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

Provides :
gmock-devel
gmock-devel(x86-64)
pkgconfig(gmock)
pkgconfig(gmock_main)

Requires :

/usr/bin/pkg-config
gmock = 1.8.1-4.el8
libgmock.so.1.8.1()(64bit)
libgmock_main.so.1.8.1()(64bit)
pkgconfig(gmock) = 1.8.1
pkgconfig(gtest) = 1.8.1
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/include/gmock
/usr/include/gmock/gmock-actions.h
/usr/include/gmock/gmock-cardinalities.h
/usr/include/gmock/gmock-generated-actions.h
/usr/include/gmock/gmock-generated-actions.h.pump
/usr/include/gmock/gmock-generated-function-mockers.h
/usr/include/gmock/gmock-generated-function-mockers.h.pump
/usr/include/gmock/gmock-generated-matchers.h
/usr/include/gmock/gmock-generated-matchers.h.pump
/usr/include/gmock/gmock-generated-nice-strict.h
/usr/include/gmock/gmock-generated-nice-strict.h.pump
/usr/include/gmock/gmock-matchers.h
/usr/include/gmock/gmock-more-actions.h
/usr/include/gmock/gmock-more-matchers.h
/usr/include/gmock/gmock-spec-builders.h
/usr/include/gmock/gmock.h
/usr/include/gmock/internal
/usr/include/gmock/internal/custom
/usr/include/gmock/internal/custom/README.md
/usr/include/gmock/internal/custom/gmock-generated-actions.h
/usr/include/gmock/internal/custom/gmock-generated-actions.h.pump
/usr/include/gmock/internal/custom/gmock-matchers.h
/usr/include/gmock/internal/custom/gmock-port.h
/usr/include/gmock/internal/gmock-generated-internal-utils.h
/usr/include/gmock/internal/gmock-generated-internal-utils.h.pump
/usr/include/gmock/internal/gmock-internal-utils.h
/usr/include/gmock/internal/gmock-port.h
/usr/lib64/libgmock.so
/usr/lib64/libgmock_main.so
/usr/lib64/pkgconfig/gmock.pc
There is 13 files more in these RPM.