$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cockroachdb-errors.git /var/lib/mock/f38-build-side-42-init-devel-772070-27760/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-errors
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-772070-27760/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-errors'...
$ git fetch origin dc64486ab61e3b6aa11369ea4844a21e78e54dae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cockroachdb-errors
 * [new ref]         dc64486ab61e3b6aa11369ea4844a21e78e54dae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc64486 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild