$ git clone -n https://src.fedoraproject.org/rpms/osgi-annotation.git /var/lib/mock/f40-build-2220888-52672/root/chroot_tmpdir/scmroot/osgi-annotation
Cloning into '/var/lib/mock/f40-build-2220888-52672/root/chroot_tmpdir/scmroot/osgi-annotation'...
$ git fetch origin c6a63da8caa301fe2c299e340adebf57521f60b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osgi-annotation
 * [new ref]         c6a63da8caa301fe2c299e340adebf57521f60b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6a63da Update javapackages test plan to f40