$ git clone -n https://git.cclinux.org/stage/rpms/ghc-mtl.git /home/mockroot/dist-circle8-ppc64le-build-52447-12800/root/chroot_tmpdir/scmroot/ghc-mtl
Cloning into '/home/mockroot/dist-circle8-ppc64le-build-52447-12800/root/chroot_tmpdir/scmroot/ghc-mtl'...
$ git reset --hard 6719202b80244d80e1b07bd6b3633596dad833c4
HEAD is now at 6719202 import ghc-mtl-2.2.1-7.el8