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

Provides :
ghc-darcs
ghc-darcs(x86-64)
libHSdarcs-2.12.5-6mPUUnksAjjKnkAwfRJpXJ-ghc8.0.2.so()(64bit)

Requires :

libHSHTTP-4000.3.9-9T5rviIEXwDFV8KjKmRxxH-ghc8.0.2.so()(64bit)
libHSarray-0.5.1.1-ghc8.0.2.so()(64bit)
libHSasync-2.1.1.1-8yywY4inVGRLJSCg60gBXj-ghc8.0.2.so()(64bit)
libHSattoparsec-0.13.1.0-4HUSxQCW1VcLtJMhDSV94p-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)
libHSbase16-bytestring-0.1.1.6-4E2p94lTx8gIceMhu8Kl9o-ghc8.0.2.so()(64bit)
libHSbasement-0.0.4-5G9Gc8Ht9hD9gydJD2I2TQ-ghc8.0.2.so()(64bit)
libHSbinary-0.8.3.0-ghc8.0.2.so()(64bit)
libHSbyteable-0.1.1-2lU1pexQSLj1KbNO17UifQ-ghc8.0.2.so()(64bit)
libHSbytestring-0.10.8.1-ghc8.0.2.so()(64bit)
libHScolour-2.3.4-Ea5u6v6eyBiFPYOJLx0tkh-ghc8.0.2.so()(64bit)
libHSconduit-1.2.12.1-CTYKTJmwFo81r4LrAKDD8i-ghc8.0.2.so()(64bit)
libHScontainers-0.5.7.1-ghc8.0.2.so()(64bit)
libHScryptohash-0.11.9-A6PbNj5ntVKJBQsoRjwExQ-ghc8.0.2.so()(64bit)
libHScryptonite-0.23-1tl6KRdH90fAs1vFXj1M1I-ghc8.0.2.so()(64bit)
libHSdata-ordlist-0.4.7.0-D6ij7F9rr5a9kcQtGict4V-ghc8.0.2.so()(64bit)
libHSdeepseq-1.4.2.0-ghc8.0.2.so()(64bit)
libHSdigest-0.0.1.2-KWFUxJ28iDeFa48SRovKn6-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)
libHSexceptions-0.8.3-ADEDRATtUrMK1JW4zMQ9U-ghc8.0.2.so()(64bit)
libHSfgl-5.5.3.1-BBO2AKBsFGnFCFJiVxJiz-ghc8.0.2.so()(64bit)
libHSfilepath-1.4.1.1-ghc8.0.2.so()(64bit)
libHSfoundation-0.0.17-CL5hY2f92B7EywaUc6v2Lf-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)
libHSgraphviz-2999.18.1.2-LgRS2lbjjUK1ZrCJInyBOl-ghc8.0.2.so()(64bit)
libHShashable-1.2.6.1-ArdkmQrtdsLPQA60ZQw2E-ghc8.0.2.so()(64bit)
libHShaskeline-0.7.3.0-ghc8.0.2.so()(64bit)
libHShtml-1.0.1.2-8wVtehjIxUEBYXzRus7033-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)
libHSlifted-base-0.2.3.11-Ei0JSPdt7KOCD2HIA5jFqV-ghc8.0.2.so()(64bit)
libHSmemory-0.14.11-8AGdHgntVnC94lQ3k423XF-ghc8.0.2.so()(64bit)
libHSmmap-0.5.9-D0mf78ViUxZKmclALOQBOI-ghc8.0.2.so()(64bit)
libHSmmorph-1.0.9-5bASEvmIkr5CpdAYXwPsn0-ghc8.0.2.so()(64bit)
libHSmonad-control-1.0.2.2-1Ci8dYJ8Tb7E3HTcTqOb8l-ghc8.0.2.so()(64bit)
libHSmtl-2.2.1-BLKBelFsPB3BoFeSWSOYj6-ghc8.0.2.so()(64bit)
libHSnetwork-2.6.3.2-IsLM4TXcLoRI0fmmBYVyQz-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)
libHSregex-applicative-0.3.3-9dbODILokN54la9GS4TJob-ghc8.0.2.so()(64bit)
libHSregex-base-0.93.2-AYjYAsBidAc8f5XNm9b2Aa-ghc8.0.2.so()(64bit)
libHSregex-compat-tdfa-0.95.1.4-2amHSRq5P0o71shSYtyh5E-ghc8.0.2.so()(64bit)
libHSregex-tdfa-1.2.2-23GMzMAI5atGFIaekspgd4-ghc8.0.2.so()(64bit)
libHSresourcet-1.1.9-L2BUQrxWZMwDiwhcuyPuNi-ghc8.0.2.so()(64bit)
libHSsandi-0.4.1-IWqbLzdwuEP1hp2CRj2axV-ghc8.0.2.so()(64bit)
libHSscientific-0.3.5.2-9AqV1O3E9md3bGNfgHRUQd-ghc8.0.2.so()(64bit)
libHSstm-2.4.4.1-JQn4hNPyYjP5m9AcbI88Ve-ghc8.0.2.so()(64bit)
libHSstringsearch-0.3.6.6-2soGORichTR6reHVhDqKip-ghc8.0.2.so()(64bit)
libHStar-0.5.0.3-46gC5BdVQtyANEEtaqhh2J-ghc8.0.2.so()(64bit)
libHStemplate-haskell-2.11.1.0-ghc8.0.2.so()(64bit)
libHStemporary-1.2.1.1-3IR8tQl7JQAGlaxIVThFvk-ghc8.0.2.so()(64bit)
libHSterminfo-0.4.0.2-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)
libHStransformers-0.5.2.0-ghc8.0.2.so()(64bit)
libHStransformers-base-0.4.4-GKSs0LKukAL8ymq2naFmrH-ghc8.0.2.so()(64bit)
libHStransformers-compat-0.5.1.4-IuFogs8HAVUJBWVNMhtssu-ghc8.0.2.so()(64bit)
libHSunix-2.7.2.1-ghc8.0.2.so()(64bit)
libHSunix-compat-0.4.3.1-Ausmw6d7KIwA7sl52mzqxC-ghc8.0.2.so()(64bit)
libHSutf8-string-1.0.1.1-1DpjxLeTvGg7ttZZojxJR5-ghc8.0.2.so()(64bit)
libHSvector-0.12.0.1-692PQMDMB6pIQ1uGwefDcQ-ghc8.0.2.so()(64bit)
libHSwl-pprint-text-1.1.1.0-EriNBI0PSUtGSKXaTt8jA9-ghc8.0.2.so()(64bit)
libHSzip-archive-0.3.1.1-Hp9Apr22hRmHGHjfg7jJ6n-ghc8.0.2.so()(64bit)
libHSzlib-0.6.1.2-7negTfm2ujt1gW4wr40MUp-ghc8.0.2.so()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libcurl.so.4()(64bit)
libdl.so.2()(64bit)
libgmp.so.10()(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
librt.so.1()(64bit)
libtinfo.so.6()(64bit)
libtinfo.so.6(NCURSES6_TINFO_5.0.19991023)(64bit)
libutil.so.1()(64bit)
libz.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/darcs-2.12.5-6mPUUnksAjjKnkAwfRJpXJ
/usr/lib64/ghc-8.0.2/darcs-2.12.5-6mPUUnksAjjKnkAwfRJpXJ/libHSdarcs-2.12.5-6mPUUnksAjjKnkAwfRJpXJ-ghc8.0.2.so
/usr/share/doc/packages/ghc-darcs
/usr/share/doc/packages/ghc-darcs/COPYING