$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-statsd_exporter.git /var/lib/mock/f38-build-side-42-init-devel-850299-28425/root/chroot_tmpdir/scmroot/golang-github-prometheus-statsd_exporter
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-850299-28425/root/chroot_tmpdir/scmroot/golang-github-prometheus-statsd_exporter'...
$ git fetch origin 466e9807fc0e56435d99767296771e32db1307c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-statsd_exporter
 * [new ref]         466e9807fc0e56435d99767296771e32db1307c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 466e980 Added the README