$ git clone -n https://gitee.com/ocs-upgrade/xz.git /home/lib/mock/dist-ocs23-build-245025-23306/root/chroot_tmpdir/scmroot/xz
Cloning into '/home/lib/mock/dist-ocs23-build-245025-23306/root/chroot_tmpdir/scmroot/xz'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/xz
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e050fe Upgrade to version 5.4.7