$ git clone -n https://gitee.com/ocs-bot/linux-atm.git /var/lib/mock/dist-ocs23-build-115281-7863/root/chroot_tmpdir/scmroot/linux-atm
Cloning into '/var/lib/mock/dist-ocs23-build-115281-7863/root/chroot_tmpdir/scmroot/linux-atm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/linux-atm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ade5ca1 Upgrade to version 2.5.2