Chris,

Christopher Baines 写道：
> ~$ guix pull
> building 
> /gnu/store/1r2cj292vvjvhbb92bri568p7dia7cp1-isrgrootx1.pem.drv...
> building 
> /gnu/store/dhlb62lpf1ggcrax62hm7l7rlcf5c4fi-letsencryptauthorityx3.pem.drv...
> downloading from https://letsencrypt.org/certs/isrgrootx1.pem...
> -sha256 hash mismatch for 
> /gnu/store/ahiiz5x04rqr214sw840ifz0d3jzmnsb-isrgrootx1.pem:
>   expected hash: 
>   0zycy85ff9ga53z1q03df89ka9iihb9p8bjhw056rq2y4rn3b6ac
>   actual hash: 
>   1la36n2f31j9s03v847ig6ny9lr875q3g7smnq33dcsmf2i5gd92

Thanks!  I ran into this issue myself and updated the hashes in 
505b2631a9c35bbaa5ba6771ad4f646086f23cad.

One'd assume this to be caused by a tweaked expiry date somewhere, 
but the ‘contents’ of both old and new PEM files is actually the 
same: