$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mock.git /var/lib/mock/f38-build-side-42-init-devel-692688-26870/root/chroot_tmpdir/scmroot/golang-github-mock
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-692688-26870/root/chroot_tmpdir/scmroot/golang-github-mock'...
$ git fetch origin 77440bb9fa69466c8ce4c9c43010759bfb61cb28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mock
 * [new ref]         77440bb9fa69466c8ce4c9c43010759bfb61cb28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77440bb Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild