$ git clone -n https://src.fedoraproject.org/rpms/python-collectd_puppet.git /var/lib/mock/f45-build-30047-642/root/chroot_tmpdir/scmroot/python-collectd_puppet
Cloning into '/var/lib/mock/f45-build-30047-642/root/chroot_tmpdir/scmroot/python-collectd_puppet'...
$ git fetch origin 7b99eca7b508341654387ef8148dcf754ae9c9c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-collectd_puppet
 * [new ref]         7b99eca7b508341654387ef8148dcf754ae9c9c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b99eca Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild