$ git clone -n https://src.fedoraproject.org/rpms/python-intervaltree.git /var/lib/mock/f45-build-31110-650/root/chroot_tmpdir/scmroot/python-intervaltree
Cloning into '/var/lib/mock/f45-build-31110-650/root/chroot_tmpdir/scmroot/python-intervaltree'...
$ git fetch origin 974e179f61d25344d8dcce428fa971e50e72dff6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-intervaltree
 * [new ref]         974e179f61d25344d8dcce428fa971e50e72dff6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 974e179 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild