$ git clone -n https://src.fedoraproject.org/rpms/nrg2iso.git /var/lib/mock/f31-build-63451-29363/root/chroot_tmpdir/scmroot/nrg2iso
Cloning into '/var/lib/mock/f31-build-63451-29363/root/chroot_tmpdir/scmroot/nrg2iso'...
$ git reset --hard 5bddafd334286be65bd4b701ce4d993be59f3805
HEAD is now at 5bddafd - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild