$ git clone -n https://gitee.com/yummypeng/vmaf.git /var/lib/mock/dist-an23-build-234627-62719/root/chroot_tmpdir/scmroot/vmaf Cloning into '/var/lib/mock/dist-an23-build-234627-62719/root/chroot_tmpdir/scmroot/vmaf'... $ git reset --hard cb993edec0251a21790431fd1accf9cea6dbb43b HEAD is now at cb993ed Init from upstream