$ git clone -n https://src.fedoraproject.org/rpms/golang-github-tonistiigi-immutable-radix.git /var/lib/mock/f38-build-side-42-init-devel-570163-25908/root/chroot_tmpdir/scmroot/golang-github-tonistiigi-immutable-radix
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-570163-25908/root/chroot_tmpdir/scmroot/golang-github-tonistiigi-immutable-radix'...
$ git fetch origin a7045823e55ba431331315c9b41987e95ed5a072:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-tonistiigi-immutable-radix
 * [new ref]         a7045823e55ba431331315c9b41987e95ed5a072 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a704582 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild