$ git clone -n https://src.fedoraproject.org/rpms/ghc-generics-sop.git /var/lib/mock/f31-build-100087-33222/root/chroot_tmpdir/scmroot/ghc-generics-sop
Cloning into '/var/lib/mock/f31-build-100087-33222/root/chroot_tmpdir/scmroot/ghc-generics-sop'...
$ git reset --hard e38ae5b0d841807891a79d9c61b65a093f7c1efc
HEAD is now at e38ae5b BR prof for lib and static for executable