Danny Milosavljevic skribis: > By now, guix reconfigure has tried to download the same texlive binary from hydra at least 5 times to the same machine, unsuccessfully breaking after about 1 GB each, for a total of 5 GB, always starting from the beginning. > > Would it be possible to just resume? There does not seem to be an easy way to achieve this. > Additionally, it doesn't seem like it checks the Content-Length in order to find out whether the connection broke before the file was done. Why doesn't it? For archives (the /nar/foo URLs), there is currently no ‘Content-Length’ header at all (this is because Hydra, the software, generates those files on the fly; we should tweak nginx to add a ‘Content-Length’ header, but this seems to require an external nginx plugin.) However, the {mirror.,}hydra.gnu.org use chunked encoding, indeed, which allows the HTTP client to detect truncated transfers. Ludo’.