$ git clone -n https://gitee.com/fundawang/chrony.git /var/lib/mock/dist-an23-build-217429-62017/root/chroot_tmpdir/scmroot/chrony
Cloning into '/var/lib/mock/dist-an23-build-217429-62017/root/chroot_tmpdir/scmroot/chrony'...
$ git reset --hard 7d810ca118532e1497ee69b4af2083b77bd12ab7
HEAD is now at 7d810ca set ntp.aliyun.com as default time server