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cat: return the same error message as GNU with loop symlink (#5466)

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* cat: return the same error message as GNU with loop symlink

Should fix tests/du/long-sloop.sh because it is using cat as a ref
for error messages

Co-authored-by: Daniel Hofstetter <daniel.hofstetter@42dh.com>
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Sylvestre Ledru 2023-10-28 22:29:24 +02:00 • committed by GitHub
parent 64916b0698
commit c24a51403a
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2 changed files with 32 additions and 2 deletions
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12
tests/by-util/test_cat.rs
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@ -540,3 +540,15 @@ fn test_write_to_self() {
"first_file_content.second_file_content."
);
}
#[test]
#[cfg(unix)]
fn test_error_loop() {
let (at, mut ucmd) = at_and_ucmd!();
at.symlink_file("2", "1");
at.symlink_file("3", "2");
at.symlink_file("1", "3");
ucmd.arg("1")
.fails()
.stderr_is("cat: 1: Too many levels of symbolic links\n");
}