$ git clone -n https://gitee.com/opencloudos-stream/chrony /var/lib/mock/dist-ocs23-riscv-base-build-323464-34586/root/chroot_tmpdir/scmroot/chrony
Cloning into '/var/lib/mock/dist-ocs23-riscv-base-build-323464-34586/root/chroot_tmpdir/scmroot/chrony'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/chrony
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e465c5 !2 update Source0 Merge pull request !2 from denisecheng/master