$ git clone -n https://src.fedoraproject.org/rpms/wult.git /var/lib/mock/f40-build-735137-106208/root/chroot_tmpdir/scmroot/wult
Cloning into '/var/lib/mock/f40-build-735137-106208/root/chroot_tmpdir/scmroot/wult'...
$ git fetch origin 5bff9c01641c75c2cb45c7cfcd76a7b246f05c03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wult
 * [new ref]         5bff9c01641c75c2cb45c7cfcd76a7b246f05c03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5bff9c0 Update to 1.12.13