$ git clone -n https://gitee.com/src-opencloudos-rpms/GraphicsMagick /var/lib/mock/dist-oc9-epol-build-52922-14768/root/chroot_tmpdir/scmroot/GraphicsMagick
Cloning into '/var/lib/mock/dist-oc9-epol-build-52922-14768/root/chroot_tmpdir/scmroot/GraphicsMagick'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/GraphicsMagick
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7561041 import GraphicsMagick-1.3.40-2.tl4