$ git clone -n https://src.fedoraproject.org/rpms/python-dbus-client-gen.git /var/lib/mock/f45-build-30240-643/root/chroot_tmpdir/scmroot/python-dbus-client-gen
Cloning into '/var/lib/mock/f45-build-30240-643/root/chroot_tmpdir/scmroot/python-dbus-client-gen'...
$ git fetch origin 998f438e7b00d7ff71c2ea3dd18aef8d85c771e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dbus-client-gen
 * [new ref]         998f438e7b00d7ff71c2ea3dd18aef8d85c771e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 998f438 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild