Hi, after Faux found a package with a variation not in time, but only in the date  because it was built around midnight, I had an idea about how to get a variation in the day, without having to change the clock of the host.
Varying the timezone between the first and second build to the lowest and highest possible offset gives a difference of about one day: $ TZ=/usr/share/zoneinfo/Etc/GMT+12 date Tue Feb 24 09:05:40 GMT+12 2015 $ TZ=/usr/share/zoneinfo/Etc/GMT-14 date Wed Feb 25 11:05:49 GMT-14 2015 It is even possible to cover a day and 2 hours. :) (Perhaps it's even possible to create custom timezones, that would allow even larger variations like a year or so...?) What do you think about this approach? Would there be any disadvantages, and does anyone know of tools that ignore the TZ setting? Regards, Reiner : https://reproducible.debian.net/cp2k
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