$ git clone -n https://src.fedoraproject.org/rpms/kuserfeedback.git /var/lib/mock/f39-build-1535159-36245/root/chroot_tmpdir/scmroot/kuserfeedback
Cloning into '/var/lib/mock/f39-build-1535159-36245/root/chroot_tmpdir/scmroot/kuserfeedback'...
$ git fetch origin 83a2082261a8ce0aa9fbaf374cde7b17ce039958:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kuserfeedback
 * [new ref]         83a2082261a8ce0aa9fbaf374cde7b17ce039958 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83a2082 version 1.3.0