$ git clone -n https://src.fedoraproject.org/rpms/onionscan.git /var/lib/mock/f38-build-side-42-init-devel-853975-28426/root/chroot_tmpdir/scmroot/onionscan
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-853975-28426/root/chroot_tmpdir/scmroot/onionscan'...
$ git fetch origin ac38f59b268d34dfac45ab074fc7c049a644cbe0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/onionscan
 * [new ref]         ac38f59b268d34dfac45ab074fc7c049a644cbe0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac38f59 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild