$ git clone -n https://src.fedoraproject.org/rpms/kuserfeedback.git /var/lib/mock/f40-build-1951090-25188/root/chroot_tmpdir/scmroot/kuserfeedback
Cloning into '/var/lib/mock/f40-build-1951090-25188/root/chroot_tmpdir/scmroot/kuserfeedback'...
$ git fetch origin 2791d7180aa33e05a4ea9d5326b854e161ff5282:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kuserfeedback
 * [new ref]         2791d7180aa33e05a4ea9d5326b854e161ff5282 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2791d71 Revert "update to 6.0.0"