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date: use UTC if TZ is empty

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This commit is contained in:
Daniel Hofstetter 2025-01-16 09:41:04 +01:00
parent ada18863a7
commit 7edd045206
2 changed files with 10 additions and 1 deletions
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2
src/uu/date/src/date.rs
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@ -277,7 +277,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
// TODO - Revisit when chrono 0.5 is released. https://github.com/chronotope/chrono/issues/970 // TODO - Revisit when chrono 0.5 is released. https://github.com/chronotope/chrono/issues/970
let tz = match std::env::var("TZ") { let tz = match std::env::var("TZ") {
// TODO Support other time zones... // TODO Support other time zones...
Ok(s) if s == "UTC0" => Tz::Etc__UTC, Ok(s) if s == "UTC0" || s.is_empty() => Tz::Etc__UTC,
_ => match get_timezone() { _ => match get_timezone() {
Ok(tz_str) => tz_str.parse().unwrap(), Ok(tz_str) => tz_str.parse().unwrap(),
Err(_) => Tz::Etc__UTC, Err(_) => Tz::Etc__UTC,

9
tests/by-util/test_date.rs
View file

@ -482,3 +482,12 @@ fn test_date_from_stdin() {
Sat Apr 15 18:30:00 UTC 2023\n", Sat Apr 15 18:30:00 UTC 2023\n",
); );
} }
#[test]
fn test_date_empty_tz() {
new_ucmd!()
.env("TZ", "")
.arg("+%Z")
.succeeds()
.stdout_only("UTC\n");
}