$ git clone -n https://src.fedoraproject.org/rpms/golang-go4.git /var/lib/mock/f38-build-side-42-init-devel-1001866-29316/root/chroot_tmpdir/scmroot/golang-go4
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1001866-29316/root/chroot_tmpdir/scmroot/golang-go4'...
$ git fetch origin e280e1bf457502033feda0e995c3fddc48d3bc24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-go4
 * [new ref]         e280e1bf457502033feda0e995c3fddc48d3bc24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e280e1b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild