$ git clone -n https://src.fedoraproject.org/rpms/python-docker-pycreds.git /var/lib/mock/f45-build-30431-644/root/chroot_tmpdir/scmroot/python-docker-pycreds
Cloning into '/var/lib/mock/f45-build-30431-644/root/chroot_tmpdir/scmroot/python-docker-pycreds'...
$ git fetch origin 76dbaf9c798136cec7878dc8f35e2a50961a3a75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-docker-pycreds
 * [new ref]         76dbaf9c798136cec7878dc8f35e2a50961a3a75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76dbaf9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild