$ git clone -n https://gitee.com/src-opencloudos-rpms/eglexternalplatform.git /var/lib/mock/dist-oc9-build-63288-16463/root/chroot_tmpdir/scmroot/eglexternalplatform
Cloning into '/var/lib/mock/dist-oc9-build-63288-16463/root/chroot_tmpdir/scmroot/eglexternalplatform'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/eglexternalplatform
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2f28c1 import eglexternalplatform-1.1-4.tl4