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bug#44257: guix boot stop


From: Tobias Geerinckx-Rice
Subject: bug#44257: guix boot stop
Date: Wed, 28 Oct 2020 18:31:42 +0100

Well, since this is the Internet...

Leo Famulari 写道:
The timestamps are reset to "zero" (the first date possible on Unix systems) as part of Guix's efforts to build everything reproducibly.

The manual does claim as much (in (guix)Binary Installation) but it's never been true:

 $ stat -c %Y /gnu/store/arbitrary.file
 1

0 is a valid value:

 $ touch -d @0 /tmp/foo
 $ stat -c %Y /tmp/foo
 0

But (IIRC) it's a dangerous one to use in practice as too much code assumes it never occurs in the wild, and use it to mean something special for internal use. IIRRC GNU make was (once?) one such culprit.

I shall patch the manual and make this an actionable bug after all.

Thanks,

T G-R

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