$ git clone -n https://src.fedoraproject.org/rpms/ghc-rfc5051.git /var/lib/mock/f40-build-742318-110720/root/chroot_tmpdir/scmroot/ghc-rfc5051
Cloning into '/var/lib/mock/f40-build-742318-110720/root/chroot_tmpdir/scmroot/ghc-rfc5051'...
$ git reset --hard 727365d062d07109c7e76c9590ae6a1c5d22dbe5
HEAD is now at 727365d bump release