$ git clone -n https://gitee.com/ocs-upgrade/eth-tools.git /var/lib/mock/dist-ocs23-build-219029-16719/root/chroot_tmpdir/scmroot/eth-tools
Cloning into '/var/lib/mock/dist-ocs23-build-219029-16719/root/chroot_tmpdir/scmroot/eth-tools'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/eth-tools
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 152d0e3 update tarball and use %autosetup -c