$ git clone -n https://git.cclinux.org/stage/rpms/ghc-cereal.git /home/mockroot/dist-circle8-ppc64le-build-52318-12800/root/chroot_tmpdir/scmroot/ghc-cereal
Cloning into '/home/mockroot/dist-circle8-ppc64le-build-52318-12800/root/chroot_tmpdir/scmroot/ghc-cereal'...
$ git reset --hard 3e943a34d20b3ffc56107d09a3ae1f0a4c7f1dfc
HEAD is now at 3e943a3 import ghc-cereal-0.5.4.0-5.el8