$ git clone -n https://gitee.com/src-opencloudos-rpms/maven-plugin-build-helper.git /var/lib/mock/dist-oc9-build-50566-14595/root/chroot_tmpdir/scmroot/maven-plugin-build-helper
Cloning into '/var/lib/mock/dist-oc9-build-50566-14595/root/chroot_tmpdir/scmroot/maven-plugin-build-helper'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/maven-plugin-build-helper
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1c352d import maven-plugin-build-helper-3.3.0-4.tl4