Hi Simon, > However, many things can be out of rail. This claim about > reproducibility over the time assumes: > > 1. compatibility of the Linux kernel > 2. availability of all the source code > 3. compatibility of the hardware > > Well, until now, nothing had been reported about #1. But, we have > examples of issues about #2 and #3.
Thanks for pointing this out. I have had #3 issues myself, with a package (OpenBLAS or something related) failing to build on processors later than the software release date. But I guess #2 is the main issue for reviving old code. Software Heritage should settle that for the future. > All that said, Guix is the best and most advanced solution on the market > for reproducible time-traveling. :-) For most of the cases, it is > awesome to just type “guix time-machine” and rebuild a complete > computational environment exactly as it was 2 or 3 years ago. Indeed! > That’s because version-1.0.0 (48aa30ce73) is a branch and indeed not a > descendant. ... > What you want is tag v1.0.0 (6298c3ffd9). Otherwise, you need the > option ’--disable-authentication’. OK, thanks, I will try with that! Cheers, Konrad.
