$ git clone -n https://src.fedoraproject.org/rpms/kf6-kwallet.git /var/lib/mock/f45-build-15108-468/root/chroot_tmpdir/scmroot/kf6-kwallet
Cloning into '/var/lib/mock/f45-build-15108-468/root/chroot_tmpdir/scmroot/kf6-kwallet'...
$ git fetch origin 35d0de4526e14f11b42c7f2981219f9b6a1d799e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kwallet
 * [new ref]         35d0de4526e14f11b42c7f2981219f9b6a1d799e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35d0de4 6.31.0