$ git clone -n https://src.fedoraproject.org/rpms/ghc-persistent-template.git /var/lib/mock/f33-build-187790-46005/root/chroot_tmpdir/scmroot/ghc-persistent-template
Cloning into '/var/lib/mock/f33-build-187790-46005/root/chroot_tmpdir/scmroot/ghc-persistent-template'...
$ git reset --hard a1274d0ae9a7ee7dfc7555135c16f9649072a617
HEAD is now at a1274d0 update to 2.6.0