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truncate: fix error message for file not found

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Change the error message for when the reference file (the `-r` argument)
is not found to match GNU coreutils. This commit also eliminates a
redundant call to `File::open`; the file need not be opened because the
size in bytes can be read from the result of `std::fs::metadata()`.
This commit is contained in:
Jeffrey Finkelstein 2021-05-20 20:55:11 -04:00
parent b9e99543db
commit fc29846b45
2 changed files with 16 additions and 6 deletions
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8
tests/by-util/test_truncate.rs
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@ -245,3 +245,11 @@ fn test_invalid_numbers() {
new_ucmd!().args(&["-s", "0XB", "file"]).fails().stderr_contains("Invalid number: ‘0XB’");
new_ucmd!().args(&["-s", "0B", "file"]).fails().stderr_contains("Invalid number: ‘0B’");
}
#[test]
fn test_reference_file_not_found() {
new_ucmd!()
.args(&["-r", "a", "b"])
.fails()
.stderr_contains("cannot stat 'a': No such file or directory");
}