$ git clone -n https://gitee.com/src-opencloudos-rpms/libpfm /var/lib/mock/dist-oc8-build-57995-15846/root/chroot_tmpdir/scmroot/libpfm
Cloning into '/var/lib/mock/dist-oc8-build-57995-15846/root/chroot_tmpdir/scmroot/libpfm'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libpfm
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c68fc6d import libpfm-4.13.0-4.tl3