$ git clone -n https://gitee.com/src-opencloudos-rpms/java-11-openjdk /var/lib/mock/dist-oc8-build-57153-15373/root/chroot_tmpdir/scmroot/java-11-openjdk
Cloning into '/var/lib/mock/dist-oc8-build-57153-15373/root/chroot_tmpdir/scmroot/java-11-openjdk'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-11-openjdk
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0468a7 import java-11-openjdk-11.0.21.0.9-2.tl3