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Shell: Make redirection errors raise ShellErrors

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Naturally, this means that a command with a failing redirection will
not start, and so will terminate the pipeline (if any).
This also applies to the `exit` run when the shell is closed, fixing a
fun bug there as well (thanks to Discord user Salanty for pointing that
out) where closing the terminal (i.e. I/O error on the tty) with a
failing `exit` command would make the shell retry executing `exit` every
time, leading to an eventual stack overflow.
This commit is contained in:
Ali Mohammad Pur 2021-12-21 06:18:19 +03:30 • committed by Ali Mohammad Pur
parent 8de8a7766d
commit 783e27f8f9
3 changed files with 79 additions and 77 deletions
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8
Userland/Shell/Builtin.cpp
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@ -1093,7 +1093,13 @@ int Shell::builtin_kill(int argc, const char** argv)
command.position = m_source_position.has_value() ? m_source_position->position : Optional<AST::Position> {};
auto exit_code = 1;
if (auto job = run_command(command)) {
auto job_result = run_command(command);
if (job_result.is_error()) {
warnln("kill: Failed to run {}: {}", command.argv.first(), job_result.error());
return exit_code;
}
if (auto job = job_result.release_value()) {
block_on_job(job);
exit_code = job->exit_code();
}