$ git clone -n https://gitee.com/kun-llfl/bcc.git /var/lib/mock/dist-an23-build-214085-61972/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-an23-build-214085-61972/root/chroot_tmpdir/scmroot/bcc'...
$ git reset --hard 5272b3f997ec6243e9c152bbe47fe91fcc2c4a70
HEAD is now at 5272b3f spec optimisation