$ git clone -n https://src.fedoraproject.org/rpms/jakarta-oro.git /var/lib/mock/f40-build-2199443-51742/root/chroot_tmpdir/scmroot/jakarta-oro
Cloning into '/var/lib/mock/f40-build-2199443-51742/root/chroot_tmpdir/scmroot/jakarta-oro'...
$ git fetch origin a85b192be354d27c989e584e85dd32813577ec8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-oro
 * [new ref]         a85b192be354d27c989e584e85dd32813577ec8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a85b192 Update javapackages test plan to f40