Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
ghc-language-nix
ghc-language-nix(x86-64)
libHSlanguage-nix-2.1.0.1-2JU9yehMP433fbEkBKNCPg-ghc8.0.1.so()(64bit)

Requires :

libc.so.6()(64bit)
libHSbinary-0.8.3.0-ghc8.0.1.so()(64bit)
libHSunix-2.7.2.0-ghc8.0.1.so()(64bit)
libHStf-random-0.5-4z8OJUaXC1FRNfrLPFWAD-ghc8.0.1.so()(64bit)
libHSreflection-2.1.2-J1ZzlxijzaHGRixYxgxlf9-ghc8.0.1.so()(64bit)
libHSfree-4.12.4-KyvXucUlvRwL6NlLlPO3DI-ghc8.0.1.so()(64bit)
libHSQuickCheck-2.8.2-B7cXgOk7OAiKrNRsk2SfuA-ghc8.0.1.so()(64bit)
libHSpretty-1.1.3.3-ghc8.0.1.so()(64bit)
libHSdirectory-1.2.6.2-ghc8.0.1.so()(64bit)
libHSlens-4.14-ID5F1RC6Ymf7kuR7DKhaJc-ghc8.0.1.so()(64bit)
librt.so.1()(64bit)
libHSdistributive-0.5.2-9n4JhQYTpM2HhirQARWa2k-ghc8.0.1.so()(64bit)
libHStime-1.6.0.1-ghc8.0.1.so()(64bit)
libHSprocess-1.4.2.0-ghc8.0.1.so()(64bit)
libHSbase-orphans-0.5.4-5IQvrjd7gNP548VkOOyIq6-ghc8.0.1.so()(64bit)
libHStagged-0.8.5-CtgV6EcN0do8F92i1S6iYx-ghc8.0.1.so()(64bit)
libHShashable-1.2.4.0-BU6c9a6Q6lID9oy9iugxdV-ghc8.0.1.so()(64bit)
libHSexceptions-0.8.3-7py7fmRxowDFpHmiHGKrTb-ghc8.0.1.so()(64bit)
libHSStateVar-1.1.0.4-CJpWsiXJdd89SnV9dZtTwc-ghc8.0.1.so()(64bit)
libHSprelude-extras-0.4.0.3-FAyB4iuuM7cHXdrLMZtdXq-ghc8.0.1.so()(64bit)
libHStransformers-compat-0.5.1.4-81lZyuOJOvsD0zyCv2TKld-ghc8.0.1.so()(64bit)
libHSstm-2.4.4.1-4z2NRWnB0NIIUvSJsHW0kF-ghc8.0.1.so()(64bit)
libHSCabal-1.24.0.0-ghc8.0.1.so()(64bit)
libHSsemigroupoids-5.1-DOBEbMthWnGOE1zGUcNcv-ghc8.0.1.so()(64bit)
libHSprofunctors-5.2-ARVWMjob5rC1bvflrz2fFa-ghc8.0.1.so()(64bit)
libHScontravariant-1.4-FSdTggRoWUtI7bMOYFMBZH-ghc8.0.1.so()(64bit)
libHSbifunctors-5.4.1-1CHNWyPBuRP2XCX9HtUe9Y-ghc8.0.1.so()(64bit)
libHStext-1.2.2.1-JAnD1x1IHr6H3rdrqlXcyH-ghc8.0.1.so()(64bit)
libHSprimitive-0.6.1.0-Ip44DqhfCp21tTUYbecwa-ghc8.0.1.so()(64bit)
libHSbase-4.9.0.0-ghc8.0.1.so()(64bit)
libHSunordered-containers-0.2.7.2-CFLYbZbgpOSD4Bev2sBRsH-ghc8.0.1.so()(64bit)
libdl.so.2()(64bit)
libHSvoid-0.7.1-2J4og5r8vsKAGJBHru5xem-ghc8.0.1.so()(64bit)
libHSfilepath-1.4.1.0-ghc8.0.1.so()(64bit)
libHSmtl-2.2.1-6qsR1PHUy5lL47Hpoa4jCM-ghc8.0.1.so()(64bit)
libHScontainers-0.5.7.1-ghc8.0.1.so()(64bit)
libgmp.so.10()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libHSghc-boot-th-8.0.1-ghc8.0.1.so()(64bit)
libutil.so.1()(64bit)
libHStemplate-haskell-2.11.0.0-ghc8.0.1.so()(64bit)
libHSinteger-gmp-1.0.0.1-ghc8.0.1.so()(64bit)
libHSparallel-3.2.1.0-6VcN0yUHtcs831TgbJiSSi-ghc8.0.1.so()(64bit)
libHScomonad-5-gn7gYiI1Pl15XVNYhnuXZ-ghc8.0.1.so()(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libHStransformers-0.5.2.0-ghc8.0.1.so()(64bit)
libpthread.so.0()(64bit)
libHSdeepseq-1.4.2.0-ghc8.0.1.so()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
libHSvector-0.11.0.0-BEDZb5o2QOhGbIm6ky7rl6-ghc8.0.1.so()(64bit)
libHSghc-prim-0.5.0.0-ghc8.0.1.so()(64bit)
rpmlib(PayloadIsLzma) <= 4.4.6-1
libHSrandom-1.1-54KmMHXjttlERYcr1mvsAe-ghc8.0.1.so()(64bit)
libHSbytestring-0.10.8.1-ghc8.0.1.so()(64bit)
libHSkan-extensions-5.0.1-2dq8p1mybdb1RMSXKuPuLv-ghc8.0.1.so()(64bit)
libHSarray-0.5.1.1-ghc8.0.1.so()(64bit)
libHSsemigroups-0.18.2-2lmUSJvrDkM6JBURGRclWz-ghc8.0.1.so()(64bit)
libHSadjunctions-4.3-CsVXfOIBNex2SmdrQPdRF6-ghc8.0.1.so()(64bit)
libHSbase-compat-0.9.1-tmPpmtbHbvIDjFWbkjGrR-ghc8.0.1.so()(64bit)

Content of RPM :
/usr/lib64/ghc-8.0.1/language-nix-2.1.0.1-2JU9yehMP433fbEkBKNCPg
/usr/lib64/ghc-8.0.1/language-nix-2.1.0.1-2JU9yehMP433fbEkBKNCPg/libHSlanguage-nix-2.1.0.1-2JU9yehMP433fbEkBKNCPg-ghc8.0.1.so
/usr/share/doc/packages/ghc-language-nix
/usr/share/doc/packages/ghc-language-nix/LICENSE