$ git clone -n https://src.fedoraproject.org/rpms/golang-github-miekg-dns.git /var/lib/mock/f39-build-1504963-35091/root/chroot_tmpdir/scmroot/golang-github-miekg-dns
Cloning into '/var/lib/mock/f39-build-1504963-35091/root/chroot_tmpdir/scmroot/golang-github-miekg-dns'...
$ git fetch origin 7d430894ab4b046bb216bb002fa177dfc4e43d21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-miekg-dns
 * [new ref]         7d430894ab4b046bb216bb002fa177dfc4e43d21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d43089 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild