$ git clone -n https://src.fedoraproject.org/rpms/6tunnel.git /var/lib/mock/f40-build-2334142-59275/root/chroot_tmpdir/scmroot/6tunnel
Cloning into '/var/lib/mock/f40-build-2334142-59275/root/chroot_tmpdir/scmroot/6tunnel'...
$ git fetch origin cccb0756f33a277477bcff06f93d5b639081875d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/6tunnel
 * [new ref]         cccb0756f33a277477bcff06f93d5b639081875d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cccb075 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild