$ git clone -n https://src.fedoraproject.org/rpms/R-DBItest.git /var/lib/mock/f38-build-side-42-init-devel-883434-28486/root/chroot_tmpdir/scmroot/R-DBItest
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-883434-28486/root/chroot_tmpdir/scmroot/R-DBItest'...
$ git fetch origin eebe0e24c942fced586640520513d55ad94a5fc5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-DBItest
 * [new ref]         eebe0e24c942fced586640520513d55ad94a5fc5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eebe0e2 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild