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Shell: Add support for unset -v in POSIX mode

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Ali Mohammad Pur 2023-04-19 12:17:38 +03:30 • committed by Ali Mohammad Pur
parent 71441ea932
commit e2336d9de5
1 changed files with 4 additions and 1 deletions
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5
Userland/Shell/Builtin.cpp
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@ -1198,9 +1198,12 @@ ErrorOr<int> Shell::builtin_wait(Main::Arguments arguments)
ErrorOr<int> Shell::builtin_unset(Main::Arguments arguments) ErrorOr<int> Shell::builtin_unset(Main::Arguments arguments)
{ {
Vector<DeprecatedString> vars; Vector<DeprecatedString> vars;
bool unset_only_variables = false; // POSIX only.
Core::ArgsParser parser; Core::ArgsParser parser;
parser.add_positional_argument(vars, "List of variables", "variables", Core::ArgsParser::Required::Yes); parser.add_positional_argument(vars, "List of variables", "variables", Core::ArgsParser::Required::Yes);
if (m_in_posix_mode)
parser.add_option(unset_only_variables, "Unset only variables", "variables", 'v');
if (!parser.parse(arguments, Core::ArgsParser::FailureBehavior::PrintUsage)) if (!parser.parse(arguments, Core::ArgsParser::FailureBehavior::PrintUsage))
return 1; return 1;
@ -1212,7 +1215,7 @@ ErrorOr<int> Shell::builtin_unset(Main::Arguments arguments)
if (TRY(lookup_local_variable(value)) != nullptr) { if (TRY(lookup_local_variable(value)) != nullptr) {
unset_local_variable(value); unset_local_variable(value);
} else { } else if (!unset_only_variables) {
unsetenv(value.characters()); unsetenv(value.characters());
} }
} }