$ git clone -n https://gitee.com/src-anolis-os/libXext.git /var/lib/mock/dist-an23-build-131004-46317/root/chroot_tmpdir/scmroot/libXext
Cloning into '/var/lib/mock/dist-an23-build-131004-46317/root/chroot_tmpdir/scmroot/libXext'...
$ git reset --hard origin/a23
HEAD is now at 6319526 add doc package