$ git clone -n https://src.fedoraproject.org/rpms/libnetfilter_acct.git /var/lib/mock/f45-build-16619-489/root/chroot_tmpdir/scmroot/libnetfilter_acct
Cloning into '/var/lib/mock/f45-build-16619-489/root/chroot_tmpdir/scmroot/libnetfilter_acct'...
$ git fetch origin 62bf8998549b165eddddd098ed1fb9318209d9b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libnetfilter_acct
 * [new ref]         62bf8998549b165eddddd098ed1fb9318209d9b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62bf899 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild