$ git clone -n https://github.com/xcp-ng-rpms/nut.git /var/lib/mock/v8.3-incoming-11310-29644/root/chroot_tmpdir/scmroot/nut
Cloning into '/var/lib/mock/v8.3-incoming-11310-29644/root/chroot_tmpdir/scmroot/nut'...
$ git fetch origin 90020854e7f7af021b65dbae81a11fab22307c46:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/nut
 * [new ref]         90020854e7f7af021b65dbae81a11fab22307c46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9002085 Rebuild with updated net-snmp (updated with OpenSSL 3)