$ git clone -n https://gitee.com/kun-llfl/bcc /var/lib/mock/dist-an23-build-179905-59124/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-an23-build-179905-59124/root/chroot_tmpdir/scmroot/bcc'...
$ git reset --hard bbc988eccb43a1293e4b778d6210ae6dd3abe2ae
HEAD is now at bbc988e spec optimisation