$ git clone -n https://gitee.com/src-opencloudos-rpms/file.git /var/lib/mock/dist-oc8-build-215161-80830/root/chroot_tmpdir/scmroot/file
Cloning into '/var/lib/mock/dist-oc8-build-215161-80830/root/chroot_tmpdir/scmroot/file'...
$ git fetch origin 26ac4d7568502ad10aa5ba1447207e1853150f75:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/file
 * [new ref]         26ac4d7568502ad10aa5ba1447207e1853150f75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26ac4d7 import file-5.33-27.tl3