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

Provides :
ghc-rest-gen
ghc-rest-gen(x86-64)
libHSrest-gen-0.20.0.0-8DbRAGyqYrWIq951kiEr7e-ghc8.0.2.so()(64bit)

Requires :

libHSCabal-1.24.2.0-ghc8.0.2.so()(64bit)
libHSHStringTemplate-0.8.6-9olgn1ygK8fAPp4yfXxKky-ghc8.0.2.so()(64bit)
libHSaeson-1.1.2.0-AGwNF4lDcvEL5HW2f7ztIV-ghc8.0.2.so()(64bit)
libHSaeson-utils-0.3.0.2-6nEq7vV9flX9VmPeANEJH-ghc8.0.2.so()(64bit)
libHSarray-0.5.1.1-ghc8.0.2.so()(64bit)
libHSattoparsec-0.13.1.0-FfnvSlEhYl6E00jFTwLP4F-ghc8.0.2.so()(64bit)
libHSbase-4.9.1.0-ghc8.0.2.so()(64bit)
libHSbase-compat-0.9.3-KeJp8zYMpcS9WibvTcxU22-ghc8.0.2.so()(64bit)
libHSbinary-0.8.3.0-ghc8.0.2.so()(64bit)
libHSblaze-builder-0.4.0.2-FRwZEt0uqtxKWrLYdFtkGs-ghc8.0.2.so()(64bit)
libHSblaze-html-0.9.0.1-8gHPDDowCZd3rzAvjV6sXD-ghc8.0.2.so()(64bit)
libHSblaze-markup-0.8.0.0-6VnuwJX8UfEE1GiuRDYj3H-ghc8.0.2.so()(64bit)
libHSbytestring-0.10.8.1-ghc8.0.2.so()(64bit)
libHScase-insensitive-1.2.0.10-HOfpaHnAjpYL0MaSMRouLr-ghc8.0.2.so()(64bit)
libHScode-builder-0.1.3-8zmghCbZDsICqvsGBDBWyl-ghc8.0.2.so()(64bit)
libHScontainers-0.5.7.1-ghc8.0.2.so()(64bit)
libHScpphs-1.20.8-5I4C8CwV6D39ak6XV9lTZ5-ghc8.0.2.so()(64bit)
libHScryptohash-md5-0.11.100.1-L0CJbuRTZmBI8mOB7huEe7-ghc8.0.2.so()(64bit)
libHScryptohash-sha1-0.11.100.1-AJqtLjVn8sfKvw8ebixA3z-ghc8.0.2.so()(64bit)
libHSdeepseq-1.4.2.0-ghc8.0.2.so()(64bit)
libHSdirectory-1.3.0.0-ghc8.0.2.so()(64bit)
libHSdlist-0.8.0.3-BHFBNaw8k6n9WiaUNzoXpk-ghc8.0.2.so()(64bit)
libHSentropy-0.3.8-14HIw40nRRY968j6AdY1H4-ghc8.0.2.so()(64bit)
libHSerrors-2.2.1-3IDKyBh9Ujq4s8CmpfJBxd-ghc8.0.2.so()(64bit)
libHSexceptions-0.8.3-ADEDRATtUrMK1JW4zMQ9U-ghc8.0.2.so()(64bit)
libHSfclabels-2.0.3.2-4EezQlp7n1w9uoh5Y3yxAt-ghc8.0.2.so()(64bit)
libHSfilepath-1.4.1.1-ghc8.0.2.so()(64bit)
libHSgeneric-aeson-0.2.0.9-CHXwA0Iu3bGKl2VgFYBIM-ghc8.0.2.so()(64bit)
libHSgeneric-deriving-1.11.2-FTRmVS5RM6G7R2MgyiZHgW-ghc8.0.2.so()(64bit)
libHSgeneric-xmlpickler-0.1.0.5-B1QE7LP3rhsBdcWdKKdEfc-ghc8.0.2.so()(64bit)
libHSghc-boot-th-8.0.2-ghc8.0.2.so()(64bit)
libHSghc-prim-0.5.0.0-ghc8.0.2.so()(64bit)
