> On Wednesday, March 9, 2022, 03:57:51 PM CST, Tobias Geerinckx-Rice wrote: > > > > > > What Maxime means is that some forges (like GitHub) generate these archives on the fly, instead of the author uploading a 'stable' file.  You can usually tell them apart by the URL, but I forget GitLab's conventions. > > These archives might be cached for a while but if they are regenerated the hash could change even if the unpacked data didn't.  This has happened in the past and breaks e.g. guix time-machine even if 'fixed' on master. > > Hence we prefer git-fetch when available, or tarballs that look human-generated. > > Kind regards, > > T G-R Ahhh; I see. Thanks a ton for the explanation, Tobias. I'll get this switched over to git-fetch, Maxime, while I look over your other feedback.