$ git clone -n https://gitee.com/yummypeng/xdelta.git /var/lib/mock/dist-an23-build-231850-62553/root/chroot_tmpdir/scmroot/xdelta
Cloning into '/var/lib/mock/dist-an23-build-231850-62553/root/chroot_tmpdir/scmroot/xdelta'...
$ git reset --hard 2f37aa2acdc4c7c67f1a0868abdaf2b4f1bb981f
HEAD is now at 2f37aa2 Init from upstream