=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching calibre-3.40.1.tar.xz
=> Total size: 38365300 bytes
=> Checksum SHA1 OK for calibre-3.40.1.tar.xz
=> Checksum RMD160 OK for calibre-3.40.1.tar.xz
=> Checksum SHA512 OK for calibre-3.40.1.tar.xz