$ git clone -n https://src.fedoraproject.org/rpms/python-rustcfg.git /var/lib/mock/f45-build-32857-664/root/chroot_tmpdir/scmroot/python-rustcfg
Cloning into '/var/lib/mock/f45-build-32857-664/root/chroot_tmpdir/scmroot/python-rustcfg'...
$ git fetch origin 82ece8d480711c1d1cc6b85b31ec19a2c4211aaf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rustcfg
 * [new ref]         82ece8d480711c1d1cc6b85b31ec19a2c4211aaf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82ece8d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild