$ git clone -n https://src.fedoraproject.org/rpms/bonnie++.git /var/lib/mock/f42-build-3402203-45132/root/chroot_tmpdir/scmroot/bonnie++
Cloning into '/var/lib/mock/f42-build-3402203-45132/root/chroot_tmpdir/scmroot/bonnie++'...
$ git fetch origin 5cdd46aef40efb4ccf8e155dd635f660158128ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bonnie++
 * [new ref]         5cdd46aef40efb4ccf8e155dd635f660158128ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cdd46a Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild