$ git clone -n https://gitee.com/src-opencloudos-rpms/copy-jdk-configs.git /var/lib/mock/dist-oc9-build-40872-14591/root/chroot_tmpdir/scmroot/copy-jdk-configs
Cloning into '/var/lib/mock/dist-oc9-build-40872-14591/root/chroot_tmpdir/scmroot/copy-jdk-configs'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/copy-jdk-configs
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 182c459 import copy-jdk-configs-4.0-3.tl4