$ git clone -n https://src.fedoraproject.org/rpms/python-pdm-backend.git /var/lib/mock/f45-build-31987-656/root/chroot_tmpdir/scmroot/python-pdm-backend
Cloning into '/var/lib/mock/f45-build-31987-656/root/chroot_tmpdir/scmroot/python-pdm-backend'...
$ git fetch origin ed3891a4d16f0f37c62d46b475fbfdfa6396fe38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pdm-backend
 * [new ref]         ed3891a4d16f0f37c62d46b475fbfdfa6396fe38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed3891a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild