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Re: Git should preserve modification times at least on request

From
'B'Peter Backes' <rtc@helen.plasma.xg8.de>
Date
Feb 26, 2018, 11:04 UTC
Message-ID
<20180226110435.GA23573@helen.PLASMA.Xg8.DE>
In-Reply-To
<20180226105642.GA6549@inner.h.apk.li>
On Mon, Feb 26, 2018 at 11:56:42AM +0100, Andreas Krey wrote:
Show 7 quoted lines
> > The bigger issue is usually to copy with those pesky leap seconds. It 
> > makes a difference whether one uses solar seconds ("posix" style; those 
> > are more commonly seen) or atomic seconds ("right" style) for the UNIX 
> > timestamp.
> 
> Is there any system, unix or otherwise, that uses 'right'-style seconds,
> i.e. TAI, as its base?

Most certainly there is. This depends on the individual configuration of the system. On my Fedora system, the commonly used tzdata package off the shelf contains support for 'right' style versions of all timezones in /usr/share/zoneinfo/right If the user links one of those timezones to /etc/localtime or manually specifies them (like TZ=right/Europe/Berlin ls -l) they will be used.

You don't find a lot of those systems today, but those who used to use the 'right' timestamps might for legacy reasons explicitly configure their system to use those timezone variants. I personally did this for a number of years, but then converted the filesystems timestamps to 'posix' and I am now exclusively using 'posix' ones.

Best wishes Peter

-- 
Peter Backes, rtc@helen.PLASMA.Xg8.DE
Previous: Andreas KreyNext: Derek Fawcus
Message 26 of 28 in “Git should preserve modification times at least on request”
  1. Peter BackesFeb 19, 2018
  2. Johannes SchindelinFeb 19, 2018
  3. Peter BackesFeb 19, 2018
  4. Theodore Ts'oFeb 20, 2018
  5. Johannes SchindelinFeb 20, 2018
  6. Peter BackesFeb 20, 2018
  7. Peter BackesFeb 20, 2018
  8. Johannes SchindelinFeb 20, 2018
  9. Peter BackesFeb 20, 2018
  10. Phillip WoodFeb 21, 2018
  11. Randall S. BeckerFeb 19, 2018
  12. Hilco WijbengaFeb 19, 2018
  13. Hilco WijbengaFeb 20, 2018
  14. Jeff KingFeb 20, 2018
  15. Peter BackesFeb 20, 2018
  16. Jacob KellerFeb 21, 2018
  17. Junio C HamanoFeb 20, 2018
  18. Derek FawcusFeb 21, 2018
  19. Ævar Arnfjörð BjarmasonFeb 21, 2018
  20. Peter BackesFeb 21, 2018
  21. Ævar Arnfjörð BjarmasonFeb 21, 2018
  22. Peter BackesFeb 21, 2018
  23. Randall S. BeckerFeb 21, 2018
  24. 'Peter Backes'Feb 22, 2018
  25. Andreas KreyFeb 26, 2018
  26. 'Peter Backes'Feb 26, 2018
  27. Derek FawcusFeb 22, 2018
  28. Konstantin KhomoutovFeb 23, 2018

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