$ git clone -n https://gitee.com/src-opencloudos-rpms/bcc.git /var/lib/mock/dist-oc9-build-168898-79825/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-oc9-build-168898-79825/root/chroot_tmpdir/scmroot/bcc'...
$ git fetch origin 399276170c96cdcc559a540d14d059f884c2fa71:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/bcc
 * [new ref]         399276170c96cdcc559a540d14d059f884c2fa71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3992761 import bcc-0.29.1-7.tl4