[Octave-bug-tracker] [bug #56080] [octave forge] (dicom) 'make dist' is not reproducible

[Mike Miller]

Follow-up Comment #3, bug #56080 (project octave):

Yes, tar has several options to override the user, group, mtime, and so on. I
would highly recommend running tar with the options '--owner=0 --group=0
--numeric-owner --sort=name address@hidden', where timestamp is a shell
or make variable containing a time_t integer.

Take a look at the signal package makefile


TAR_REPRODUCIBLE_OPTIONS := --sort=name --mtime="@$(HG_TIMESTAMP)" --owner=0
--group=0 --numeric-owner
TAR_OPTIONS  := --format=ustar $(TAR_REPRODUCIBLE_OPTIONS)


I'm not picking on dicom in particular, I just haven't looked at many Forge
packages other than the ones I contribute to until now, and I now realize that
many repos aren't making tarballs with these options, I hope that we can fix
them all.

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