$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cockroachdb-cockroach-go.git /var/lib/mock/f38-build-side-42-init-devel-847942-28422/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-cockroach-go
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-847942-28422/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-cockroach-go'...
$ git fetch origin 8bc594ea4534697f1c3cf0805a0861175373bd10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cockroachdb-cockroach-go
 * [new ref]         8bc594ea4534697f1c3cf0805a0861175373bd10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bc594e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild