$ git clone -n https://src.fedoraproject.org/rpms/python-string_utils.git /var/lib/mock/f45-build-33225-667/root/chroot_tmpdir/scmroot/python-string_utils
Cloning into '/var/lib/mock/f45-build-33225-667/root/chroot_tmpdir/scmroot/python-string_utils'...
$ git fetch origin 0b3a427f8a62ae8a15e939abe87466e88761a3b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-string_utils
 * [new ref]         0b3a427f8a62ae8a15e939abe87466e88761a3b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b3a427 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild