$ git clone -n https://gitee.com/opencloudos-stream/maven-plugin-build-helper.git /var/lib/mock/dist-ocs23-build-26309-1191/root/chroot_tmpdir/scmroot/maven-plugin-build-helper
Cloning into '/var/lib/mock/dist-ocs23-build-26309-1191/root/chroot_tmpdir/scmroot/maven-plugin-build-helper'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/maven-plugin-build-helper
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb9b0c1 OCS package init