$ git clone -n https://src.fedoraproject.org/rpms/python-fitdecode.git /var/lib/mock/f45-build-30683-647/root/chroot_tmpdir/scmroot/python-fitdecode
Cloning into '/var/lib/mock/f45-build-30683-647/root/chroot_tmpdir/scmroot/python-fitdecode'...
$ git fetch origin 109d8dc63a61956da373931058b10fa4a01a7898:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fitdecode
 * [new ref]         109d8dc63a61956da373931058b10fa4a01a7898 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 109d8dc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild