$ git clone -n https://src.fedoraproject.org/rpms/python-shellingham.git /var/lib/mock/f45-build-32926-665/root/chroot_tmpdir/scmroot/python-shellingham
Cloning into '/var/lib/mock/f45-build-32926-665/root/chroot_tmpdir/scmroot/python-shellingham'...
$ git fetch origin 737d8233192c25c01d4bea01404f0b1ae2c137f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-shellingham
 * [new ref]         737d8233192c25c01d4bea01404f0b1ae2c137f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 737d823 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild