$ git clone -n https://src.fedoraproject.org/rpms/perl-Params-Classify.git /var/lib/mock/f45-build-25651-612/root/chroot_tmpdir/scmroot/perl-Params-Classify
Cloning into '/var/lib/mock/f45-build-25651-612/root/chroot_tmpdir/scmroot/perl-Params-Classify'...
$ git fetch origin 86eaef83228fb1d7a50ebdedd35c37f89e0f5cd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Params-Classify
 * [new ref]         86eaef83228fb1d7a50ebdedd35c37f89e0f5cd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86eaef8 Perl 5.44 rebuild