$ git clone -n https://src.fedoraproject.org/rpms/jakarta-oro.git /var/lib/mock/f41-build-side-1-2878708-34445/root/chroot_tmpdir/scmroot/jakarta-oro
Cloning into '/var/lib/mock/f41-build-side-1-2878708-34445/root/chroot_tmpdir/scmroot/jakarta-oro'...
$ git fetch origin 69acad5392b9c224e79fd6039afbd5c5f548c9e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-oro
 * [new ref]         69acad5392b9c224e79fd6039afbd5c5f548c9e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 69acad5 Switch javapackages tests to f41 branch