$ git clone -n https://gitee.com/src-opencloudos-rpms/httpd.git /var/lib/mock/dist-oc9-build-100914-65219/root/chroot_tmpdir/scmroot/httpd
Cloning into '/var/lib/mock/dist-oc9-build-100914-65219/root/chroot_tmpdir/scmroot/httpd'...
$ git fetch origin b75b88607536ddbb0efd7d42131726543bef2cba:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/httpd
 * [new ref]         b75b88607536ddbb0efd7d42131726543bef2cba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b75b886 import httpd-2.4.57-10.tl4