$ git clone -n https://src.fedoraproject.org/rpms/zn_poly.git /var/lib/mock/f31-build-71747-30683/root/chroot_tmpdir/scmroot/zn_poly
Cloning into '/var/lib/mock/f31-build-71747-30683/root/chroot_tmpdir/scmroot/zn_poly'...
$ git reset --hard 34ce2c3aca0a50c578a43728d2b0dd48862ea9e0
HEAD is now at 34ce2c3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild