$ git clone -n https://gitee.com/ywyw22/bzip2 /var/lib/mock/dist-an23-build-108108-45702/root/chroot_tmpdir/scmroot/bzip2
Cloning into '/var/lib/mock/dist-an23-build-108108-45702/root/chroot_tmpdir/scmroot/bzip2'...
$ git reset --hard 720af31e1eb6495d92dd41b9b533cbe806ea405b
HEAD is now at 720af31 update bzip2.spec.