$ git clone -n https://src.fedoraproject.org/rpms/wult.git /var/lib/mock/f39-build-2550585-61915/root/chroot_tmpdir/scmroot/wult
Cloning into '/var/lib/mock/f39-build-2550585-61915/root/chroot_tmpdir/scmroot/wult'...
$ git fetch origin da59ae1353247d0f476a1437d76f002c8607272e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wult
 * [new ref]         da59ae1353247d0f476a1437d76f002c8607272e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da59ae1 update to 1.12.9