Since the system build on 2019-05-30 some people get anHTTP error 200 (curl error: Timeout was reached); error on nixos unstable when a download takes longer than a few minutes. A direct download e.g. curl -vvv -o ghc.tar.gz https://cach...
We are now looking into this at Google, and can reliably reproduce this --- there does appear to be a problem in the interaction between curl and the Google frontend proxy server ("GFE") when the maximum connection age, which is normally 1 hour, is reached. Contributor jbms commented Jul...