libHShashable-1.2.6.1-ArdkmQrtdsLPQA60ZQw2E-ghc8.0.2.so()(64bit)
libHShaskell-src-exts-1.18.2-56KvoVWOgSSCqebQcGpYrk-ghc8.0.2.so()(64bit)
libHShxt-9.3.1.16-LuaHTpwC7VwHkORJtyzFI8-ghc8.0.2.so()(64bit)
libHShxt-charproperties-9.2.0.1-48OogeCJMUc1lcYcm9OQtr-ghc8.0.2.so()(64bit)
libHShxt-pickle-utils-0.1.0.3-AYxA6X5rQptBpjKijBQPfW-ghc8.0.2.so()(64bit)
libHShxt-regex-xmlschema-9.2.0.3-KEq39zXqgUs5vC1oicJcyU-ghc8.0.2.so()(64bit)
libHShxt-unicode-9.0.2.4-91NbsYmAW3YHFFSyOss7u4-ghc8.0.2.so()(64bit)
libHSinteger-gmp-1.0.0.1-ghc8.0.2.so()(64bit)
libHSinteger-logarithms-1.0.2-92lMiWV9mmYAwfMEYgfQ0D-ghc8.0.2.so()(64bit)
libHSjson-schema-0.7.4.1-2wlUxJRLwf20pVeUBhUVB-ghc8.0.2.so()(64bit)
libHSmtl-2.2.1-BLKBelFsPB3BoFeSWSOYj6-ghc8.0.2.so()(64bit)
libHSmultipart-0.1.2-GaruhEePiWz1i5in0or61A-ghc8.0.2.so()(64bit)
libHSnetwork-info-0.2.0.8-3CNHbSDxkB04OXdr5Q0x5c-ghc8.0.2.so()(64bit)
libHSnetwork-uri-2.6.1.0-Fj1qKIThD9W270EtbkvRHL-ghc8.0.2.so()(64bit)
libHSold-locale-1.0.0.7-KGBP1BSKxH5GCm0LnZP04j-ghc8.0.2.so()(64bit)
libHSold-time-1.1.0.3-KWRsMSdY26c2L27Y9n9cyq-ghc8.0.2.so()(64bit)
libHSparsec-3.1.11-4MSigapSiUw1ERNBXZn0E5-ghc8.0.2.so()(64bit)
libHSpolyparse-1.12-FbCO0B4in2454gbE1KfxTU-ghc8.0.2.so()(64bit)
libHSpretty-1.1.3.3-ghc8.0.2.so()(64bit)
libHSprimitive-0.6.2.0-4578caNkWQ54Gt1mxLF2Yh-ghc8.0.2.so()(64bit)
libHSprocess-1.4.3.0-ghc8.0.2.so()(64bit)
libHSrandom-1.1-9tceXaeYIMZ4JrKq20Egog-ghc8.0.2.so()(64bit)
libHSrest-core-0.39-HIwiXa1bzPZ6JLh9bzIxoZ-ghc8.0.2.so()(64bit)
libHSrest-stringmap-0.2.0.6-A9KOgJiGsEhGCXZTvS7oww-ghc8.0.2.so()(64bit)
libHSrest-types-1.14.1.1-5u0ubEZw8VJEX8uQ8g9hss-ghc8.0.2.so()(64bit)
libHSsafe-0.3.15-2Yd45VWFfdcKqKyispOifY-ghc8.0.2.so()(64bit)
libHSscientific-0.3.5.1-29PQkFlSg2MLG0o5mYHr65-ghc8.0.2.so()(64bit)
libHSsemigroups-0.18.3-5xL9BgkWQsCGwo6YahyMCM-ghc8.0.2.so()(64bit)
libHSsplit-0.2.3.2-CJl40zTyCIV16Pr60nb7CT-ghc8.0.2.so()(64bit)
libHSstm-2.4.4.1-JQn4hNPyYjP5m9AcbI88Ve-ghc8.0.2.so()(64bit)
libHSsyb-0.7-4OKdCpwGutyB1rNRmoa0ya-ghc8.0.2.so()(64bit)
libHStagged-0.8.5-1mTloBSoUxv8dqUr8XBGBt-ghc8.0.2.so()(64bit)
libHStemplate-haskell-2.11.1.0-ghc8.0.2.so()(64bit)
libHStext-1.2.2.2-1cn50juu89QSL9QkUVcRY-ghc8.0.2.so()(64bit)
