$ git clone -n https://src.fedoraproject.org/rpms/guava.git /var/lib/mock/f40-build-2086427-50132/root/chroot_tmpdir/scmroot/guava
Cloning into '/var/lib/mock/f40-build-2086427-50132/root/chroot_tmpdir/scmroot/guava'...
$ git fetch origin 3282400567de9149865318bbf30d475b5972dc3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/guava
 * [new ref]         3282400567de9149865318bbf30d475b5972dc3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3282400 Update javapackages test plan to f40