RFR: 8284539: Configure --with-source-date=version fails on MacOS

Tue Apr 19 13:10:24 UTC 2022

On Thu, 14 Apr 2022 16:13:59 GMT, Andrew Leonard <aleonard at openjdk.org> wrote:

> JDK-8282769 added support for more ISO-8601 formats, but remove handling of just a date "YYYY-MM-DD" being present, which is the case for a configure using --with-source-date=version which uses the date string from version-numbers.conf.
> Also, the first date parse had an invalid format string "%FZ %TZ", with too many Zs.
> This PR corrects the first date parse to parse a standard ISO-8601 Zulu date&time: "%FT%TZ"
> Then it adds the final check for no time being specified.
> 
> Signed-off-by: Andrew Leonard <anleonar at redhat.com>

Marked as reviewed by ihse (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8247