date: display %Z alphabetic time zone abbreviation #7134
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Add dependencies on third-party packages `chrono-tz` and `iana-time-zone` to our `date` package. Together, these two packages allow us to produce time zone abbreviations (like `UTC`) from numeric timezone offsets.
Improve the display of dates formatted with the `%Z` specifier so that the timezone abbreviation is displayed, not just its numeric offset. Fixes uutils#3756 Co-authored-by: Jeffrey Finkelstein <[email protected]>
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| @@ -280,6 +280,8 @@ chrono = { version = "0.4.38", default-features = false, features = [ | |||
| ] } | |||
| clap = { version = "4.5", features = ["wrap_help", "cargo"] } | |||
| clap_complete = "4.4" | |||
| chrono-tz = "0.8.3" | |||
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Is there some special reason for using this version instead of the current 0.10.0?
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Improve the display of dates formatted with the
%Zspecifier so thatthe timezone abbreviation is displayed, not just its numeric offset.
To accomplish this, two dependencies on third-party packages
chrono-tzandiana-time-zoneare added to ourdatepackage. Together, these two packagesallow us to produce time zone abbreviations (like
UTC) from numerictimezone offsets.
Finally, in order for the tests to be independent of which time zone you are in, I added support for the
TZ=UTC0environment variable, which forces the timezone to be UTC.Fixes #3756
Most of the work was done by #5164, I'm just updating it and making the tests pass.