$ git clone -n https://gitee.com/kun-llfl/bcc /var/lib/mock/dist-an23-build-179923-59124/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-an23-build-179923-59124/root/chroot_tmpdir/scmroot/bcc'...
$ git reset --hard e255927d03b63dfece8b683caebcd9003afa07e6
HEAD is now at e255927 spec optimisation