$ git clone -n https://src.fedoraproject.org/rpms/golang-github-docker.git /var/lib/mock/f38-build-side-42-init-devel-643107-26394/root/chroot_tmpdir/scmroot/golang-github-docker
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-643107-26394/root/chroot_tmpdir/scmroot/golang-github-docker'...
$ git fetch origin 6a336d4d139ef5e95b6b91dd6b5e8e24f8028af5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-docker
 * [new ref]         6a336d4d139ef5e95b6b91dd6b5e8e24f8028af5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a336d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild