$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jcmturner-dnsutils-2.git /var/lib/mock/f38-build-side-42-init-devel-782944-27942/root/chroot_tmpdir/scmroot/golang-github-jcmturner-dnsutils-2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-782944-27942/root/chroot_tmpdir/scmroot/golang-github-jcmturner-dnsutils-2'...
$ git fetch origin a8361dd72a1c93c5a78aa7806713df03068a8b4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jcmturner-dnsutils-2
 * [new ref]         a8361dd72a1c93c5a78aa7806713df03068a8b4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8361dd Added the README