$ git clone -n https://gitee.com/opencloudos-stream/dtc.git /var/lib/mock/dist-ocs23-build-122262-8678/root/chroot_tmpdir/scmroot/dtc
Cloning into '/var/lib/mock/dist-ocs23-build-122262-8678/root/chroot_tmpdir/scmroot/dtc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/dtc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c42ee6 !1 【自动升级】dtc 1.7.0 Merge pull request !1 from ocs-bot/master