$ git clone -n https://gitee.com/fundawang/libgit2.git /var/lib/mock/dist-an23-build-296836-65797/root/chroot_tmpdir/scmroot/libgit2
Cloning into '/var/lib/mock/dist-an23-build-296836-65797/root/chroot_tmpdir/scmroot/libgit2'...
$ git reset --hard 4e15af55fa1c2a25735a7c20c1cf9fb159d9e567
HEAD is now at 4e15af5 1.6.4
$ git lfs pull