$ git clone -n https://src.fedoraproject.org/rpms/ssss.git /var/lib/mock/f38-build-side-42-init-devel-621006-26341/root/chroot_tmpdir/scmroot/ssss
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-621006-26341/root/chroot_tmpdir/scmroot/ssss'...
$ git fetch origin 2b6bcf370e04cdf55e1420a48020b080b20e630d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ssss
 * [new ref]         2b6bcf370e04cdf55e1420a48020b080b20e630d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b6bcf3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild