Use Accept-Encoding: identity together with decode_content=False
    
    This should fix both the issues:
    
     - gzips decompressed: https://pagure.io/rpmdevtools/issue/72
     - texts compressed: https://pagure.io/rpmdevtools/issue/76
    
        $ file tor-0.4.5.4-rc.tar.gz tor-0.4.5.4-rc.tar.gz.asc xrootd-5.0.3.tar.gz
        tor-0.4.5.4-rc.tar.gz:     gzip compressed data, max compression, from Unix, original size modulo 2^32 35962880
        tor-0.4.5.4-rc.tar.gz.asc: PGP signature Signature (old)
        xrootd-5.0.3.tar.gz:       gzip compressed data, max compression, from Unix, original size modulo 2^32 981462405