$ git clone -n https://src.fedoraproject.org/rpms/obs-service-set_version.git /var/lib/mock/f38-build-side-42-init-devel-858796-28427/root/chroot_tmpdir/scmroot/obs-service-set_version
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-858796-28427/root/chroot_tmpdir/scmroot/obs-service-set_version'...
$ git fetch origin 192dd575e120e204b0f7318ce651dea3a2aecce5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/obs-service-set_version
 * [new ref]         192dd575e120e204b0f7318ce651dea3a2aecce5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 192dd57 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild