$ git clone -n https://src.fedoraproject.org/rpms/google-guice.git /var/lib/mock/f40-build-2240557-53643/root/chroot_tmpdir/scmroot/google-guice
Cloning into '/var/lib/mock/f40-build-2240557-53643/root/chroot_tmpdir/scmroot/google-guice'...
$ git fetch origin 95c33010bf578ddf1e812198147410a1c6b4af6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-guice
 * [new ref]         95c33010bf578ddf1e812198147410a1c6b4af6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95c3301 Update javapackages test plan to f40