$ git clone -n https://src.fedoraproject.org/rpms/groff.git /var/lib/mock/f40-build-752726-116841/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/f40-build-752726-116841/root/chroot_tmpdir/scmroot/groff'...
$ git reset --hard f00c2efbd0c371439bf134801f2df5999dda6bce
HEAD is now at f00c2ef Revert upstream change of mapping special characters fro UTF-8 devices