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

Provides :
clang-tools-extra
clang-tools-extra(x86-64)

Requires :

clang-libs(x86-64) = 8.0.0-20181026svn345384.fc28
emacs-filesystem
ld-linux-x86-64.so.2()(64bit)
ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
libLLVM-8svn.so()(64bit)
libLLVM-8svn.so(LLVM_8)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libclangAST.so.8svn()(64bit)
libclangASTMatchers.so.8svn()(64bit)
libclangApplyReplacements.so.8svn()(64bit)
libclangBasic.so.8svn()(64bit)
libclangChangeNamespace.so.8svn()(64bit)
libclangDaemon.so.8svn()(64bit)
libclangDriver.so.8svn()(64bit)
libclangDynamicASTMatchers.so.8svn()(64bit)
libclangFormat.so.8svn()(64bit)
libclangFrontend.so.8svn()(64bit)
libclangIncludeFixer.so.8svn()(64bit)
libclangLex.so.8svn()(64bit)
libclangQuery.so.8svn()(64bit)
libclangReorderFields.so.8svn()(64bit)
libclangRewrite.so.8svn()(64bit)
libclangSema.so.8svn()(64bit)
libclangTidy.so.8svn()(64bit)
libclangTidyAbseilModule.so.8svn()(64bit)
libclangTidyAndroidModule.so.8svn()(64bit)
libclangTidyBoostModule.so.8svn()(64bit)
libclangTidyBugproneModule.so.8svn()(64bit)
libclangTidyCERTModule.so.8svn()(64bit)
libclangTidyCppCoreGuidelinesModule.so.8svn()(64bit)
libclangTidyFuchsiaModule.so.8svn()(64bit)
libclangTidyGoogleModule.so.8svn()(64bit)
libclangTidyHICPPModule.so.8svn()(64bit)
libclangTidyLLVMModule.so.8svn()(64bit)
libclangTidyMPIModule.so.8svn()(64bit)
libclangTidyMiscModule.so.8svn()(64bit)
libclangTidyModernizeModule.so.8svn()(64bit)
libclangTidyObjCModule.so.8svn()(64bit)
libclangTidyPerformanceModule.so.8svn()(64bit)
libclangTidyPortabilityModule.so.8svn()(64bit)
libclangTidyReadabilityModule.so.8svn()(64bit)
libclangTidyZirconModule.so.8svn()(64bit)
libclangTooling.so.8svn()(64bit)
libclangToolingCore.so.8svn()(64bit)
libclangToolingRefactor.so.8svn()(64bit)
libfindAllSymbols.so.8svn()(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libm.so.6()(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.11)(64bit)
libstdc++.so.6(CXXABI_1.3.2)(64bit)
libstdc++.so.6(CXXABI_1.3.3)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.11)(64bit)
libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
libstdc++.so.6(GLIBCXX_3.4.15)(64bit)
libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
libstdc++.so.6(GLIBCXX_3.4.22)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PartialHardlinkSets) <= 4.0.4-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1
rtld(GNU_HASH)

Content of RPM :
/usr/bin/clang-apply-replacements
/usr/bin/clang-change-namespace
/usr/bin/clang-include-fixer
/usr/bin/clang-query
/usr/bin/clang-refactor
/usr/bin/clang-rename
/usr/bin/clang-reorder-fields
/usr/bin/clang-tidy
/usr/bin/clangd
/usr/bin/find-all-symbols
/usr/bin/modularize
/usr/lib/.build-id
/usr/lib/.build-id/04/f88329beb0b4adf6f95168bf832c1cee6d21ef
/usr/lib/.build-id/16
/usr/lib/.build-id/16/2bff232f45ba8bcbd3fc7de75afcb438401890
/usr/lib/.build-id/51/67bf5f2deefe145e93ea14795691ce6f17c5dd
/usr/lib/.build-id/5d
/usr/lib/.build-id/5d/9f8d339726866cb6c7106b0261750641f9bcce
/usr/lib/.build-id/75
/usr/lib/.build-id/75/d4910390bfda01905b635c70fc7fab7144fbbe
/usr/lib/.build-id/86
/usr/lib/.build-id/86/6757d97db14dccd34a8cd1f9232b5877ae79a1
/usr/lib/.build-id/8a/8d87ca0b3d3137710d9420c4c95ac9e1e9ad02
/usr/lib/.build-id/a6
/usr/lib/.build-id/a6/167c9176b50af5f69a540d272474165a6b30b6
/usr/lib/.build-id/bb
/usr/lib/.build-id/bb/822f54e8ec483120a64d3cbadc7547fd49b9ac
/usr/lib/.build-id/ef
/usr/lib/.build-id/ef/86a6b04a6717b2a039a3f18332d7a95cbf6d18
/usr/lib/.build-id/f5
There is 18 files more in these RPM.