$ git clone -n https://src.fedoraproject.org/rpms/xarchon.git /var/lib/mock/f31-build-60681-28766/root/chroot_tmpdir/scmroot/xarchon
Cloning into '/var/lib/mock/f31-build-60681-28766/root/chroot_tmpdir/scmroot/xarchon'...
$ git reset --hard c66c98d301493143bdcb9b00fcfdcd880be43ff9
HEAD is now at c66c98d Fix FTBFS (rhbz#1676225)