libHStime-1.6.0.1-ghc8.0.2.so()(64bit)
libHStime-locale-compat-0.1.1.3-3NWht2bntyvDGDNXWNkT1S-ghc8.0.2.so()(64bit)
libHStostring-0.2.1.1-6svnUT8P396M1KqBWueZ1-ghc8.0.2.so()(64bit)
libHStransformers-0.5.2.0-ghc8.0.2.so()(64bit)
libHStransformers-compat-0.5.1.4-IuFogs8HAVUJBWVNMhtssu-ghc8.0.2.so()(64bit)
libHSunexceptionalio-0.3.0-2pCLthhElB6B0sx66UGiue-ghc8.0.2.so()(64bit)
libHSuniplate-1.6.12-HpvQyhZtrpZAKrQVHGNCKa-ghc8.0.2.so()(64bit)
libHSunix-2.7.2.1-ghc8.0.2.so()(64bit)
libHSunordered-containers-0.2.8.0-EsriWmISHwMG6fvrGnOReO-ghc8.0.2.so()(64bit)
libHSuri-encode-1.5.0.5-CxguwzqEu4VEKMvRyUS764-ghc8.0.2.so()(64bit)
libHSutf8-string-1.0.1.1-1DpjxLeTvGg7ttZZojxJR5-ghc8.0.2.so()(64bit)
libHSuuid-1.3.13-1WujPwrD45Y81Mr12QY4PE-ghc8.0.2.so()(64bit)
libHSuuid-types-1.0.3-9FjiI2er8LGH2tkXMoxuaV-ghc8.0.2.so()(64bit)
libHSvector-0.12.0.1-692PQMDMB6pIQ1uGwefDcQ-ghc8.0.2.so()(64bit)
libHSvoid-0.7.2-4PWwLjXxAER9U3zGpDhf6e-ghc8.0.2.so()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libdl.so.2()(64bit)
libgmp.so.10()(64bit)
libpthread.so.0()(64bit)
librt.so.1()(64bit)
libutil.so.1()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1

Content of RPM :
/usr/lib64/ghc-8.0.2/rest-gen-0.20.0.0-8DbRAGyqYrWIq951kiEr7e
/usr/lib64/ghc-8.0.2/rest-gen-0.20.0.0-8DbRAGyqYrWIq951kiEr7e/libHSrest-gen-0.20.0.0-8DbRAGyqYrWIq951kiEr7e-ghc8.0.2.so
/usr/share/doc/packages/ghc-rest-gen
/usr/share/doc/packages/ghc-rest-gen/LICENSE
/usr/share/rest-gen-0.20.0.0
/usr/share/rest-gen-0.20.0.0/Docs
/usr/share/rest-gen-0.20.0.0/Docs/api-docs-all.st
/usr/share/rest-gen-0.20.0.0/Docs/api-docs-resource.st
/usr/share/rest-gen-0.20.0.0/Docs/bootstrap-modal.js
/usr/share/rest-gen-0.20.0.0/Docs/docs.css
/usr/share/rest-gen-0.20.0.0/Docs/docs.js
/usr/share/rest-gen-0.20.0.0/Docs/jquery-nightly.js
/usr/share/rest-gen-0.20.0.0/Docs/prettify.css
/usr/share/rest-gen-0.20.0.0/Docs/prettify.js
/usr/share/rest-gen-0.20.0.0/Javascript
/usr/share/rest-gen-0.20.0.0/Javascript/epilogue.js
/usr/share/rest-gen-0.20.0.0/Javascript/prelude.js
/usr/share/rest-gen-0.20.0.0/Ruby
/usr/share/rest-gen-0.20.0.0/Ruby/base.rb