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set: Don't create empty var when erasing index

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When using `set -e foo[1]` to erase an index, if the variable doesn't
already exist, return 1 instead of creating it as an empty variable.
This commit is contained in:
Kevin Ballard 2014-07-12 15:43:32 -07:00
parent dcc043df3b
commit 387ec5c06a
1 changed files with 28 additions and 19 deletions
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47
builtin_set.cpp
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@ -712,33 +712,42 @@ static int builtin_set(parser_t &parser, wchar_t **argv)
const env_var_t dest_str = env_get_string(dest, scope);
if (! dest_str.missing())
tokenize_variable_array(dest_str, result);
for (; woptind<argc; woptind++)
{
if (!parse_index(indexes, argv[woptind], dest, result.size()))
{
builtin_print_help(parser, argv[0], stderr_buffer);
retcode = 1;
break;
}
tokenize_variable_array(dest_str, result);
}
else if (erase)
{
retcode = 1;
}
size_t idx_count = indexes.size();
size_t val_count = argc-woptind-1;
if (!erase)
if (!retcode)
{
for (; woptind<argc; woptind++)
{
if (val_count < idx_count)
if (!parse_index(indexes, argv[woptind], dest, result.size()))
{
append_format(stderr_buffer, _(BUILTIN_SET_ARG_COUNT), argv[0]);
builtin_print_help(parser, argv[0], stderr_buffer);
retcode=1;
retcode = 1;
break;
}
if (val_count == idx_count)
size_t idx_count = indexes.size();
size_t val_count = argc-woptind-1;
if (!erase)
{
woptind++;
break;
if (val_count < idx_count)
{
append_format(stderr_buffer, _(BUILTIN_SET_ARG_COUNT), argv[0]);
builtin_print_help(parser, argv[0], stderr_buffer);
retcode=1;
break;
}
if (val_count == idx_count)
{
woptind++;
break;
}
}
}
}