$ git clone -n https://gitee.com/kun-llfl/bcc.git /var/lib/mock/dist-an23-build-213582-61955/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-an23-build-213582-61955/root/chroot_tmpdir/scmroot/bcc'...
$ git reset --hard ced749a70f20efc696e3f8fe57ae7e9ef780e2db
HEAD is now at ced749a spec optimisation