Le 3 juillet 2019 06:05:02 GMT+02:00, [email protected] a écrit : >Hello, Guix Help! I am translating Guix manual and found that the >author is entirely given to reproducibility. It leads to such phrases >that metadata breaks reproducibility when he describes >'--save-provenance' flag of 'guix pack' command here: > >'This option is not enabled by default because, like timestamps, >provenance information contributes nothing to the build process. In >other words, there is an infinity of channel URLs and commit IDs that >can lead to the same pack. Recording such “silent” metadata in the >output thus potentially breaks the source-to-binary bitwise >reproducibility property. ' > >I did not expected such a categorical statement. I think, it does not >actually break reproducibility but only complicates checks. If we have >to talk about reproducibility to ignoramus, saying 'this option breaks >reproducibility option' have to have remark 'simply put' or 'plainly'.
I think the key here is "bitwise": it breaks reproducibility in terms of the build results not having the same hash. Does it make sense?
