,6 @@ end
# #6483 - error messages for missing arguments
argparse -n foo q r/required= -- foo -qr
# CHECKERR: foo: Expected argument for option r
argparse r/required= -- foo --required
# CHECKERR: argparse: Expected argument for option --required