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Apply code review from #6806

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This commit is contained in:
ridiculousfish 2020-04-28 10:54:48 -07:00
parent 3a47db74b0
commit 844ae48dc0
1 changed files with 5 additions and 5 deletions
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10
src/builtin_eval.cpp
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@ -27,6 +27,9 @@ int builtin_eval(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
new_cmd += argv[i];
}
// Copy the full io chain; we may append bufferfills.
io_chain_t ios = *streams.io_chain;
// If stdout is piped, then its output must go to the streams, not to the io_chain in our
// streams, because the pipe may be intended to be consumed by a process which
// is not yet launched (#6806). If stdout is NOT redirected, it must see the tty (#6955). So
@ -41,6 +44,7 @@ int builtin_eval(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
// We were unable to create a pipe, probably fd exhaustion.
return STATUS_CMD_ERROR;
}
ios.push_back(stdout_fill);
}
// Of course the same applies to stderr.
@ -51,13 +55,9 @@ int builtin_eval(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
if (!stderr_fill) {
return STATUS_CMD_ERROR;
}
ios.push_back(stderr_fill);
}
// Construct the full io chain, perhaps with our bufferfills appended.
io_chain_t ios = *streams.io_chain;
if (stdout_fill) ios.push_back(stdout_fill);
if (stderr_fill) ios.push_back(stderr_fill);
int status = STATUS_CMD_OK;
auto res = parser.eval(new_cmd, ios, streams.parent_pgid);
if (res.was_empty) {