$ git clone -n https://gitee.com/src-opencloudos-rpms/pcp.git /var/lib/mock/dist-oc9-build-43388-14591/root/chroot_tmpdir/scmroot/pcp
Cloning into '/var/lib/mock/dist-oc9-build-43388-14591/root/chroot_tmpdir/scmroot/pcp'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/pcp
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42d6df0 import pcp-5.3.6-3.tl4