$ git clone -n https://src.fedoraproject.org/rpms/aqute-bnd.git /var/lib/mock/f40-build-2065402-49253/root/chroot_tmpdir/scmroot/aqute-bnd
Cloning into '/var/lib/mock/f40-build-2065402-49253/root/chroot_tmpdir/scmroot/aqute-bnd'...
$ git fetch origin f459e3e2efd606ad6de729625568e703fa462e75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aqute-bnd
 * [new ref]         f459e3e2efd606ad6de729625568e703fa462e75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f459e3e Update javapackages test plan to f40