$ git clone -n https://git.cclinux.org/stage/rpms/groff.git /var/lib/mock/dist-circle8-build-17870-3439/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-circle8-build-17870-3439/root/chroot_tmpdir/scmroot/groff'...
$ git reset --hard b7c3e1c5dd2e26c62218197b81409282d4aea45a
HEAD is now at b7c3e1c import groff-1.22.3-18.el8