$ git clone -n https://gitee.com/src-opencloudos-rpms/perftest.git /var/lib/mock/dist-oc9-build-71033-47505/root/chroot_tmpdir/scmroot/perftest
Cloning into '/var/lib/mock/dist-oc9-build-71033-47505/root/chroot_tmpdir/scmroot/perftest'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perftest
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e288521 import perftest-23.10.0.0.29-1.tl4